更新UI操作需要在主线程完成

来源：互联网发布：韩国制衣软件编辑：程序博客网时间：2024/04/30 20:53

04-01 14:55:33.526: E/AndroidRuntime(17238): android.view.ViewRootImpl$CalledFromWrongThreadException: Only the original thread that created a view hierarchy can touch its views.04-01 14:55:33.526: E/AndroidRuntime(17238): at android.view.ViewRootImpl.checkThread(ViewRootImpl.java:6795)04-01 14:55:33.526: E/AndroidRuntime(17238): at android.view.ViewRootImpl.invalidateChildInParent(ViewRootImpl.java:973)04-01 14:55:33.526: E/AndroidRuntime(17238): at android.view.ViewGroup.invalidateChild(ViewGroup.java:5100)04-01 14:55:33.526: E/AndroidRuntime(17238): at android.view.View.invalidateInternal(View.java:12817)04-01 14:55:33.526: E/AndroidRuntime(17238): at android.view.View.invalidate(View.java:12781)04-01 14:55:33.526: E/AndroidRuntime(17238): at android.view.View.invalidate(View.java:12765)04-01 14:55:33.526: E/AndroidRuntime(17238): at android.widget.TextView.checkForRelayout(TextView.java:7365)04-01 14:55:33.526: E/AndroidRuntime(17238): at android.widget.TextView.setText(TextView.java:4413)04-01 14:55:33.526: E/AndroidRuntime(17238): at android.widget.TextView.setText(TextView.java:4270)04-01 14:55:33.526: E/AndroidRuntime(17238): at android.widget.TextView.setText(TextView.java:4245)04-01 14:55:33.526: E/AndroidRuntime(17238): at com.cosw.tsm.sdk.test.ScanBlueDeviceActivity$3$1.run(ScanBlueDeviceActivity.java:96)04-01 14:55:33.526: E/AndroidRuntime(17238): at java.lang.Thread.run(Thread.java:833)

异常场景：

在用户点击刷新页面按钮之后，将之前的ListView中数据项清掉（具体代码如下），生成最新的数据项，此时在子线程中操作导致出现异常异常

deviceList.clear();singleDeviceAdapter.notifyDataSetChanged();

参考解决办法：Only the original thread that created a view hierarchy can touch its views——Handler的...

0 0