Android Studio 之启动和停止服务

比眉伴天荒 2022-06-10 23:53 563阅读 0赞

**运行截图**  
![这里写图片描述][SouthEast]  
**MainActivity.java**  
**运行前**  
![这里写图片描述][SouthEast 1]  
![这里写图片描述][SouthEast 2]

package csdn.example.com.pushmessage;
    
    import android.content.Intent;
    import android.support.v7.app.AppCompatActivity;
    import android.os.Bundle;
    import android.view.View;
    import android.widget.Button;
    
    import csdn.example.com.pushmessage.ServiceTest.MyService;
    
    public class MainActivity extends AppCompatActivity implements View.OnClickListener {
        
    
        @Override
        protected void onCreate(Bundle savedInstanceState) {
            super.onCreate(savedInstanceState);
            setContentView(R.layout.activity_main);
            Button startService = (Button) findViewById(R.id.start_service);
            Button stopService = (Button) findViewById(R.id.stop_service);
            startService.setOnClickListener(this);
            stopService.setOnClickListener(this);
        }
    
        @Override
        public void onClick(View v) {
            switch (v.getId()){
                case R.id.start_service:
                    Intent startIntent = new Intent(this, MyService.class);
                    startService(startIntent);//启动服务
                    break;
                case R.id.stop_service:
                    Intent stopIntent = new Intent(this,MyService.class);
                    stopService(stopIntent);//停止服务
                    break;
                default:
                    break;
            }
        }
    }

**停止服务后运行截图**  
![这里写图片描述][SouthEast 3]  
![这里写图片描述][SouthEast 4]  
截图**MyService.java**

package csdn.example.com.pushmessage.ServiceTest;
    
    import android.app.Service;
    import android.content.Intent;
    import android.os.IBinder;
    import android.util.Log;
    
    public class MyService extends Service {
        
        public MyService() {
        }
    
        @Override
        public IBinder onBind(Intent intent) {
            // TODO: Return the communication channel to the service.
            throw new UnsupportedOperationException("Not yet implemented");
        }
    
        @Override
        public void onCreate() {
            super.onCreate();
            Log.d("MyService","onCreate executed");
        }
    
        @Override
        public int onStartCommand(Intent intent, int flags, int startId) {
            Log.d("MyService","onStartCommand executed");
            return super.onStartCommand(intent, flags, startId);
        }
    
        @Override
        public void onDestroy() {
            super.onDestroy();
            Log.d("MyService","onDestroy executed");
        }
    }

**清单文件 AndroidManifest.xml**

<?xml version="1.0" encoding="utf-8"?>
    <manifest xmlns:android="http://schemas.android.com/apk/res/android"
        package="csdn.example.com.pushmessage">
    
        <application
            android:allowBackup="true"
            android:icon="@mipmap/ic_launcher"
            android:label="@string/app_name"
            android:roundIcon="@mipmap/ic_launcher_round"
            android:supportsRtl="true"
            android:theme="@style/AppTheme">
            <activity android:name=".MainActivity">
                <intent-filter>
                    <action android:name="android.intent.action.MAIN" />
    
                    <category android:name="android.intent.category.LAUNCHER" />
                </intent-filter>
            </activity>
    
            <service
                android:name=".ServiceTest.MyService"
                android:enabled="true"
                android:exported="true"></service>
        </application>
    
    </manifest>

[SouthEast]: /images/20220611/12f8fd9fbea744ff98b1aa18b1e3542f.png
[SouthEast 1]: /images/20220611/903d8a8de37b4e2c9dafdd9459c38aa0.png
[SouthEast 2]: /images/20220611/7f0322d5a3fa4038b2f9866061376136.png
[SouthEast 3]: /images/20220611/dff5b433bd5043bcbee2a2084cb7bb37.png
[SouthEast 4]: /images/20220611/1b8851cb5a994235950a1580a3e5572f.png