OTP View in Android

Library size is : 13.2Kb

Setup Project

Add this to your project build.gradle

allprojects {
    repositories {
        maven {
            url "https://jitpack.io"
        }
    }
}

Add this to your project build.gradle

Dependency

dependencies {
        implementation 'com.github.appsfeature:otp-view:1.1'
}

Screenshots

OTP-view Usage methods

OTP Box implementation changes in layout.xml file

    <com.otpview.OTPTextView
        android:id="@+id/otp_view"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:textColor="@android:color/black"
        app:otp_text_size="20sp"
        app:otp_box_background="@drawable/bg_otp_box"
        app:otp_box_background_active="@drawable/bg_otp_box_active"
        app:otp_box_background_inactive="@drawable/bg_otp_box_inactive"
        app:otp_box_background_error="@drawable/bg_otp_box_error"
        app:otp_box_background_success="@drawable/bg_otp_box_success"
        app:hide_otp_drawable="@drawable/bg_otp_box_hide"
        app:height="45dp"
        app:width="40dp"
        app:box_margin="6dp"
        app:hide_otp="false"
        app:length="6"
        app:otp=""/>

Dash View implementation changes in layout.xml file

    <com.otpview.OTPTextView
        android:id="@+id/otp_view"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:textColor="@android:color/black"
        app:otp_text_size="20dp"
        app:bar_enabled="true"
        app:bar_error_color="@color/red"
        app:bar_active_color="@color/black"
        app:bar_inactive_color="@android:color/darker_gray"
        app:hide_otp_drawable="@drawable/bg_otp_box_hide"
        app:bar_success_color="#33cc33"
        app:bar_margin_bottom="0dp"
        app:bar_margin_left="2dp"
        app:bar_margin_right="2dp"
        app:bar_height="1.5dp"
        app:box_margin="0dp"
        app:height="40dp"
        app:width="40dp"
        app:hide_otp="true"
        app:length="4"
        app:otp=""/>

Activity class setup

class MainActivity : AppCompatActivity() {
     private lateinit var otpTextView : OTPTextView

     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_sample1)

         val errorButton = findViewById<Button>(R.id.button)
         val successButton = findViewById<Button>(R.id.button2)
         otpTextView = findViewById(R.id.otp_view) as OTPTextView
         otpTextView.requestFocusOTP()
         otpTextView.otpListener = object : OTPListener {
             override fun onInteractionListener() {

             }

             override fun onOTPComplete(otp: String) {
                 Toast.makeText(this@MainActivity, "The OTP is $otp", Toast.LENGTH_SHORT).show()
             }
         }
         errorButton.setOnClickListener { otpTextView.showError() }
         successButton.setOnClickListener { otpTextView.showSuccess() }

         additionalMethods()
     }

     fun additionalMethods() {
         otpTextView.getOtpListener();  // retrieves the current OTPListener (null if nothing is set)
         otpTextView.requestFocusOTP(); //sets the focus to OTP box (does not open the keyboard)
         otpTextView.setOTP(otpString); // sets the entered otpString in the Otp box (for case when otp is retrieved from SMS)
         otpTextView.getOTP();  // retrieves the OTP entered by user (works for partial otp input too)
         otpTextView.showSuccess(); // shows the success state to the user (can be set a bar color or drawable)
         otpTextView.showError();   // shows the success state to the user (can be set a bar color or drawable)
         otpTextView.resetState();  // brings the views back to default state (the state it was at input)
     }
 }

Color Resources

    <color name="color_background_box">#F5F5F5</color>
    <color name="color_background_box_stroke">#DEDEDE</color>
    <color name="color_background_box_stroke_active">#A5A5A5</color>

ChangeLog

Version v1.0 :

• compileSdk 33
• JavaVersion.VERSION_1_8
• Versions
  • plugin 'org.jetbrains.kotlin.android' version '1.7.10'
  • dependency 'androidx.core:core-ktx' version '1.9.0'
  • dependency 'androidx.appcompat:appcompat' version '1.5.1'

Version v1.1 :

• compileSdk 33
• JavaVersion.VERSION_1_8
• Versions
  • plugin 'org.jetbrains.kotlin.android' version '1.8.0'
  • dependency 'androidx.core:core-ktx' version '1.9.0'
  • dependency 'androidx.appcompat:appcompat' version '1.5.1'