Permission Denial: broadcast from android asks to run as user -2 but is calling from user 0;
解决办法:
long ident = Binder.clearCallingIdentity();
try {
Intent intent = new Intent("xxx.xxx.xxx");
// do sometings
mContext.sendBroadcastAsUser(intent, UserHandle.CURRENT);
} catch (Exception e) {
e.printStackTrace();
} finally {
Binder.restoreCallingIdentity(ident);
}
原因:
binder跨进程调用,APP调用API执行到系统服务里面时,持有的是APP的 Identity,如果执行的代码需要系统服务权限,需要清除binder的 Identity ,执行完成后再还原。
报错日志:
Permission Denial: broadcast from android asks to run as user -2 but is calling from user 0
system_process W/ActivityManager: Permission Denial: broadcast from android asks to run as user -2 but is calling from user 0; this requires android.permission.INTERACT_ACROSS_USERS_FULL or android.permission.INTERACT_ACROSS_USERS
system_process W/System.err: java.lang.SecurityException: Permission Denial: broadcast from android asks to run as user -2 but is calling from user 0; this requires android.permission.INTERACT_ACROSS_USERS_FULL or android.permission.INTERACT_ACROSS_USERS
system_process W/System.err: at com.android.server.am.UserController.handleIncomingUser(UserController.java:1532)
system_process W/System.err: at com.android.server.am.ActivityManagerService.broadcastIntentLocked(ActivityManagerService.java:21548)
system_process W/System.err: at com.android.server.am.ActivityManagerService.broadcastIntent(ActivityManagerService.java:22263)
system_process W/System.err: at android.app.ContextImpl.sendBroadcastAsUser(ContextImpl.java:1186)
system_process W/System.err: at android.app.IActivityManager$Stub.onTransact(IActivityManager.java:2264)
system_process W/System.err: at com.android.server.am.ActivityManagerService.onTransact(ActivityManagerService.java:3369)
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