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Add Text field Validation (#9)

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* Add Text field validation

* Implement Better Validation
This commit is contained in:
Praveen Kumar 2024-06-13 16:12:36 +05:30 • committed by GitHub
parent 9aabfa6261
commit 85d6a7410c
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3 changed files with 32 additions and 3 deletions
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1
app/build.gradle
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@ -43,6 +43,7 @@ dependencies {
implementation 'androidx.appcompat:appcompat:1.6.1'
implementation 'com.google.android.material:material:1.11.0'
implementation 'androidx.constraintlayout:constraintlayout:2.1.4'
implementation 'com.google.guava:guava:33.1.0-android'
def shizuku_version = '13.1.5'
implementation "dev.rikka.shizuku:api:$shizuku_version"

32
app/src/main/java/ru/karasevm/privatednstoggle/AddServerDialogFragment.kt
View file

@ -2,9 +2,15 @@ package ru.karasevm.privatednstoggle
import android.app.Dialog
import android.content.Context
import android.content.DialogInterface
import android.os.Bundle
import android.text.Editable
import android.text.TextUtils
import android.text.TextWatcher
import androidx.appcompat.app.AlertDialog
import androidx.fragment.app.DialogFragment
import com.google.android.material.dialog.MaterialAlertDialogBuilder
import com.google.common.net.InternetDomainName
import ru.karasevm.privatednstoggle.databinding.DialogAddBinding
@ -60,7 +66,7 @@ class AddServerDialogFragment : DialogFragment() {
) { _, _ ->
listener.onDialogPositiveClick(
this,
binding.editTextServerAddr.text.toString()
binding.editTextServerAddr.text.toString().trim()
)
}
.setNegativeButton(R.string.cancel
@ -71,5 +77,29 @@ class AddServerDialogFragment : DialogFragment() {
} ?: throw IllegalStateException("Activity cannot be null")
}
override fun onStart() {
super.onStart()
val button = ((dialog) as AlertDialog).getButton(DialogInterface.BUTTON_POSITIVE)
binding.editTextServerAddr.addTextChangedListener(object : TextWatcher {
override fun beforeTextChanged(s: CharSequence?, start: Int, count: Int, after: Int) {}
override fun onTextChanged(s: CharSequence?, start: Int, before: Int, count: Int) {}
override fun afterTextChanged(s: Editable?) {
val server = binding.editTextServerAddr.text.toString().trim()
if (TextUtils.isEmpty(server) || !isValidServer(server)) {
button.isEnabled = false
} else {
binding.editTextServerAddr.error = null
button.isEnabled = true
}
}
})
}
private fun isValidServer(str: String): Boolean {
return InternetDomainName.isValid(str)
}
}

2
app/src/main/res/layout/dialog_add.xml
View file

@ -5,8 +5,6 @@
android:layout_height="wrap_content">
<com.google.android.material.textfield.TextInputLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_margin="16dp"