執行上述代碼。

在App中點擊”變透明“的按鈕后，App就退出了。

logcat中打印了這個錯：

03-20 14:47:31.326 11640-11796/com.example.cy.myapplication E/AndroidRuntime: FATAL EXCEPTION: Thread-15651

03-20 14:47:31.326 11640-11796/com.example.cy.myapplication E/AndroidRuntime: Process: com.example.cy.myapplication, PID: 11640

03-20 14:47:31.326 11640-11796/com.example.cy.myapplication E/AndroidRuntime: android.view.ViewRootImpl$CalledFromWrongThreadException: Only the original thread that created a view hierarchy can touch its views.

03-20 14:47:31.326 11640-11796/com.example.cy.myapplication E/AndroidRuntime: ? ? at android.view.ViewRootImpl.checkThread(ViewRootImpl.java:6090)

03-20 14:47:31.326 11640-11796/com.example.cy.myapplication E/AndroidRuntime: ? ? at android.view.ViewRootImpl.requestLayout(ViewRootImpl.java:879)

03-20 14:47:31.326 11640-11796/com.example.cy.myapplication E/AndroidRuntime: ? ? at android.view.View.requestLayout(View.java:16463)

03-20 14:47:31.326 11640-11796/com.example.cy.myapplication E/AndroidRuntime: ? ? at android.view.View.setLayoutParams(View.java:10593)

03-20 14:47:31.326 11640-11796/com.example.cy.myapplication E/AndroidRuntime: ? ? at android.view.WindowManagerGlobal.updateViewLayout(WindowManagerGlobal.java:292)

03-20 14:47:31.326 11640-11796/com.example.cy.myapplication E/AndroidRuntime: ? ? at android.view.WindowManagerImpl.updateViewLayout(WindowManagerImpl.java:74)

03-20 14:47:31.326 11640-11796/com.example.cy.myapplication E/AndroidRuntime: ? ? at android.app.Activity.onWindowAttributesChanged(Activity.java:2347)

03-20 14:47:31.326 11640-11796/com.example.cy.myapplication E/AndroidRuntime: ? ? at android.support.v7.internal.view.WindowCallbackWrapper.onWindowAttributesChanged(WindowCallbackWrapper.java:105)

03-20 14:47:31.326 11640-11796/com.example.cy.myapplication E/AndroidRuntime: ? ? at android.view.Window.setAttributes(Window.java:847)

03-20 14:47:31.326 11640-11796/com.example.cy.myapplication E/AndroidRuntime: ? ? at com.example.cy.myapplication.MainActivity$1.run(MainActivity.java:78)

03-20 14:47:31.326 11640-11796/com.example.cy.myapplication E/AndroidRuntime: ? ? at java.lang.Thread.run(Thread.java:841)

總結

以上是生活随笔為你收集整理的java 更新ui_你怎么解决Android开发中更新UI报错的异常吗-百度经验的全部內容，希望文章能夠幫你解決所遇到的問題。

如果覺得生活随笔網站內容還不錯，歡迎將生活随笔推薦給好友。