<?xml version="1.0" encoding="utf-8"?>
<resources>
  <string name="app_name">电话拔号器</string>
  <string name="action_settings">Settings</string>
  <string name="hello_world">Hello world!</string>
  <string name="dail">拔打电话</string>
  <string name="defaul_prop">请输入电话号码</string>
</resources>

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
  xmlns:tools="http://schemas.android.com/tools"
  android:layout_width="match_parent"
  android:layout_height="match_parent"
  android:paddingBottom="@dimen/activity_vertical_margin"
  android:paddingLeft="@dimen/activity_horizontal_margin"
  android:paddingRight="@dimen/activity_horizontal_margin"
  android:paddingTop="@dimen/activity_vertical_margin"
  tools:context=".MainActivity" >
  <EditText
    android:id="@+id/et_number"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:inputType="phone" 
    android:hint="@string/defaul_prop">
    <requestFocus />
  </EditText>
  <Button
     android:id="@+id/btn_dail"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_alignParentRight="true"
    android:layout_below="@+id/et_number"
    android:text="@string/dail" />
</RelativeLayout>

package com.pb.dial;
import android.net.Uri;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.app.Activity;
import android.content.Intent;
public class MainActivity extends Activity {
  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    //根据ID找到ID，拔号按键的ID
    Button bt_dail= (Button) findViewById(R.id.btn_dail);
    //为按键设置点击事件
    bt_dail.setOnClickListener(new MyOnClickListener());
  }
  //单击监听事件
  private class MyOnClickListener implements OnClickListener{
    /**
     * 单击按键被点击时调用的方法
     */
    @Override
    public void onClick(View v) {
      //取出输入框中的内容
      //先找到ID
      EditText et_number=(EditText) MainActivity.this.findViewById(R.id.et_number);
      //根据ID出内容
     String phoneNumber=et_number.getText().toString();
     //意图，想做什么事
     Intent intent=new Intent();
     //开始拔打电话
     intent.setAction(Intent.ACTION_CALL);
     //设置动作内容 uri:统一资源标识符,url的类型 统一资源定位符
     intent.setData(Uri.parse("tel:"+phoneNumber));
     //开启新的界面
     startActivity(intent);
    }
  }
}

package com.pb.dial;
import android.net.Uri;
import android.os.Bundle;
import android.text.TextUtils;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;
import android.app.Activity;
import android.content.Intent;
public class MainActivity extends Activity implements OnClickListener{
  private Button bt_dail;
  private EditText et_number;
  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    //根据ID找到ID，拔号按键的ID
     bt_dail= (Button) findViewById(R.id.btn_dail);
   //取出输入框中的内容
       //先找到ID
       //根据ID出内容
     et_number=(EditText) MainActivity.this.findViewById(R.id.et_number);
    //为按键设置点击事件
    bt_dail.setOnClickListener(this);
  }
  @Override
  public void onClick(View v) {
   String phoneNumber=et_number.getText().toString().trim();
   //判断内容是否为空 TextUtils是个工具类
   if(TextUtils.isEmpty(phoneNumber)){
     Toast.makeText(this, "电话号码不能为空", Toast.LENGTH_LONG).show();
     //如果是内容类请将this改为MainActivity.this
     return;
   }
   //意图，想做什么事
   Intent intent=new Intent();
   //开始拔打电话
   intent.setAction(Intent.ACTION_CALL);
   //设置动作内容 uri:统一资源标识符,url的类型 统一资源定位符
   intent.setData(Uri.parse("tel:"+phoneNumber));
   //开启新的界面
   startActivity(intent);
  }
  //单击监听事件
  /* private class MyOnClickListener implements OnClickListener{
    *//**
     * 单击按键被点击时调用的方法
     *//*
    @Override
    public void onClick(View v) {
      //取出输入框中的内容
      //先找到ID
      EditText et_number=(EditText) MainActivity.this.findViewById(R.id.et_number);
      //根据ID出内容
     String phoneNumber=et_number.getText().toString();
     //意图，想做什么事
     Intent intent=new Intent();
     //开始拔打电话
     intent.setAction(Intent.ACTION_CALL);
     //设置动作内容 uri:统一资源标识符,url的类型 统一资源定位符
     intent.setData(Uri.parse("tel:"+phoneNumber));
     //开启新的界面
     startActivity(intent);
    }
  }*/
}

<!--添加权限 -->
<uses-permission android:name="android.permission.CALL_PHONE"/>

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
   package="cn.itcast.action"
   android:versionCode="1"
   android:versionName="1.0">
   略....
  <uses-sdk android:minSdkVersion=“6" />
  <uses-permission android:name="android.permission.CALL_PHONE"/>
</manifest>

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
  android:orientation="vertical"
  android:layout_width="fill_parent"
  android:layout_height="fill_parent" >
  <TextView 
  android:layout_width="fill_parent" android:layout_height="wrap_content" 
  android:text="@string/inputmobile"/>
  <EditText android:layout_width="fill_parent" android:layout_height="wrap_content"
  android:id="@+id/mobile"/>
  <Button android:layout_width="wrap_content" android:layout_height="wrap_content"
  android:text="@string/button"
  android:id="@+id/button"/>
</LinearLayout>

public class DialerAction extends Activity {
  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.main);
    Button button = (Button)findViewById(R.id.button);
    button.setOnClickListener(new View.OnClickListener(){
  public void onClick(View v) {
      EditText editText = (EditText)findViewById(R.id.mobile);
      Intent intent = new Intent(Intent.ACTION_CALL, Uri.parse("tel:"+ editText.getText()));
      DialerAction.this.startActivity(intent);
  }
    });
  }
}

<uses-permission android:name="android.permission.SEND_SMS"/>

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
  android:orientation="vertical“ android:layout_width="fill_parent“ android:layout_height="fill_parent" >
  <TextView android:layout_width="fill_parent" android:layout_height="wrap_content"
  android:text="@string/inputmobile"/>
  <EditText android:layout_width="fill_parent" android:layout_height="wrap_content"
  android:id="@+id/mobile"/>
  <TextView android:layout_width="fill_parent" android:layout_height="wrap_content"
  android:text="@string/content"/>
  <EditText android:layout_width="fill_parent" android:layout_height="wrap_content"
  android:minLines="3"
  android:id="@+id/content"/>
  <Button android:layout_width="wrap_content" android:layout_height="wrap_content"
  android:text="@string/button"
  android:id="@+id/button"/>
</LinearLayout>

String mobile = mobileView.getText().toString();
String content = contentView.getText().toString();
SmsManager smsManager = SmsManager.getDefault();
PendingIntent sentIntent = PendingIntent.getBroadcast(SMSSender.this, 0, new Intent(), 0);
if(content.length()>70){//如果字数超过70,需拆分成多条短信发送
   List<String> msgs = smsManager.divideMessage(content);
   for(String msg : msgs){
    smsManager.sendTextMessage(mobile, null, msg, sentIntent, null);
 //最后二个参数为短信已发送的广播意图,最后一个参数为短信对方已收到短信的广播意图
    }
}else{          
    smsManager.sendTextMessage(mobile, null, content, sentIntent, null);
}
Toast.makeText(SMSSender.this, "短信发送完成", Toast.LENGTH_LONG).show();