package org.mk.android.demoandroidsimpleservice;
 
import android.app.Service;
import android.content.Intent;
import android.os.IBinder;
import android.util.Log;
 
public class SimpleService extends Service {
    private final String TAG = "SimpleService";
 
    public SimpleService() {
    }
 
    @Override
    public IBinder onBind(Intent intent) {
        // TODO: Return the communication channel to the service.
        Log.i(TAG, ">>>>>>onBind方法被調(diào)用");
        return null;
    }
 
    //Service被創(chuàng)建時(shí)調(diào)用
    @Override
    public void onCreate() {
        Log.i(TAG, ">>>>>>onCreate方法被調(diào)用");
        super.onCreate();
    }
 
    //Service被啟動(dòng)時(shí)調(diào)用
    @Override
    public int onStartCommand(Intent intent, int flags, int startId) {
        Log.i(TAG, ">>>>>>onStartCommand方法被調(diào)用");
        return super.onStartCommand(intent, flags, startId);
    }
 
    //Service被關(guān)閉之前回調(diào)
    @Override
    public void onDestroy() {
        Log.i(TAG, ">>>>>>onDestory方法被調(diào)用");
        super.onDestroy();
    }
}

package org.mk.android.demoandroidsimpleservice;
 
import androidx.appcompat.app.AppCompatActivity;
 
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
 
public class MainActivity extends AppCompatActivity {
    private Button buttonStartSimpleService;
    private Button buttonStopSimpleService;
    private Intent intent = new Intent();
    private Context ctx;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
         ctx = MainActivity.this;
        buttonStartSimpleService = (Button) findViewById(R.id.buttonStartSimpleService);
        buttonStopSimpleService = (Button) findViewById(R.id.buttonStopSimpleService);
        buttonStartSimpleService.setOnClickListener(new OnClickListener());
        buttonStopSimpleService.setOnClickListener(new OnClickListener());
    }
 
    class OnClickListener implements View.OnClickListener {
        @Override
        public void onClick(View view) {
            Intent eIntent;
            switch (view.getId()) {
                case R.id.buttonStartSimpleService:
                    intent=new Intent(ctx,SimpleService.class);
                    startService(intent);
                    break;
                case R.id.buttonStopSimpleService:
                    intent=new Intent(ctx,SimpleService.class);
                    stopService(intent);
                    break;
            }
        }
    }
}

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools">
 
    <application
        android:allowBackup="true"
        android:dataExtractionRules="@xml/data_extraction_rules"
        android:fullBackupContent="@xml/backup_rules"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:roundIcon="@mipmap/ic_launcher_round"
        android:supportsRtl="true"
        android:theme="@style/Theme.DemoAndroidSimpleService"
        tools:targetApi="31">
        <service
            android:name=".SimpleService"
            android:enabled="true"
            android:exported="true">
            <intent-filter>
                <action
                    android:name="org.mk.android.demoandroidsimpleservice.SimpleService"/>
            </intent-filter>
 
        </service>
 
        <activity
            android:name=".MainActivity"
            android:exported="true">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />
 
                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
 
            <meta-data
                android:name="android.app.lib_name"
                android:value="" />
        </activity>
    </application>
 
</manifest>