到目前为止，我已经检查了所有相关的帖子，但是没有设法修复我的GridView活动生成的“1843216字节分配内存不足”错误。
基本上这个活动在GridView中显示来自手机图库的图像（作为多个图像选择器），首先它加载一切就好了，第二次尝试我得到内存错误并且GridView跳过加载一些图像缩略图。
我已禁用内存缓存：“。cacheInMemory（false）”，并且仅使用具有固定ImageView宽度和高度的磁盘缓存，但仍然出现内存错误。
有人可以帮帮我吗？谢谢！
CustomGalleryActivity，显示手机上的所有照片：
public class CustomGalleryActivity extends Activity {
GridView gridGallery;
Handler handler;
GalleryAdapter adapter;
ImageView imgNoMedia;
Button btnGalleryOk;
String action;
private ImageLoader imageLoader;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_NO_TITLE);
setContentView(R.layout.gallery);
action = getIntent().getAction();
if (action == null) {
finish();
}
initImageLoader();
init();
}
private void initImageLoader() {
try {
String CACHE_DIR = Environment.getExternalStorageDirectory()
.getAbsolutePath() + "/.temp_tmp";
new File(CACHE_DIR).mkdirs();
File cacheDir = StorageUtils.getOwnCacheDirectory(getBaseContext(),
CACHE_DIR);
DisplayImageOptions defaultOptions = new DisplayImageOptions.Builder()
.imageScaleType(ImageScaleType.EXACTLY)
.bitmapConfig(Bitmap.Config.RGB_565)
.cacheInMemory(false)
.cacheOnDisk(true)
.considerExifParams(true)
.build();
ImageLoaderConfiguration.Builder builder = new ImageLoaderConfiguration.Builder(getBaseContext())
.threadPriority(Thread.NORM_PRIORITY - 2)
.denyCacheImageMultipleSizesInMemory()
.defaultDisplayImageOptions(defaultOptions)
.discCache(new UnlimitedDiscCache(cacheDir))
.tasksProcessingOrder(QueueProcessingType.LIFO);
//.memoryCache(new WeakMemoryCache());
L.writeLogs(false);
ImageLoaderConfiguration config = builder.build();
imageLoader = ImageLoader.getInstance();
imageLoader.destroy();
imageLoader.init(config);
} catch (Exception e) {
}
}
private void init() {
handler = new Handler();
gridGallery = (GridView) findViewById(R.id.gridGallery);
gridGallery.setFastScrollEnabled(true);
adapter = new GalleryAdapter(getApplicationContext(), imageLoader);
PauseOnScrollListener listener = new PauseOnScrollListener(imageLoader,
true, true);
gridGallery.setOnScrollListener(listener);
if (action.equalsIgnoreCase(Action.ACTION_MULTIPLE_PICK)) {
findViewById(R.id.llBottomContainer).setVisibility(View.VISIBLE);
gridGallery.setOnItemClickListener(mItemMulClickListener);
adapter.setMultiplePick(true);
} else if (action.equalsIgnoreCase(Action.ACTION_PICK)) {
findViewById(R.id.llBottomContainer).setVisibility(View.GONE);
gridGallery.setOnItemClickListener(mItemSingleClickListener);
adapter.setMultiplePick(false);
}
gridGallery.setAdapter(adapter);
imgNoMedia = (ImageView) findViewById(R.id.imgNoMedia);
btnGalleryOk = (Button) findViewById(R.id.btnGalleryOk);
btnGalleryOk.setOnClickListener(mOkClickListener);
new Thread() {
@Override
public void run() {
Looper.prepare();
handler.post(new Runnable() {
@Override
public void run() {
adapter.addAll(getGalleryPhotos());
checkImageStatus();
}
});
Looper.loop();
};
}.start();
}
private void checkImageStatus() {
if (adapter.isEmpty()) {
imgNoMedia.setVisibility(View.VISIBLE);
} else {
imgNoMedia.setVisibility(View.GONE);
}
}
View.OnClickListener mOkClickListener = new View.OnClickListener() {
@Override
public void onClick(View v) {
ArrayList<CustomGallery> selected = adapter.getSelected();
String[] allPath = new String[selected.size()];
for (int i = 0; i < allPath.length; i++) {
allPath[i] = selected.get(i).sdcardPath;
}
Intent data = new Intent().putExtra("all_path", allPath);
setResult(RESULT_OK, data);
finish();
}
};
AdapterView.OnItemClickListener mItemMulClickListener = new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> l, View v, int position, long id) {
//adapter.changeSelection(v, position);
if (adapter.getSelected().size() >= 15) {
Toast.makeText(getApplicationContext(), "Max. 15 de poze pot fi selectate o data!", Toast.LENGTH_LONG).show();
} else {
adapter.changeSelection(v, position);
}
}
};
AdapterView.OnItemClickListener mItemSingleClickListener = new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> l, View v, int position, long id) {
CustomGallery item = adapter.getItem(position);
Intent data = new Intent().putExtra("single_path", item.sdcardPath);
setResult(RESULT_OK, data);
finish();
}
};
