相关疑难解决方法(0)

OnGlobalLayoutListener:弃用和兼容性

我必须使用一个OnGlobalLayoutListener对象,然后删除监听器,我有一个问题与我用以下代码解决的弃用方法.

protected void onCreate(Bundle savedInstanceState) {
    final LinearLayout llTotal = (LinearLayout) findViewById(R.id.mmc_ll);
    ViewTreeObserver vto = llTotal.getViewTreeObserver();
    if(vto.isAlive()){
        vto.addOnGlobalLayoutListener(new OnGlobalLayoutListener() {
            @Override
            public void onGlobalLayout() {
                //
                // mycode
                //
                if (Build.VERSION.SDK_INT<16) {
                    removeLayoutListenerPre16(llTotal.getViewTreeObserver(),this);
                } else {
                    removeLayoutListenerPost16(llTotal.getViewTreeObserver(), this);
                }
            } 
        });
    }
    super.onCreate(savedInstanceState);
}

@SuppressWarnings("deprecation")
private void removeLayoutListenerPre16(ViewTreeObserver observer, OnGlobalLayoutListener listener){
    observer.removeGlobalOnLayoutListener(listener);
}

@TargetApi(16)
private void removeLayoutListenerPost16(ViewTreeObserver observer, OnGlobalLayoutListener listener){
    observer.removeOnGlobalLayoutListener(listener);
}
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这是对的吗?有更好的方法来处理兼容性?

使用API​​ 10在模拟器中运行代码我在LogCat中有以下警告

04-24 09:30:12.565: I/dalvikvm(471): Could not find method android.view.ViewTreeObserver.removeOnGlobalLayoutListener, referenced from method com.my.project.ActivityHome.removeLayoutListenerPost16
04-24 …
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compatibility android deprecated

72
推荐指数
5
解决办法
4万
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android ×1

compatibility ×1

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