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Commit 0af0d842 authored by Sunny Goyal's avatar Sunny Goyal
Browse files

Saving the system wallpaper thumbnail prefixed by the SDK_INT 

so that it is recreated after a system update.

issue: 15670065

Change-Id: I237ef1d99676d5a0ac6ff7b4a80a7a72905ef1ed
parent 0fe505bf

WallpaperPicker/src/com/android/launcher3/WallpaperPickerActivity.java

+20 −8
Original line number Diff line number Diff line
@@ -997,11 +997,27 @@ public class WallpaperPickerActivity extends WallpaperCropActivity { 
        return false;

    }



    private File getDefaultThumbFile() {

        return new File(getFilesDir(), Build.VERSION.SDK_INT

                + "_" + DEFAULT_WALLPAPER_THUMBNAIL_FILENAME);

    }



    private boolean saveDefaultWallpaperThumb(Bitmap b) {

        // Delete old thumbnails.

        new File(getFilesDir(), OLD_DEFAULT_WALLPAPER_THUMBNAIL_FILENAME).delete();

        new File(getFilesDir(), DEFAULT_WALLPAPER_THUMBNAIL_FILENAME).delete();



        for (int i = Build.VERSION_CODES.JELLY_BEAN; i < Build.VERSION.SDK_INT; i++) {

            new File(getFilesDir(), i + "_" + DEFAULT_WALLPAPER_THUMBNAIL_FILENAME).delete();

        }

        return writeImageToFileAsJpeg(getDefaultThumbFile(), b);

    }



    private ResourceWallpaperInfo getPreKKDefaultWallpaperInfo() {

        Resources sysRes = Resources.getSystem();

        int resId = sysRes.getIdentifier("default_wallpaper", "drawable", "android");



        File defaultThumbFile = new File(getFilesDir(), DEFAULT_WALLPAPER_THUMBNAIL_FILENAME);

        File defaultThumbFile = getDefaultThumbFile();

        Bitmap thumb = null;

        boolean defaultWallpaperExists = false;

        if (defaultThumbFile.exists()) {
@@ -1014,7 +1030,7 @@ public class WallpaperPickerActivity extends WallpaperCropActivity { 
            thumb = createThumbnail(

                    defaultThumbSize, this, null, null, sysRes, resId, rotation, false);

            if (thumb != null) {

                defaultWallpaperExists = writeImageToFileAsJpeg(defaultThumbFile, thumb);

                defaultWallpaperExists = saveDefaultWallpaperThumb(thumb);

            }

        }

        if (defaultWallpaperExists) {
@@ -1025,17 +1041,13 @@ public class WallpaperPickerActivity extends WallpaperCropActivity { 


    @TargetApi(Build.VERSION_CODES.KITKAT)

    private DefaultWallpaperInfo getDefaultWallpaper() {

        File defaultThumbFile = new File(getFilesDir(), DEFAULT_WALLPAPER_THUMBNAIL_FILENAME);

        File defaultThumbFile = getDefaultThumbFile();

        Bitmap thumb = null;

        boolean defaultWallpaperExists = false;

        if (defaultThumbFile.exists()) {

            thumb = BitmapFactory.decodeFile(defaultThumbFile.getAbsolutePath());

            defaultWallpaperExists = true;

        } else {

            // Delete old thumbnail file, since we had a bug where the thumbnail wasn't being drawn

            // before

            new File(getFilesDir(), OLD_DEFAULT_WALLPAPER_THUMBNAIL_FILENAME).delete();



            Resources res = getResources();

            Point defaultThumbSize = getDefaultThumbnailSize(res);

            Drawable wallpaperDrawable = WallpaperManager.getInstance(this).getBuiltInDrawable(
@@ -1049,7 +1061,7 @@ public class WallpaperPickerActivity extends WallpaperCropActivity { 
                c.setBitmap(null);

            }

            if (thumb != null) {

                defaultWallpaperExists = writeImageToFileAsJpeg(defaultThumbFile, thumb);

                defaultWallpaperExists = saveDefaultWallpaperThumb(thumb);

            }

        }

        if (defaultWallpaperExists) {