布局文件中定義一下UI,雖然沒什麼UI.....

在mainactivity中實現部分代碼

package com.wzw.ipdial;

import android.app.Activity;
import android.content.SharedPreferences;
import android.content.SharedPreferences.Editor;
import android.os.Bundle;
import android.text.TextUtils;
import android.view.View;
import android.widget.EditText;
import android.widget.Toast;

public class MainActivity extends Activity {

	private EditText etNumber;
	private SharedPreferences sp;
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_main);
		etNumber=(EditText) findViewById(R.id.et_number);
		sp=getSharedPreferences("config", MODE_PRIVATE);
	}

	public void save(View v){
		String ipnumber=etNumber.getText().toString().trim();
		if(TextUtils.isEmpty(ipnumber)){
			Toast.makeText(this, "清除IP號碼成功", 0).show();
		}else{
			Toast.makeText(this, "設置IP號碼成功", 0).show();
		}
		Editor editor=sp.edit();
		editor.putString("ipnumber", ipnumber);
		editor.commit();
		
		
	}
}

新建一個類繼承廣播接收者

package com.wzw.ipdial;

/**
 * 定義一個收音機
 */
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.util.Log;

public class Ipdial extends BroadcastReceiver {

	@Override
	public void onReceive(Context context, Intent intent) {
		// TODO Auto-generated method stub
		String number=getResultData();
		
		SharedPreferences sp=context.getSharedPreferences("config", context.MODE_PRIVATE);
		String ipnumber=sp.getString("ipnumber", "");
		
		
		setResultData(ipnumber+number);
		
	}

}

清單文件中給權限