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Mobile TP8

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LJ5O
2026-01-25 16:11:02 +01:00
commit 726acd3e09
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*.iml
.gradle
/local.properties
/.idea/caches
/.idea/libraries
/.idea/modules.xml
/.idea/workspace.xml
/.idea/navEditor.xml
/.idea/assetWizardSettings.xml
.DS_Store
/build
/captures
.externalNativeBuild
.cxx
local.properties

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# Default ignored files
/shelf/
/workspace.xml

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<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="AndroidProjectSystem">
<option name="providerId" value="com.android.tools.idea.GradleProjectSystem" />
</component>
</project>

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<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="CompilerConfiguration">
<bytecodeTargetLevel target="21" />
</component>
</project>

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<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="deploymentTargetSelector">
<selectionStates>
<SelectionState runConfigName="app">
<option name="selectionMode" value="DROPDOWN" />
</SelectionState>
<SelectionState runConfigName="MainActivity">
<option name="selectionMode" value="DROPDOWN" />
<DropdownSelection timestamp="2026-01-25T14:57:32.415880276Z">
<Target type="DEFAULT_BOOT">
<handle>
<DeviceId pluginId="PhysicalDevice" identifier="serial=R58N95L3X7V" />
</handle>
</Target>
</DropdownSelection>
<DialogSelection />
</SelectionState>
</selectionStates>
</component>
</project>

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<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="DeviceTable">
<option name="columnSorters">
<list>
<ColumnSorterState>
<option name="column" value="Name" />
<option name="order" value="ASCENDING" />
</ColumnSorterState>
</list>
</option>
</component>
</project>

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<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="GradleMigrationSettings" migrationVersion="1" />
<component name="GradleSettings">
<option name="linkedExternalProjectsSettings">
<GradleProjectSettings>
<option name="testRunner" value="CHOOSE_PER_TEST" />
<option name="externalProjectPath" value="$PROJECT_DIR$" />
<option name="gradleJvm" value="#GRADLE_LOCAL_JAVA_HOME" />
<option name="modules">
<set>
<option value="$PROJECT_DIR$" />
<option value="$PROJECT_DIR$/app" />
</set>
</option>
</GradleProjectSettings>
</option>
</component>
</project>

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<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="MarkdownSettings">
<option name="previewPanelProviderInfo">
<ProviderInfo name="Compose (experimental)" className="com.intellij.markdown.compose.preview.ComposePanelProvider" />
</option>
</component>
</project>

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<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="ProjectMigrations">
<option name="MigrateToGradleLocalJavaHome">
<set>
<option value="$PROJECT_DIR$" />
</set>
</option>
</component>
</project>

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<project version="4">
<component name="ExternalStorageConfigurationManager" enabled="true" />
<component name="ProjectRootManager" version="2" languageLevel="JDK_21" default="true" project-jdk-name="jbr-21" project-jdk-type="JavaSDK">
<output url="file://$PROJECT_DIR$/build/classes" />
</component>
<component name="ProjectType">
<option name="id" value="Android" />
</component>
</project>

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<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="RunConfigurationProducerService">
<option name="ignoredProducers">
<set>
<option value="com.intellij.execution.junit.AbstractAllInDirectoryConfigurationProducer" />
<option value="com.intellij.execution.junit.AllInPackageConfigurationProducer" />
<option value="com.intellij.execution.junit.PatternConfigurationProducer" />
<option value="com.intellij.execution.junit.TestInClassConfigurationProducer" />
<option value="com.intellij.execution.junit.UniqueIdConfigurationProducer" />
<option value="com.intellij.execution.junit.testDiscovery.JUnitTestDiscoveryConfigurationProducer" />
<option value="org.jetbrains.kotlin.idea.junit.KotlinJUnitRunConfigurationProducer" />
<option value="org.jetbrains.kotlin.idea.junit.KotlinPatternConfigurationProducer" />
</set>
</option>
</component>
</project>

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<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="VcsDirectoryMappings">
<mapping directory="$PROJECT_DIR$" vcs="Git" />
</component>
</project>

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README.md Normal file
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# Rendu TP8, Kévin Taccoen
L'application permet d'ouvrir une image pour voir les coordonnées GPS,
de rechercher d'autres images prises à proximité,
ou de chercher des images prises autour de la position actuelle de l'utilisateur.
![image](img.png)
![image](img_1.png)

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/build

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plugins {
alias(libs.plugins.android.application)
}
android {
namespace = "com.example.tp8"
compileSdk {
version = release(36)
}
defaultConfig {
applicationId = "com.example.tp8"
minSdk = 24
targetSdk = 36
versionCode = 1
versionName = "1.0"
testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
}
buildTypes {
release {
isMinifyEnabled = false
proguardFiles(
getDefaultProguardFile("proguard-android-optimize.txt"),
"proguard-rules.pro"
)
}
}
compileOptions {
sourceCompatibility = JavaVersion.VERSION_11
targetCompatibility = JavaVersion.VERSION_11
}
}
dependencies {
implementation(libs.appcompat)
implementation(libs.material)
implementation(libs.activity)
implementation(libs.constraintlayout)
implementation("androidx.exifinterface:exifinterface:1.3.7")
implementation("com.google.android.gms:play-services-location:21.2.0")
implementation(libs.exifinterface)
implementation(libs.play.services.location)
testImplementation(libs.junit)
androidTestImplementation(libs.ext.junit)
androidTestImplementation(libs.espresso.core)
}

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# Add project specific ProGuard rules here.
# You can control the set of applied configuration files using the
# proguardFiles setting in build.gradle.
#
# For more details, see
# http://developer.android.com/guide/developing/tools/proguard.html
# If your project uses WebView with JS, uncomment the following
# and specify the fully qualified class name to the JavaScript interface
# class:
#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
# public *;
#}
# Uncomment this to preserve the line number information for
# debugging stack traces.
#-keepattributes SourceFile,LineNumberTable
# If you keep the line number information, uncomment this to
# hide the original source file name.
#-renamesourcefileattribute SourceFile

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app/src/androidTest/java/com/example/tp8/ExampleInstrumentedTest.java Normal file
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package com.example.tp8;
import android.content.Context;
import androidx.test.platform.app.InstrumentationRegistry;
import androidx.test.ext.junit.runners.AndroidJUnit4;
import org.junit.Test;
import org.junit.runner.RunWith;
import static org.junit.Assert.*;
/**
* Instrumented test, which will execute on an Android device.
*
* @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
*/
@RunWith(AndroidJUnit4.class)
public class ExampleInstrumentedTest {
@Test
public void useAppContext() {
// Context of the app under test.
Context appContext = InstrumentationRegistry.getInstrumentation().getTargetContext();
assertEquals("com.example.tp8", appContext.getPackageName());
}
}

