[原][Android]All WebView methods must be called on the same thread.

浏览数：43 / 时间：2015年06月11日

问题

webView调用JS出错。

   class TestJS {
       ......
       public TestJS(){
       }

       public void save(String data){
           webView.loadUrl("javascript: alert(" + data +")");
       }
       ......
   }

   W/WebView(2088): java.lang.Throwable: A WebView method was called on thread ‘JavaBridge‘. All WebView methods must be called on the same thread. (Expected Looper Looper (main, tid 1) {b3dbcb18} called on Looper (JavaBridge, tid 120) {b44a1af8}, FYI main Looper is Looper (main, tid 1) {b3dbcb18})
   W/WebView(2088):    at android.webkit.WebView.checkThread(WebView.java:2063)
   W/WebView(2088):    at android.webkit.WebView.loadUrl(WebView.java:794)
   W/WebView(2088):    at com.ue.oa.activity.XFormActivity.alert(XFormActivity.java:180)
   W/WebView(2088):    at com.ue.oa.activity.XFormActivity$FormActions.save(XFormActivity.java:193)
   W/WebView(2088):    at com.android.org.chromium.base.SystemMessageHandler.nativeDoRunLoopOnce(Native Method)
   W/WebView(2088):    at com.android.org.chromium.base.SystemMessageHandler.handleMessage(SystemMessageHandler.java:27)
   W/WebView(2088):    at android.os.Handler.dispatchMessage(Handler.java:102)
   W/WebView(2088):    at android.os.Looper.loop(Looper.java:136)
   W/WebView(2088):    at android.os.HandlerThread.run(HandlerThread.java:61)

解决

将save方法修改为:

   public void save(String data){
       webView.post(new Runnable() {
           @Override
           public void run() {
               webView.loadUrl("javascript: alert(" + data +")");
           }
       });
   }

【Reference】
[1] 《android webview.loadUrl won‘t load another webpage》 : http://stackoverflow.com/questions/21955593/android-webview-loadurl-wont-load-another-webpage

[原][Android]All WebView methods must be called on the same thread.,,5-wow.com

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[原][Android]All WebView methods must be called on the same thread.