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

dependencies {
   implementation('com.gitee.chinasoft_ohos:PasswordStrengthBar:1.0.0')
   ......
}

<com.ohos.thenishchalraj.passwordstrength.PasswordStrengthBar
        ohos:id="$+id:passwordBarCheck"
        ohos:height="4vp"
        ohos:width="match_parent"
        ohos:top_margin="6vp"
        ohos:right_margin="16vp"
        ohos:left_margin="16vp"/>

  PasswordStrengthBar passwordStrengthBar = (PasswordStrengthBar) findComponentById(ResourceTable.Id_passwordBarCheck);
  PasswordStrengthBar passwordField = (TextField) findComponentById(ResourceTable.Id_passwordFieldCheck);
  passwordStrengthBar.setStrengthColor(-3355444, mColor1, mColor2, mColor3, mColor4);
  passwordField.addTextObserver(new Text.TextObserver() {

      @Override
      public void onTextUpdated(String str, int i, int i1, int i2) {
          calculation(str);
          if (str.isEmpty()) {
              see.setVisibility(Component.INVISIBLE);
          } else {
              see.setVisibility(Component.VISIBLE);
          }}});