我得到了一个TransactionTooLargeException。无法复制的。文件里说

The Binder transaction failed because it was too large. During a remote procedure call, the arguments and the return value of the call are transferred as Parcel objects stored in the Binder transaction buffer. If the arguments or the return value are too large to fit in the transaction buffer, then the call will fail and TransactionTooLargeException will be thrown. ... There are two possible outcomes when a remote procedure call throws TransactionTooLargeException. Either the client was unable to send its request to the service (most likely if the arguments were too large to fit in the transaction buffer), or the service was unable to send its response back to the client (most likely if the return value was too large to fit in the transaction buffer). ...

在某个地方,我传递或接收的参数超出了未知的限制。在哪里?

stacktrace没有显示任何有用的东西:

java.lang.RuntimeException: Adding window failed
at android.view.ViewRootImpl.setView(ViewRootImpl.java:548)
at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:406)
at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:320)
at android.view.WindowManagerImpl$CompatModeWrapper.addView(WindowManagerImpl.java:152)
at android.view.Window$LocalWindowManager.addView(Window.java:557)
at android.app.ActivityThread.handleResumeActivity(ActivityThread.java:2897)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2245)
at android.app.ActivityThread.access$600(ActivityThread.java:139)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1262)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:154)
at android.app.ActivityThread.main(ActivityThread.java:4977)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:511)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551)
at dalvik.system.NativeStart.main(Native Method)
Caused by: android.os.TransactionTooLargeException
at android.os.BinderProxy.transact(Native Method)
at android.view.IWindowSession$Stub$Proxy.add(IWindowSession.java:569)
at android.view.ViewRootImpl.setView(ViewRootImpl.java:538)
... 16 more
android.os.TransactionTooLargeException
at android.os.BinderProxy.transact(Native Method)
at android.view.IWindowSession$Stub$Proxy.add(IWindowSession.java:569)
at android.view.ViewRootImpl.setView(ViewRootImpl.java:538)
at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:406)
at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:320)
at android.view.WindowManagerImpl$CompatModeWrapper.addView(WindowManagerImpl.java:152)
at android.view.Window$LocalWindowManager.addView(Window.java:557)
at android.app.ActivityThread.handleResumeActivity(ActivityThread.java:2897)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2245)
at android.app.ActivityThread.access$600(ActivityThread.java:139)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1262)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:154)
at android.app.ActivityThread.main(ActivityThread.java:4977)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:511)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551)
at dalvik.system.NativeStart.main(Native Method)

这似乎和观点有关?这与远程过程调用有什么关系?

可能重要的是:Android版本:4.0.3,设备:HTC One X


当前回答

有时活动包括一些片段时,活动需要完全重新创建片段内容, 如果sportFragmentManager.fragments没有清晰的历史片段

    val fragments = sportFragmentManager.fragments
    val transaction = sportFragmentManager.beginTransaction()
    for (frag in fragments){
        transaction.remove(frag)
    }
    transaction.commitAllowingStateLoss()

几次重新创建片段活动将发生(调试使用tooLargeTool)

 W/ActivityStopInfo: Bundle stats:
 W/ActivityStopInfo:   android:viewHierarchyState [size=2304]
 W/ActivityStopInfo:     android:views [size=2256]
 W/ActivityStopInfo:   android:support:fragments [size=519072]
 W/ActivityStopInfo: PersistableBundle stats:
 W/ActivityStopInfo:   [null]

其他回答

我遇到了相同的问题与ViewPager2和FragmentStateAdapter这里的问题是FragmentStateAdapter标记'saveState()'作为最终和ViewPager2类也是最终的,所以我们不能覆盖的方法,建议在其他答案使现有的答案不适用。

在我的情况下,我能够摆脱事务太大的问题,不保存分页器的状态添加\android:saveEnabled="false" '在XML条目的视图分页器

<androidx.viewpager2.widget.ViewPager2
    android:saveEnabled="false"
    android:id="@+id/viewPager"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent" />

我也面临着这个问题的位图数据从一个活动传递到另一个,但我通过使我的数据作为静态数据的解决方案,这对我来说是完美的工作

在活动中首先:

public static Bitmap bitmap_image;

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_first);
   bitmap_image=mybitmap;
}

在第二个活动中:

 @Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_second);
   Bitmap mybitmap=first.bitmap_image;
}

对我来说,它也是FragmentStatePagerAdapter,然而覆盖saveState()不起作用。以下是我的解决方法:

当调用FragmentStatePagerAdapter构造函数时,在类中保持一个单独的片段列表,并添加一个方法来删除这些片段:

class PagerAdapter extends FragmentStatePagerAdapter {
    ArrayList<Fragment> items;

    PagerAdapter(ArrayList<Fragment> frags) {
        super(getFragmentManager()); //or getChildFragmentManager() or getSupportFragmentManager()
        this.items = new ArrayList<>();
        this.items.addAll(frags);
    }

    public void removeFragments() {
        Iterator<Fragment> iter = items.iterator();

        while (iter.hasNext()) {
            Fragment item = iter.next();
                getFragmentManager().beginTransaction().remove(item).commit();
                iter.remove();
            }
            notifyDataSetChanged();
        }
    }
    //...getItem() and etc methods...
}

然后在Activity中,保存ViewPager的位置,并在重写的onSaveInstanceState()方法中调用adapter.removeFragments():

private int pagerPosition;

@Override
public void onSaveInstanceState(Bundle outState) {
    super.onSaveInstanceState(outState);
    //save other view state here
    pagerPosition = mViewPager.getCurrentItem();
    adapter.removeFragments();
}

最后,在重写的onResume()方法中,如果适配器不为空,则重新实例化它。(如果它是空的,那么Activity是第一次被打开或应用程序被Android杀死后,onCreate将做适配器创建。)

@Override
public void onResume() {
    super.onResume();
    if (adapter != null) {
        adapter = new PagerAdapter(frags);
        mViewPager.setAdapter(adapter);
        mViewPager.setCurrentItem(currentTabPosition);
    }
}

在我的情况下,TransactionTooLargeException的原因是我在参数中发送大数据片段(使用Bundle),像这样:

        var arguments = Bundle()
        arguments.putSerializable("argumentName", argumentValue)
        fragment.arguments = arguments

只有当argumentValue的大小较小(例如Int或String)时,它才能正常工作, 但如果它有很大的大小(例如DTO列表)-你可以得到TransactionTooLargeException。 现在我在构造函数中传递参数给fragment,一切正常。

PS 感谢sulai提供TooLargeTool

当我试图bulkInsert一个大ContentValues[]时,我在我的syncadapter中得到了这个。我决定修改如下:

try {
    count = provider.bulkInsert(uri, contentValueses);
} catch (TransactionTooLarge e) {
    int half = contentValueses.length/2;
    count += provider.bulkInsert(uri, Arrays.copyOfRange(contentValueses, 0, half));
    count += provider.bulkInsert(uri, Arrays.copyOfRange(contentValueses, half, contentValueses.length));
}