<LinearLayout 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:orientation="vertical"

    tools:context=".MainActivity" >

    <TextView

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:text="@string/head_lable" />

    <EditText

        android:id="@+id/txt_number"

        android:layout_width="match_parent"

        android:layout_height="wrap_content" />

  <Button

       android:id="@+id/btn_dialer"

       android:layout_width="wrap_content"

       android:layout_height="wrap_content"

        android:text="拨号"

       android:layout_gravity="right"

      />

</LinearLayout>

package cn.rfvip.dialer0204;

import android.net.Uri;

import android.os.Bundle;

import android.app.Activity;

import android.content.Intent;

import android.view.Menu;

import android.view.View;

import android.view.View.OnClickListener;

import android.widget.Button;

import android.widget.EditText;

public class MainActivity extends Activity {

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);

        //给按钮一个监听事件

        Button bt=(Button) findViewById(R.id.btn_dialer);

        bt.setOnClickListener(new MyLisen());

    //1、首先获取按钮的id==>然后监听 事件==》获取文本的id==>然后获取其值==》意图是打电话（new一个）==》打电话动作、电话号码(加Tel)。

      //把意图告诉系统；

      //打电话的权限加入

    }

    class MyLisen implements OnClickListener{

        @Override

        public void onClick(View v) {

            // TODO 自动生成的方法存根

            EditText eT=(EditText) findViewById(R.id.txt_number);

            String phone=eT.getText().toString();

            Intent intent=new Intent();

            intent.setAction(Intent.ACTION_CALL);

            intent.setData(Uri.parse("tel:"+phone));

            startActivity(intent);

        }}

}

<LinearLayout 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:orientation="vertical"

    tools:context=".MainActivity" >

    <EditText

        android:id="@+id/ed_sms_phone"

        android:layout_width="match_parent"

        android:layout_height="wrap_content"

        android:inputType="phone"

        android:hint="短信号码"

        />

           <EditText

        android:id="@+id/ed_sms_content"

        android:layout_width="match_parent"

        android:layout_height="wrap_content"

        android:hint="短信内容"

        android:gravity="top"

        android:lines="5"

        />

           <Button

               android:layout_height="wrap_content"

               android:layout_width="wrap_content"

               android:text="sengsms"

               android:onClick="sendsms"

               />

</LinearLayout>

package cn.rfvip.sendsms;

import android.os.Bundle;

import android.app.Activity;

import android.telephony.SmsManager;

import android.view.Menu;

import android.view.View;

import android.widget.EditText;

public class MainActivity extends Activity {

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);

    }

   public void sendsms(View v) {

    EditText ed_sms_phone=(EditText) findViewById(R.id.ed_sms_phone);

    EditText ed_sms_content=(EditText) findViewById(R.id.ed_sms_content);

     String sms_phone = ed_sms_phone.getText().toString();

     String sms_content = ed_sms_content.getText().toString();

    SmsManager sm=SmsManager.getDefault();//获取短信管理器

ArrayList<String> smss= sm.divideMessage(sms_content);//分割短信
    for(String string:smss)
   {
   sm.sendTextMessage(sms_phone, null, string, null, null);

}

}

}