private void clearPackagePreferredActivities(Context context, String packageName) {
PackageManager mPm = context.getPackageManager();
UserManager mUserManager = (UserManager)context.getSystemService(Context.USER_SERVICE);
AppWidgetManager mAppWidgetManager = AppWidgetManager.getInstance(context);;
IBinder b = ServiceManager.getService(Context.USB_SERVICE);
IUsbManager mUsbManager = IUsbManager.Stub.asInterface(b);
if (mUsbManager != null) {
mPm.clearPackagePreferredActivities(packageName);
try {
mUsbManager.clearDefaults(packageName, UserHandle.myUserId());
} catch (Exception e) {
}
}
}
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