#9 & #7 - Wallpapers and favourite prioritisation

app/src/main/AndroidManifest.xml

@@ -7,6 +7,9 @@
     <uses-permission android:name="android.permission.MEDIA_CONTENT_CONTROL"
         tools:ignore="ProtectedPermissions" />
     <uses-permission android:name="android.permission.INTERNET"/>
+    <uses-permission android:name="android.permission.READ_MEDIA_IMAGES"/>
+    <uses-permission android:name="android.permission.READ_MEDIA_VISUAL_USER_SELECTED"/>
+    <uses-permission android:name="android.permission.ACTION_OPEN_DOCUMENT"/>
 
     <application
         android:icon="@mipmap/ic_launcher"

app/src/main/java/com/chadderbox/launchbox/MainActivity.java

@@ -6,6 +6,9 @@
 import android.content.Intent;
 import android.content.IntentFilter;
 import android.content.SharedPreferences;
+import android.graphics.BlendMode;
+import android.graphics.BlendModeColorFilter;
+import android.graphics.drawable.Drawable;
 import android.net.Uri;
 import android.os.Bundle;
 import android.os.Handler;
@@ -18,6 +21,7 @@
 import android.view.View;
 import android.view.inputmethod.InputMethodManager;
 import android.widget.EditText;
+import android.widget.ImageView;
 import android.widget.Toast;
 
 import androidx.activity.OnBackPressedCallback;
@@ -74,6 +78,7 @@ public final class MainActivity
     private BottomSheetBehavior<View> mSearchSheet;
     private CombinedAdapter mSearchAdapter;
     private Fragment mCurrentFragment;
+    private Drawable mWallpaperDrawable;
 
     private final BroadcastReceiver mPackageReceiver = new BroadcastReceiver() {
         @Override
@@ -105,7 +110,7 @@ protected void onCreate(Bundle savedInstanceState) {
         mFavouritesHelper = new FavouritesRepository(mExecutor, mMainHandler);
 
         mAppLoader = new AppLoader(this);
-        var appSearchProvider = new AppSearchProvider(mAppLoader);
+        var appSearchProvider = new AppSearchProvider(mAppLoader, mFavouritesHelper);
         var searchProviders = List.of(
             appSearchProvider,
             new WebSearchProvider(),
@@ -120,6 +125,7 @@ protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         getWindow().setDimAmount(0f);
         setContentView(R.layout.activity_main);
+        loadWallpaperBackground();
 
         initialiseSearchView();
 
@@ -475,11 +481,44 @@ private void performSearch(String query) {
         });
     }
 
-    private Fragment findPagerFragment(int position) {
-        long itemId = mPagerAdapter.getItemId(position);
+    private void loadWallpaperBackground() {
+        var wallpaperPath = SettingsManager.getWallpaper();
+        if (wallpaperPath == null || wallpaperPath.isEmpty()) {
+            return;
+        }
+
+        var wallpaperUri = Uri.parse(wallpaperPath);
+        try (var inputStream = getContentResolver().openInputStream(wallpaperUri)) {
+            if (inputStream != null) {
+                mWallpaperDrawable = Drawable.createFromStream(inputStream, wallpaperUri.toString());
+                if (mWallpaperDrawable == null) {
+                    return;
+                }
+
+                setWallpaperDim();
+            }
+        } catch (Exception ignored) { }
+    }
+
+    private void setWallpaperDim() {
+        var dimColor = getDimColour(SettingsManager.getWallpaperDimAmount());
+        var filter = new BlendModeColorFilter(dimColor, BlendMode.SRC_ATOP);
+        mWallpaperDrawable.setColorFilter(filter);
+        var wallpaperHost = (ImageView) findViewById(R.id.wallpaper_image);
+        wallpaperHost.setImageDrawable(mWallpaperDrawable);
+    }
+
+    private Fragment findPagerFragment(final int position) {
+        var itemId = mPagerAdapter.getItemId(position);
         return getSupportFragmentManager().findFragmentByTag("f" + itemId);
     }
 
+    private int getDimColour(float dimAmount) {
+        dimAmount = Math.max(0f, Math.min(dimAmount, 1f));
+        var alpha = (int) (dimAmount * 255);
+        return alpha << 24;
+    }
+
     @Override
     public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) {
         if (SettingsManager.KEY_ICON_PACK.equals(key) ||
@@ -490,5 +529,11 @@ public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, Strin
         ) {
             refreshUi();
         }
+
+        if (SettingsManager.KEY_WALLPAPER.equals(key) ||
+            SettingsManager.KEY_WALLPAPER_DIM_AMOUNT.equals(key)
+        ) {
+            loadWallpaperBackground();
+        }
     }
 }

app/src/main/java/com/chadderbox/launchbox/search/AppSearchProvider.java

@@ -6,6 +6,7 @@
 import com.chadderbox.launchbox.data.AppItem;
 import com.chadderbox.launchbox.data.ListItem;
 import com.chadderbox.launchbox.utils.AppLoader;
+import com.chadderbox.launchbox.utils.FavouritesRepository;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -20,9 +21,11 @@ public final class AppSearchProvider implements ISearchProvider {
 
     private final ExecutorService mExecutor = Executors.newSingleThreadExecutor();
     private final AppLoader mAppLoader;
+    private final FavouritesRepository mFavouritesRepository;
 
-    public AppSearchProvider(AppLoader appLoader) {
+    public AppSearchProvider(AppLoader appLoader, FavouritesRepository favouritesRepository) {
         mAppLoader = appLoader;
+        mFavouritesRepository = favouritesRepository;
     }
 
     @Override
@@ -35,18 +38,29 @@ public int getPriority() {
     public void searchAsync(String query, Consumer<List<ListItem>> callback) {
         mExecutor.execute(() -> {
             var searchQuery = query.toLowerCase(Locale.getDefault());
+
+            var favourites = mFavouritesRepository.loadFavourites();
+
             var results = new ArrayList<ListItem>();
+            var favouriteResults = new ArrayList<ListItem>();
+            var normalResults = new ArrayList<ListItem>();
             var fuzzyResults = new ArrayList<ListItem>();
             var apps = mAppLoader.getInstalledApps();
             for (var app : apps) {
                 if (app.getLabel().toLowerCase(Locale.getDefault()).contains(searchQuery)) {
-                    results.add(new AppItem(app));
+                    if (favourites.contains(app.getPackageName())) {
+                        favouriteResults.add(new AppItem(app));
+                    } else {
+                        normalResults.add(new AppItem(app));
+                    }
                 } else if (searchQuery.length() > 3 && SearchHelpers.calculateLevenshteinDistance(searchQuery, app.getLabel().toLowerCase(Locale.getDefault())) < LEVENSHTEIN_HEURISTIC) {
                     fuzzyResults.add(new AppItem(app));
                 }
             }
 
-            // We want the fuzzy results to show after actual search results
+            // Show in the order that the user probably wants them
+            results.addAll(favouriteResults);
+            results.addAll(normalResults);
             results.addAll(fuzzyResults);
 
             new Handler(Looper.getMainLooper()).post(() -> callback.accept(results));