Android: couldn't save which view has focus because the focused view

  次阅读 来源:互联网(转载协议) 2016-01-14 12:37 我要评论(0)

Android: couldn't save which view has focus because the focused view ### has no id

可能引起原因有两种,对应解决方法如下:

解决方案一:

<application

android:icon="@drawable/icon" android:label="@string/app_name" >

<activity

android:label="@string/app_name"

android:configChanges="orientation|keyboardHidden|keyboard|screenLayout"

android:name=".Main" >

<intent-filter >

<action android:name="android.intent.action.MAIN" />

<category android:name="android.intent.category.LAUNCHER" />

</intent-filter>

</activity>

</application>

解决方案二:

What probably happened is that you created a thread in the surfaceCreated() method but didn t stop it or get rid of it in the surfaceDestroy() method.

When you didn t give a theme for the preferences, it took over the whole screen and your old surface was destroyed. But when you specified a dialog-like theme, the old surface was still there because it was visible underneath the preferences.

public void surfaceCreated(SurfaceHolder holder)

{

if (_thread == null || _thread.getState() == Thread.State.TERMINATED)

{

_thread = new TutorialThread(getHolder(), this);

_thread.setRunning(true);

_thread.start();

}

else

{

_thread.setRunning(true);

_thread.start();

}

}

This solved the problem for me, a thread s start method cannot be called twice, so I had to reallocate

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