我做了一下滑屏的导航条，用的ViewPager 可是导航条在上面能运行 在下面就程序崩溃了03-16 14:50:32.801: E/AndroidRuntime(24223): FATAL EXCEPTION: main 03-16 14:50:32.801: E/AndroidRuntime(24223): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.zh1/com.example.zh1.MainActivity}: java.lang.ClassCastException: android.widget.LinearLayout cannot be cast to android.widget.RelativeLayout 03-16 14:50:32.801: E/AndroidRuntime(24223): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2436) 03-16 14:50:32.801: E/AndroidRuntime(24223): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2488) 03-16 14:50:32.801: E/AndroidRuntime(24223): at android.app.ActivityThread.access$600(ActivityThread.java:165)
看你报错写的是类型转换错误
android.widget.LinearLayout cannot be cast to android.widget.RelativeLayout
你布局的问题
好谢谢 问题以解决