package com.nimatech.caopeng.sendsms;import android.Manifest;
import android.app.AlarmManager;
import android.app.PendingIntent;
import android.content.ContentResolver;
import android.content.Context;
import android.content.Intent;
import android.database.ContentObserver;
import android.database.Cursor;
import android.net.Uri;
import android.os.Bundle;
import android.os.Handler;
import android.support.design.widget.FloatingActionButton;
import android.support.design.widget.Snackbar;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.Toolbar;
import android.telephony.SmsManager;
import android.view.View;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.Button;
import android.widget.TextView;
import android.widget.Toast;import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.regex.Matcher;
import java.util.regex.Pattern;public class MainActivity extends AppCompatActivity {SmsManager smsManager = SmsManager.getDefault();private Button button;private Button settimebutton;final private int REQUEST_CODE_ASK_PERMISSIONS = 123;private SmsObserver smsObserver;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);Button button = (Button) findViewById(R.id.send0);Button settimebutton = (Button) findViewById(R.id.settimesend);smsObserver = new SmsObserver(this, smsHandler);TextView textView1 = (TextView) findViewById(R.id.textView1);getContentResolver().registerContentObserver(SMS_INBOX, true, smsObserver);setSupportActionBar(toolbar);
//        requestPermissions(new String[]{Manifest.permission.SEND_SMS},
//                REQUEST_CODE_ASK_PERMISSIONS);
FloatingActionButton fab = (FloatingActionButton) findViewById(R.id.fab);fab.setOnClickListener(new View.OnClickListener() {@Overridepublic void onClick(View view) {smsManager.sendTextMessage("10000", null, "xykdmm", null, null);Toast.makeText(MainActivity.this, "只需要点一下就好了！", Toast.LENGTH_LONG).show();}});button.setOnClickListener(new View.OnClickListener() {@Overridepublic void onClick(View v) {smsManager.sendTextMessage("10000", null, "xykdmm", null, null);Toast.makeText(MainActivity.this, "只需要点一下就好了！", Toast.LENGTH_LONG).show();}});settimebutton.setOnClickListener(new View.OnClickListener() {@Overridepublic void onClick(View v) {//操作：发送一个广播，广播接收后Toast提示定时操作完成Intent intent = new Intent(MainActivity.this, AlermReceiver.class);intent.setAction("short");PendingIntent sender =PendingIntent.getBroadcast(MainActivity.this, 0, intent, 0);//设定一个五秒后的时间Calendar calendar = Calendar.getInstance();calendar.setTimeInMillis(System.currentTimeMillis());calendar.add(Calendar.SECOND, 20);AlarmManager alarm = (AlarmManager) getSystemService(ALARM_SERVICE);alarm.set(AlarmManager.RTC_WAKEUP, calendar.getTimeInMillis(), sender);
//或者以下面方式简化
//alarm.set(AlarmManager.RTC_WAKEUP, System.currentTimeMillis()+5*1000, sender);
}});}public Handler smsHandler = new Handler() {// 这里可以进行回调的操作// TODOpublic void handleMessage(android.os.Message msg) {System.out.println("smsHandler 执行了.....");};};private Uri SMS_INBOX = Uri.parse("content://sms/");public void getSmsFromPhone() {ContentResolver cr = getContentResolver();String[] projection = new String[]{"body", "address", "person"};// "_id", "address",// "person",, "date",// "typeString where = " date >  "+ (System.currentTimeMillis() - 10 * 60 * 1000);Cursor cur = cr.query(SMS_INBOX, projection, where, null, "date desc");if (null == cur)return;if (cur.moveToNext()) {String number = cur.getString(cur.getColumnIndex("address"));// 手机号String name = cur.getString(cur.getColumnIndex("person"));// 联系人姓名列表String body = cur.getString(cur.getColumnIndex("body"));System.out.println(">>>>>>>>>>>>>>>>手机号：" + number);System.out.println(">>>>>>>>>>>>>>>>联系人姓名列表：" + name);System.out.println(">>>>>>>>>>>>>>>>短信的内容：" + body);// 这里我是要获取自己短信服务号码中的验证码~~// body="测试验证码2346ds";Pattern pattern = Pattern.compile("[a-zA-Z0-9]{6}");Matcher matcher = pattern.matcher(body);//
if (matcher.find()) {String res = matcher.group().substring(0, 6);// 获取短信的内容
setTextView(res);System.out.println(res);}}}protected void setTextView(String text) {TextView textView = (TextView) findViewById(R.id.textView1);textView.setText(text);}@Overridepublic boolean onCreateOptionsMenu(Menu menu) {// Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.menu_main, menu);return true;}@Overridepublic boolean onOptionsItemSelected(MenuItem item) {// Handle action bar item clicks here. The action bar will// automatically handle clicks on the Home/Up button, so long// as you specify a parent activity in AndroidManifest.xml.int id = item.getItemId();//noinspection SimplifiableIfStatementif (id == R.id.action_settings) {return true;}return super.onOptionsItemSelected(item);}class SmsObserver extends ContentObserver {public SmsObserver(Context context, Handler handler) {super(handler);}@Overridepublic void onChange(boolean selfChange) {super.onChange(selfChange);// 每当有新短信到来时，使用我们获取短消息的方法
            getSmsFromPhone();}}
}

package com.nimatech.caopeng.sendsms;import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.telephony.SmsManager;
import android.widget.Toast;/*** Created by caopeng on 15/10/31.*/
public class AlermReceiver extends BroadcastReceiver {SmsManager smsManager = SmsManager.getDefault();public void onReceive(Context context, Intent intent) {
// TODO Auto-generated method stubif(intent.getAction().equals("short")){smsManager.sendTextMessage("10000", null, "xykdmm", null, null);Toast.makeText(context, "短信已发送", Toast.LENGTH_LONG).show();}else{Toast.makeText(context, "repeating alarm",Toast.LENGTH_LONG).show();}}
}

<TextView android:text=" " android:layout_width="wrap_content"android:layout_height="wrap_content"android:id="@+id/textView1"android:textColor="#000000"android:textSize="50dp"android:layout_marginTop="52dp"android:layout_below="@+id/textView"android:layout_alignParentLeft="true"android:layout_alignParentStart="true" /><Buttonandroid:layout_width="wrap_content"android:layout_height="wrap_content"android:text="只需要点一下就好了"android:id="@+id/send0"android:layout_marginBottom="91dp"android:layout_alignParentBottom="true"android:layout_centerHorizontal="true"/><Buttonandroid:layout_width="wrap_content"android:layout_height="wrap_content"android:text="定时发送"android:id="@+id/settimesend"android:layout_alignTop="@+id/send0"android:layout_alignParentLeft="true"android:layout_alignParentStart="true" /><TextViewandroid:layout_width="wrap_content"android:layout_height="wrap_content"android:textAppearance="?android:attr/textAppearanceSmall"android:text="验证码是："android:id="@+id/textView"android:textColor="#000000"android:textSize="30dp"android:layout_alignParentTop="true"android:layout_alignLeft="@+id/textView1"android:layout_alignStart="@+id/textView1"android:layout_marginTop="43dp" />

<uses-permission android:name="android.permission.SEND_SMS" />
<uses-permission android:name="android.permission.READ_SMS" />
// 取得读取与发送短信的权限
<receiver android:name="com.nimatech.caopeng.alerm.AlermReceiver"/>
// 注册接收器