1/*
2 * Copyright (C) 2008 The Android Open Source Project
3 *
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
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
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.
15 */
16
17package android.os;
18
19import android.os.IPowerManager;
20
21import android.app.Activity;
22import android.os.Bundle;
23import android.os.RemoteException;
24import android.os.ServiceManager;
25import android.provider.Settings;
26import android.view.View;
27import android.view.View.OnClickListener;
28import android.widget.Button;
29
30import com.android.frameworks.coretests.R;
31
32/**
33 * Tries to set the brightness to 0. Should be silently thwarted by the framework.
34 */
35public class BrightnessLimit extends Activity implements OnClickListener {
36
37    @Override
38    protected void onCreate(Bundle savedInstanceState) {
39        super.onCreate(savedInstanceState);
40
41        setContentView(R.layout.brightness_limit);
42
43        Button b = findViewById(R.id.go);
44        b.setOnClickListener(this);
45    }
46
47    public void onClick(View v) {
48        IPowerManager power = IPowerManager.Stub.asInterface(
49                ServiceManager.getService("power"));
50        if (power != null) {
51            try {
52                power.setTemporaryScreenBrightnessSettingOverride(0);
53            } catch (RemoteException darn) {
54
55            }
56        }
57        Settings.System.putInt(getContentResolver(), Settings.System.SCREEN_BRIGHTNESS, 0);
58    }
59}
60
61