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<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools">
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.READ_MEDIA_IMAGES" />
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" android:maxSdkVersion="32" />
<uses-permission android:name="android.permission.ACCESS_MEDIA_LOCATION" />
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
<application
android:allowBackup="true"
android:dataExtractionRules="@xml/data_extraction_rules"
android:fullBackupContent="@xml/backup_rules"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:roundIcon="@mipmap/ic_launcher_round"
android:supportsRtl="true"
android:theme="@style/Theme.TP8">
<activity
android:name=".NearbyPhotosActivity"
android:exported="false" />
<activity
android:name=".PhotoListActivity"
android:exported="false" />
<activity
android:name=".MainActivity"
android:exported="true">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>

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app/src/main/java/com/example/tp8/MainActivity.java Normal file
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package com.example.tp8;
import android.content.Intent;
import android.location.Address;
import android.location.Geocoder;
import android.net.Uri;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.TextView;
import androidx.activity.EdgeToEdge;
import androidx.activity.result.ActivityResultLauncher;
import androidx.activity.result.contract.ActivityResultContracts;
import androidx.appcompat.app.AppCompatActivity;
import androidx.core.graphics.Insets;
import androidx.core.view.ViewCompat;
import androidx.core.view.WindowInsetsCompat;
import androidx.exifinterface.media.ExifInterface;
import java.io.IOException;
import java.io.InputStream;
import java.util.List;
import java.util.Locale;
public class MainActivity extends AppCompatActivity {
private ImageView imageView;
private TextView latiTextView;
private TextView longiTextView;
private TextView locationTextView;
private Button loadImageButton;
private Button showLocationButton;
private Button findNearbyPhotosButton; // Exo3
private double[] currentLatLong;
// Result launcher pour gérer la récupération et l'affichage de l'image choisie
private final ActivityResultLauncher<String> getImageLauncher = registerForActivityResult(
new ActivityResultContracts.GetContent(), // Récupérer le chemin de l'image
uri -> {
if (uri != null) { // S'il y a bien une image
imageView.setImageURI(uri); // L'afficher sur son emplacement
showExifData(uri); // Puis récupérer les coords GPS si possible
}
}
);
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
EdgeToEdge.enable(this);
setContentView(R.layout.activity_main);
ViewCompat.setOnApplyWindowInsetsListener(findViewById(R.id.main), (v, insets) -> {
Insets systemBars = insets.getInsets(WindowInsetsCompat.Type.systemBars());
v.setPadding(systemBars.left, systemBars.top, systemBars.right, systemBars.bottom);
return insets;
});
imageView = findViewById(R.id.imageView); // Récupération des éléments de l'interface
latiTextView = findViewById(R.id.lati);
longiTextView = findViewById(R.id.longi);
locationTextView = findViewById(R.id.location);
loadImageButton = findViewById(R.id.button_load_image);
showLocationButton = findViewById(R.id.button_show_location); // Bouton caché au lancement, affiché si des coords GPS sont trouvées
findNearbyPhotosButton = findViewById(R.id.button_find_nearby_photos); // Bouton exo3
Button findPhotosByUserLocationButton = findViewById(R.id.button_find_photos_by_user_location); // Bouton exo4
loadImageButton.setOnClickListener(event -> { // Quand le bouton de chargement est utilisé
getImageLauncher.launch("image/*"); // On lance la demande d'image
});
showLocationButton.setOnClickListener(event -> {
if (currentLatLong != null) {
reverseGeocode(currentLatLong[0], currentLatLong[1]); // GPS -> Lieu
}
});
findNearbyPhotosButton.setOnClickListener(event -> {
if (currentLatLong != null) {
Intent intent = new Intent(MainActivity.this, PhotoListActivity.class);
intent.putExtra("referenceLatLong", currentLatLong); // Passer les coordonnées de la photo actuelle
startActivity(intent);
}
});
findPhotosByUserLocationButton.setOnClickListener(event -> {
Intent intent = new Intent(MainActivity.this, NearbyPhotosActivity.class);
startActivity(intent);
});
}
private void showExifData(Uri imageUri) { // Fonction qui extrait les coords GPS
try (InputStream inputStream = getContentResolver().openInputStream(imageUri)) {
// J'essaie de récupérer les données de l'image
if (inputStream != null) {
ExifInterface exifInterface = new ExifInterface(inputStream); // Permet d'intéragir avec l'image
currentLatLong = exifInterface.getLatLong(); // Obtenir les coordonnées
if (currentLatLong != null) { // Si les coords sont bien définies https://developer.android.com/reference/android/media/ExifInterface#getLatLong(float[])
latiTextView.setText(getString(R.string.lati) + " " + currentLatLong[0]); // Je peux les écrire
longiTextView.setText(getString(R.string.longi) + " " + currentLatLong[1]);
showLocationButton.setVisibility(View.VISIBLE); // Afficher le bouton pour trouver le lieu
findNearbyPhotosButton.setVisibility(View.VISIBLE); // Afficher le bouton pour trouver les photos proches
} else {
latiTextView.setText(getString(R.string.lati) + " Inconnue"); // Sinon, inconnu
longiTextView.setText(getString(R.string.longi) + " Inconnue");
showLocationButton.setVisibility(View.GONE); // Cacher le bouton pour trouver le lieu
findNearbyPhotosButton.setVisibility(View.GONE); // Cacher le bouton pour trouver les photos proches
}
locationTextView.setText(""); // Retirer le lieu affiché
}
} catch (IOException e) { // En cas de problème avec la récupération de l'image ou ses données
e.printStackTrace(); // J'affiche l'erreur
latiTextView.setText(getString(R.string.lati) + " Erreur");
longiTextView.setText(getString(R.string.longi) + " Erreur");
showLocationButton.setVisibility(View.GONE);
findNearbyPhotosButton.setVisibility(View.GONE);
}
}
private void reverseGeocode(double latitude, double longitude) {
// DOC: https://developer.android.com/reference/android/location/Geocoder
new Thread(() -> { // Pour ne pas bloquer l'application, je lance la récupération dans un sous-processus
Geocoder geocoder = new Geocoder(this, Locale.getDefault());
try {
List<Address> addresses = geocoder.getFromLocation(latitude, longitude, 1); // J'essaie de récupérer 1 adresse qui correspond
if (addresses != null && !addresses.isEmpty()) { // Si l'on a trouvé quelque chose
Address address = addresses.get(0);
StringBuilder addressText = new StringBuilder(); // Je prépare une String
if (address.getLocality() != null) { // Si j'ai la bille
addressText.append(address.getLocality()).append(", "); // J'ajoute à la String
}
if (address.getCountryName() != null) {
addressText.append(address.getCountryName()); // Idem pour le pays
}
// https://stackoverflow.com/a/11140342 pour retourner les données vers le thread principal
runOnUiThread(() -> locationTextView.setText(addressText.toString())); // Et je retourne ça au thread principal
} else {
runOnUiThread(() -> locationTextView.setText(getString(R.string.unknown_place))); // Pas d'adresse trouvée
}
} catch (IOException e) {
e.printStackTrace(); // Crash
runOnUiThread(() -> locationTextView.setText(getString(R.string.error_place)));
}
}).start();
}
}

