撤回了一条消息，60%因为慌乱……

TIMOfflinePushSettings settings = new TIMOfflinePushSettings();
//开启离线推送
settings.setEnabled(true);
//设置收到 C2C 离线消息时的提示声音，这里把声音文件放到了 res/raw 文件夹下
settings.setC2cMsgRemindSound(Uri.parse("android.resource://" + getPackageName() + "/" + R.raw.dudulu));
//设置收到群离线消息时的提示声音，这里把声音文件放到了 res/raw 文件夹下
settings.setGroupMsgRemindSound(Uri.parse("android.resource://" + getPackageName() + "/" + R.raw.dudulu));

TIMManager.getInstance().configOfflinePushSettings(settings);

<!--  消息收发 service -->
<service
    android:name="com.tencent.qalsdk.service.QalService"
    android:exported="false"
    android:process=":QALSERVICE" >  
</service>
<!--  消息收发辅助 service -->
<service  
    android:name="com.tencent.qalsdk.service.QalAssistService"  
    android:exported="false"
    android:process=":QALSERVICE" >
 </service>
<!--  离线消息广播接收器 -->
<receiver
    android:name="com.tencent.qalsdk.QALBroadcastReceiver"
    android:exported="false">
    <intent-filter>
        <action android:name="com.tencent.qalsdk.broadcast.qal" />
    </intent-filter>
</receiver>
<!--  系统消息广播接收器 -->
<receiver
    android:name="com.tencent.qalsdk.core.NetConnInfoCenter"  android:process=":QALSERVICE">  
    <intent-filter>
        <action android:name="android.intent.action.BOOT_COMPLETED" />
    </intent-filter>
    <intent-filter>
        <action android:name="android.net.conn.CONNECTIVITY_CHANGE" />
    </intent-filter>
    <intent-filter>
        <action android:name="android.intent.action.TIME_SET" />
    </intent-filter>
    <intent-filter>
        <action android:name="android.intent.action.TIMEZONE_CHANGED" />
    </intent-filter>
</receiver>

public class MyApplication extends Application {
    @Override
    public void onCreate() {
        super.onCreate();

        Log.d("MyApplication", "app oncreate");
        // 只能在主进程进行离线推送监听器注册
        if(MsfSdkUtils.isMainProcess(this)) {
            Log.d("MyApplication", "main process");

            // 设置离线推送监听器
            TIMManager.getInstance().setOfflinePushListener(new TIMOfflinePushListener() {
                @Override
                public void handleNotification(TIMOfflinePushNotification notification) {
                    Log.d("MyApplication", "recv offline push");

                    // 这里的 doNotify 是 ImSDK 内置的通知栏提醒，应用也可以选择自己利用回调参数 notification 来构造自己的通知栏提醒
                    notification.doNotify(getApplicationContext(), R.drawable.ic_launcher);
                }
            });
        }
    }
}

/* function getGroupMemberInfo  
 *   获取群组成员列表
 * params:
 *   options    - 请求参数，详见api文档
 *   cbOk    - function()类型, 成功时回调函数
 *   cbErr    - function(err)类型, 失败时回调函数, err为错误对象
 * return:
 *   (无)
 */
getGroupMemberInfo: function(options, cbOk, cbErr) {},

//读取群组成员
var getGroupMemberInfo = function (group_id) {
    initGetGroupMemberTable([]);
    var options = {
        'GroupId': group_id,
        'Offset': 0, //必须从0开始
        'Limit': totalCount,
        'MemberInfoFilter': [
            'Account',
            'Role',
            'JoinTime',
            'LastSendMsgTime',
            'ShutUpUntil'
        ]
    };
    webim.getGroupMemberInfo(
            options,
            function (resp) {
                if (resp.MemberNum <= 0) {
                    alert('该群组目前没有成员');
                    return;
                }
                var data = [];
                for (var i in resp.MemberList) {
                    var account = resp.MemberList[i].Member_Account;
                    var role = webim.Tool.groupRoleEn2Ch(resp.MemberList[i].Role);
                    var join_time = webim.Tool.formatTimeStamp(
                    resp.MemberList[i].JoinTime);
                    var shut_up_until = webim.Tool.formatTimeStamp(
                    resp.MemberList[i].ShutUpUntil);
                    if (shut_up_until == 0) {
                        shut_up_until = '-';
                    }
                    data.push({
                        GroupId: group_id,
                        Member_Account: account,
                        Role: role,
                        JoinTime: join_time,
                        ShutUpUntil: shut_up_until
                    });
                }
                $('#get_group_member_table').bootstrapTable('load', data);
                $('#get_group_member_dialog').modal('show');
            },
            function (err) {
                alert(err.ErrorInfo);
            }
    );
};