/* * Copyright (C) 2008 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package android.os; import android.os.IPowerManager; import android.app.Activity; import android.os.Bundle; import android.os.RemoteException; import android.os.ServiceManager; import android.provider.Settings; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; import com.android.frameworks.coretests.R; /** * Tries to set the brightness to 0. Should be silently thwarted by the framework. */ public class BrightnessLimit extends Activity implements OnClickListener { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.brightness_limit); Button b = (Button) findViewById(R.id.go); b.setOnClickListener(this); } public void onClick(View v) { IPowerManager power = IPowerManager.Stub.asInterface( ServiceManager.getService("power")); if (power != null) { try { power.setTemporaryScreenBrightnessSettingOverride(0); } catch (RemoteException darn) { } } Settings.System.putInt(getContentResolver(), Settings.System.SCREEN_BRIGHTNESS, 0); } }