两个手机靠近，唤起应用如微信（需打开NFC）

为什么人们对nfc不感兴趣呢 多好的技术 比蓝牙传输什么的都方便多了，只需两个手机靠近 就可以传递数据 多强大的功能 有兴趣的人 下我的demo试试 要求：手机必须装微信 打开手机自带的nfc 两个手机靠近 就可以唤起微信 当然也可以传递数据 下章再说。

DEMO下载地址http://download.csdn.net/detail/u012303938/9254351

源码如下：

package com.example.nfctell;

import java.nio.charset.Charset;
import java.util.Locale;

import android.support.v7.app.ActionBarActivity;
import android.app.PendingIntent;
import android.content.Intent;
import android.nfc.NdefMessage;
import android.nfc.NdefRecord;
import android.nfc.NfcAdapter;
import android.nfc.NfcEvent;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;

public class MainActivity extends ActionBarActivity {
private NfcAdapter nfcAdapter;
private PendingIntent intent;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
nfcAdapter=NfcAdapter.getDefaultAdapter(this);
intent=PendingIntent.getActivity(this, 0, new Intent(this,getClass()), 0);
nfcAdapter.setNdefPushMessageCallback(new NfcAdapter.CreateNdefMessageCallback() {

@Override
public NdefMessage createNdefMessage(NfcEvent event) {
// TODO Auto-generated method stub
NdefMessage message=new NdefMessage(new NdefRecord[]{
NdefRecord.createApplicationRecord("com.tencent.mm")

});

return message;
}
}, this);

}

@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;
}
@Override
protected void onResume() {
// TODO Auto-generated method stub
super.onResume();
nfcAdapter.enableForegroundDispatch(this, intent, null, null);
}
@Override
protected void onPause() {
// TODO Auto-generated method stub
super.onPause();
nfcAdapter.disableForegroundDispatch(this);
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle action bar item clicks here. The action bar will
// automatically handle clicks on the Home/Up button, so long
// as you specify a parent activity in AndroidManifest.xml.
int id = item.getItemId();
if (id == R.id.action_settings) {
return true;
}
return super.onOptionsItemSelected(item);
}

}