笔记

java.lang.RuntimeException Can't create handler inside thread that has not called Looper.prepare();

Android, 笔记

java.lang.RuntimeException: Can’t create handler inside thread that has not called Looper.prepare();

不要从UI线程外部访问Android UI

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Activity.runOnUiThread(Runnable)
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new Thread()
{
    public void run()
    {
        Activity.runOnUiThread(new runnable()
        {
            public void run()
            {
                //Do your UI operations like dialog opening or Toast here
            }
        });
    }
}.start();