您好，我已经开发了一个天气android应用程序来读取xml文件并在屏幕上显示它们，但是当我运行该应用程序时，此处崩溃是logcat:
03-26 11:07:27.454 2300-2300/synctc.me.stormy D/AndroidRuntime﹕ Shutting down VM
03-26 11:07:27.455 2300-2300/synctc.me.stormy E/AndroidRuntime﹕ FATAL EXCEPTION: main
Process: synctc.me.stormy, PID: 2300
java.lang.RuntimeException: Unable to start activity ComponentInfo{synctc.me.stormy/synctc.me.stormy.MainActivity}: java.lang.ClassCastException: android.widget.RelativeLayout cannot be cast to android.widget.TextView
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2298)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2360)
at android.app.ActivityThread.access$800(ActivityThread.java:144)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1278)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:135)
at android.app.ActivityThread.main(ActivityThread.java:5221)
at java.lang.reflect.Method.invoke(Native Method)
at java.lang.reflect.Method.invoke(Method.java:372)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:899)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:694)
Caused by: java.lang.ClassCastException: android.widget.RelativeLayout cannot be cast to android.widget.TextView
at synctc.me.stormy.MainActivity$$ViewInjector.inject(MainActivity$$ViewInjector.java:20)
at synctc.me.stormy.MainActivity$$ViewInjector.inject(MainActivity$$ViewInjector.java:8)
at butterknife.ButterKnife.inject(ButterKnife.java:317)
at butterknife.ButterKnife.inject(ButterKnife.java:232)
at synctc.me.stormy.MainActivity.onCreate(MainActivity.java:54)
at android.app.Activity.performCreate(Activity.java:5933)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1105)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2251)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2360)
at android.app.ActivityThread.access$800(ActivityThread.java:144)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1278)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:135)
at android.app.ActivityThread.main(ActivityThread.java:5221)
at java.lang.reflect.Method.invoke(Native Method)
at java.lang.reflect.Method.invoke(Method.java:372)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:899)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:694)
最佳答案
双击您的Logcat中的此行，您将被定向到MainActivity，在这里您可能已将RelativeLayout转换为Textview。
synctc.me.stormy.MainActivity.onCreate(MainActivity.java:54)上的