Android出错异常

古城微笑少年丶 2022-04-23 02:36 246阅读 0赞

空值异常类错误

01-23 03:14:15.236: E/AndroidRuntime(813): FATAL EXCEPTION: main  
01-23 03:14:15.236: E/AndroidRuntime(813): java.lang.RuntimeException: Unable to instantiate application android.app.Application: java.lang.NullPointerException  
01-23 03:14:15.236: E/AndroidRuntime(813): at android.app.LoadedApk.makeApplication(LoadedApk.java:482)  
01-23 03:14:15.236: E/AndroidRuntime(813): at android.app.ActivityThread.handleBindApplication(ActivityThread.java:3938)  
01-23 03:14:15.236: E/AndroidRuntime(813): at android.app.ActivityThread.access 1300 ( A c t i v i t y T h r e a d . j a v a : 123 ) 01 − 2303 : 14 : 15.236 : E / A n d r o i d R u n t i m e ( 813 ) : a t a n d r o i d . a p p . A c t i v i t y T h r e a d 1300(ActivityThread.java:123) 01-23 03:14:15.236: E/AndroidRuntime(813): at android.app.ActivityThread 1300(ActivityThread.java:123)01−2303:14:15.236:E/AndroidRuntime(813):atandroid.app.ActivityThreadH.handleMessage(ActivityThread.java:1185)  
01-23 03:14:15.236: E/AndroidRuntime(813): at android.os.Handler.dispatchMessage(Handler.java:99)  
01-23 03:14:15.236: E/AndroidRuntime(813): at android.os.Looper.loop(Looper.java:137)  
01-23 03:14:15.236: E/AndroidRuntime(813): at android.app.ActivityThread.main(ActivityThread.java:4424)  
01-23 03:14:15.236: E/AndroidRuntime(813): at android.app.ActivityThread.main(ActivityThread.java:4424)  
01-23 03:14:15.236: E/AndroidRuntime(813): at java.lang.reflect.Method.invoke(Method.java:511)  
01-23 03:14:15.236: E/AndroidRuntime(813): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784)  
01-23 03:14:15.236: E/AndroidRuntime(813): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551)  
01-23 03:14:15.236: E/AndroidRuntime(813): at dalvik.system.NativeStart.main(Native Method)  
01-23 03:14:15.236: E/AndroidRuntime(813): Caused by: java.lang.NullPointerException

01-23 03:14:15.236: E/AndroidRuntime(813): at android.app.LoadedApk.initializeJavaContextClassLoader(LoadedApk.java:362)  
01-23 03:14:15.236: E/AndroidRuntime(813): at android.app.LoadedApk.getClassLoader(LoadedApk.java:305)  
01-23 03:14:15.236: E/AndroidRuntime(813): at android.app.LoadedApk.makeApplication(LoadedApk.java:474)

这个空值异常错误是因为在工程命名时出现的，主要表现为：  
错：yancitong2.0  
对：yancitong2