android最简单的发送文本短信的demo

代码功能：实现最简单的短信发送功能，如下：

package com.lxy.msgt;

import android.app.Activity;
import android.app.PendingIntent;
import android.content.Intent;
import android.os.Bundle;
import android.telephony.SmsManager;
import android.view.MotionEvent;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.View.OnTouchListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;

public class AppMainActivity extends Activity
implements OnClickListener, OnTouchListener{

private static final String TAG = "AppMainActivity";

private EditText number;
private EditText content;
private Button btnSend;
private SmsManager sManager;

private Toast mToastForEmptyNumber;
private Toast mToastForEmptyContent;

/** Called when the activity is first created. */
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
initWidget();
}

private void initWidget(){
number = (EditText) findViewById(R.id.et_number);
content = (EditText) findViewById(R.id.et_content);
btnSend = (Button) findViewById(R.id.btn_send);
btnSend.setOnClickListener(this);
sManager = SmsManager.getDefault();

}

private void sendMsg(){
String inputNumber = number.getText().toString().trim();
String inputContext = content.getText().toString();
if (inputNumber == null ||inputNumber.equals("")){
if(mToastForEmptyNumber == null){
mToastForEmptyNumber = Toast.makeText(this, "您还没有输入电话号码", Toast.LENGTH_SHORT);
}
mToastForEmptyNumber.show();
return;
} else if (inputContext == null || inputContext.equals("")){
if(mToastForEmptyContent == null){
mToastForEmptyContent = Toast.makeText(this, "您还没有输入短信内容", Toast.LENGTH_SHORT);
}
mToastForEmptyContent.show();
return;
} else{
//发送短信
PendingIntent pIntent = PendingIntent.getActivity(AppMainActivity.this, 0, new Intent(), 0);
sManager.sendTextMessage(inputNumber, null, inputContext, pIntent, null);
Toast.makeText(this, "短信发送成功", Toast.LENGTH_SHORT).show();
}
}

@Override
public void onClick(View v) {
switch(v.getId()){
case R.id.btn_send:
sendMsg();
break;
default:
break;
}

}

@Override
public boolean onTouch(View v, MotionEvent event) {
// TODO Auto-generated method stub
return false;
}
}

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
>
<TextView
android:id="@+id/tv_title"
android:gravity="center_horizontal"
android:layout_alignParentTop="true"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="@string/hello" />
<TextView
android:id="@+id/tv_number"
android:layout_below="@+id/tv_title"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="电话号码："/>
<EditText
android:id="@+id/et_number"
android:layout_below="@+id/tv_number"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:numeric="integer"
android:singleLine="true" />
<TextView
android:id="@+id/tv_content"
android:layout_below="@+id/et_number"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="短信内容："/>
<EditText
android:id="@+id/et_content"
android:gravity="top"
android:layout_below="@+id/tv_content"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:minHeight="200dip" />
<Button
android:id="@+id/btn_send"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:text="发送"
/>
</RelativeLayout>

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