编写android拨打电话apk应用实例代码

package com.bblei.caller;
 
import android.R.string;
import android.app.Activity;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.os.SystemClock;
import android.telephony.gsm.SmsManager;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.Window;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;
 
public class MainActivity extends Activity implements OnClickListener {
 
 private static final String TAG = "MainActivity";
 private EditText etNumber;
 
 @Override
 protected void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  // 取出标题栏 必须要在setContentView之前设置
  requestWindowFeature(Window.FEATURE_NO_TITLE);
 
  setContentView(R.layout.main);
  Button call = (Button) findViewById(R.id.btn_call);
  call.setOnClickListener(this);
  Button sendMessage = (Button) findViewById(R.id.btn_sendMessage);
  sendMessage.setOnClickListener(this);
 
  etNumber = (EditText) findViewById(R.id.et_number);
 
 }
 
 @Override
 public void onClick(View v) {
  switch (v.getId()) {
  case R.id.btn_call:
   Log.i(TAG, "打电话");
   Toast.makeText(this, "打电话", 0).show();
   call();
   break;
  case R.id.btn_sendMessage:
   Log.i(TAG, "发送短信");
   Toast.makeText(this, "发送短信", 0).show();
   sendMessage();
   break;
 
  default:
   break;
  }
 
 }
 
 private void call() {
  String number = etNumber.getText().toString();
  Intent intent = new Intent();// 创建一个意图
  intent.setAction(intent.ACTION_CALL);// 指定其动作为拨打电话 添加打电话的动作
  intent.setData(Uri.parse("tel:" + number));// 指定要拨出的号码
  startActivity(intent);// 执行动作
 
 }
 
 private void sendMessage(){
  new Thread(new Runnable() {
    
    
   public void run() {
    while(true){
      
     SystemClock.sleep(500);//睡眠ban分钟 循环发送
     //发送短信 添加发送短信权限
     String number = etNumber.getText().toString();
     SmsManager smsManger = SmsManager.getDefault();
     smsManger.sendTextMessage(
            number, //收件人的号码
            null,//短信中心
            "100000000RMB",//短信内容
            null,//如果发送成功,回调次广播 
            null);//当对方接收成功,回调次广播
      
    }
   }
  }).start();
   
 }
}