本文实例为大家分享了Android短信验证码自动拦截读取 的具体代码，供大家参考，具体内容如下

知识准备：

1.观察者模式的理解【文章稍后来到~~】

2.Android的Cursor使用【Android基础】

3.正则表达式使用【Java基础】

4.Handler使用【Android基础】

代码整理：

MainActivity.java

import android.net.Uri;

import android.os.Bundle;

import android.os.Handler;

import android.os.Message;

import android.support.v7.app.AppCompatActivity;

import android.view.Menu;

import android.view.MenuItem;

import android.widget.EditText;

public class MainActivity extends AppCompatActivity {

public static final int MSG_RECEIVER_CODE = 1;

private EditText smsEt;

private Handler handler = new Handler() {

@Override

public void handleMessage(Message msg) {

switch (msg.what) {

case MSG_RECEIVER_CODE:

String message= (String) msg.obj;

smsEt.setText(message);

smsEt.setSelection(message.length());

break;

default:

break;

}

}

};

private MySmsObserver mySmsObserver;

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

smsEt = (EditText) findViewById(R.id.smsEt);

mySmsObserver = new MySmsObserver(this, handler);

Uri uri=Uri.parse("content://sms");

getContentResolver().registerContentObserver(uri,true, mySmsObserver);

}

@Override

public boolean onCreateOptionsMenu(Menu menu) {

getMenuInflater().inflate(R.menu.menu_main, menu);

return true;

}

@Override

protected void onDestroy() {

super.onDestroy();

getContentResolver().unregisterContentObserver(mySmsObserver);

}

@Override

public boolean onOptionsItemSelected(MenuItem item) {

int id = item.getItemId();

if (id == R.id.action_settings) {

return true;

}

return super.onOptionsItemSelected(item);

}

}

MySmsObserver.java

import android.content.Context;

import android.database.ContentObserver;

import android.database.Cursor;

import android.net.Uri;

import android.os.Handler;

import android.util.Log;

import java.util.regex.Matcher;

import java.util.regex.Pattern;

/**

* Created by Nate on 2015/9/28.

*/

public class MySmsObserver extends ContentObserver {

private Context mContext;

private Handler mHandler;

public MySmsObserver(Context context, Handler handler) {

super(handler);

this.mContext = context;

this.mHandler = handler;

}

@Override

public void onChange(boolean selfChange, Uri uri) {

super.onChange(selfChange, uri);

if (uri.toString().equals("content://sms/raw")) {

return;

}

Uri queryUri = Uri.parse("content://sms/inbox");

String code = "";

Cursor cursor = mContext.getContentResolver().query(queryUri, null, null, null, "date desc");

if (cursor != null) {

if (cursor.moveToFirst()) {

String address = cursor.getString(cursor.getColumnIndex("address"));

String message = cursor.getString(cursor.getColumnIndex("body"));

// TODO: 2015/9/28 这里可以根据address做一些自己的判断，比如只有特定的手机号才做判断

Log.e("guxuewu", "address:==>" + address + " message:==>" + message);

// TODO: 2015/9/28 这里可以根据自己的项目进行特定的正则表达式的编写

Pattern pattern = Pattern.compile("(\\d{6})");

Matcher matcher = pattern.matcher(message);

if (matcher.find()) {

code = matcher.group(0);

mHandler.obtainMessage(MainActivity.MSG_RECEIVER_CODE, code).sendToTarget();

}

}

cursor.close();

}

}

}

activity_main.xml

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:id="@+id/smsEt"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:layout_centerHorizontal="true"

android:ems="10" />

以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持脚本之家。