@Akbar have you read this? https://developer.android.com/topic/security/data

Hi guys do we have any standard naming conventions for android applications like ids,res names etc?

dependencies { def security_version = “1.0.0-alpha02” implementation “androidx.securitysecurity crypto$security_version” } https://developer.android.com/jetpack/androidx/releases/security

And the other way round, a

LiveData

as `Flow`:

@UseExperimental(ExperimentalCoroutinesApi::class)
fun <Value> LiveData<Value>.asFlow() = channelFlow<Value> {
	val observer = Observer(this::offer)
	observeForever(observer)
	awaitClose { removeObserver(observer) }
}

SQLDelight question… Has anyone been able to successfully run

generateSqlDelightSchema

with version

1.1.4

? It’s referenced in the readme but the task cannot be found, others have reported the issue without much traction so wondering if I’m missing something? https://github.com/square/sqldelight/issues/1400

Screenshot from 2019-08-26 20-56-16.png

i have been trying to get the popup message from ussd in android. I found a way. Please i would like to know if there is a better way of doing this https://github.com/Pheonix73/Read_USSD_Popup_to_LogCat

why is this not a compile error due to

@Nullable

on findViewById conflicting with

T : View

(it's not

T : View?

)

Hi, i have created this custom view and inside it i'm loading image using picasso like below, this custom view contains many other view with ImageView that's why it is extending

ConstraintLayout

-:

class CustomView(context: Context, attrs: AttributeSet) : ConstraintLayout(context, attrs) {
    init {
        var a: TypedArray? = null
	    ......
	    val backgroundImage = a.getResourceId(R.styleable.CustomView_backgroundImage, -0)// image will be from assets
        inflate(context, R.layout.custom_view, this)
        if (backgroundImage != -0) Picasso.get().load(backgroundImage).into(img_background)
            .....
    }
}

with this code app compiles and on device it loads image. but problem is that it don't show image preview on android studio and android studio unable to render layout. any solution to this ?

Hey guys. I have a data class named

UserModel

. There exist cases in my code which I used

copy

to clone the user model. My question is that is there a way to find all UserModel.copy calls?

Hi everyone, just a basic question that I'm still not 100% shure: In your opinion what's the best CoroutineScope lifetime for activities and fragments? Currently I'm cancelling(the children) of the scope when a fragment is stopped and when an activity is destroyed. I used to cancel the scope when both were destroyed, but then I had some problems of running background operations not being cancelled when navigation to another fragment (fragment on backstack is stopped, not destroyed).

What is the current state of

Kotlin

+

Jacoco

? Can I use

Jacoco

to get

JUnit

test coverage of Kotlin code? Does some one uses is on day to day basics? How mature is it currently with Kotlin?

how could i initialize val in a method provided that method is only called from constructor? For example, I'm writing custom View like that:

class IconItemView : LinearLayout {

    private var hideIcon: Boolean = true

   constructor(context: Context): this(context, null)

    constructor(context: Context, attributes: AttributeSet?): this(context, attributes, 0)

    constructor(context: Context, attributes: AttributeSet?, defStyleAttr: Int): super(context, attributes, defStyleAttr) {
        init(context, attributes, defStyleAttr)
    }

   private fun init(context: Context, attributes: AttributeSet?, defStyleAttr: Int) {
        context.obtainStyledAttributes(attributes, R.styleable.IconItemView, defStyleAttr, R.style.IconItemView)
            .apply {
                hideIcon = getBoolean(R.styleable.IconItemView_icon_item_hide_icon, true)
                recycle()
            }
    }

Property hideIcon is essentially final, since it's only assigned in constructor, though there are *init*ialization method inside. I dont want to pass the whole method body to one of constructors, but Kotlin neither allows to have that init() fuctions as a local function in ctor, nor to make hideIcon properly as val Is there any way to make the property final?

How optimal is to pass a parcelable list of 1000 rows or more from one fragment to another through a bundle? knowing that I can't persist that list and using navigation jetpack

Hey folks. I'm trying to use

Coroutines Flow

with Room and I'm receiving the following error:

this is the type that Room can't convert ☝️

Given a 100% Kotlin Android project, does moving all code from

src/main/java

to

src/main/kotlin

has any positive impact on build speed ? I'd expect to avoid at least a java compiler pass.

Can someone recommend a good Android Library for Web Scraping using Kotlin? I've seen a couple of Java libs like Jsoup.

i would like to perform an expensive operation on a background thread with the use of coroutines. I scanned some documentation and some medium posts and looks like i really need to take a deep dive to understand how to use it. Basically the expensive operation will return a Collection of objects that i will use to populate a RecyclerView.Adapter. Can anyone provide a code snippet or some sample code that can do something like that?

How do you people deal with LiveData nullability? I used it for data binding but it never nulls

May I ask a question? What’s the point of these extension methods in the source code of _Collections.kt? Occasionally find them while reading codes, a little bit confused😶

How do you deal with deeplinking? Are you using firebase dynamic links?

Would it be safe to expose a

Flow

from a custom view or could this cause leaks?

Hi, I am creating tracking app, which draws walked path into the map. App should work also with turned-off screen. I would like to use MVVM pattern. To ensure tracking with turned-off screen I am using foreground service, which implements LocationListener interface. Does anyone have any suggestions or examples how I should communicate between Service and viewModel to get updates liveData in viewModel on each localization change?

Android studio 3.5 cannot resolve mockito imports though it compiles. How can I resolve this? I have tried all possible options like invalidating cache, restart, delete .gradle amd .idea etc

@tjohnn Can't say for sure, but you might try deleting the imports then having Android Studio add them back for you and see if that helps. It's worked for me in the past with similar issues.

Is it considered good practice to utilize coroutines from an Activity/Fragment?

is there any ternary operator in kotlin ?