Недостаточно памяти Ошибка с изображениями
я показываю изображения в виде списка и выхожу из памяти ошибка, любой подсказывает мне, как решить эту проблему, вот мой код
LogCat
ERROR/AndroidRuntime(1010): java.lang.OutOfMemoryError: bitmap size exceeds VM budget
ERROR/AndroidRuntime(1010): at android.graphics.BitmapFactory.nativeDecodeByteArray(Native Method)
ERROR/AndroidRuntime(1010): at android.graphics.BitmapFactory.decodeByteArray(BitmapFactory.java:405)
ERROR/AndroidRuntime(1010): at android.graphics.BitmapFactory.decodeByteArray(BitmapFactory.java:418)
ERROR/AndroidRuntime(1010): at com.Adapters.AdapterTours.getView(AdapterTours.java:73)
ERROR/AndroidRuntime(1010): at android.widget.AbsListView.obtainView(AbsListView.java:1409)
ERROR/AndroidRuntime(1010): at android.widget.ListView.makeAndAddView(ListView.java:1745)
ERROR/AndroidRuntime(1010): at android.widget.ListView.fillUp(ListView.java:700)
ERROR/AndroidRuntime(1010): at android.widget.ListView.fillGap(ListView.java:646)
ERROR/AndroidRuntime(1010): at android.widget.AbsListView.trackMotionScroll(AbsListView.java:3399)
ERROR/AndroidRuntime(1010): at android.widget.AbsListView.onTouchEvent(AbsListView.java:2233)
ERROR/AndroidRuntime(1010): at android.widget.ListView.onTouchEvent(ListView.java:3446)
ERROR/AndroidRuntime(1010): at android.view.View.dispatchTouchEvent(View.java:3885)
ERROR/AndroidRuntime(1010): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:903)
ERROR/AndroidRuntime(1010): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:942)
ERROR/AndroidRuntime(1010): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:942)
ERROR/AndroidRuntime(1010): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:942)
ERROR/AndroidRuntime(1010): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:942)
ERROR/AndroidRuntime(1010): at com.android.internal.policy.impl.PhoneWindow$DecorView.superDispatchTouchEvent(PhoneWindow.java:1691)
ERROR/AndroidRuntime(1010): at com.android.internal.policy.impl.PhoneWindow.superDispatchTouchEvent(PhoneWindow.java:1125)
ERROR/AndroidRuntime(1010): at android.app.Activity.dispatchTouchEvent(Activity.java:2096)
ERROR/AndroidRuntime(1010): at com.android.internal.policy.impl.PhoneWindow$DecorView.dispatchTouchEvent(PhoneWindow.java:1675)
ERROR/AndroidRuntime(1010): at android.view.ViewRoot.deliverPointerEvent(ViewRoot.java:2194)
ERROR/AndroidRuntime(1010): at android.view.ViewRoot.handleMessage(ViewRoot.java:1878)
ERROR/AndroidRuntime(1010): at android.os.Handler.dispatchMessage(Handler.java:99)
ERROR/AndroidRuntime(1010): at android.os.Looper.loop(Looper.java:130)
ERROR/AndroidRuntime(1010): at android.app.ActivityThread.main(ActivityThread.java:3683)
ERROR/AndroidRuntime(1010): at java.lang.reflect.Method.invokeNative(Native Method)
ERROR/AndroidRuntime(1010): at java.lang.reflect.Method.invoke(Method.java:507)
ERROR/AndroidRuntime(1010): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:839)
ERROR/AndroidRuntime(1010): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:597)
ERROR/AndroidRuntime(1010): at dalvik.system.NativeStart.main(Native Method)
Метод GetView
public View getView(final int position, View convertView, ViewGroup parent) {
ViewHolder holder;
if (convertView == null) {
convertView = mInflater.inflate(R.layout.list_tours, null);
holder = new ViewHolder();
holder.tourTitle = (TextView) convertView.findViewById(R.id.tourTitle);
holder.tourIcon = (ImageView) convertView.findViewById(R.id.tourIcon);
holder.tourDetail = (TextView) convertView.findViewById(R.id.tourDetail);
convertView.setTag(holder);