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app/src/main/java/com/example/tp8/NearbyPhotosActivity.java Normal file
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package com.example.tp8;
import android.Manifest;
import android.content.ContentResolver;
import android.content.pm.PackageManager;
import android.database.Cursor;
import android.location.Location;
import android.net.Uri;
import android.os.Build;
import android.os.Bundle;
import android.provider.MediaStore;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ImageView;
import android.widget.Toast;
import androidx.annotation.NonNull;
import androidx.appcompat.app.AppCompatActivity;
import androidx.core.app.ActivityCompat;
import androidx.core.content.ContextCompat;
import androidx.core.graphics.Insets;
import androidx.core.view.ViewCompat;
import androidx.core.view.WindowInsetsCompat;
import androidx.exifinterface.media.ExifInterface;
import androidx.recyclerview.widget.GridLayoutManager;
import androidx.recyclerview.widget.ListAdapter;
import androidx.recyclerview.widget.RecyclerView;
import androidx.recyclerview.widget.DiffUtil;
import com.google.android.gms.location.FusedLocationProviderClient;
import com.google.android.gms.location.LocationServices;
import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.List;
public class NearbyPhotosActivity extends AppCompatActivity {
private static final int PERMISSIONS_REQUEST_LOCATION_AND_MEDIA = 101; // ID de la requête de permission
private FusedLocationProviderClient fusedLocationClient; //https://developers.google.com/android/reference/com/google/android/gms/location/FusedLocationProviderClient
private Location currentUserLocation;
private EditText distanceInput;
private Button searchButton;
private RecyclerView recyclerView;
private NearbyPhotoAdapter adapter;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_nearby_photos);
ViewCompat.setOnApplyWindowInsetsListener(findViewById(R.id.photosAroundBackground), (v, insets) -> {
Insets systemBars = insets.getInsets(WindowInsetsCompat.Type.systemBars());
v.setPadding(systemBars.left, systemBars.top, systemBars.right, systemBars.bottom);
return insets;
});
distanceInput = findViewById(R.id.distance_input); // éléménts de l'interface
searchButton = findViewById(R.id.search_button);
recyclerView = findViewById(R.id.nearby_photos_recycler_view);
// Fournisseur de localisation
fusedLocationClient = LocationServices.getFusedLocationProviderClient(this); // Permet de gérer les deux types de position sans devoir y prêter attention
// RecyclerView qui gère l'affichage des éléments, mits en page selon GridLayoutManager
recyclerView.setLayoutManager(new GridLayoutManager(this, 3)); // 3 images par ligne dans la grille
adapter = new NearbyPhotoAdapter(); // Adapteur local pour les photos
recyclerView.setAdapter(adapter);
searchButton.setOnClickListener(v -> { // Click bouton recherche
String distanceStr = distanceInput.getText().toString(); // Je récupère la distance de recherche
if (currentUserLocation == null) {
Toast.makeText(this, getText(R.string.no_position_available), Toast.LENGTH_SHORT).show(); // Impossible d'avoir la position de l'utilisateur
return;
}
if (distanceStr.isEmpty()) { // Pas de distance entrée pour le moment
Toast.makeText(this, getText(R.string.input_distance), Toast.LENGTH_SHORT).show();
return;
}
try { // Et j'essaie de convertir la distance en nombre0
double maxDistance = Double.parseDouble(distanceStr); // Distance maximale de recherche
loadNearbyPhotos(maxDistance); // Et je recherche les images dans ce rayon
} catch (NumberFormatException e) {
Toast.makeText(this, getText(R.string.invalid_distance), Toast.LENGTH_SHORT).show(); // Nombre invalide
}
}); // Fin listener bouton
checkPermissionsAndGetLocation(); // Au lancement, je vérifie les permissions et obtiens la position
}
// Permission et position
private void checkPermissionsAndGetLocation() {
List<String> permissionsToRequest = new ArrayList<>(); // Liste des permissions qui seront demandées
if (ContextCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
permissionsToRequest.add(Manifest.permission.ACCESS_FINE_LOCATION); // Si je n'ai pas l'accès à la position précise, je demande
}
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) { // Suggéré par l'IDE pour gérer tous les cas de versions Android
if (ContextCompat.checkSelfPermission(this, Manifest.permission.READ_MEDIA_IMAGES) != PackageManager.PERMISSION_GRANTED) {
permissionsToRequest.add(Manifest.permission.READ_MEDIA_IMAGES);
}
} else {
if (ContextCompat.checkSelfPermission(this, Manifest.permission.READ_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED) {
permissionsToRequest.add(Manifest.permission.READ_EXTERNAL_STORAGE);
}
}
if (ContextCompat.checkSelfPermission(this, Manifest.permission.ACCESS_MEDIA_LOCATION) != PackageManager.PERMISSION_GRANTED) {
// Voir la position des images dans les métadonnées
permissionsToRequest.add(Manifest.permission.ACCESS_MEDIA_LOCATION);
}
if (!permissionsToRequest.isEmpty()) {
// S'il y a des permissions à demander, j'envois la demande
ActivityCompat.requestPermissions(this, permissionsToRequest.toArray(new String[0]), PERMISSIONS_REQUEST_LOCATION_AND_MEDIA);
} else {
fetchUserLocation(); // J'ai tout, je récupère la position de l'utilisateur
}
}
@Override // Résultat de la demande de permission
public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
super.onRequestPermissionsResult(requestCode, permissions, grantResults);
if (requestCode == PERMISSIONS_REQUEST_LOCATION_AND_MEDIA) {
boolean allGranted = true;
for (int grantResult : grantResults) { // Vérifier que tous les accès ont été donnés
if (grantResult != PackageManager.PERMISSION_GRANTED) {
allGranted = false;
break;
}
}
if (allGranted) {
fetchUserLocation(); // Tout y est, je récupère la position
} else {
Toast.makeText(this, getString(R.string.missing_permission), Toast.LENGTH_LONG).show(); // Il manque des accès
finish();
}
}
}
private void fetchUserLocation() { // Récupération de la positon de l'utilisateur
if (ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED && ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
return; // Echec si je n'ai aucun accès à la position
}
fusedLocationClient.getLastLocation() // Récupérer la position
.addOnSuccessListener(this, location -> {
if (location != null) {
currentUserLocation = location; // Position récupérée
Toast.makeText(this, getString(R.string.position_got), Toast.LENGTH_SHORT).show();
} else {
Toast.makeText(this, getString(R.string.position_error), Toast.LENGTH_LONG).show(); // Erreur
}
});
}
private void loadNearbyPhotos(double maxDistance) { // Chargement des photos proches du lieu
new Thread(() -> { // Dans un nouveau thread
List<Uri> nearbyPhotos = new ArrayList<>();
ContentResolver contentResolver = getContentResolver(); // Je prépare de quoi chercher dans le stockage
Uri queryUri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI;
String[] projection = {MediaStore.Images.Media._ID};
try (Cursor cursor = contentResolver.query(queryUri, projection, null, null, null)) {
if (cursor != null) {
int idColumn = cursor.getColumnIndexOrThrow(MediaStore.Images.Media._ID); // Récupérer l'ID de la colone qui gère les images
while (cursor.moveToNext()) { // Tant qu'il reste des images à récupérer
long id = cursor.getLong(idColumn);
Uri photoUri = Uri.withAppendedPath(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, Long.toString(id)); // Puis je récupère l'URI de l'image
try (InputStream inputStream = contentResolver.openInputStream(photoUri)) { // Je tente de récupérer l'ExifInterfacve
if (inputStream != null) {
ExifInterface exifInterface = new ExifInterface(inputStream);
double[] latLong = exifInterface.getLatLong(); // Récupérer les coords
if (latLong != null) { // Si elles existent
double distance = distance(currentUserLocation.getLatitude(), currentUserLocation.getLongitude(), latLong[0], latLong[1]);// Calcul distance km
//System.out.println(currentUserLocation.getLatitude()+"/"+currentUserLocation.getLongitude());
//System.out.println(maxDistance);
if (distance <= maxDistance) {
// OK, dans le rayon de recherche
nearbyPhotos.add(photoUri);
}
}
}
} catch (Exception e) {
// Impossible de récupérer ExifInterface, je passe cette image
}
}
}
}
runOnUiThread(() -> { // Une fois que j'ai finit de récupérer les images
// Dans le thread principal
adapter.submitList(nearbyPhotos); // J'envois la liste à l'adapter
if(nearbyPhotos.isEmpty()){
Toast.makeText(this, getString(R.string.no_pictures), Toast.LENGTH_SHORT).show();
}
});
}).start();
}
// J'aurai aussi pu passer par https://developer.android.com/reference/android/location/Location#distanceBetween(double,%20double,%20double,%20double,%20float[])
private static double distance(double lat1, double lon1, double lat2, double lon2) {
double R = 6371; // Rayon de la Terre, utilisé pour https://fr.wikipedia.org/wiki/Formule_de_haversine
double dLat = Math.toRadians(lat2 - lat1);
double dLon = Math.toRadians(lon2 - lon1);
double a = Math.sin(dLat / 2) * Math.sin(dLat / 2) +
Math.cos(Math.toRadians(lat1)) * Math.cos(Math.toRadians(lat2)) *
Math.sin(dLon / 2) * Math.sin(dLon / 2);
double c = 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1 - a));
return R * c;
}
private static class NearbyPhotoAdapter extends ListAdapter<Uri, NearbyPhotoAdapter.ViewHolder> {
//Adapteur pour l'affichage en grille des images
protected NearbyPhotoAdapter() {
super(DIFF_CALLBACK); // Implémentation du diff callback de https://developer.android.com/reference/androidx/leanback/widget/DiffCallback
}
@NonNull
@Override
public ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
// Créer l'afifchage en utilisant le layour en grille
View view = LayoutInflater.from(parent.getContext())
.inflate(R.layout.grid_item_photo, parent, false);
return new ViewHolder(view);
}
@Override
public void onBindViewHolder(@NonNull ViewHolder holder, int position) {
holder.imageView.setImageURI(getItem(position)); // Ajouter une image à une position dans la grille
}
public static class ViewHolder extends RecyclerView.ViewHolder {
public ImageView imageView;
public ViewHolder(View view) {
super(view);
imageView = view.findViewById(R.id.photo_grid_item);
}
}
}
private static final DiffUtil.ItemCallback<Uri> DIFF_CALLBACK = // Android se sert de cette partie pour comparer les éléments https://developer.android.com/reference/androidx/leanback/widget/DiffCallback
new DiffUtil.ItemCallback<Uri>() {
@Override
public boolean areItemsTheSame(@NonNull Uri oldItem, @NonNull Uri newItem) {
return oldItem.equals(newItem);
}
@Override
public boolean areContentsTheSame(@NonNull Uri oldItem, @NonNull Uri newItem) {
return oldItem.equals(newItem);
}
};
}

