To resolve the import error, it is necessary to select additional related classes in case the particular class was obtained from a different source. The error occurs when the Java compiler is unable to locate certain classes or methods that are being invoked. Solution 3: import static java.lan...
强制转换
(Handler.java:106) E/AndroidRuntime( 7038): at android.os.Looper.loop(Looper.java:164) E/AndroidRuntime( 7038): at android.app.ActivityThread.main(ActivityThread.java:6753) E/AndroidRuntime( 7038): at java.lang.reflect.Method.invoke(Native Method) E/AndroidRuntime( 7038): at com.android...