如何解决java.lang.OutOfMemoryError麻烦的Andr​​oid [英] How to solve java.lang.OutOfMemoryError trouble in Android

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问题描述

Altough我在绘制文件夹的体积非常小的形象,我收到来自用户的这个错误。而且我不使用在code任何位图的功能。至少有故意:)

Altough I have very small size image in drawable folder, I am getting this error from users. And I am not using any bitmap function in code. At least intentionally :)

java.lang.OutOfMemoryError
    at android.graphics.BitmapFactory.nativeDecodeAsset(Native Method)
    at android.graphics.BitmapFactory.decodeStream(BitmapFactory.java:683)
    at android.graphics.BitmapFactory.decodeResourceStream(BitmapFactory.java:513)
    at android.graphics.drawable.Drawable.createFromResourceStream(Drawable.java:889)
    at android.content.res.Resources.loadDrawable(Resources.java:3436)
    at android.content.res.Resources.getDrawable(Resources.java:1909)
    at android.view.View.setBackgroundResource(View.java:16251)
    at com.autkusoytas.bilbakalim.SoruEkrani.cevapSecimi(SoruEkrani.java:666)
    at com.autkusoytas.bilbakalim.SoruEkrani$9$1.run(SoruEkrani.java:862)
    at android.os.Handler.handleCallback(Handler.java:733)
    at android.os.Handler.dispatchMessage(Handler.java:95)
    at android.os.Looper.loop(Looper.java:146)
    at android.app.ActivityThread.main(ActivityThread.java:5602)
    at java.lang.reflect.Method.invokeNative(Native Method)
    at java.lang.reflect.Method.invoke(Method.java:515)
    at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1283)
    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1099)
    at dalvik.system.NativeStart.main(Native Method)

根据这个堆栈跟踪,我在这行开始报这个错误('电视'是一个TextView):

According to this stackTrace I'm gettin this error at this line ('tv' is a textView):

tv.setBackgroundResource(R.drawable.yanlis);

这是什么问题?如果您需要了解code其他的一些信息,我可以添加它。 谢谢!

What is the problem? If you need some other information about code, I can add it. Thanks!

推荐答案

您不能动态地增加堆大小,但你可以要求通过使用较多。

You can't increase the heap size dynamically but you can request to use more by using.

android:largeHeap="true"

的manifest.xml

此外,您还可以使用本机内存( NDK &放大器;的 JNI ),所以你实际上绕过堆的大小限制。

Also, you can use native memory (NDK & JNI), so you actually bypass the heap size limitation.

下面是一些帖子做这件事:

Here are some posts made about it:

<一个href="http://stackoverflow.com/questions/18250951/jni-bitmap-operations-for-helping-to-avoid-oom-when-using-large-images">JNI位图操作,帮助用

和这里是为它做了一个库:

and here's a library made for it:

  • <一个href="https://github.com/AndroidDeveloperLB/AndroidJniBitmapOperations">https://github.com/AndroidDeveloperLB/AndroidJniBitmapOperations

这篇关于如何解决java.lang.OutOfMemoryError麻烦的Andr​​oid的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!

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