项目测试时发现的,在双击返回键关闭应用后(并未杀死后台)重新打开APP,其他手机都OK,但是8.0的手机会出现较频繁的crash。检查代码,问题锁定在重新开启应用时的startService()上。
查找资料说是Android 8.0 不再允许后台service直接通过startService方式去启动,否则就会引起IllegalStateException。而网上给出的解决方式大多是这样的:
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
context.startForegroundService(new Intent(context, MyService.class));
} else {
context.startService(new Intent(context, MyService.class));
}
然后必须在Myservice中调用startForeground():
@Override
public void onCreate() {
super.onCreate();
startForeground(1,new Notification());
}
不过可能是我代码本身的问题,使用上面代码之后应用报出RemoteServiceException: Bad notification for startForeground: java.lang.RuntimeException: invalid ch...
然后做了一些修改,其他的不变,只是在要开启的service中给notification添加 channelId:
public static final String CHANNEL_ID_STRING = "service_01";
@Override
public void onCreate() {
super.onCreate();
//适配8.0service
NotificationManager notificationManager = (NotificationManager) MyApp.getInstance().getSystemService(Context.NOTIFICATION_SERVICE);
NotificationChannel mChannel = null;
if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.O) {
mChannel = new NotificationChannel(CHANNEL_ID_STRING, getString(R.string.app_name),
NotificationManager.IMPORTANCE_LOW);
notificationManager.createNotificationChannel(mChannel);
Notification notification = new Notification.Builder(getApplicationContext(), CHANNEL_ID_STRING).build();
startForeground(1, notification);
}
}
ok,可以正常跑起来了。
参考地址:https://blog.csdn.net/o279642707/article/details/82352431?utm_source=blogxgwz0
来源:oschina
链接:https://my.oschina.net/u/4312704/blog/3681962