Android短信验证码自动填写实现代码

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical" > <EditText  android:id="@+id/ed_smsVaild" android:layout_width="match_parent" android:layout_height="wrap_content" android:hint="输入验证码"/></LinearLayout>

public class MainActivity extends Activity { public static final int SMSCODE = 1 ; SmsObserver smsObserver; private EditText editText; /** * 一个handle用于更新主ui中的Edittext */ private Handler mHandler = new Handler(){ public void handleMessage(android.os.Message msg) {  if (msg.what == SMSCODE) {  String codeString = (String)msg.obj;  editText.setText(codeString);  } }; }; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); editText = (EditText) findViewById(R.id.ed_smsVaild); //创建内容观察者的对象 smsObserver = new SmsObserver(MainActivity.this, mHandler); //短信的uri为content://sms Uri uri = Uri.parse("content://sms"); //注册内容观察者 this.getContentResolver().registerContentObserver(uri, true, smsObserver); } /** * 不用的时候将内容观察者手动撤销 */ @Override protected void onPause() { getContentResolver().unregisterContentObserver(smsObserver); }}

public class SmsObserver extends ContentObserver{ private Context mContext; private Handler mHandler; /** * 实现构造方法，context用于获得上下文，handle用于发送消息，便于更新ui * @param context * @param handler */ public SmsObserver(Context context,Handler handler){ super(handler); this.mContext = context; this.mHandler = handler; } /** * 重写onchange()方法 */ @Override public void onChange(boolean selfChange, Uri uri) { String code = ""; Log.i("Info", "sms has changed"); Log.i("Info", uri.toString()); /**  * 当uri的内容为content://sms/raw时，这个短信是不存在数据库中的，  * 只有第二次的时候才写入数据库  */ if (uri.toString().equals("content://sms/raw")) {  return; } //收件箱的uri Uri inboxUri = Uri.parse("content://sms/inbox"); //查询短信，按时间降序进行排序 Cursor cursor = mContext.getContentResolver().query(inboxUri, null, null, null, "date desc"); if (cursor != null) {  if (cursor.moveToFirst()) {  //读出发件人和短信内容  String address = cursor.getString(cursor.getColumnIndex("address"));  String body = cursor.getString(cursor.getColumnIndex("body"));  Log.i("info", "发件人为："+address +""+"短信内容为"+body);  //正则表达式d{6}的意思是连续6位是数字的就提取出来  Pattern pattern = Pattern.compile("(//d{6})");  //对短信的内容进行匹配  Matcher matcher = pattern.matcher(body);  if (matcher.find()) {   code = matcher.group(0);   Log.i("Info", code);   //将code发送到主线程   Message msMessage = new Message();   msMessage.what = MainActivity.SMSCODE;   msMessage.obj = code;   mHandler.sendMessage(msMessage);  }  }  cursor.close(); } }}

if(!address.equals("XXXXXXXXXXXX")){ return;}