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

我得到了下面的错误

"E/art: throws OutOfMemoryError "分配47251468字节失败 分配16777120个空闲字节和23MB直到OOM"

在AndroidManifest.xml中添加android:largeHeap="true"后,我消除了所有错误

<application
    android:allowBackup="true"
    android:icon="@mipmap/guruji"
    android:label="@string/app_name"
    android:supportsRtl="true"
    android:largeHeap="true"
    android:theme="@style/AppTheme">

其他回答

你的应用程序崩溃,因为你的图像大小(MB或KB)太大了,所以它没有分配空间。所以在将图像粘贴到drawable中之前,减小大小。

OR

您可以在Manifest.xml的应用程序标签中添加Following

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

添加此应用程序后不会崩溃。

在应用程序中总是使用较小尺寸的图像。 如果你在应用程序中添加大尺寸的图像,你应该添加以上syntex,但应用程序大小将增加。

我也有这个问题。

和上面大多数人一样。 这个问题是由巨大的形象造成的。

只是调整一些图像的大小, 而且不需要更改任何代码。

I have found that images in the 'drawable' folder will get converted to a much larger image on high def phones. For example, a 200k image will be resampled to a higher res, like 800k or 32000k. I had to discover this on my own and to date have not seen documentation for this heap memory trap. To prevent this I put everything in a drawable-nodpi folder (in addition to using 'options' in BitmapFactory based on the particular device heap). I can't afford to have the size of my app bloated with multiple drawable folders, particularly as the range of screen defs is so vast now. The tricky thing is studio now doesn't specifically indicate the 'drawable-nodpi' folder as such in the project view, it just shows a 'drawable' folder. If you're not careful, when you drop an image to this folder in studio, it won't actually get dropped into the drawable-nodpi:

Careful here 'backgroundtest' did not actually go to drawable-nodpi and will 
be resampled higher, such as 4x or 16x of the original dimensions for high def screens.

一定要单击对话框中的nodpi文件夹,因为项目视图不会像以前那样分别显示所有可绘制的文件夹,所以不会立即显示到错误的文件夹。在我很久以前删除了它之后,Studio在某个时候为我重新创建了香草“可绘制”:

我得到了下面的错误

"E/art: throws OutOfMemoryError "分配47251468字节失败 分配16777120个空闲字节和23MB直到OOM"

在AndroidManifest.xml中添加android:largeHeap="true"后,我消除了所有错误

<application
    android:allowBackup="true"
    android:icon="@mipmap/guruji"
    android:label="@string/app_name"
    android:supportsRtl="true"
    android:largeHeap="true"
    android:theme="@style/AppTheme">

对我来说,问题是我的.png文件被解压缩成内存中的一个非常大的位图,因为图像的维度非常大(尽管文件大小很小)。

所以修复是简单地调整图像的大小:)