【Java 转 Android】50

package nopi.aystudio.mthread;

import android.app.Notification;

import android.app.PendingIntent;

import android.app.Service;

import android.content.Intent;

import android.graphics.BitmapFactory;

import android.os.Binder;

import android.os.IBinder;

import android.util.Log;

import android.widget.Toast;

public class MyService extends Service {

private static final String TAG = "MyService";

private DownloadBinder downloadBinder = new DownloadBinder();

class DownloadBinder extends Binder{

public void startDownload(){

Toast.makeText(MyService.this, "startDownload", Toast.LENGTH_SHORT).show();

}

public void getNumber(){

Toast.makeText(MyService.this, "getNumber", Toast.LENGTH_SHORT).show();

}

}

public MyService() {

}

@Override

public IBinder onBind(Intent intent) {

return downloadBinder;

}

@Override

public void onCreate() {

super.onCreate();

Log.d(TAG, "onCreate: ");

Intent intent = new Intent(this,MainActivity.class);

PendingIntent pi = PendingIntent.getActivity(this,0,intent,0);

Notification notification = new Notification.Builder(this)

.setContentTitle("这是前台服务通知标题")

.setContentText("这是前台

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服务通知内容")

.setWhen(System.currentTimeMillis())

.setSmallIcon(R.mipmap.ic_launcher_round)

.setLargeIcon(BitmapFactory.decodeResource(getResources(),R.mipmap.ic_launcher))

.setContentIntent(pi)

.build();

startForeground(1,notification);

}

@Override

public int onStartCommand(Intent intent, int flags, int startId) {

Log.d(TAG, "onStartCommand: ");

return super.onStartCommand(intent, flags, startId);

}

@Override

public void onDestroy() {

super.onDestroy();

Log.d(TAG, "onDestroy: ");

}

}

package nopi.aystudio.mthread;

import android.content.ComponentName;

import android.content.Intent;

import android.content.ServiceConnection;

import android.os.IBinder;

import android.support.v7.app.AppCompatActivity;

import android.os.Bundle;

import android.view.View;

import android.widget.Button;

import android.widget.Toast;

public class MainActivity extends AppCompatActivity implements View.OnClickListener{

Button button1;

Button btn_canel;

private MyService.DownloadBinder downloadBinder;

private ServiceConnection connection = new ServiceConnection() {

@Override

public void onServiceConnected(ComponentName name, IBinder service) {

downloadBinder = (MyService.DownloadBinder)service;

downloadBinder.getNumber();

downloadBinder.startDownload();

}

@Override

public void onServiceDisconnected(ComponentName name) {

Toast.makeText(MainActivity.this, "失去连接。。。", Toast.LENGTH_SHORT).show();

}

};

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

button1 = findViewById(R.id.button1);

btn_canel = findViewById(R.id.btn_canel);

button1.setOnClickListener(this);