| /* |
| * Copyright (C) 2007 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.view; |
| |
| import com.android.frameworks.coretests.R; |
| |
| import android.os.Bundle; |
| import android.app.Activity; |
| import android.widget.LinearLayout; |
| import android.widget.ScrollView; |
| import android.view.ViewGroup; |
| import android.view.View; |
| import android.view.Display; |
| import android.view.ViewConfiguration; |
| |
| /** |
| * This activity contains two Views, one as big as the screen, one much larger. The large one |
| * should not be able to activate its drawing cache. |
| */ |
| public class BigCache extends Activity { |
| @Override |
| protected void onCreate(Bundle icicle) { |
| super.onCreate(icicle); |
| |
| final LinearLayout testBed = new LinearLayout(this); |
| testBed.setOrientation(LinearLayout.VERTICAL); |
| testBed.setLayoutParams(new ViewGroup.LayoutParams( |
| ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT)); |
| |
| final int cacheSize = ViewConfiguration.getMaximumDrawingCacheSize(); |
| final Display display = getWindowManager().getDefaultDisplay(); |
| final int screenWidth = display.getWidth(); |
| final int screenHeight = display.getHeight(); |
| |
| final View tiny = new View(this); |
| tiny.setId(R.id.a); |
| tiny.setBackgroundColor(0xFFFF0000); |
| tiny.setLayoutParams(new LinearLayout.LayoutParams(screenWidth, screenHeight)); |
| |
| final View large = new View(this); |
| large.setId(R.id.b); |
| large.setBackgroundColor(0xFF00FF00); |
| // Compute the height of the view assuming a cache size based on ARGB8888 |
| final int height = 2 * (cacheSize / 2) / screenWidth; |
| large.setLayoutParams(new LinearLayout.LayoutParams(screenWidth, height)); |
| |
| final ScrollView scroller = new ScrollView(this); |
| scroller.setLayoutParams(new ViewGroup.LayoutParams( |
| ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT)); |
| |
| testBed.addView(tiny); |
| testBed.addView(large); |
| scroller.addView(testBed); |
| |
| setContentView(scroller); |
| } |
| } |