如下是我的异常信息：
05-14 15:33:25.336: E/AndroidRuntime(563): FATAL EXCEPTION: main 05-14 15:33:25.336: E/AndroidRuntime(563): java.lang.OutOfMemoryError 05-14 15:33:25.336: E/AndroidRuntime(563): at android.graphics.BitmapFactory.nativeDecodeAsset(Native Method) 05-14 15:33:25.336: E/AndroidRuntime(563): at android.graphics.BitmapFactory.decodeStream(BitmapFactory.java:483) 05-14 15:33:25.336: E/AndroidRuntime(563): at android.graphics.BitmapFactory.decodeResourceStream(BitmapFactory.java:351) 05-14 15:33:25.336: E/AndroidRuntime(563): at android.graphics.drawable.Drawable.createFromResourceStream(Drawable.java:773) 05-14 15:33:25.336: E/AndroidRuntime(563): at android.content.res.Resources.loadDrawable(Resources.java:1937) 05-14 15:33:25.336: E/AndroidRuntime(563): at android.content.res.Resources.getDrawable(Resources.java:664) 05-14 15:33:25.336: E/AndroidRuntime(563): at android.widget.ImageView.resolveUri(ImageView.java:542) 05-14 15:33:25.336: E/AndroidRuntime(563): at android.widget.ImageView.setImageResource(ImageView.java:315) 05-14 15:33:25.336: E/AndroidRuntime(563): at com.hospital.ImageAdapter.getView(ImageAdapter.java:46) 05-14 15:33:25.336: E/AndroidRuntime(563): at android.widget.Gallery.makeAndAddView(Gallery.java:844) 05-14 15:33:25.336: E/AndroidRuntime(563): at android.widget.Gallery.fillToGalleryRightLtr(Gallery.java:798) 05-14 15:33:25.336: E/AndroidRuntime(563): at android.widget.Gallery.fillToGalleryRight(Gallery.java:742) 05-14 15:33:25.336: E/AndroidRuntime(563): at android.widget.Gallery.layout(Gallery.java:651) 05-14 15:33:25.336: E/AndroidRuntime(563): at android.widget.Gallery.onLayout(Gallery.java:346) 05-14 15:33:25.336: E/AndroidRuntime(563): at android.view.View.layout(View.java:11278) 05-14 15:33:25.336: E/AndroidRuntime(563): at android.view.ViewGroup.layout(ViewGroup.java:4224) 05-14 15:33:25.336: E/AndroidRuntime(563): at android.widget.LinearLayout.setChildFrame(LinearLayout.java:1628) 05-14 15:33:25.336: E/AndroidRuntime(563): at android.widget.LinearLayout.layoutVertical(LinearLayout.java:1486) 05-14 15:33:25.336: E/AndroidRuntime(563): at android.widget.LinearLayout.onLayout(LinearLayout.java:1399) 05-14 15:33:25.336: E/AndroidRuntime(563): at android.view.View.layout(View.java:11278) 05-14 15:33:25.336: E/AndroidRuntime(563): at android.view.ViewGroup.layout(ViewGroup.java:4224) 05-14 15:33:25.336: E/AndroidRuntime(563): at android.widget.FrameLayout.onLayout(FrameLayout.java:431) 05-14 15:33:25.336: E/AndroidRuntime(563): at android.view.View.layout(View.java:11278) 05-14 15:33:25.336: E/AndroidRuntime(563): at android.view.ViewGroup.layout(ViewGroup.java:4224) 05-14 15:33:25.336: E/AndroidRuntime(563): at android.widget.LinearLayout.setChildFrame(LinearLayout.java:1628) 05-14 15:33:25.336: E/AndroidRuntime(563): at android.widget.LinearLayout.layoutVertical(LinearLayout.java:1486) 05-14 15:33:25.336: E/AndroidRuntime(563): at android.widget.LinearLayout.onLayout(LinearLayout.java:1399) 05-14 15:33:25.336: E/AndroidRuntime(563): at android.view.View.layout(View.java:11278) 05-14 15:33:25.336: E/AndroidRuntime(563): at android.view.ViewGroup.layout(ViewGroup.java:4224) 05-14 15:33:25.336: E/AndroidRuntime(563): at android.widget.FrameLayout.onLayout(FrameLayout.java:431) 05-14 15:33:25.336: E/AndroidRuntime(563): at android.view.View.layout(View.java:11278) 05-14 15:33:25.336: E/AndroidRuntime(563): at android.view.ViewGroup.layout(ViewGroup.java:4224) 05-14 15:33:25.336: E/AndroidRuntime(563): at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1489) 05-14 15:33:25.336: E/AndroidRuntime(563): at android.view.ViewRootImpl.handleMessage(ViewRootImpl.java:2442) 05-14 15:33:25.336: E/AndroidRuntime(563): at android.os.Handler.dispatchMessage(Handler.java:99) 05-14 15:33:25.336: E/AndroidRuntime(563): at android.os.Looper.loop(Looper.java:137) 05-14 15:33:25.336: E/AndroidRuntime(563): at android.app.ActivityThread.main(ActivityThread.java:4424) 05-14 15:33:25.336: E/AndroidRuntime(563): at java.lang.reflect.Method.invokeNative(Native Method) 05-14 15:33:25.336: E/AndroidRuntime(563): at java.lang.reflect.Method.invoke(Method.java:511) 05-14 15:33:25.336: E/AndroidRuntime(563): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784) 05-14 15:33:25.336: E/AndroidRuntime(563): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551) 05-14 15:33:25.336: E/AndroidRuntime(563): at dalvik.system.NativeStart.main(Native Method)
要解决此问题，需要设置图片的质量，如下代码片段：
java BitmapFactory.Options options=new BitmapFactory.Options(); options.inSampleSize = 8; Bitmap preview_bitmap=BitmapFactory.decodeStream(is,null,options);