我从服务器获取图像并在列表视图中设置它。问题是它在许多设备上都能正常工作，但在某些设备中，它会在首次下载时崩溃。
但是当我再次尝试时，它会毫无问题地打开。这是第一次出现内存不足错误。这个问题与编码有关还是与设备的堆内存有关？ 这是日志 -
07-19 16:22:04.050: E/image_url(14776): http://siliconsoftwares.in/real_json/uploads/property/agent/three hindustani/DSC_0145.jpg
07-19 16:22:04.060: E/AndroidRuntime(14776): FATAL EXCEPTION: AsyncTask #4
07-19 16:22:04.060: E/AndroidRuntime(14776): java.lang.RuntimeException: An error occured while executing doInBackground()
07-19 16:22:04.060: E/AndroidRuntime(14776): at android.os.AsyncTask$3.done(AsyncTask.java:299)
07-19 16:22:04.060: E/AndroidRuntime(14776): at java.util.concurrent.FutureTask$Sync.innerSetException(FutureTask.java:273)
07-19 16:22:04.060: E/AndroidRuntime(14776): at java.util.concurrent.FutureTask.setException(FutureTask.java:124)
07-19 16:22:04.060: E/AndroidRuntime(14776): at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:307)
07-19 16:22:04.060: E/AndroidRuntime(14776): at java.util.concurrent.FutureTask.run(FutureTask.java:137)
07-19 16:22:04.060: E/AndroidRuntime(14776): at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:230)
07-19 16:22:04.060: E/AndroidRuntime(14776): at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1076)
07-19 16:22:04.060: E/AndroidRuntime(14776): at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:569)
07-19 16:22:04.060: E/AndroidRuntime(14776): at java.lang.Thread.run(Thread.java:856)
07-19 16:22:04.060: E/AndroidRuntime(14776): Caused by: java.lang.OutOfMemoryError
07-19 16:22:04.060: E/AndroidRuntime(14776): at android.graphics.BitmapFactory.nativeDecodeStream(Native Method)
07-19 16:22:04.060: E/AndroidRuntime(14776): at android.graphics.BitmapFactory.decodeStream(BitmapFactory.java:527)
07-19 16:22:04.060: E/AndroidRuntime(14776): at android.graphics.BitmapFactory.decodeStream(BitmapFactory.java:599)
07-19 16:22:04.060: E/AndroidRuntime(14776): at com.example.realstate.FeaturedPropertiesActivity$ImageLoader.doInBackground(FeaturedPropertiesActivity.java:235)
07-19 16:22:04.060: E/AndroidRuntime(14776): at com.example.realstate.FeaturedPropertiesActivity$ImageLoader.doInBackground(FeaturedPropertiesActivity.java:1)
07-19 16:22:04.060: E/AndroidRuntime(14776): at android.os.AsyncTask$2.call(AsyncTask.java:287)
07-19 16:22:04.060: E/AndroidRuntime(14776): at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:305)
07-19 16:22:04.060: E/AndroidRuntime(14776): ... 5 more
07-19 16:22:04.630: E/WindowManager(14776): Activity com.example.realstate.FeaturedPropertiesActivity has leaked window com.android.internal.policy.impl.PhoneWindow$DecorView@4442ee10 that was originally added here
07-19 16:22:04.630: E/WindowManager(14776): android.view.WindowLeaked: Activity com.example.realstate.FeaturedPropertiesActivity has leaked window com.android.internal.policy.impl.PhoneWindow$DecorView@4442ee10 that was originally added here
07-19 16:22:04.630: E/WindowManager(14776): at android.view.ViewRootImpl.<init>(ViewRootImpl.java:374)
07-19 16:22:04.630: E/WindowManager(14776): at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:292)
07-19 16:22:04.630: E/WindowManager(14776): at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:224)
07-19 16:22:04.630: E/WindowManager(14776): at android.view.WindowManagerImpl$CompatModeWrapper.addView(WindowManagerImpl.java:149)
07-19 16:22:04.630: E/WindowManager(14776): at android.view.Window$LocalWindowManager.addView(Window.java:547)
07-19 16:22:04.630: E/WindowManager(14776): at android.app.Dialog.show(Dialog.java:277)
07-19 16:22:04.630: E/WindowManager(14776): at com.example.realstate.FeaturedPropertiesActivity$DownloadPropertiesList.onPreExecute(FeaturedPropertiesActivity.java:174)
07-19 16:22:04.630: E/WindowManager(14776): at android.os.AsyncTask.executeOnExecutor(AsyncTask.java:586)
07-19 16:22:04.630: E/WindowManager(14776): at android.os.AsyncTask.execute(AsyncTask.java:534)
07-19 16:22:04.630: E/WindowManager(14776): at com.example.realstate.FeaturedPropertiesActivity.downloadPropertiesList(FeaturedPropertiesActivity.java:98)
07-19 16:22:04.630: E/WindowManager(14776): at com.example.realstate.FeaturedPropertiesActivity.onCreate(FeaturedPropertiesActivity.java:62)
07-19 16:22:04.630: E/WindowManager(14776): at android.app.Activity.performCreate(Activity.java:5008)
07-19 16:22:04.630: E/WindowManager(14776): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1079)
07-19 16:22:04.630: E/WindowManager(14776): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2031)
07-19 16:22:04.630: E/WindowManager(14776): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2092)
07-19 16:22:04.630: E/WindowManager(14776): at android.app.ActivityThread.access$600(ActivityThread.java:133)
07-19 16:22:04.630: E/WindowManager(14776): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1203)
07-19 16:22:04.630: E/WindowManager(14776): at android.os.Handler.dispatchMessage(Handler.java:99)
07-19 16:22:04.630: E/WindowManager(14776): at android.os.Looper.loop(Looper.java:137)
07-19 16:22:04.630: E/WindowManager(14776): at android.app.ActivityThread.main(ActivityThread.java:4794)
07-19 16:22:04.630: E/WindowManager(14776): at java.lang.reflect.Method.invokeNative(Native Method)
07-19 16:22:04.630: E/WindowManager(14776): at java.lang.reflect.Method.invoke(Method.java:511)
07-19 16:22:04.630: E/WindowManager(14776): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:789)
07-19 16:22:04.630: E/WindowManager(14776): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:556)
07-19 16:22:04.630: E/WindowManager(14776): at dalvik.system.NativeStart.main(Native Method)
07-19 16:22:05.490: D/dalvikvm(14776): GC_FOR_ALLOC freed 121K, 8% free 43275K/46919K, paused 41ms, total 42ms
07-19 16:22:05.540: D/dalvikvm(14776): GC_BEFORE_OOM freed 17K, 8% free 43257K/46919K, paused 48ms, total 48ms
07-19 16:22:05.540: E/dalvikvm-heap(14776): Out of memory on a 21233680-byte allocation.