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Get activity in kotlin

WebJan 9, 2024 · When the activity is destroyed and recreated, such as during a screen orientation change, the context reference results in a memory leak, because it references a destroyed context. I believe you can demonstrate this problem by changing your screen orientation until your app crashes due to the leak. – Daniel C Jacobs Sep 24, 2024 at 16:07 WebFeb 20, 2024 · To pass and get value from fragment and activity, val mFragment = Fragment() val mArgs = Bundle() mArgs.putInt("Key", value) …

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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 … WebDec 27, 2024 · You get the Activity from PackageManager then you start it by name. val activities = packageManager .getPackageInfo(packageName, … my alcatel one touch touchscreen wont work https://ultranetdesign.com

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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. 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' ... 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. my alcohol song

Kotlin: How to get and set a text to TextView in Android …

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Get activity in kotlin

How do i get Activity instead of FragmentActivty?

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 … WebNov 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 …

Get activity in kotlin

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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 WebAug 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 …

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 … WebMar 29, 2024 · Drive an activity's state. One key aspect of testing your app's activities involves placing your app's activities in particular states. To define this "given" part of your tests, use instances of ActivityScenario , part of the AndroidX Test library. Using this class, you can place your activity in states that simulate device-level events.

WebSep 13, 2016 · Everything can be done in a single line: startActivity ("id" to 2, "name" to "Kotlin") This will create a set of extras for the intent with the values specified by the list of pairs the function is receiving as a parameter. Share Improve this answer Follow edited May 22, 2024 at 22:56 DarkCygnus 7,230 4 38 57

WebApr 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 to paint slateWebJan 27, 2024 · In the onCreate do this. activity = this; Then in the second activity do this, Activity activity = (your activity name).activity; Edit: For passing data from one activity to other activity this is not the way. Above answer was to get activity instance from other activity which was initially asked. how to paint skyWeb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 … how to paint sky in watercolourWebApr 5, 2014 · 5 Answers. Sorted by: 188. You can use. View view = getActivity ().findViewById (R.id.viewid); Quoting docs. Specifically, the fragment can access the Activity instance with getActivity () and easily perform tasks such as find a view in the activity layout. Share. Improve this answer. how to paint sky with acrylic paintWebDec 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 … how to paint skylight shaftWebJul 10, 2012 · If you're using kotlin then it can help yoy to get current activity name. However getRecentTasks() method is deprecated in Java. val am: ActivityManager = … how to paint sky with watercolorWebAug 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. how to paint skirting with carpet