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Android Ï Ä äö öhomehealth» comment '{n' {° 1 £° Service

» Zookeeper Service has been **é

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Service μ ää ¶ ¯ Ó óyangámöööööö½ £ £°Context. startService ()° ÍContext. bindService ()

There are already too many Service providers that have been added to the quota.

Context. startService () implements zookeeper without prior execution of £°

Context. startService ()-> onCreate ()-> onStart ()-> Service running-> context. stopService ()-> onDestroy ()-> Service stop

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Please refer to the following link for more information) --> onDestroy

Context. bindService () implements the same operation as before £°

Context. bindService ()-> onCreate ()-> onBind ()-> Service running-> onUnbind ()-> onDestroy ()-> Service stop

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Please refer to the following link for more information: {0} </G> <G id = "1"> </G> <G id = "2"> </G> <G id = "2"> onBind </G> ¶ à '{°) --> onUnbind --> onDestory £.

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Layout ² ¼ ¾ öî ä¼ activity _ main. xml

MainActivity. java 'úâ ~%%â £°

package com.example.hellowendy;import android.app.Activity;import android.content.Intent;import android.os.Bundle;import android.util.Log;import android.view.View;import android.view.View.OnClickListener;import android.widget.Button;public class MainActivity extends Activity implements OnClickListener {/** Called when the activity is first created. */Button buttonOn, buttonOff;String TAG = "ServiceActivity";@Overridepublic void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);buttonOn = (Button) findViewById(R.id.button_on);buttonOff = (Button) findViewById(R.id.button_off);buttonOn.setOnClickListener(this);buttonOff.setOnClickListener(this);Log.v(TAG, "ActivityonCreate");}@Overridepublic void onClick(View v) {// TODO Auto-generated method stubswitch (v.getId()) {case (R.id.button_on):Log.v(TAG, "ActivitystartService");this.startService(new Intent(this, PlayService.class));// startService(new Intent(this, PlayService.class));break;case (R.id.button_off): {Log.v(TAG, "ActivitystopService");this.stopService(new Intent(this, PlayService.class));// stopService(new Intent(this, PlayService.class));}break;default:break;}}@Overrideprotected void onStop() {// TODO Auto-generated method stubsuper.onStop();Log.v(TAG, "ActivityonStop");}@Overrideprotected void onDestroy() {// TODO Auto-generated method stubLog.v(TAG, "ActivityonDestroy");super.onDestroy();}}

PlayService. java 'úâ ~%%â £°

/** *  *//** * @author Administrator * */package com.example.hellowendy;import java.io.IOException;import android.app.Service;import android.content.Intent;import android.media.MediaPlayer;import android.os.IBinder;import android.util.Log;import android.widget.TextView;import android.widget.Toast;public class PlayService extends Service {String TAG = "ServiceActivity";MediaPlayer mediaPlayer;@Overridepublic IBinder onBind(Intent intent) {// TODO Auto-generated method stubreturn null;}@Overridepublic void onCreate() {// TODO Auto-generated method stubsuper.onCreate();Toast.makeText(this, "Play Service Created", Toast.LENGTH_LONG).show();Log.v(TAG, "ServiceonCreate");//TextView txtview;//txtview = (TextView) findViewById(R.id.txt);//´Ó±¾µØ×ÊÔ´ÖлñÈ¡µÄ¸èÇúcong.mp3, ¡°´Ò´ÒÄÇÄꡱ,cong.mp3Ŀ¼ÊÇhellowendy -> res ->raw -> cong.mp3mediaPlayer = MediaPlayer.create(this, R.raw.cong);

}@Overridepublic void onStart(Intent intent, int startId) {// TODO Auto-generated method stub//super.onStart(intent, startId);//super.onStart();/* * //¿ÉÒÔÔÚOnCreateÀïÃæ´´½¨ÓëÒôÀÖµÄÁ´½Ó£¬Ò²¿ÉÒÔÔÚOnStartÀïÃæ´´½¨ mediaPlayer = * MediaPlayer.create(this, R.raw.test); */Toast.makeText(this, "Play Service onStart", Toast.LENGTH_LONG).show();Log.v(TAG, "ServiceonStart");mediaPlayer.start();}@Overridepublic void onDestroy() {// TODO Auto-generated method stubsuper.onDestroy();Toast.makeText(this, "Play Service Stopped", Toast.LENGTH_LONG).show();Log.v(TAG, "ServiconDestroy");mediaPlayer.stop();}}