我正在尝试使用15到20张图像在固定时间一张一张地显示在动态壁纸背景上，但是我面临着增长堆问题（对于6220816字节分配，增长堆（frag情况）为8.987MB）无法通过这个
任何帮助请求。
这是我的代码
公共类LiveWallpaperService扩展了WallpaperService {
private float x;
private int y;
private int angle;
private int speed;
@Override
public void onCreate() {
super.onCreate();
}
@Override
public void onDestroy() {
super.onDestroy();
}
@Override
public Engine onCreateEngine() {
stopSelf();
return new MyWallpaperEngine();
}
class MyWallpaperEngine extends Engine {
private final Handler handle = new Handler();
private final Runnable drawRunner = new Runnable() {
@Override
public void run() {
draw();
}
};
private Boolean visble = true;
public Bitmap mBackgroundImage;
public String name;
int[] mImagesArray;
private int mImagesArrayIndex = 0;
MyWallpaperEngine() {
mImagesArray = new int[] { R.drawable.love_1_mini,
R.drawable.love_2_mini, R.drawable.love_3_mini,
R.drawable.love_4_mini, R.drawable.love_5_mini,
R.drawable.love_6_mini, R.drawable.love_7_mini,
R.drawable.love_8_mini, R.drawable.love_9_mini,
R.drawable.love_10_mini,
R.drawable.love_11_mini, R.drawable.love_12_mini,
R.drawable.love_13_mini, R.drawable.love_14_mini,
R.drawable.love_15_mini, R.drawable.love_16_mini,
R.drawable.love_17_mini, R.drawable.love_18_mini,
R.drawable.love_19_mini, R.drawable.love_20_mini };
if (mImagesArrayIndex == 0) {
x = -330; // initialize x position
y = 0; // initialize y position
} else {
x = -330; // initialize x position
y = 0; // initialize y position
}
}
@Override
public Bundle onCommand(String action, int x, int y, int z,
Bundle extras, boolean resultRequested) {
return super.onCommand(action, x, y, z, extras, resultRequested);
}
@Override
public void onCreate(SurfaceHolder surfaceHolder) {
super.onCreate(surfaceHolder);
}
@Override
public void onOffsetsChanged(float xOffset, float yOffset,
float xOffsetStep, float yOffsetStep, int xPixelOffset,
int yPixelOffset) {
draw();
}
@Override
public void onSurfaceCreated(SurfaceHolder holder) {
super.onSurfaceCreated(holder);
this.visble = false;
}
@Override
public void onTouchEvent(MotionEvent event) {
}
@Override
public void onVisibilityChanged(boolean visible) {
this.visble = visible;
if (visible) {
handle.post(drawRunner);
} else {
handle.removeCallbacks(drawRunner);
}
super.onVisibilityChanged(visible);
}
private void incrementCounter() {
mImagesArrayIndex++;
if (mImagesArrayIndex >= mImagesArray.length) {
mImagesArrayIndex = 0;
}
}
@SuppressWarnings("deprecation")
void draw() {
int count = mImagesArray[mImagesArrayIndex];
final SurfaceHolder holder = getSurfaceHolder();
Canvas c = null;
int scale = 2;
Resources res = getResources();
BitmapFactory.Options o2 = new BitmapFactory.Options();
o2.inPreferredConfig = Bitmap.Config.RGB_565;
o2.inSampleSize = scale;
o2.inPurgeable = true;
o2.inInputShareable = true;
Bitmap image = BitmapFactory.decodeResource(res, count, o2);
Calendar mCalendar = Calendar.getInstance();
int h = mCalendar.get(Calendar.HOUR);
int m = mCalendar.get(Calendar.MINUTE);
int s = mCalendar.get(Calendar.SECOND);
if (s == 10) {
mImagesArrayIndex = 0;
}
try {
Paint paint = new Paint(Paint.FILTER_BITMAP_FLAG);
c = holder.lockCanvas();
c.drawColor(Color.RED);
if (c != null) {
int a = 0;
int counting = 0;
if (counting == a) {
a++;
counting++;
c.drawBitmap(image, x, y, paint);
int widthhhh = c.getWidth();
x = (float) (x + 10.10);
if (x > widthhhh + 400) {
image.recycle();
image = null;
incrementCounter();
}
}
paint.setColor(Color.RED);
}
} catch (IllegalArgumentException e) {
e.printStackTrace();
} finally {
try {
if (c != null) {
holder.unlockCanvasAndPost(c);
}
handle.removeCallbacks(drawRunner);
if (visble) {
handle.postDelayed(drawRunner, 10);
}
} catch (IllegalArgumentException e) {
e.printStackTrace();
}
}
}
}
}
最佳答案
位图图像= BitmapFactory.decodeResource（getResources（），mImagesArray [mImagesArrayIndex]）;
完成后，调用image.recycle()（请参阅javadoc）。