Android使用SmsManager实现短信发送功能

package com.example.sms; 
 
import java.util.ArrayList; 
 
import android.app.Activity; 
import android.os.Bundle; 
import android.telephony.SmsManager; 
import android.text.TextUtils; 
import android.view.View; 
import android.view.View.OnClickListener; 
import android.widget.EditText; 
import android.widget.Toast; 
 
public class MainActivity extends Activity implements OnClickListener { 
   
  private EditText mNumberText; 
  private EditText mContentText; 
   
  protected void onCreate(Bundle savedInstanceState) { 
    super.onCreate(savedInstanceState); 
    setTitle(getString(R.string.app_name)); 
    setContentView(R.layout.activity_main); 
     
    mNumberText = (EditText)this.findViewById(R.id.number);//找到number 
    mCOntentText= (EditText)this.findViewById(R.id.msg_content);  
    findViewById(R.id.send).setOnClickListener(this); 
  } 
   
  @Override 
  public void onClick(View arg0) { 
    String cOntent= mContentText.getText().toString(); 
    String number = mNumberText.getText().toString(); 
     
    if(TextUtils.isEmpty(number)){ 
      showToast("请输入手机号"); 
      return; 
    } 
    if(TextUtils.isEmpty(content)){ 
      showToast("请输入内容"); 
      return; 
    } 
     
    ArrayList messages = SmsManager.getDefault().divideMessage(content); 
    for(String text : messages){ 
      SmsManager.getDefault().sendTextMessage(number, null, text, null, null); 
    } 
    showToast(getString(R.string.success)); 
  } 
   
  private void showToast(String msg) { 
    Toast.makeText(MainActivity.this, msg, Toast.LENGTH_LONG).show(); 
  } 
   
} 

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