I am using a checkbox to toggle password visibility in edit text. Basically, when I check/uncheck the checkbox, the cursor of the edit text shifts to the initial position of the character in the password text. It should not change the cursor position in edit text when the checkbox is checked or unchecked.
Please anyone can suggest why the cursor position changes? and how I can fix that?
login_layout
<?xml version="1.0" encoding="utf-8"?>
<layout>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".MainActivity">
<EditText
android:id="@+id/etUsername"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_margin="20dp"
android:autofillHints="name"
android:hint="Username"
android:imeOptions="actionNext"
android:inputType="text"
android:maxLines="1"
android:padding="16dp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent" />
<EditText
android:id="@+id/etPassword"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_margin="20dp"
android:autofillHints="password"
android:hint="Password"
android:imeOptions="actionDone"
android:inputType="textPassword"
android:maxLines="1"
android:padding="16dp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/etUsername" />
<CheckBox
android:id="@+id/imgTogglePassword"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="-5dp"
android:layout_marginEnd="-5dp"
android:button="@drawable/btn_toggle_password"
android:padding="16dp"
app:layout_constraintBottom_toBottomOf="@id/etPassword"
app:layout_constraintEnd_toEndOf="@id/etPassword"
app:layout_constraintTop_toTopOf="@id/etPassword" />
</androidx.constraintlayout.widget.ConstraintLayout>
</layout>
LoginActivity
import android.os.Bundle
import android.text.method.HideReturnsTransformationMethod
import android.text.method.PasswordTransformationMethod
import androidx.appcompat.app.AppCompatActivity
import androidx.databinding.DataBindingUtil
import com.example.testapp.databinding.ActivityMainBinding
class MainActivity : AppCompatActivity() {
private lateinit var binding: ActivityMainBinding
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
binding = DataBindingUtil.setContentView(this, R.layout.activity_main)
initUI()
}
private fun initUI() {
binding.imgTogglePassword.setOnCheckedChangeListener { _, isChecked ->
// checkbox status is changed from uncheck to checked.
if (!isChecked) {
// hide password
binding.etPassword.transformationMethod = PasswordTransformationMethod.getInstance()
} else {
// show password
binding.etPassword.transformationMethod = HideReturnsTransformationMethod.getInstance()
}
}
}
}
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