我想显示的位图图像在ImageView从sd卡已经存储。运行后,我的应用程序是崩溃和得到OutOfMemoryError错误:

(. lang。OutOfMemoryError:未能分配23970828字节分配,2097152空闲字节和2MB直到OOM)

我不知道为什么它没有记忆。我觉得我的图片太大了,所以我试着改变它。

Iterator<String> it = imageArray.iterator();
while (it.hasNext()) {
  Object element = it.next();
  String objElement = element.toString();
  Log.e("objElement ", " = " + objElement);
  final ImageView imageView = new ImageView (getContext());
  final ProgressBar pBar = new ProgressBar(getContext(), null, 
                                           android.R.attr.progressBarStyleSmall);
  imageView.setTag(it);
  pBar.setTag(it);

  imageView.setImageResource(R.drawable.img_placeholder);
  pBar.setVisibility(View.VISIBLE);

  if (objElement.endsWith(mp3_Pattern)) {
     Log.e("Mp3 ", " ends with ");
     pBar.setVisibility(View.GONE);
     imageView.setImageResource(R.drawable.audio_control);
  }
  if (objElement.endsWith(png_Pattern)) {
     Bitmap bitmap = BitmapFactory.decodeFile(objElement);
     int size = Math.min(bitmap.getWidth(), bitmap.getHeight());
     int x = (bitmap.getWidth() - size) / 2;
     int y = (bitmap.getHeight() - size) / 2;
     Bitmap bitmap_Resul = Bitmap.createBitmap(bitmap, x, y, size, size);
     Log.e("bitmap_Resul "," = "+ bitmap_Resul);

     if (bitmap_Resul != bitmap) {
        bitmap.recycle();
     }
     imageView.setImageBitmap(bitmap_Resul);
     Log.e("png_Pattern ", " ends with ");
     Log.e(" bitmap "," = " + bitmap);
  }

  holder.linearLayout.addView(imageView);
  holder.linearLayout.addView(pBar);

日志猫信息:

08-27 14:11:15.307    1857-1857/? E/AndroidRuntime﹕ FATAL EXCEPTION: main
    Process: com.example.tazeen.classnkk, PID: 1857
    java.lang.OutOfMemoryError: Failed to allocate a 23970828 byte allocation with 2097152 free bytes and 2MB until OOM
            at dalvik.system.VMRuntime.newNonMovableArray(Native Method)
            at android.graphics.Bitmap.nativeCreate(Native Method)
            at android.graphics.Bitmap.createBitmap(Bitmap.java:812)
            at android.graphics.Bitmap.createBitmap(Bitmap.java:789)
            at android.graphics.Bitmap.createBitmap(Bitmap.java:709)
            at android.graphics.Bitmap.createBitmap(Bitmap.java:634)
            at com.example.tazeen.classnkk.AllPosts_Page$MyListAdapter.getView(AllPosts_Page.java:357)
            at android.widget.AbsListView.obtainView(AbsListView.java:2347)
            at android.widget.ListView.makeAndAddView(ListView.java:1864)
            at android.widget.ListView.fillDown(ListView.java:698)
            at android.widget.ListView.fillFromTop(ListView.java:759)
            at android.widget.ListView.layoutChildren(ListView.java:1659)
            at android.widget.AbsListView.onLayout(AbsListView.java:2151)
            at android.view.View.layout(View.java:15671)
            at android.view.ViewGroup.layout(ViewGroup.java:5038)
            at android.widget.LinearLayout.setChildFrame(LinearLayout.java:1703)
            at android.widget.LinearLayout.layoutVertical(LinearLayout.java:1557)
            at android.widget.LinearLayout.onLayout(LinearLayout.java:1466)
            at android.view.View.layout(View.java:15671)
            at android.view.ViewGroup.layout(ViewGroup.java:5038)
            at android.widget.FrameLayout.layoutChildren(FrameLayout.java:579)
            at android.widget.FrameLayout.onLayout(FrameLayout.java:514)
            at android.view.View.layout(View.java:15671)
            at android.view.ViewGroup.layout(ViewGroup.java:5038)
            at android.widget.LinearLayout.setChildFrame(LinearLayout.java:1703)
            at android.widget.LinearLayout.layoutVertical(LinearLayout.java:1557)
            at android.widget.LinearLayout.onLayout(LinearLayout.java:1466)
            at android.view.View.layout(View.java:15671)
            at android.view.ViewGroup.layout(ViewGroup.java:5038)
            at android.widget.FrameLayout.layoutChildren(FrameLayout.java:579)
            at android.widget.FrameLayout.onLayout(FrameLayout.java:514)
            at android.view.View.layout(View.java:15671)
            at android.view.ViewGroup.layout(ViewGroup.java:5038)
            at android.view.ViewRootImpl.performLayout(ViewRootImpl.java:2086)
            at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1843)
            at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1061)
            at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:5885)
            at android.view.Choreographer$CallbackRecord.run(Choreographer.java:767)
            at android.view.Choreographer.doCallbacks(Choreographer.java:580)
            at android.view.Choreographer.doFrame(Choreographer.java:550)
            at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:753)
            at android.os.Handler.handleCallback(Handler.java:739)
            at android.os.Handler.dispatchMessage(Handler.java:95)
            at android.os.Looper.loop(Looper.java:135)
            at android.app.ActivityThread.main(ActivityThread.java:5257)
            at java.lang.reflect.Method.invoke(Native Method)
            at java.lang.reflect.Method.invoke(Method.java:372)
            at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:903)
            at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:698)

当前回答

I suppose you want to use this image as an icon. As Android is telling you, your image is too large. What you just need to do is scale your image so that Android knows which size of the image to use and when according to screen resolution. To accomplish this, in Android Studio: 1. right click on the res folder, 2. select Image Asset 3. Select icon Type 4. Give the icon a name 5. Select Image on Asset Type 6. Trim your image Click next and finish. In your xml or source code just refer to the image which will now be located either in the layout or mipmap folder according to asset type selected. The error will go away.

其他回答

使用滑动库和覆盖大小,以减少大小;

Glide.with(mContext).load(imgID).asBitmap().override(1080, 600).into(mImageView);

如果上传图片,请尝试降低图片质量,这是位图的第二个参数。这就是我案例中的解。以前是90,然后我尝试了60(正如下面的代码所示)。

Bitmap yourSelectedImage = BitmapFactory.decodeStream(imageStream);
ByteArrayOutputStream baos = new ByteArrayOutputStream();
finalBitmap.compress(Bitmap.CompressFormat.JPEG,60,baos);
byte[] b = baos.toByteArray();

你试过把这个加到你的申请清单里吗?android: largeHeap = " true "吗?

像这样

  <application
      android:name=".ParaseApplication"
      android:allowBackup="true"
      android:icon="@mipmap/ic_launcher"
      android:label="@string/app_name"
      android:theme="@style/AppTheme"
      android:largeHeap="true" >

问题:在16777120中分配37748748字节分配失败 释放字节和17MB直到OOM

解决方案: 1.打开舱单文件 2. 在应用程序标签中只需添加下面两行

 android:hardwareAccelerated="false"
 android:largeHeap="true"

例子:

 <application
        android:allowBackup="true"
        android:hardwareAccelerated="false"
        android:largeHeap="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:roundIcon="@mipmap/ic_launcher_round"
        android:supportsRtl="true"
        android:theme="@style/AppTheme">

把这个加到申请舱单上?android: largeHeap = " true "