Android学习笔记之Intent(2)

package com.jiahemeikang.helloandroid;

import java.io.File;

import com.jiahemikang.service.EchoService;
import com.jiahemikang.service.EchoService.EchoServiceBingder;
import com.jikexuyua.broadcastreceiver.MyBC;

import android.net.Uri;
import android.os.Bundle;
import android.os.IBinder;
import android.provider.ContactsContract;
import android.app.Activity;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.ServiceConnection;
import android.database.Cursor;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.TextView;

public class MainActivity extends Activity implements OnClickListener,ServiceConnection{

private TextView tvResult ;
private Intent serviceIntent;
private Button btnStarAty1;
private Button btnStarService;
private Button btnStopService;
private Button btnAction;
private Button btnBingService;
private Button btnUnBingService;
private Button btnGetNum;
private Button btnbroadcast;
private Button regbroadcastButton;
private Button btnOpenPic;
private Button btnOpenUrl;
private Button btnunregbroadcastButton;
public EchoService echoService = null;
@Override
protected void onCreate(Bundle savedInstanceState) {
serviceIntent = new Intent(this,EchoService.class);
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
tvResult = (TextView)findViewById(R.id.tvResult);

btnStarAty1= (Button)findViewById(R.id.btnStartAty1);
btnStarService= (Button)findViewById(R.id.btnStartService);
btnStopService= (Button)findViewById(R.id.btnStopService);

btnOpenPic= (Button)findViewById(R.id.btnOpenPic);
btnOpenPic.setOnClickListener(this);
btnOpenUrl= (Button)findViewById(R.id.btnOpenUrl);
btnOpenUrl.setOnClickListener(this);

btnStarService.setOnClickListener(this);
btnStopService.setOnClickListener(this);

btnBingService= (Button)findViewById(R.id.bingdingservice);
btnUnBingService= (Button)findViewById(R.id.unbingdingservice);
btnBingService.setOnClickListener(this);
btnUnBingService.setOnClickListener(this);

btnGetNum= (Button)findViewById(R.id.btnGetNum);
btnGetNum.setOnClickListener(this);

btnbroadcast= (Button)findViewById(R.id.btnbroadcast);
btnbroadcast.setOnClickListener(this);

btnAction= (Button)findViewById(R.id.btnAction);
btnAction.setOnClickListener(this);

regbroadcastButton= (Button)findViewById(R.id.btnregbroadcast);
regbroadcastButton.setOnClickListener(this);
btnunregbroadcastButton= (Button)findViewById(R.id.btnunregbroadcast);
btnunregbroadcastButton.setOnClickListener(this);

btnStarAty1.setOnClickListener(new View.OnClickListener(){
@Override
public void onClick(View v){

Intent i = new Intent(MainActivity.this,Aty1.class);
i.putExtra("txt","Hello aty1");
startActivity(i);
startActivityForResult(i,0);
}
});
Cursor cursor = getContentResolver().query(ContactsContract.Contacts.CONTENT_URI, null, null, null, null);
while (cursor.moveToNext()) {
String _strName =cursor.getString(cursor
.getColumnIndex(ContactsContract.Contacts.DISPLAY_NAME));
System.out.println(">>>>>>>>>>>>>>>"+_strName);
}
}

@Override
protected void onActivityResult(int a,int b ,Intent i){

if (i!=null) {
String result = i.getStringExtra("result");

tvResult.setText(result);
}
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}

private  final MyBC myBC = new MyBC();
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
switch (v.getId()) {
case R.id.btnStartService:
startService(serviceIntent);
break;
case R.id.btnStopService:
stopService(serviceIntent);
break;
case R.id.bingdingservice:
bindService(serviceIntent,this,Context.BIND_AUTO_CREATE);
break;
case R.id.unbingdingservice:
unbindService(this);
echoService =null;
break;
case R.id.btnGetNum:
if (echoService!=null) {
System.out.print("当前服务的 数字为"+echoService.getCountNum());
}
break;
case R.id.btnbroadcast:
Intent i = new Intent(MyBC.ACTION);
i.putExtra("txt", "消息");
sendBroadcast(i);
break;
case R.id.btnregbroadcast:
registerReceiver(myBC, new IntentFilter(MyBC.ACTION));
break;
case R.id.btnunregbroadcast:
unregisterReceiver(myBC);
break;
case R.id.btnAction:
Intent ii = new Intent("com.jikexueyuan.intent.action.Aty2");
startActivity(ii);
break;//btnOpenUrl
case R.id.btnOpenPic:
File file = new File("/mnt/sdcard/1.jpg");
Intent intentfile = new Intent(Intent.ACTION_VIEW);
intentfile.setDataAndType(Uri.fromFile(file), "image/*");
startActivity(intentfile);
break;
case R.id.btnOpenUrl:
System.out.print("打开网页.........");
Intent intenturl = new Intent(Intent.ACTION_VIEW,Uri.parse("https://www.hao123.com/"));
startActivity(intenturl);
break;
default:
break;
}
}

@Override
public void onServiceConnected(ComponentName arg0, IBinder binder) {
System.out.println("onServiceConnected");
echoService = ((EchoService.EchoServiceBingder)binder).getService();

}

@Override
public void onServiceDisconnected(ComponentName arg0) {
// TODO Auto-generated method stub

}

//onStart

}