用Android写一个简单的发送短信的应用

main.xml

<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" >

<TextView

android:layout_width="wrap_content"

android:layout_height="wrap_content"

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

<EditText

android:id="@+id/et_call_number"

android:inputType="phone"

android:layout_width="fill_parent"

android:layout_height="wrap_content"

android:hint="@string/call_number"/>

<EditText

android:id="@+id/et_content"

android:inputType="none"

android:layout_width="fill_parent"

android:layout_height="wrap_content"

android:lines="8"

android:gravity="top"

android:hint="@string/sendcontent"/>

<Button

android:id="@+id/bt_send"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:inputType="none"

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

</LinearLayout>

MainActivity.java

import java.util.ArrayList;

import android.os.Bundle;

import android.app.Activity;

import android.view.Menu;

import android.view.View;

import android.view.View.OnClickListener;

import android.widget.Button;

import android.widget.EditText;

import android.widget.Toast;

public class MainActivity extends Activity {

private EditText et_call_number;

private EditText et_content;

private Button bt_send;

private String callNumber;

private String smsContent;

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.main);

initView();

initClick();

}

/**

* 初始化视图

*/

private void initView() {

// TODO Auto-generated method stub

et_call_number = (EditText) this.findViewById(R.id.et_call_number);

et_content = (EditText) this.findViewById(R.id.et_content);

bt_send = (Button) this.findViewById(R.id.bt_send);

}

/**

* 初始化数据

*/

private void initData() {

callNumber = et_call_number.getText().toString().trim();

smsContent = et_content.getText().toString().trim();

}

/**

* 初始化点击事件

*/

private void initClick() {

// TODO Auto-generated method stub

bt_send.setOnClickListener(new OnClickListener() {

@Override

public void onClick(View v) {

// TODO Auto-generated method stub

initData();

if (callNumber.equals("") || smsContent.equals("") ) {

Toast.makeText(MainActivity.this, "电话号码或者短信内容不能为空！", Toast.LENGTH_SHORT).show();

} else {

android.telephony.SmsManager smsManager=android.telephony.SmsManager.getDefault();

ArrayList<String> divideMessages = smsManager.divideMessage(smsContent);

for (String divideMessage : divideMessages) {

smsManager.sendTextMessage(callNumber, null, divideMessage, null, null);

}

}

}

});

}

@Override

public boolean onCreateOptionsMenu(Menu menu) {

// Inflate the menu; this adds items to the action bar if it is present.

getMenuInflater().inflate(R.menu.main, menu);

return true;

}

}