material-code-input

// 添加maven仓库
repositories {
   maven {
       url 'https://s01.oss.sonatype.org/content/repositories/releases/'
   }
}

// 添加依赖库
dependencies {
   implementation 'com.gitee.chinasoft_ohos:material-code-input:1.0.0'   
}

  <com.github.glomadrian.codeinputlib.CodeInput
      ohos:width="match_content"
      ohos:height="90vp"
      app:hint="Pairing code"
      />

<com.github.glomadrian.codeinputlib.CodeInput
    ohos:top_margin="20dp"
    ohos:width="wrap_content"
    ohos:height="90vp"
    app:underline_color="#457ad1"
    app:underline_selected_color="#9e1ace"
    app:text_color="#b12eff"
    app:hint_color="#77ce9d"
    app:hint="Pin code"
    app:codes="4"
    />

  CodeInput cInput = (CodeInput) findViewById(R.id.pairing);
    cInput.setCodeReadyListener(new CodeInput.codeReadyListener() {
      @Override
      public void onCodeReady(Character[] code) {
        // Code has been entered ....
        Toast.makeText(MainActivity.this,"code entered is : "+ Arrays.toString(code),Toast.LENGTH_SHORT).show();
      }
    });

 Copyright 2015 Adrián García Lomas

 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
 You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

 Unless required by applicable law or agreed to in writing, software
 distributed under the License is distributed on an "AS IS" BASIS,
 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License.