249
app/src/main/java/com/example/tp8/PhotoListActivity.java Normal file
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package com.example.tp8;
import android.Manifest;
import android.content.ContentResolver;
import android.content.pm.PackageManager;
import android.database.Cursor;
import android.net.Uri;
import android.os.Build;
import android.os.Bundle;
import android.provider.MediaStore;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.TextView;
import android.widget.Toast;
import androidx.activity.EdgeToEdge;
import androidx.activity.result.ActivityResultLauncher;
import androidx.activity.result.contract.ActivityResultContracts;
import androidx.annotation.NonNull;
import androidx.appcompat.app.AppCompatActivity;
import androidx.core.app.ActivityCompat;
import androidx.core.content.ContextCompat;
import androidx.core.graphics.Insets;
import androidx.core.view.ViewCompat;
import androidx.core.view.WindowInsetsCompat;
import androidx.exifinterface.media.ExifInterface;
import androidx.recyclerview.widget.DiffUtil;
import androidx.recyclerview.widget.LinearLayoutManager;
import androidx.recyclerview.widget.ListAdapter;
import androidx.recyclerview.widget.RecyclerView;
import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Locale;
public class PhotoListActivity extends AppCompatActivity {
private static final int PERMISSIONS_REQUEST_READ_IMAGES = 100; // ID de la requête de permission
private PhotoAdapter adapter;
private double[] referenceLatLong;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
EdgeToEdge.enable(this);
setContentView(R.layout.activity_photo_list);
ViewCompat.setOnApplyWindowInsetsListener(findViewById(R.id.photo_list_layout), (v, insets) -> { // Changed R.id.main to R.id.photo_list_layout
Insets systemBars = insets.getInsets(WindowInsetsCompat.Type.systemBars());
v.setPadding(systemBars.left, systemBars.top, systemBars.right, systemBars.bottom);
return insets;
});
referenceLatLong = getIntent().getDoubleArrayExtra("referenceLatLong"); // Je récupère la valeur de référence pour la position GPS
if (referenceLatLong == null) {
finish(); // Ne devrait pas se produire normalement
return;
}
RecyclerView recyclerView = findViewById(R.id.photo_recycler_view); // https://developer.android.com/develop/ui/views/layout/recyclerview?hl=fr
recyclerView.setLayoutManager(new LinearLayoutManager(this));
adapter = new PhotoAdapter(); // Affichage d'une liste dynamique de photos
recyclerView.setAdapter(adapter);
checkPermissionAndLoadPhotos(); // Vérification des permissions, puis chargement des photos
}
private void checkPermissionAndLoadPhotos() {
List<String> permissionsToRequest = new ArrayList<>();
// Choisir la permission de stockage appropriée
String storagePermission;
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) { // If-else recommandé par Android Studio pour gérer toutes les versions d'Android
storagePermission = Manifest.permission.READ_MEDIA_IMAGES; // https://developer.android.com/about/versions/14/changes/partial-photo-video-access?hl=fr
} else {
storagePermission = Manifest.permission.READ_EXTERNAL_STORAGE;
}
if (ContextCompat.checkSelfPermission(this, storagePermission) != PackageManager.PERMISSION_GRANTED) {
permissionsToRequest.add(storagePermission); // Je n'ai pas la permission, j'ajoute à la liste de perms à demander
}
// Ajouter la permission pour la localisation des médias, pour lire les métadonnées des images
if (ContextCompat.checkSelfPermission(this, Manifest.permission.ACCESS_MEDIA_LOCATION) != PackageManager.PERMISSION_GRANTED) {
permissionsToRequest.add(Manifest.permission.ACCESS_MEDIA_LOCATION); // J'ajoute aussi si je ne l'ai pas
}
if (!permissionsToRequest.isEmpty()) {
// Demander les permissions nécessaires
ActivityCompat.requestPermissions(this, permissionsToRequest.toArray(new String[0]), PERMISSIONS_REQUEST_READ_IMAGES);
} else {
// OK, toutes les permissions sont déjà accordées
loadPhotos();
}
}
@Override // Fonction appelée quand le système a reçu une réponse de la demande de permission
public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
super.onRequestPermissionsResult(requestCode, permissions, grantResults);
if (requestCode == PERMISSIONS_REQUEST_READ_IMAGES) {
// Vérifier si toutes les permissions demandées ont été accordées
boolean allGranted = true;
for (int grantResult : grantResults) {
if (grantResult != PackageManager.PERMISSION_GRANTED) {
allGranted = false;
break;
}
}
if (allGranted) {
// Permissions OK
loadPhotos();
} else {
// Au moins une permission a été refusée
Toast.makeText(this, getText(R.string.missing_permission), Toast.LENGTH_LONG).show();
finish(); // Terminer ici
}
}
}
// Fonction de chargement des photos
private void loadPhotos() {
new Thread(() -> { // Dans un thread, comme vu dans la doc' Android
List<PhotoItem> photoItems = new ArrayList<>(); // Liste principale des images
ContentResolver contentResolver = getContentResolver();
Uri queryUri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI; // Champ recherché
String[] projection = {MediaStore.Images.Media._ID};
try (Cursor cursor = contentResolver.query(queryUri, projection, null, null, MediaStore.Images.Media.DATE_ADDED + " DESC")) { // Je tente de prioriser les images récentes
if (cursor != null) {
int idColumn = cursor.getColumnIndexOrThrow(MediaStore.Images.Media._ID); // ID colone rechercheé
while (cursor.moveToNext()) { // Tant qu'il y a des images
long id = cursor.getLong(idColumn);
Uri photoUri = Uri.withAppendedPath(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, Long.toString(id)); // Récupérer l'URI
try (InputStream inputStream = contentResolver.openInputStream(photoUri)) { // Je tente d'avoir l'InputStream
if (inputStream != null) {
ExifInterface exifInterface = new ExifInterface(inputStream); // Que je convertis en ExifInterface
double[] latLong = exifInterface.getLatLong();
if (latLong != null) {
double distance = distance(referenceLatLong[0], referenceLatLong[1], latLong[0], latLong[1]); // D'où je récupère la distance
photoItems.add(new PhotoItem(photoUri, distance)); // Et j'ajoute ça à la liste
}
}
} catch (IOException e) {
// J'ignore les images impossibles à lire, possiblement corrompues
} catch (Exception e) {
// Juste au cas où, je collecte ici tout le reste pour le débug
e.printStackTrace();
}
}
}
}
Collections.sort(photoItems); // Je lance un tri sur la liste de photos (méthode de tri sur la distance)
runOnUiThread(() -> {
if (photoItems.isEmpty()) { // Message s'il n'y a pas de photos
Toast.makeText(PhotoListActivity.this, getString(R.string.no_pictures_found), Toast.LENGTH_LONG).show();
}
adapter.submitList(photoItems);// Puis envoi de la liste
});
}).start();
}
// J'aurai aussi pu passer par https://developer.android.com/reference/android/location/Location#distanceBetween(double,%20double,%20double,%20double,%20float[])
private static double distance(double lat1, double lon1, double lat2, double lon2) {
double R = 6371; // Rayon de la Terre, utilisé pour https://fr.wikipedia.org/wiki/Formule_de_haversine
double dLat = Math.toRadians(lat2 - lat1);
double dLon = Math.toRadians(lon2 - lon1);
double a = Math.sin(dLat / 2) * Math.sin(dLat / 2) +
Math.cos(Math.toRadians(lat1)) * Math.cos(Math.toRadians(lat2)) *
Math.sin(dLon / 2) * Math.sin(dLon / 2);
double c = 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1 - a));
return R * c;
}
private static class PhotoItem implements Comparable<PhotoItem> {
final Uri uri;
final double distance;
PhotoItem(Uri uri, double distance) {
this.uri = uri;
this.distance = distance;
}
@Override
public int compareTo(PhotoItem other) {
return Double.compare(this.distance, other.distance);
}
}
// Classe que je garde là pour gérer proprement les photos
private static class PhotoAdapter extends ListAdapter<PhotoItem, PhotoAdapter.PhotoViewHolder> {
// https://developer.android.com/reference/androidx/recyclerview/widget/ListAdapter
protected PhotoAdapter() {
super(DIFF_CALLBACK); // utilisé par Android pour savoir s'il faut rebuild la liste
}
@NonNull
@Override // Afficher les images à la création du widget
public PhotoAdapter.PhotoViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.list_item_photo, parent, false);
return new PhotoAdapter.PhotoViewHolder(view);
}
@Override
public void onBindViewHolder(@NonNull PhotoAdapter.PhotoViewHolder holder, int position) {
PhotoItem item = getItem(position);
holder.bind(item);
}
static class PhotoViewHolder extends RecyclerView.ViewHolder {
// La sous-classe qui gère quelques méthodes d'affichage des images
final ImageView thumbnail;
final TextView distance;
PhotoViewHolder(@NonNull View itemView) {
super(itemView);
thumbnail = itemView.findViewById(R.id.photo_thumbnail);
distance = itemView.findViewById(R.id.photo_distance);
}
void bind(PhotoItem item) {
thumbnail.setImageURI(item.uri); // Image affichée
distance.setText(String.format(Locale.getDefault(), "Distance: %.2f km", item.distance)); // Texte
}
}
private static final DiffUtil.ItemCallback<PhotoItem> DIFF_CALLBACK = // Android se sert de cette partie pour comparer les éléments https://developer.android.com/reference/androidx/leanback/widget/DiffCallback
new DiffUtil.ItemCallback<PhotoItem>() {
@Override
public boolean areItemsTheSame(@NonNull PhotoItem oldItem, @NonNull PhotoItem newItem) {
return oldItem.uri.equals(newItem.uri);
}
@Override
public boolean areContentsTheSame(@NonNull PhotoItem oldItem, @NonNull PhotoItem newItem) {
return oldItem.distance == newItem.distance;
}
};
}
}

