<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: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"android:orientation="vertical"> <EditTextandroid:id="@+id/et_phone"android:layout_width="match_parent"android:layout_height="wrap_content"android:inputType="phone"android:hint="请输入对方号码"/><EditTextandroid:id="@+id/et_content"android:layout_width="match_parent"android:layout_height="wrap_content"android:lines="5"android:hint="请输入短信内容"android:gravity="top"/><Buttonandroid:layout_width="wrap_content"android:layout_height="wrap_content"android:text="发送"android:onClick="send"/></LinearLayout>然后在activity中把发短信的代码写出来:
package com.ydl.smssender;import java.util.ArrayList;//省略导包public class MainActivity extends Activity { @Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);}public void send(View v){//拿到用户输入的号码和内容EditText et_phone = (EditText) findViewById(R.id.et_phone);EditText et_content = (EditText) findViewById(R.id.et_content);String phone = et_phone.getText().toString();String content = et_content.getText().toString();//1.获取短信管理器SmsManager sm = SmsManager.getDefault();//2.切割短信,把长短信分成若干个小短信ArrayList<String> smss = sm.divideMessage(content);//an ArrayList of strings that, in order, comprise the original message//3.for循环把集合中所有短信全部发出去for (String string : smss) { sm.sendTextMessage(phone, null, string, null, null);//Send a text based SMS.}}}发短信是需要系统权限的:
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