日志看了,发现错误是 java.lang.RuntimeException: Unable to start receiver test.zyf.com.broadcasttest.ForceOfflineReceiver: android.view.WindowManager$BadTokenException: Unable to add window android.view.ViewRootImpl$W@7d4996d -- permission denied for this window type
广播接收器启动失败,弹出系统级别的对话框失败
可是已经设置过android.permission.SYSTEM_ALERT_WINDOW权限,对ForceOffineReceiver进行注册并指定了要接收的广播,为什么还会出现这样的错误呢?