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170
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</gradient>
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app/src/main/res/layout/activity_main.xml Normal file
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<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/main"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".MainActivity">
<androidx.appcompat.widget.Toolbar
android:id="@+id/toolbar"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:background="?attr/colorPrimary"
android:minHeight="?attr/actionBarSize"
android:theme="?attr/actionBarTheme"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:title="@string/app_name"
app:titleTextColor="#E9DEDE" />
<LinearLayout
android:layout_width="0dp"
android:layout_height="0dp"
android:orientation="vertical"
android:gravity="center_horizontal"
android:padding="16dp"
app:layout_constraintTop_toBottomOf="@id/toolbar"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintEnd_toEndOf="parent">
<Button
android:id="@+id/button_load_image"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Charger une image"/>
<TextView
android:id="@+id/lati"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="16dp"
android:text="@string/lati" />
<TextView
android:id="@+id/longi"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="8dp"
android:text="@string/longi" />
<Button
android:id="@+id/button_show_location"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="16dp"
android:text="@string/show_place"
android:visibility="gone" />
<TextView
android:id="@+id/location"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="8dp"/>
<Button
android:id="@+id/button_find_nearby_photos"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="16dp"
android:text="@string/find_nearby_photos"
android:visibility="gone"/>
<Button
android:id="@+id/button_find_photos_by_user_location"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="8dp"
android:text="@string/find_photos_by_user_location"
android:visibility="visible"/>
<ImageView
android:id="@+id/imageView"
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1"
android:layout_marginTop="16dp"
android:contentDescription="Image sélectionnée"/>
</LinearLayout>
</androidx.constraintlayout.widget.ConstraintLayout>

