短信发送器

--------------------------------------main.java---------------------------------

import android.os.Bundle;
import android.app.Activity;
import android.telephony.SmsManager;
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 implements OnClickListener {

private EditText etNumber;
private EditText etContent;


    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        
        
        etNumber = (EditText) findViewById(R.id.et_number);
        etContent = (EditText) findViewById(R.id.et_content);
        
        Button button = (Button) findViewById(R.id.btn_send);
        button.setOnClickListener(this);
    }




    @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;
    }




@Override
public void onClick(View v) {
// 号码
String number = etNumber.getText().toString();
// 内容
String content = etContent.getText().toString();

SmsManager smsManager = SmsManager.getDefault();

smsManager.sendTextMessage(
number, // 收件人
null, // 短信中心号码
content, // 内容
null, 
null);
}
    
}


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