package com.info.sn.service; /** * 作者 mjsheng * 日期 2019/4/1 10:58 * 邮箱 501802639@qq.com * 来自: */ import android.app.Service; import android.content.ComponentName; import android.content.Context; import android.content.Intent; import android.content.ServiceConnection; import android.os.IBinder; import androidx.annotation.Nullable; import com.info.sn.KeepAliveConnection; import com.info.sn.utils.LogUtils; import com.info.sn.utils.ServiceAliveUtils; /** * 守护进程 双进程通讯 * * @author LiGuangMin * @time Created by 2018/8/17 11:27 */ public class GuardService extends Service { private final static String TAG = GuardService.class.getSimpleName(); private ServiceConnection mServiceConnection = new ServiceConnection() { @Override public void onServiceConnected(ComponentName componentName, IBinder iBinder) { LogUtils.e(TAG, "GuardService:建立链接"); boolean isServiceRunning = ServiceAliveUtils.isServiceAlice(); if (!isServiceRunning) { Intent i = new Intent(GuardService.this, MyDownloadService.class); startService(i); } } @Override public void onServiceDisconnected(ComponentName componentName) { // 断开链接 startService(new Intent(GuardService.this, StepService.class)); // 重新绑定 bindService(new Intent(GuardService.this, StepService.class), mServiceConnection, Context.BIND_IMPORTANT); } }; @Nullable @Override public IBinder onBind(Intent intent) { return new KeepAliveConnection.Stub() { }; } @Override public int onStartCommand(Intent intent, int flags, int startId) { // 绑定建立链接 bindService(new Intent(this, StepService.class), mServiceConnection, Context.BIND_IMPORTANT); return START_STICKY; } }