Android 用Intent 通过action启动Service异常，求帮忙

//定义Intent通过给定的ACTION来启动服务
  Intent intent=new Intent();
        intent.setAction(MyService.ACTION);
        startService(intent);

//service的部分代码
 public class MyService extends Service {
    public static final String ACTION = "com.example.codetest_1.action.startPlayService";

//清单文件
 <service
            android:name=".MyService"
            android:enabled="true"
            android:exported="true">
            <intent-filter>
                <action android:name="com.example.codetest_1.action.startPlayService" />
            </intent-filter>
        </service> 

我实在看不出什么问题了= =一点按钮程序就结束
I/Process: Sending signal. PID: 17843 SIG: 9
Application terminated.

貌似是5.0以后不允许隐式启动Service，试一下：
Intent mIntent = new Intent();
mIntent.setAction(XXX.XXX.XXX);
mIntent.setPackage(pkgName);//应用的包名
context.startService(mIntent);