Android学习笔记_2_发送短信

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1、首先需要在AndroidManifest.xml文件中加入发送短信的权限

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

2、使用相对布局方式进行布局

　　hint：表示编辑框的提示信息

　　layout_below:在那个视图的下方

<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"    android:paddingBottom="@dimen/activity_vertical_margin"    android:paddingLeft="@dimen/activity_horizontal_margin"    android:paddingRight="@dimen/activity_horizontal_margin"    android:paddingTop="@dimen/activity_vertical_margin"    tools:context=".MainActivity" >    <TextView        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:text="@string/tvPhone"        android:id="@+id/tv1" />    <EditText        android:id="@+id/editPh"        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:layout_alignLeft="@+id/tv1"        android:layout_below="@+id/tv1"        android:hint="@string/phoneMsg"        android:ems="10" />        <TextView        android:id="@+id/textView1"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:layout_alignLeft="@+id/editPh"        android:layout_below="@+id/editPh"        android:text="@string/tvSMS" />    <EditText        android:id="@+id/etSMS"        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:layout_alignLeft="@+id/textView1"        android:layout_below="@+id/textView1"        android:ems="10" />    <Button        android:id="@+id/button1"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:layout_alignLeft="@+id/etSMS"        android:layout_below="@+id/etSMS"        android:text="@string/send" /></RelativeLayout>

3、string的资源文件

<?xml version="1.0" encoding="utf-8"?><resources>    <string name="app_name">SMS</string>    <string name="action_settings">Settings</string>    <string name="tvPhone">请输入手机号</string>    <string name="tvSMS">请输入短信内容</string>    <string name="success">发送成功</string>    <string name="fail">发送失败</string>    <string name="phoneMsg">Please a phone number</string>    <string name="send">发送</string></resources>

4、activity类的实现

public class MainActivity extends Activity {    private EditText etPhone;    private EditText etSMS;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        etPhone = (EditText)this.findViewById(R.id.editPh);//号码        etSMS = (EditText)this.findViewById(R.id.etSMS);//短信内容        Button btnSend = (Button)this.findViewById(R.id.button1);        //注册事件        btnSend.setOnClickListener(new OnClickListener() {            @Override            public void onClick(View view) {                String phone = etPhone.getText().toString();                String sms = etSMS.getText().toString();                SmsManager manager = SmsManager.getDefault();                //如果短信太长，就分割开来在进行发送                ArrayList<String> msgs = manager.divideMessage(sms);                for (String msg : msgs) {                    manager.sendTextMessage(phone, null, msg, null, null);                }                //参数分别表示上下文对象，显示消息，停留时间长短                Toast.makeText(MainActivity.this, R.string.success, Toast.LENGTH_LONG).show();            }        });            }    @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;    }}

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