// 需在源碼下編譯

// 實(shí)現(xiàn)。。。

private ClearUserDataObserver mClearDataObserver;

class ClearUserDataObserver extends IPackageDataObserver.Stub {

public void onRemoveCompleted(final String packageName, final boolean succeeded) {

/*final Message msg = mHandler.obtainMessage(CLEAR_USER_DATA);

msg.arg1 = succeeded?OP_SUCCESSFUL:OP_FAILED;

mHandler.sendMessage(msg);*/

}

}

/*

* Private method to initiate clearing user data when the user clicks the clear data

* button for a system package

*/

private void initiateClearUserData(String packageName) {

// Invoke uninstall or clear user data based on sysPackage

Log.i("type1", "Clearing user data for package : " + packageName);

if (mClearDataObserver == null) {

mClearDataObserver = new ClearUserDataObserver();

}

ActivityManager am = (ActivityManager) MainActivity.this.getSystemService(Context.ACTIVITY_SERVICE);

boolean res = am.clearApplicationUserData(packageName, mClearDataObserver);

if (!res) {

// Clearing data failed for some obscure reason. Just log error for now

Log.i("type1", "Couldnt clear application user data for package:"+packageName);

} else {

// success

Log.i("type1", "success");

}

}

// 調(diào)用。。。

// 清楚用戶數(shù)據(jù)

initiateClearUserData("com.set.time");

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