上传新文件

app/src/main/java/com/example/myfirstapp/AlarmReceiver.java

+package example.com.save;
+
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+import android.util.Log;
+
+public class AlarmReceiver extends BroadcastReceiver {
+    @Override
+    public void onReceive(Context context, Intent intent) {
+        Intent intent1=new Intent(context,RecordTimeService.class);
+        intent1.setAction("android.intent.action.recordtimeservice");
+        context.startService(intent1);
+        //Log.i("AlarmReceiver","收到");
+    }
+}