使用EditText时碰到的一个错误，调试信息如下：
02-10 10:31:58.832: E/AndroidRuntime(802): FATAL EXCEPTION: main 02-10 10:31:58.832: E/AndroidRuntime(802): Process: com.yulore.yellowpage, PID: 802 02-10 10:31:58.832: E/AndroidRuntime(802): java.lang.IllegalStateException: focus search returned a view that wasn't able to take focus! 02-10 10:31:58.832: E/AndroidRuntime(802): at android.widget.TextView.onKeyUp(TextView.java:5659) 02-10 10:31:58.832: E/AndroidRuntime(802): at android.view.KeyEvent.dispatch(KeyEvent.java:2664) 02-10 10:31:58.832: E/AndroidRuntime(802): at android.view.View.dispatchKeyEvent(View.java:7665) 02-10 10:31:58.832: E/AndroidRuntime(802): at android.view.ViewGroup.dispatchKeyEvent(ViewGroup.java:1408) 02-10 10:31:58.832: E/AndroidRuntime(802): at android.view.ViewGroup.dispatchKeyEvent(ViewGroup.java:1408) 02-10 10:31:58.832: E/AndroidRuntime(802): at android.view.ViewGroup.dispatchKeyEvent(ViewGroup.java:1408) 02-10 10:31:58.832: E/AndroidRuntime(802): at android.view.ViewGroup.dispatchKeyEvent(ViewGroup.java:1408) 02-10 10:31:58.832: E/AndroidRuntime(802): at android.view.ViewGroup.dispatchKeyEvent(ViewGroup.java:1408) 02-10 10:31:58.832: E/AndroidRuntime(802): at android.view.ViewGroup.dispatchKeyEvent(ViewGroup.java:1408) 02-10 10:31:58.832: E/AndroidRuntime(802): at com.android.internal.policy.impl.PhoneWindow$DecorView.superDispatchKeyEvent(PhoneWindow.java:2035) 02-10 10:31:58.832: E/AndroidRuntime(802): at com.android.internal.policy.impl.PhoneWindow.superDispatchKeyEvent(PhoneWindow.java:1505) 02-10 10:31:58.832: E/AndroidRuntime(802): at android.app.Activity.dispatchKeyEvent(Activity.java:2418) 02-10 10:31:58.832: E/AndroidRuntime(802): at com.android.internal.policy.impl.PhoneWindow$DecorView.dispatchKeyEvent(PhoneWindow.java:1962) 02-10 10:31:58.832: E/AndroidRuntime(802): at android.view.ViewRootImpl$ViewPostImeInputStage.processKeyEvent(ViewRootImpl.java:3852) 02-10 10:31:58.832: E/AndroidRuntime(802): at android.view.ViewRootImpl$ViewPostImeInputStage.onProcess(ViewRootImpl.java:3826) 02-10 10:31:58.832: E/AndroidRuntime(802): at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:3399) 02-10 10:31:58.832: E/AndroidRuntime(802): at android.view.ViewRootImpl$InputStage.onDeliverToNext(ViewRootImpl.java:3449) 02-10 10:31:58.832: E/AndroidRuntime(802): at android.view.ViewRootImpl$InputStage.forward(ViewRootImpl.java:3418) 02-10 10:31:58.832: E/AndroidRuntime(802): at android.view.ViewRootImpl$AsyncInputStage.forward(ViewRootImpl.java:3525) 02-10 10:31:58.832: E/AndroidRuntime(802): at android.view.ViewRootImpl$InputStage.apply(ViewRootImpl.java:3426) 02-10 10:31:58.832: E/AndroidRuntime(802): at android.view.ViewRootImpl$AsyncInputStage.apply(ViewRootImpl.java:3582) 02-10 10:31:58.832: E/AndroidRuntime(802): at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:3399) 02-10 10:31:58.832: E/AndroidRuntime(802): at android.view.ViewRootImpl$InputStage.onDeliverToNext(ViewRootImpl.java:3449) 02-10 10:31:58.832: E/AndroidRuntime(802): at android.view.ViewRootImpl$InputStage.forward(ViewRootImpl.java:3418) 02-10 10:31:58.832: E/AndroidRuntime(802): at android.view.ViewRootImpl$InputStage.apply(ViewRootImpl.java:3426) 02-10 10:31:58.832: E/AndroidRuntime(802): at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:3399) 02-10 10:31:58.832: E/AndroidRuntime(802): at android.view.ViewRootImpl.deliverInputEvent(ViewRootImpl.java:5602) 02-10 10:31:58.832: E/AndroidRuntime(802): at android.view.ViewRootImpl.doProcessInputEvents(ViewRootImpl.java:5582) 02-10 10:31:58.832: E/AndroidRuntime(802): at android.view.ViewRootImpl.enqueueInputEvent(ViewRootImpl.java:5553) 02-10 10:31:58.832: E/AndroidRuntime(802): at android.view.ViewRootImpl$ViewRootHandler.handleMessage(ViewRootImpl.java:3190) 02-10 10:31:58.832: E/AndroidRuntime(802): at android.os.Handler.dispatchMessage(Handler.java:102) 02-10 10:31:58.832: E/AndroidRuntime(802): at android.os.Looper.loop(Looper.java:136) 02-10 10:31:58.832: E/AndroidRuntime(802): at android.app.ActivityThread.main(ActivityThread.java:5017) 02-10 10:31:58.832: E/AndroidRuntime(802): at java.lang.reflect.Method.invokeNative(Native Method) 02-10 10:31:58.832: E/AndroidRuntime(802): at java.lang.reflect.Method.invoke(Method.java:515) 02-10 10:31:58.832: E/AndroidRuntime(802): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:779) 02-10 10:31:58.832: E/AndroidRuntime(802): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:595) 02-10 10:31:58.832: E/AndroidRuntime(802): at dalvik.system.NativeStart.main(Native Method) 02-10 10:31:58.
