init

app/src/main/java/com/info/sn/service/StepService.java

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+package com.info.sn.service;
+
+/**
+ * 作者 mjsheng
+ * 日期 2019/4/1 10:57
+ * 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;
+
+
+/**
+ * 主进程 双进程通讯
+ *
+ * @author LiGuangMin
+ * @time Created by 2018/8/17 11:26
+ */
+public class StepService extends Service {
+
+    private final static String TAG = StepService.class.getSimpleName();
+    private ServiceConnection mServiceConnection = new ServiceConnection() {
+        @Override
+        public void onServiceConnected(ComponentName componentName, IBinder iBinder) {
+            LogUtils.e(TAG, "StepService:建立链接");
+            boolean isServiceRunning = ServiceAliveUtils.isServiceAlice();
+            if (!isServiceRunning) {
+                Intent i = new Intent(StepService.this, MyDownloadService.class);
+                startService(i);
+            }
+        }
+
+        @Override
+        public void onServiceDisconnected(ComponentName componentName) {
+            // 断开链接
+            startService(new Intent(StepService.this, GuardService.class));
+            // 重新绑定
+            bindService(new Intent(StepService.this, GuardService.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) {
+//        startForeground(1, new Notification());
+        // 绑定建立链接
+        bindService(new Intent(this, GuardService.class), mServiceConnection, Context.BIND_IMPORTANT);
+        return START_STICKY;
+    }
+
+}