43
app/src/main/res/layout/activity_nearby_photos.xml Normal file
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<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/photosAroundBackground"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".NearbyPhotosActivity">
<EditText
android:id="@+id/distance_input"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginStart="16dp"
android:layout_marginTop="16dp"
android:layout_marginEnd="8dp"
android:hint="@string/km_distance"
android:inputType="numberDecimal"
app:layout_constraintEnd_toStartOf="@+id/search_button"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent" />
<Button
android:id="@+id/search_button"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="16dp"
android:layout_marginEnd="16dp"
android:text="@string/search"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintTop_toTopOf="parent" />
<androidx.recyclerview.widget.RecyclerView
android:id="@+id/nearby_photos_recycler_view"
android:layout_width="0dp"
android:layout_height="0dp"
android:layout_marginTop="16dp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@id/distance_input" />
</androidx.constraintlayout.widget.ConstraintLayout>

19
app/src/main/res/layout/activity_photo_list.xml Normal file
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<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/photo_list_layout"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".PhotoListActivity">
<androidx.recyclerview.widget.RecyclerView
android:id="@+id/photo_recycler_view"
android:layout_width="0dp"
android:layout_height="0dp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent" />
</androidx.constraintlayout.widget.ConstraintLayout>

7
app/src/main/res/layout/grid_item_photo.xml Normal file
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<?xml version="1.0" encoding="utf-8"?>
<ImageView xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/photo_grid_item"
android:layout_width="match_parent"
android:layout_height="120dp"
android:scaleType="centerCrop"
android:contentDescription="Photo" />

22
app/src/main/res/layout/list_item_photo.xml Normal file
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<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal"
android:padding="8dp">
<ImageView
android:id="@+id/photo_thumbnail"
android:layout_width="100dp"
android:layout_height="100dp"
android:scaleType="centerCrop" />
<TextView
android:id="@+id/photo_distance"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_vertical"
android:layout_marginStart="16dp"
android:textSize="16sp" />
</LinearLayout>

6
app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml Normal file
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<?xml version="1.0" encoding="utf-8"?>
<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
<background android:drawable="@drawable/ic_launcher_background" />
<foreground android:drawable="@drawable/ic_launcher_foreground" />
<monochrome android:drawable="@drawable/ic_launcher_foreground" />
</adaptive-icon>

6
app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml Normal file
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<?xml version="1.0" encoding="utf-8"?>
<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
<background android:drawable="@drawable/ic_launcher_background" />
<foreground android:drawable="@drawable/ic_launcher_foreground" />
<monochrome android:drawable="@drawable/ic_launcher_foreground" />
</adaptive-icon>

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app/src/main/res/values-night/themes.xml Normal file
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<resources xmlns:tools="http://schemas.android.com/tools">
<!-- Base application theme. -->
<style name="Base.Theme.TP8" parent="Theme.Material3.DayNight.NoActionBar">
<!-- Customize your dark theme here. -->
<!-- <item name="colorPrimary">@color/my_dark_primary</item> -->
</style>
</resources>

5
app/src/main/res/values/colors.xml Normal file
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<?xml version="1.0" encoding="utf-8"?>
<resources>
<color name="black">#FF000000</color>
<color name="white">#FFFFFFFF</color>
</resources>

23
app/src/main/res/values/strings.xml Normal file
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<resources>
<string name="app_name">TP8 Taccoen</string>
<string name="lati">Latitude:</string>
<string name="longi">Longitude:</string>
<string name="show_place">Afficher le lieu</string>
<string name="unknown_place">Lieu inconnu</string>
<string name="error_place">Erreur de lieu</string>
<string name="missing_permission">Permission refusée</string>
<string name="no_pictures_found">Aucune image trouvée</string>
<string name="find_nearby_photos">Trouver des images proches</string>
<string name="km_distance">Distance en km</string>
<string name="search">Rechercher</string>
<string name="find_photos_by_user_location">Photos proches de moi</string>
<string name="no_position_available">Localisation indisponible</string>
<string name="input_distance">Entrez une distance</string>
<string name="invalid_distance">Distance invalide</string>
<string name="position_got">Position obtenue</string>
<string name="position_error">Erreur d\'obtention de la position</string>
<string name="no_pictures">Aucune image trouvée</string>
</resources>

9
app/src/main/res/values/themes.xml Normal file
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<resources xmlns:tools="http://schemas.android.com/tools">
<!-- Base application theme. -->
<style name="Base.Theme.TP8" parent="Theme.Material3.DayNight.NoActionBar">
<!-- Customize your light theme here. -->
<!-- <item name="colorPrimary">@color/my_light_primary</item> -->
</style>
<style name="Theme.TP8" parent="Base.Theme.TP8" />
</resources>

13
app/src/main/res/xml/backup_rules.xml Normal file
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<?xml version="1.0" encoding="utf-8"?><!--
Sample backup rules file; uncomment and customize as necessary.
See https://developer.android.com/guide/topics/data/autobackup
for details.
Note: This file is ignored for devices older than API 31
See https://developer.android.com/about/versions/12/backup-restore
-->
<full-backup-content>
<!--
<include domain="sharedpref" path="."/>
<exclude domain="sharedpref" path="device.xml"/>
-->
</full-backup-content>

19
app/src/main/res/xml/data_extraction_rules.xml Normal file
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<?xml version="1.0" encoding="utf-8"?><!--
Sample data extraction rules file; uncomment and customize as necessary.
See https://developer.android.com/about/versions/12/backup-restore#xml-changes
for details.
-->
<data-extraction-rules>
<cloud-backup>
<!-- TODO: Use <include> and <exclude> to control what is backed up.
<include .../>
<exclude .../>
-->
</cloud-backup>
<!--
<device-transfer>
<include .../>
<exclude .../>
</device-transfer>
-->
</data-extraction-rules>

