Get activity in kotlin

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August undefined, 2024

WebMay 21, 2024 · In kotlin don't use getters and setters as like in java.The correct format of the kotlin is given below. val textView: TextView = findViewById (R.id.android_text) as … Web7. One more way is:: Write a method in your adapter lets say public void callBack () {}. Now while creating an object for adapter in activity override this method. Override method will be called when you call the method in adapter. Myadapter adapter = new Myadapter () { @Override public void callBack () { // dosomething } }; Share.

How to pass and get value from fragment and activity

WebSo it is important to use in both parts activity context to get the same instance. Activity part: ... I'm using kotlin language I'm used same as tutorial but not working Here's example codes how to declare my ViewModel. add dependencies in build.gradle: implementation 'androidx.fragment:fragment-ktx:1.4.1' ... WebMay 5, 2024 · Get current activity context : View.getContext() This method can be called on a View like textView.getContext() . This will give the context of activity in which the view … how cold is 1 degree

android - unresolved reference: activity errors - Stack Overflow

WebJan 1, 2024 · Quoting the Kotlin documentation: Methods that follow the Java conventions for getters and setters (no-argument methods with names starting with get and single … WebOct 16, 2024 · getActivity (kotlin: activity) inside a fragment gives me FragmentActivity. But now i need Activity instead of FragmentActivity for a specific listener and its not possible to cast it to Activity. android android-fragments android-activity android-fragmentactivity Share Improve this question Follow asked Oct 16, 2024 at 12:03 King Bufo 171 1 12 WebJul 28, 2024 · getActivity () / context in a ViewHolder in Kotlin Android. I'm building a ViewHolder and Adapter for a Fragment and when I try to make an OnClick for the … how many points for 65 in a 50

Getting Context from Activity in Kotlin fragment - Stack Overflow

Kotlin Android start new Activity - Stack Overflow

WebSep 7, 2024 · Getting activity from a fragment in Kotlin is optional (might be null) so the type must be Activity? then you have to safecall it like activity?.finish() and it won't crash with an NPE if activity is null. Also, you can use property syntax and just call activity … WebAug 13, 2024 · The second activity is started from clicking a MenuItem on the Toolbar widget, defined in the res/menu/menu_main.xml layout. The second activity is shown … how cold in alaskaWebAug 5, 2024 · Use below code to start your Activity. // start your activity by passing the intent startActivity (Intent (this, Page2::class.java).apply { // … how many points earn per night marriott

"WebNov 28, 2024 · In DepositActivity you need to set data using method setResult () before finishing DepositActivity. If you want to pass some data to DepositActivity use intent for … " - Get activity in kotlin

Get activity in kotlin

Kotlin Android start new Activity - Stack Overflow

WebAug 13, 2024 · Initially, my guess was that intents are used to go to another activity, and that it needs another intent to go back to the previous activity. Another guess was that you use EXTRA data on the intent to get data to ToolsActivity, so somehow the EXTRA data is also to be used to get data back to the MainActivity. Both guesses seem to be naive.

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Web前言随着金三银四的到来，这段时间陆续开启了面试的热潮，目前Kotlin作为Android日常开发中的主要的语言基础，无疑成为Android面试中常考的一部分，为了检验自身巩固自己 … WebDec 20, 2010 · If you need to get view that you added to your activity using setContentView () method then as pottedmeat wrote you can use final ViewGroup viewGroup = (ViewGroup) ( (ViewGroup) this .findViewById (android.R.id.content)).getChildAt (0); But better just set id to this view in your xml layout and use this id instead. Share Improve this answer Follow

WebDec 26, 2024 · So in Activity you can do next: mViewModel.mName.observe(this) { it?.let { tv_emp_name.setText(it.empName) } } Also following Kotlin style guidelines it's better to … WebFeb 20, 2024 · To pass and get value from fragment and activity, val mFragment = Fragment() val mArgs = Bundle() mArgs.putInt("Key", value) …

WebJun 11, 2024 · To get the Context in the Fragment from AndroidX support library you can use method requireContext () If you need an Activity instance to which your Fragment is attached, use the requireActivity () method. Note: These methods will only work when the fragment is attached to some activity. Otherwise they will throw an error. Share Improve … WebThe best and easy way to get the activity context is putting .this after the name of the Activity. For example: If your Activity's name is SecondActivity, its context will be …

WebDec 27, 2024 · You get the Activity from PackageManager then you start it by name. val activities = packageManager .getPackageInfo(packageName, …

WebDec 29, 2024 · First, you should define constants for your Bundle names, this will help keep everything aligned. Next, define a newInstance method that takes your parameters, such as the name. And within there, you will create your Fragment and return it. This way, your Activity doesn't have to worry about the Bundle or anything. how cold is 200 degrees celsciusWebJun 17, 2024 · Kotlin Java class MainActivity : AppCompatActivity() { // Using the viewModels () Kotlin property delegate from the activity-ktx // artifact to retrieve the ViewModel in the activity scope private val viewModel: ItemViewModel by viewModels() override fun onCreate(savedInstanceState: Bundle?) { super.onCreate(savedInstanceState) how many points drop on checking credit scoreWebNov 4, 2024 · So make sure you have the right type. is ContextWrapper -> baseContext.getActivity () is a recursive call. You can get the activity from your … how many points for a 2 week sprintWebNov 27, 2024 · I know , that in Kotlin getters and setters generic automatics, but how I can set listener if it private. It is code from my Activity, but It doesn't work. CircleShape.listener = object :OnClickListenerInterface{ override fun onClick() { ToastUtils.showSuccessMessage(getContext(),"pressed") } } ... Inside the activity where … how cold is 30 degreesWebAug 5, 2024 · Simply you can start an Activity in KOTLIN by using this simple method, val intent = Intent (this, SecondActivity::class.java) intent.putExtra ("key", value) startActivity (intent) Share Improve this … how cold is 30 degrees celsiusWebApr 20, 2009 · Passing data from one Activity to Activity in android. An intent contains the action and optionally additional data. The data can be passed to other activity using intent putExtra() method. Data is passed as extras and are key/value pairs. The key is always a String. As value you can use the primitive data types int, float, chars, etc. how cold is 26 fWebJun 22, 2024 · You don't actually need an Activity to launch an Intent, you need a Context. You can get the Context of the viewholder's itemView for example, like this: … how many points field goal