aixan/lawnchair
1
0
Fork 0
mirror of https://github.com/LawnchairLauncher/lawnchair.git synced 2026-03-01 16:26:47 +00:00
Code Issues Packages Projects Releases Wiki Activity

Clear widget preview cache when system is updated

Browse Source 
Bug: 11325218
This commit is contained in:
Michael Jurka
2013-11-01 14:19:27 +01:00
parent d77057a77b
commit 8ff02cac07
1 changed files with 22 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

22
src/com/android/launcher3/WidgetPreviewLoader.java
View File

@@ -4,6 +4,7 @@ import android.appwidget.AppWidgetProviderInfo;
import android.content.ComponentName;
import android.content.ContentValues;
import android.content.Context;
import android.content.SharedPreferences;
import android.content.pm.PackageManager;
import android.content.pm.ResolveInfo;
import android.content.res.Resources;
@@ -100,6 +101,7 @@ class BitmapFactoryOptionsCache extends SoftReferenceThreadLocal<BitmapFactory.O
public class WidgetPreviewLoader {
static final String TAG = "WidgetPreviewLoader";
static final String ANDROID_INCREMENTAL_VERSION_NAME_KEY = "android.incremental.version";
private int mPreviewBitmapWidth;
private int mPreviewBitmapHeight;
@@ -147,6 +149,20 @@ public class WidgetPreviewLoader {
mDb = app.getWidgetPreviewCacheDb();
mLoadedPreviews = new HashMap<String, WeakReference<Bitmap>>();
mUnusedBitmaps = new ArrayList<SoftReference<Bitmap>>();
SharedPreferences sp = context.getSharedPreferences(
LauncherAppState.getSharedPreferencesKey(), Context.MODE_PRIVATE);
final String lastVersionName = sp.getString(ANDROID_INCREMENTAL_VERSION_NAME_KEY, null);
final String versionName = android.os.Build.VERSION.INCREMENTAL;
if (!versionName.equals(lastVersionName)) {
// clear all the previews whenever the system version changes, to ensure that previews
// are up-to-date for any apps that might have been updated with the system
clearDb();
SharedPreferences.Editor editor = sp.edit();
editor.putString(ANDROID_INCREMENTAL_VERSION_NAME_KEY, versionName);
editor.commit();
}
}
public void setPreviewSize(int previewWidth, int previewHeight,
@@ -334,6 +350,12 @@ public class WidgetPreviewLoader {
db.insert(CacheDb.TABLE_NAME, null, values);
}
private void clearDb() {
SQLiteDatabase db = mDb.getWritableDatabase();
// Delete everything
db.delete(CacheDb.TABLE_NAME, null, null);
}
public static void removePackageFromDb(final CacheDb cacheDb, final String packageName) {
synchronized(sInvalidPackages) {
sInvalidPackages.add(packageName);