17
app/src/test/java/com/example/tp8/ExampleUnitTest.java Normal file
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package com.example.tp8;
import org.junit.Test;
import static org.junit.Assert.*;
/**
* Example local unit test, which will execute on the development machine (host).
*
* @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
*/
public class ExampleUnitTest {
@Test
public void addition_isCorrect() {
assertEquals(4, 2 + 2);
}
}

4
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// Top-level build file where you can add configuration options common to all sub-projects/modules.
plugins {
alias(libs.plugins.android.application) apply false
}

21
gradle.properties Normal file
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# Project-wide Gradle settings.
# IDE (e.g. Android Studio) users:
# Gradle settings configured through the IDE *will override*
# any settings specified in this file.
# For more details on how to configure your build environment visit
# http://www.gradle.org/docs/current/userguide/build_environment.html
# Specifies the JVM arguments used for the daemon process.
# The setting is particularly useful for tweaking memory settings.
org.gradle.jvmargs=-Xmx2048m -Dfile.encoding=UTF-8
# When configured, Gradle will run in incubating parallel mode.
# This option should only be used with decoupled projects. For more details, visit
# https://developer.android.com/r/tools/gradle-multi-project-decoupled-projects
# org.gradle.parallel=true
# AndroidX package structure to make it clearer which packages are bundled with the
# Android operating system, and which are packaged with your app's APK
# https://developer.android.com/topic/libraries/support-library/androidx-rn
android.useAndroidX=true
# Enables namespacing of each library's R class so that its R class includes only the
# resources declared in the library itself and none from the library's dependencies,
# thereby reducing the size of the R class for that library
android.nonTransitiveRClass=true

26
gradle/libs.versions.toml Normal file
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[versions]
agp = "8.13.2"
junit = "4.13.2"
junitVersion = "1.3.0"
espressoCore = "3.7.0"
appcompat = "1.7.1"
material = "1.13.0"
activity = "1.12.2"
constraintlayout = "2.2.1"
exifinterface = "1.4.2"
playServicesLocation = "21.3.0"
[libraries]
junit = { group = "junit", name = "junit", version.ref = "junit" }
ext-junit = { group = "androidx.test.ext", name = "junit", version.ref = "junitVersion" }
espresso-core = { group = "androidx.test.espresso", name = "espresso-core", version.ref = "espressoCore" }
appcompat = { group = "androidx.appcompat", name = "appcompat", version.ref = "appcompat" }
material = { group = "com.google.android.material", name = "material", version.ref = "material" }
activity = { group = "androidx.activity", name = "activity", version.ref = "activity" }
constraintlayout = { group = "androidx.constraintlayout", name = "constraintlayout", version.ref = "constraintlayout" }
exifinterface = { group = "androidx.exifinterface", name = "exifinterface", version.ref = "exifinterface" }
play-services-location = { group = "com.google.android.gms", name = "play-services-location", version.ref = "playServicesLocation" }
[plugins]
android-application = { id = "com.android.application", version.ref = "agp" }

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gradle/wrapper/gradle-wrapper.properties vendored Normal file
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#Fri Jan 23 17:45:14 CET 2026
distributionBase=GRADLE_USER_HOME
distributionPath=wrapper/dists
distributionUrl=https\://services.gradle.org/distributions/gradle-8.13-bin.zip
networkTimeout=10000
validateDistributionUrl=true
zipStoreBase=GRADLE_USER_HOME
zipStorePath=wrapper/dists