} else {
holder = (ViewHolder) convertView.getTag();
}
DalTours tour = getItem(position);
String tempTag = String.valueOf(tour.getId());
holder.tourIcon.setTag(tempTag);
if(tour.getImageByteArray() != null)
{
Bitmap image = BitmapFactory.decodeByteArray(tour.getImageByteArray(), 0, tour.getImageByteArray().length);
holder.tourIcon.setImageDrawable(getScaledImage(image));
image = null;
}else
{
holder.tourIcon.setTag(tour);
Bitmap cachedImage = ImageLoader.loadBitmap(tour,new ImageLoader.ImageCallback() {
@Override
public void imageLoaded(Bitmap imageBitmap, DalTours tour) {
ImageView image = (ImageView)listview.findViewWithTag(tour);
if(image != null)
{
try
{
ByteArrayOutputStream stream = new ByteArrayOutputStream();
if(imageBitmap != null)
{
image.setImageDrawable(getScaledImage(imageBitmap));
imageBitmap.compress(CompressFormat.PNG, 0 ,stream);
byte[] bitmapdata = stream.toByteArray();
tours.get(position).setImageByteArray(bitmapdata);
}
stream = null;
}finally
{
}
}
}
});
holder.tourIcon.setImageDrawable(getScaledImage(cachedImage));
}
holder.tourTitle.setText(tours.get(position).getTitle());
holder.tourDetail.setText(tours.get(position).getDetail());
return convertView;
}
Функция масштаба изображения
public Drawable getScaledImage(Bitmap actualBitmap)
{
BitmapDrawable bmd= null;
if(actualBitmap != null)
{
int width = actualBitmap.getWidth();
int height = actualBitmap.getHeight();
Activity parent = (Activity)context;
Display display = parent.getWindowManager().getDefaultDisplay();
int Screenwidth = display.getWidth();
int Screenheight = display.getHeight();
float newWidth = (Screenwidth*35)/100;
float temp = newWidth / width;
float newHeight = temp * height;
float scaleWidth = ((float) newWidth) / width;
float scaleHeight = ((float) newHeight) / height;
Matrix matrix = new Matrix();
matrix.postScale(scaleWidth, scaleHeight);
Bitmap resizedBitmap = Bitmap.createBitmap(actualBitmap, 0, 0,
width, height, matrix, true);
bmd = new BitmapDrawable(resizedBitmap);
}
return bmd;
}
Image Loader Class
public class ImageLoader {
private static HashMap<String, SoftReference<Bitmap>> imageCache;
public ImageLoader() {
//imageCache = new HashMap<String, SoftReference<Bitmap>>();
}
public static Bitmap loadBitmap(final DalTours tour, final ImageCallback imageCallback) {
if(imageCache == null)
imageCache = new HashMap<String, SoftReference<Bitmap>>();
if (imageCache.containsKey(tour.getImageurl())) {
SoftReference<Bitmap> softReference = imageCache.get(tour.getImageurl());
Bitmap Bitmap = softReference.get();
if (Bitmap != null) {
return Bitmap;
}
}
final Handler handler = new Handler() {
@Override
public void handleMessage(Message message) {
imageCallback.imageLoaded((Bitmap) message.obj, tour);
}
};
new Thread() {
@Override
public void run() {
Bitmap Bitmap = loadImageFromUrl(tour.getImageurl());
imageCache.put(tour.getImageurl(), new SoftReference<Bitmap>(Bitmap));
Message message = handler.obtainMessage(0, Bitmap);
handler.sendMessage(message);
}
}.start();
return null;
}
public static Bitmap loadImageFromUrl(String url) {
Bitmap bm;
try {
URL aURL = new URL(url);
URLConnection conn = aURL.openConnection();
conn.connect();
InputStream is = null;
try
{
is= conn.getInputStream();
}catch(IOException e)
{
return null;
}
BufferedInputStream bis = new BufferedInputStream(is);
bm = BitmapFactory.decodeStream(bis);
bis.close();
is.close();
} catch (IOException e) {
return null;
}
return bm;
}
public interface ImageCallback {
public void imageLoaded(Bitmap imageBitmap, DalTours tour);
}
}
любая помощь будет оценена