2 * Copyright (C) 2008 The Android Open Source Project
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
19 import android.os.IPowerManager;
21 import android.app.Activity;
22 import android.os.Bundle;
23 import android.os.RemoteException;
24 import android.os.ServiceManager;
25 import android.provider.Settings;
26 import android.view.View;
27 import android.view.View.OnClickListener;
28 import android.widget.Button;
30 import com.android.frameworks.coretests.R;
33 * Tries to set the brightness to 0. Should be silently thwarted by the framework.
35 public class BrightnessLimit extends Activity implements OnClickListener {
38 protected void onCreate(Bundle savedInstanceState) {
39 super.onCreate(savedInstanceState);
41 setContentView(R.layout.brightness_limit);
43 Button b = findViewById(R.id.go);
44 b.setOnClickListener(this);
47 public void onClick(View v) {
48 IPowerManager power = IPowerManager.Stub.asInterface(
49 ServiceManager.getService("power"));
52 power.setTemporaryScreenBrightnessSettingOverride(0);
53 } catch (RemoteException darn) {
57 Settings.System.putInt(getContentResolver(), Settings.System.SCREEN_BRIGHTNESS, 0);