android基础知识点复习之短信发送

界面布局：

activity_main.xml

<RelativeLayout 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"    tools:context=".MainActivity" >    <TextView        android:id="@+id/phonenumber_text"        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:text="@string/phonenumber" />    <EditText        android:id="@+id/phonenumber_edit"        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:layout_below="@id/phonenumber_text"        android:inputType="phone" >    </EditText>    <TextView        android:id="@+id/phonenumber_text2"        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:layout_below="@id/phonenumber_edit"        android:text="@string/phonenumber" />    <EditText        android:id="@+id/message_edit"        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:layout_below="@id/phonenumber_text2"        android:lines="5" />    <Button        android:id="@+id/call_button"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:layout_alignParentLeft="true"        android:layout_below="@id/message_edit"        android:onClick="callphone"        android:text="call" /></RelativeLayout>

java代码：

import android.annotation.SuppressLint;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.Button;import android.widget.EditText;import android.widget.Toast;import java.util.ArrayList;public class SendMessage extends Activity implements OnClickListener {    private EditText phonenumber_edit;    private EditText content_eidt;    private Button Send_button;    private String content ;    private  String phoneNumber;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        initViews();    }    /**     *      * @Title: initViews      * @Description: TODO(初始化布局文件)      * @param     设定文件      * @return void    返回类型      * @throws     */    private void initViews() {        phonenumber_edit = (EditText)findViewById(R.id.phonenumber_edit);        content_eidt = (EditText)findViewById(R.id.message_edit);        Send_button = (Button)findViewById(R.id.call_button);        Send_button.setOnClickListener(this);    }    /**     *      * @Name onClick     * @Description TODO(按钮单击事件处理)      * @param v     * @see android.view.View.OnClickListener#onClick(android.view.View)     * @Date 2013-12-8 下午10:28:30     *     */    @SuppressLint("NewApi")    @Override    public void onClick(View v) {        switch (v.getId()) {            //打你发送短信按钮            case R.id.call_button:                //取得短信内容                content = content_eidt.getText().toString().trim();                //取得手机号码                phoneNumber = phonenumber_edit.getText().toString().trim();                //判断字符是否为空                if(TextUtils.isEmpty(content)||TextUtils.isEmpty(phoneNumber)){                    Toast.makeText(getApplicationContext(), "请输入内容", Toast.LENGTH_LONG).show();                    return;                }                //短信发送                SmsManager smsManager = SmsManager.getDefault();                ArrayList<String> contents = smsManager.divideMessage(content);                for (String string : contents) {                    smsManager.sendTextMessage(phoneNumber, null, string, null, null);                }                Toast.makeText(getApplicationContext(), "短信已经发送", Toast.LENGTH_LONG).show();                break;            default:                break;        }    }}

权限设置：

   <!-- 发送短信权限的权限 -->    <uses-permission android:name="android.permission.SEND_SMS" />

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