[Android] java.lang.RuntimeException: Can't create handler inside thread Thread[Thread-7,5,main] that has not called Looper.prepare()解決方法－葛瑞斯肯樂活筆記

Android的 onCreate中呼叫其他的執行緒，偶爾會出現下述錯誤:

java.lang.RuntimeException: Can't create handler inside thread Thread[Thread-7,5,main] that has not called Looper.prepare()

這時候只要在非主流程的執行緒中加入(粗體):

public void run(){
        Looper.prepare();
function()
        Looper.loop();
    }

就可以解決。

完整程式碼如下:

public class crawler extends Thread{
    public void run(){
        Looper.prepare();
function()
        Looper.loop();
    }

}

Reference:

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