JackyKeke

新工程嵌入的时候，报Attempt to invoke virtual method 'android.content.pm.ApplicationInfo android.content.Context.getApplicationInfo()' on a null object reference

1

Process: com.example.multilanguage2, PID: 22233 java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.multilanguage2/com.example.multilanguage2.MainActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'android.content.pm.ApplicationInfo android.content.Context.getApplicationInfo()' on a null object reference at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3430) at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3614) at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:86) at...

android7.0闪退问题java.lang.SecurityException: MODE_WORLD_READABLE no longer supported

2

在小米5s中安装后打开会发现异常报错 MODE_WORLD_READABLE no longer supported MODE_WORLD_READABLE 模式已经被废弃。 getSharedPreferences("test" , MODE_PRIVATE); MODE_WORLD_READABLE 模式应该换成 MODE_PRIVATE

https://github.com/gloomyfish1998/opencv4android/blob/37a578c4c59bafd3f11c2a6af2f12d369f5a76fa/samples/OpencvDemo/app/src/main/java/com/book/chapter/two/ReadMatinfoActivity.java#L243