251
gradlew vendored Executable file
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#!/bin/sh
#
# Copyright © 2015 the original authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# SPDX-License-Identifier: Apache-2.0
#
##############################################################################
#
# Gradle start up script for POSIX generated by Gradle.
#
# Important for running:
#
# (1) You need a POSIX-compliant shell to run this script. If your /bin/sh is
# noncompliant, but you have some other compliant shell such as ksh or
# bash, then to run this script, type that shell name before the whole
# command line, like:
#
# ksh Gradle
#
# Busybox and similar reduced shells will NOT work, because this script
# requires all of these POSIX shell features:
# * functions;
# * expansions «$var», «${var}», «${var:-default}», «${var+SET}»,
# «${var#prefix}», «${var%suffix}», and «$( cmd )»;
# * compound commands having a testable exit status, especially «case»;
# * various built-in commands including «command», «set», and «ulimit».
#
# Important for patching:
#
# (2) This script targets any POSIX shell, so it avoids extensions provided
# by Bash, Ksh, etc; in particular arrays are avoided.
#
# The "traditional" practice of packing multiple parameters into a
# space-separated string is a well documented source of bugs and security
# problems, so this is (mostly) avoided, by progressively accumulating
# options in "$@", and eventually passing that to Java.
#
# Where the inherited environment variables (DEFAULT_JVM_OPTS, JAVA_OPTS,
# and GRADLE_OPTS) rely on word-splitting, this is performed explicitly;
# see the in-line comments for details.
#
# There are tweaks for specific operating systems such as AIX, CygWin,
# Darwin, MinGW, and NonStop.
#
# (3) This script is generated from the Groovy template
# https://github.com/gradle/gradle/blob/HEAD/platforms/jvm/plugins-application/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
# within the Gradle project.
#
# You can find Gradle at https://github.com/gradle/gradle/.
#
##############################################################################
# Attempt to set APP_HOME
# Resolve links: $0 may be a link
app_path=$0
# Need this for daisy-chained symlinks.
while
APP_HOME=${app_path%"${app_path##*/}"} # leaves a trailing /; empty if no leading path
[ -h "$app_path" ]
do
ls=$( ls -ld "$app_path" )
link=${ls#*' -> '}
case $link in #(
/*) app_path=$link ;; #(
*) app_path=$APP_HOME$link ;;
esac
done
# This is normally unused
# shellcheck disable=SC2034
APP_BASE_NAME=${0##*/}
# Discard cd standard output in case $CDPATH is set (https://github.com/gradle/gradle/issues/25036)
APP_HOME=$( cd -P "${APP_HOME:-./}" > /dev/null && printf '%s\n' "$PWD" ) || exit
# Use the maximum available, or set MAX_FD != -1 to use that value.
MAX_FD=maximum
warn () {
echo "$*"
} >&2
die () {
echo
echo "$*"
echo
exit 1
} >&2
# OS specific support (must be 'true' or 'false').
cygwin=false
msys=false
darwin=false
nonstop=false
case "$( uname )" in #(
CYGWIN* ) cygwin=true ;; #(
Darwin* ) darwin=true ;; #(
MSYS* | MINGW* ) msys=true ;; #(
NONSTOP* ) nonstop=true ;;
esac
CLASSPATH="\\\"\\\""
# Determine the Java command to use to start the JVM.
if [ -n "$JAVA_HOME" ] ; then
if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
# IBM's JDK on AIX uses strange locations for the executables
JAVACMD=$JAVA_HOME/jre/sh/java
else
JAVACMD=$JAVA_HOME/bin/java
fi
if [ ! -x "$JAVACMD" ] ; then
die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
Please set the JAVA_HOME variable in your environment to match the
location of your Java installation."
fi
else
JAVACMD=java
if ! command -v java >/dev/null 2>&1
then
die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
Please set the JAVA_HOME variable in your environment to match the
location of your Java installation."
fi
fi
# Increase the maximum file descriptors if we can.
if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
case $MAX_FD in #(
max*)
# In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked.
# shellcheck disable=SC2039,SC3045
MAX_FD=$( ulimit -H -n ) ||
warn "Could not query maximum file descriptor limit"
esac
case $MAX_FD in #(
'' | soft) :;; #(
*)
# In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked.
# shellcheck disable=SC2039,SC3045
ulimit -n "$MAX_FD" ||
warn "Could not set maximum file descriptor limit to $MAX_FD"
esac
fi
# Collect all arguments for the java command, stacking in reverse order:
# * args from the command line
# * the main class name
# * -classpath
# * -D...appname settings
# * --module-path (only if needed)
# * DEFAULT_JVM_OPTS, JAVA_OPTS, and GRADLE_OPTS environment variables.
# For Cygwin or MSYS, switch paths to Windows format before running java
if "$cygwin" || "$msys" ; then
APP_HOME=$( cygpath --path --mixed "$APP_HOME" )
CLASSPATH=$( cygpath --path --mixed "$CLASSPATH" )
JAVACMD=$( cygpath --unix "$JAVACMD" )
# Now convert the arguments - kludge to limit ourselves to /bin/sh
for arg do
if
case $arg in #(
-*) false ;; # don't mess with options #(
/?*) t=${arg#/} t=/${t%%/*} # looks like a POSIX filepath
[ -e "$t" ] ;; #(
*) false ;;
esac
then
arg=$( cygpath --path --ignore --mixed "$arg" )
fi
# Roll the args list around exactly as many times as the number of
# args, so each arg winds up back in the position where it started, but
# possibly modified.
#
# NB: a `for` loop captures its iteration list before it begins, so
# changing the positional parameters here affects neither the number of
# iterations, nor the values presented in `arg`.
shift # remove old arg
set -- "$@" "$arg" # push replacement arg
done
fi
# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
# Collect all arguments for the java command:
# * DEFAULT_JVM_OPTS, JAVA_OPTS, and optsEnvironmentVar are not allowed to contain shell fragments,
# and any embedded shellness will be escaped.
# * For example: A user cannot expect ${Hostname} to be expanded, as it is an environment variable and will be
# treated as '${Hostname}' itself on the command line.
set -- \
"-Dorg.gradle.appname=$APP_BASE_NAME" \
-classpath "$CLASSPATH" \
-jar "$APP_HOME/gradle/wrapper/gradle-wrapper.jar" \
"$@"
# Stop when "xargs" is not available.
if ! command -v xargs >/dev/null 2>&1
then
die "xargs is not available"
fi
# Use "xargs" to parse quoted args.
#
# With -n1 it outputs one arg per line, with the quotes and backslashes removed.
#
# In Bash we could simply go:
#
# readarray ARGS < <( xargs -n1 <<<"$var" ) &&
# set -- "${ARGS[@]}" "$@"
#
# but POSIX shell has neither arrays nor command substitution, so instead we
# post-process each arg (as a line of input to sed) to backslash-escape any
# character that might be a shell metacharacter, then use eval to reverse
# that process (while maintaining the separation between arguments), and wrap
# the whole thing up as a single "set" statement.
#
# This will of course break if any of these variables contains a newline or
# an unmatched quote.
#
eval "set -- $(
printf '%s\n' "$DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS" |
xargs -n1 |
sed ' s~[^-[:alnum:]+,./:=@_]~\\&~g; ' |
tr '\n' ' '
)" '"$@"'
exec "$JAVACMD" "$@"

94
gradlew.bat vendored Normal file
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@rem
@rem Copyright 2015 the original author or authors.
@rem
@rem Licensed under the Apache License, Version 2.0 (the "License");
@rem you may not use this file except in compliance with the License.
@rem You may obtain a copy of the License at
@rem
@rem https://www.apache.org/licenses/LICENSE-2.0
@rem
@rem Unless required by applicable law or agreed to in writing, software
@rem distributed under the License is distributed on an "AS IS" BASIS,
@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
@rem See the License for the specific language governing permissions and
@rem limitations under the License.
@rem
@rem SPDX-License-Identifier: Apache-2.0
@rem
@if "%DEBUG%"=="" @echo off
@rem ##########################################################################
@rem
@rem Gradle startup script for Windows
@rem
@rem ##########################################################################
@rem Set local scope for the variables with windows NT shell
if "%OS%"=="Windows_NT" setlocal
set DIRNAME=%~dp0
if "%DIRNAME%"=="" set DIRNAME=.
@rem This is normally unused
set APP_BASE_NAME=%~n0
set APP_HOME=%DIRNAME%
@rem Resolve any "." and ".." in APP_HOME to make it shorter.
for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi
@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
@rem Find java.exe
if defined JAVA_HOME goto findJavaFromJavaHome
set JAVA_EXE=java.exe
%JAVA_EXE% -version >NUL 2>&1
if %ERRORLEVEL% equ 0 goto execute
echo. 1>&2
echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 1>&2
echo. 1>&2
echo Please set the JAVA_HOME variable in your environment to match the 1>&2
echo location of your Java installation. 1>&2
goto fail
:findJavaFromJavaHome
set JAVA_HOME=%JAVA_HOME:"=%
set JAVA_EXE=%JAVA_HOME%/bin/java.exe
if exist "%JAVA_EXE%" goto execute
echo. 1>&2
echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% 1>&2
echo. 1>&2
echo Please set the JAVA_HOME variable in your environment to match the 1>&2
echo location of your Java installation. 1>&2
goto fail
:execute
@rem Setup the command line
set CLASSPATH=
@rem Execute Gradle
"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" -jar "%APP_HOME%\gradle\wrapper\gradle-wrapper.jar" %*
:end
@rem End local scope for the variables with windows NT shell
if %ERRORLEVEL% equ 0 goto mainEnd
:fail
rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
rem the _cmd.exe /c_ return code!
set EXIT_CODE=%ERRORLEVEL%
if %EXIT_CODE% equ 0 set EXIT_CODE=1
if not ""=="%GRADLE_EXIT_CONSOLE%" exit %EXIT_CODE%
exit /b %EXIT_CODE%
:mainEnd
if "%OS%"=="Windows_NT" endlocal
:omega

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24
settings.gradle.kts Normal file
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pluginManagement {
repositories {
google {
content {
includeGroupByRegex("com\\.android.*")
includeGroupByRegex("com\\.google.*")
includeGroupByRegex("androidx.*")
}
}
mavenCentral()
gradlePluginPortal()
}
}
dependencyResolutionManagement {
repositoriesMode.set(RepositoriesMode.FAIL_ON_PROJECT_REPOS)
repositories {
google()
mavenCentral()
}
}
rootProject.name = "TP8"
include(":app")

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tp08_android.pdf Normal file
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