Questions related to Kotlin Android Extensions
Questions tagged [kotlin-android-extensions]
721 questions
-1
votes
1 answer
Retrofit, response error handling (kotlin)
I am using Retrofit 2.6.3 .
I can directly return data model now with Retrofit:
interface WikiApiService {
// Here declare that the function returns Observable
@GET("student/")
fun getStudent(@Query("id") sid: Int):…

Leem
- 17,220
- 36
- 109
- 159
-1
votes
3 answers
Assign a integer number to toolbar as title in Kotlin
I am developing Android project in Kotlin.
I got my toolbar:
@BindView(R.id.tool_bar)
lateinit var toolbar: Toolbar
I want to set its title :
// student.id is a int type
toolbar.title = student.id
Student's id is a Int type. toolbar.title expects…

Leem
- 17,220
- 36
- 109
- 159
-1
votes
1 answer
"kotlin-android-extensions" find id is null in apply
When I use apply,"kotlin-android-extensions" find id is null
private val nickDialog: NickDialog by lazy {
NickDialog(this@AccountInformationActivity).apply {
this.setOnClickConfirmListener {
…

Symphony
- 13
- 3
-1
votes
2 answers
how to disable screen recording in android using Kotlin?
In generally while we use java , we use the below code
getWindow().setFlags(WindowManager.LayoutParams.FLAG_SECURE, WindowManager.LayoutParams.FLAG_SECURE);
to disable screen recording. How can we do this in Kotlin ?

NJR
- 37
- 2
- 8
-1
votes
2 answers
lateinit property songurl has not been initialized although I did
I have two activities first one has public String var called songurl and button leads to the second activity and second activity has mediaplayer receive URL from the String var which is in the first activity and then start playing but the problem is…

Mohamed Mohamed
- 15
- 4
-1
votes
2 answers
Unresolved Symbol toInt() in MainActivity Kotlin Android
this is my code for Main activity
import android.support.v7.app.AppCompatActivity
import android.os.Bundle
import android.view.View
import kotlinx.android.synthetic.main.activity_main.*
class MainActivity : AppCompatActivity() {
override fun…

Anjani Mittal
- 507
- 1
- 7
- 19
-1
votes
1 answer
Parcelize and ObjectBox clash
I'm using kotlin and ObjectBox in my application. My object box entity looks something like
@Entity
class Order {
@Id var id: Long = 0
lateinit var customer: ToOne
}
@Entity
class Customer {
@Id var id: Long = 0
…

Sriram R
- 2,109
- 3
- 23
- 40
-1
votes
1 answer
In Kotlin Programming language importance of varargs in terms of uses
Let me know what is the importance of varargs in Kotlin, if there is any document or some useful links. Please share.

Nishant Gupta
- 457
- 3
- 16
-1
votes
3 answers
Start a Project with the help of Kotlin in android
I am new in Kotlin for android and i have just started to learn.Please let me know how i should have a knowledge about Kotlin for creating a project in Android with the help of Kotlin.?

Peter
- 587
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- 16
-1
votes
2 answers
supportActionBar is null using Kotlin Android always
Just now google has made the Kotlin as an official programming language, so started converting my files to Kotlin.
While converting my code, I am always getting null pointer exception when I try to use supportActionBar
// set up action bar
…

DevAnuragGarg
- 1,592
- 2
- 14
- 18
-2
votes
3 answers
Android In dutch language comma (,) is interpreted as dot (.)
I am using the following code to format the amount entered by user in EditText.
fun String.formatWithComma(): String {
return try {
val formatter = DecimalFormat("#,###,###")
formatter.format(toDouble())
} catch (ex:…

Bilal Bangash
- 207
- 2
- 8
-2
votes
1 answer
Fresco with kotlin?
I am trying to display a image popup in Kotlin and for that I am creating a dilog and set image from url using library fresco but I am getting error with syntax how should I do this below is my implementation.
I want to set onclick event too how to…

someonetonobody
- 77
- 8
-2
votes
1 answer
How does Subtracting User Input Work in Kotlin on Android
I know this is wrong pls help Search all over Yt and nothing on how to do it :( need to learn how to use maths with Variable
package com.example.myapplication
import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
import…

TITANxMaster 77
- 11
- 1
- 2
-2
votes
2 answers
android-studio 's program crashes while trying to run it
hey everybody i'm french so please excuse my bad english .
i'm a programmer who's learning kotlin and i'm making my first program with android studio so i want to make a button(add) who when pressed will add the content of two textboxes(imp1/imp2)…
-2
votes
1 answer
listview per in click dont show Tost in kotlin lang?
What is the wrong in ListView per on click dont show Tost