private ArrayList<CustomGallery> getGalleryPhotos() {
ArrayList<CustomGallery> galleryList = new ArrayList<CustomGallery>();
try {
final String[] columns = { MediaStore.Images.Media.DATA,
MediaStore.Images.Media._ID };
final String orderBy = MediaStore.Images.Media._ID;
@SuppressWarnings("deprecation")
Cursor imagecursor = managedQuery(
MediaStore.Images.Media.EXTERNAL_CONTENT_URI, columns,
null, null, orderBy);
if (imagecursor != null && imagecursor.getCount() > 0) {
while (imagecursor.moveToNext()) {
CustomGallery item = new CustomGallery();
int dataColumnIndex = imagecursor
.getColumnIndex(MediaStore.Images.Media.DATA);
item.sdcardPath = imagecursor.getString(dataColumnIndex);
galleryList.add(item);
}
}
} catch (Exception e) {
e.printStackTrace();
}
// show newest photo at beginning of the list
Collections.reverse(galleryList);
return galleryList;
}
}
及其CustomAdapter：
public class GalleryAdapter extends BaseAdapter {
private Context mContext;
private LayoutInflater infalter;
private ArrayList<CustomGallery> data = new ArrayList<CustomGallery>();
ImageLoader imageLoader;
private boolean isActionMultiplePick;
public GalleryAdapter(Context c, ImageLoader imageLoader) {
infalter = (LayoutInflater) c
.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
mContext = c;
this.imageLoader = imageLoader;
// clearCache();
}
@Override
public int getCount() {
return data.size();
}
@Override
public CustomGallery getItem(int position) {
return data.get(position);
}
@Override
public long getItemId(int position) {
return position;
}
public void setMultiplePick(boolean isMultiplePick) {
this.isActionMultiplePick = isMultiplePick;
}
public void selectAll(boolean selection) {
for (int i = 0; i < data.size(); i++) {
data.get(i).isSeleted = selection;
}
notifyDataSetChanged();
}
public boolean isAllSelected() {
boolean isAllSelected = true;
for (int i = 0; i < data.size(); i++) {
if (!data.get(i).isSeleted) {
isAllSelected = false;
break;
}
}
return isAllSelected;
}
public boolean isAnySelected() {
boolean isAnySelected = false;
for (int i = 0; i < data.size(); i++) {
if (data.get(i).isSeleted) {
isAnySelected = true;
break;
}
}
return isAnySelected;
}
public ArrayList<CustomGallery> getSelected() {
ArrayList<CustomGallery> dataT = new ArrayList<CustomGallery>();
for (int i = 0; i < data.size(); i++) {
if (data.get(i).isSeleted) {
dataT.add(data.get(i));
}
}
return dataT;
}
public void addAll(ArrayList<CustomGallery> files) {
try {
this.data.clear();
this.data.addAll(files);
} catch (Exception e) {
e.printStackTrace();
}
notifyDataSetChanged();
}
public void changeSelection(View v, int position) {
if (data.get(position).isSeleted) {
data.get(position).isSeleted = false;
} else {
data.get(position).isSeleted = true;
}
((ViewHolder) v.getTag()).imgQueueMultiSelected.setSelected(data
.get(position).isSeleted);
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
final ViewHolder holder;
if (convertView == null) {
convertView = infalter.inflate(R.layout.gallery_item, null);
holder = new ViewHolder();
holder.imgQueue = (ImageView) convertView
.findViewById(R.id.imgQueue);
holder.imgQueueMultiSelected = (ImageView) convertView
.findViewById(R.id.imgQueueMultiSelected);
if (isActionMultiplePick) {
holder.imgQueueMultiSelected.setVisibility(View.VISIBLE);
} else {
holder.imgQueueMultiSelected.setVisibility(View.GONE);
}
convertView.setTag(holder);
} else {
holder = (ViewHolder) convertView.getTag();
}
holder.imgQueue.setTag(position);
try {
imageLoader.displayImage("file://" + data.get(position).sdcardPath,
holder.imgQueue, new SimpleImageLoadingListener() {
@Override
public void onLoadingStarted(String imageUri, View view) {
holder.imgQueue.setImageResource(R.drawable.no_media);
super.onLoadingStarted(imageUri, view);
}
});
if (isActionMultiplePick) {
holder.imgQueueMultiSelected
.setSelected(data.get(position).isSeleted);
}
} catch (Exception e) {
e.printStackTrace();
}
return convertView;
}
public class ViewHolder {
ImageView imgQueue;
ImageView imgQueueMultiSelected;
}
public void clearCache() {
imageLoader.clearDiscCache();
imageLoader.clearMemoryCache();
}
public void clear() {
data.clear();
notifyDataSetChanged();
}
}