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Catch TransactionTooLargeException when loading widget provider list

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b/19904873

Change-Id: Ic0d13ee7513731706bc0f9fde8502acba0899cb3
Note: fix for almonte will be separate due to diff btw the branches..
(cherry picked from commit 3abd5488cc)
This commit is contained in:
Hyunyoung Song
2015-06-08 18:41:04 -07:00
parent a14cb230da
commit 0c979d1f2f
1 changed files with 42 additions and 17 deletions
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59
src/com/android/launcher3/LauncherModel.java
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@@ -47,6 +47,7 @@ import android.os.Parcelable;
import android.os.Process;
import android.os.RemoteException;
import android.os.SystemClock;
import android.os.TransactionTooLargeException;
import android.provider.BaseColumns;
import android.text.TextUtils;
import android.util.Log;
@@ -3338,27 +3339,51 @@ public class LauncherModel extends BroadcastReceiver
public static List<LauncherAppWidgetProviderInfo> getWidgetProviders(Context context,
boolean refresh) {
synchronized (sBgLock) {
if (sBgWidgetProviders == null || refresh) {
sBgWidgetProviders = new HashMap<>();
AppWidgetManagerCompat wm = AppWidgetManagerCompat.getInstance(context);
LauncherAppWidgetProviderInfo info;
ArrayList<LauncherAppWidgetProviderInfo> results =
new ArrayList<LauncherAppWidgetProviderInfo>();
try {
synchronized (sBgLock) {
if (sBgWidgetProviders == null || refresh) {
HashMap<ComponentKey, LauncherAppWidgetProviderInfo> tmpWidgetProviders
= new HashMap<>();
AppWidgetManagerCompat wm = AppWidgetManagerCompat.getInstance(context);
LauncherAppWidgetProviderInfo info;
List<AppWidgetProviderInfo> widgets = wm.getAllProviders();
for (AppWidgetProviderInfo pInfo : widgets) {
info = LauncherAppWidgetProviderInfo.fromProviderInfo(context, pInfo);
UserHandleCompat user = wm.getUser(info);
sBgWidgetProviders.put(new ComponentKey(info.provider, user), info);
}
List<AppWidgetProviderInfo> widgets = wm.getAllProviders();
for (AppWidgetProviderInfo pInfo : widgets) {
info = LauncherAppWidgetProviderInfo.fromProviderInfo(context, pInfo);
UserHandleCompat user = wm.getUser(info);
tmpWidgetProviders.put(new ComponentKey(info.provider, user), info);
}
Collection<CustomAppWidget> customWidgets = Launcher.getCustomAppWidgets().values();
for (CustomAppWidget widget : customWidgets) {
info = new LauncherAppWidgetProviderInfo(context, widget);
UserHandleCompat user = wm.getUser(info);
sBgWidgetProviders.put(new ComponentKey(info.provider, user), info);
Collection<CustomAppWidget> customWidgets = Launcher.getCustomAppWidgets().values();
for (CustomAppWidget widget : customWidgets) {
info = new LauncherAppWidgetProviderInfo(context, widget);
UserHandleCompat user = wm.getUser(info);
tmpWidgetProviders.put(new ComponentKey(info.provider, user), info);
}
// Replace the global list at the very end, so that if there is an exception,
// previously loaded provider list is used.
sBgWidgetProviders = tmpWidgetProviders;
}
results.addAll(sBgWidgetProviders.values());
return results;
}
} catch (Exception e) {
if (e.getCause() instanceof TransactionTooLargeException) {
// the returned value may be incomplete and will not be refreshed until the next
// time Launcher starts.
// TODO: after figuring out a repro step, introduce a dirty bit to check when
// onResume is called to refresh the widget provider list.
synchronized (sBgLock) {
if (sBgWidgetProviders != null) {
results.addAll(sBgWidgetProviders.values());
}
return results;
}
} else {
throw e;
}
return new ArrayList<LauncherAppWidgetProviderInfo>(sBgWidgetProviders.values());
}
}