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有人可以发布使用位图属性的android画廊示例。我是新手，所以无法弄清楚它是如何工作的。我有没有位图的画廊，这会导致内存错误。请发布不会导致内存错误的示例

错误日志是

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)
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2 回答 2

1

要修复 OutOfMemory，您应该执行以下操作：

BitmapFactory.Options options=new BitmapFactory.Options();
options.inSampleSize = 8;
Bitmap preview_bitmap=BitmapFactory.decodeStream(is,null,options);

也看到这个

https://stackoverflow.com/a/823966/985143

于 2012-05-14T14:59:13.653 回答
0

查看开发者网站上添加的这个新资源：http: //developer.android.com/training/displaying-bitmaps/index.html（查看屏幕右侧的示例项目）

于 2012-05-16T10:39:29.960 回答