/*
* Copyright (C) 2009 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.
*/
public class Main {
Bitmap mBitmap1, mBitmap2, mBitmap3, mBitmap4;
public static void sleep(int ms) {
try {
Thread.sleep(ms);
} catch (InterruptedException ie) {
System.err.println("sleep interrupted");
}
}
public static void main(String args[]) {
System.out.println("start");
Main main = new Main();
main.run();
sleep(1000);
System.out.println("done");
}
public void run() {
createBitmaps();
Runtime.getRuntime().gc();
sleep(250);
mBitmap2.drawAt(0, 0);
System.out.println("nulling 1");
mBitmap1 = null;
Runtime.getRuntime().gc();
sleep(500);
System.out.println("nulling 2");
mBitmap2 = null;
Runtime.getRuntime().gc();
sleep(500);
System.out.println("nulling 3");
mBitmap3 = null;
Runtime.getRuntime().gc();
sleep(500);
System.out.println("nulling 4");
mBitmap4 = null;
Runtime.getRuntime().gc();
sleep(500);
Bitmap.shutDown();
}
/*
* Create bitmaps.
*
* bitmap1 is 10x10 and unique
* bitmap2 and bitmap3 are 20x20 and share the same storage.
* bitmap4 is just another reference to bitmap3
*
* When we return there should be no local refs lurking on the stack.
*/
public void createBitmaps() {
Bitmap.NativeWrapper dataA = Bitmap.allocNativeStorage(10, 10);
Bitmap.NativeWrapper dataB = Bitmap.allocNativeStorage(20, 20);
mBitmap1 = new Bitmap("one", 10, 10, dataA);
mBitmap2 = new Bitmap("two", 20, 20, dataB);
mBitmap3 = mBitmap4 = new Bitmap("three/four", 20, 20, dataB);
}
}