RecyclerView | A example about RecycleView

 by   liuling07 Java Version: Current License: No License

kandi X-RAY | RecyclerView Summary

kandi X-RAY | RecyclerView Summary

RecyclerView is a Java library. RecyclerView has no bugs, it has no vulnerabilities, it has build file available and it has low support. You can download it from GitHub.

A example about RecycleView.
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            kandi-support Support

              RecyclerView has a low active ecosystem.
              It has 21 star(s) with 18 fork(s). There are 4 watchers for this library.
              OutlinedDot
              It had no major release in the last 6 months.
              RecyclerView has no issues reported. There are no pull requests.
              It has a neutral sentiment in the developer community.
              The latest version of RecyclerView is current.

            kandi-Quality Quality

              RecyclerView has 0 bugs and 0 code smells.

            kandi-Security Security

              RecyclerView has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.
              RecyclerView code analysis shows 0 unresolved vulnerabilities.
              There are 0 security hotspots that need review.

            kandi-License License

              RecyclerView does not have a standard license declared.
              Check the repository for any license declaration and review the terms closely.
              OutlinedDot
              Without a license, all rights are reserved, and you cannot use the library in your applications.

            kandi-Reuse Reuse

              RecyclerView releases are not available. You will need to build from source code and install.
              Build file is available. You can build the component from source.
              RecyclerView saves you 323 person hours of effort in developing the same functionality from scratch.
              It has 776 lines of code, 45 functions and 26 files.
              It has medium code complexity. Code complexity directly impacts maintainability of the code.

            Top functions reviewed by kandi - BETA

            kandi has reviewed RecyclerView and discovered the below as its top functions. This is intended to give you an instant insight into RecyclerView implemented functionality, and help decide if they suit your requirements.
            • Called when an options item is selected
            • Add a value at a specific position
            • Removes the item at the specified position
            • Helper method to draw RecyclerView
            • Draws a RecyclerView
            • Draws a vertical view vertically
            • Setup the Stagger grid layout
            • Remove item at position
            • Creates the list
            • Initialize the data
            • Initialize the grid
            • Set the OnItemClickListener
            • Binds the itemViewHolder
            • Initialize the grid layout
            • Binds itemViewHolder to itemViewHolder
            • Invoked when the view is created
            • Draws the RecyclerView
            • Override this method to show options select items
            • This method is called when the ViewHolder is created
            • Overrides the default implementation to add items to the RecyclerView
            Get all kandi verified functions for this library.

            RecyclerView Key Features

            No Key Features are available at this moment for RecyclerView.

            RecyclerView Examples and Code Snippets

            No Code Snippets are available at this moment for RecyclerView.

            Community Discussions

            QUESTION

            android:exported added but still getting error Apps targeting Android 12 and higher are required to specify an explicit value for android:exported
            Asked 2022-Mar-24 at 15:30

            I have added android:exported="true" to my only activity in manifest but still getting below error after updating compile sdk and target sdk version to 31.I also tried rebuilding the project , invalidating cache and restart but that didn't helped

            Error- Apps targeting Android 12 and higher are required to specify an explicit value for android:exported when the corresponding component has an intent filter defined. See https://developer.android.com/guide/topics/manifest/activity-element#exported for details.

            AndroidManifest File ...

            ANSWER

            Answered 2021-Oct-05 at 10:38

            After the build has failed go to AndroidManifest.xml and in the bottom click merged manifest see which activities which have intent-filter but don't have exported=true attribute. Or you can just get the activities which are giving error.

            Add these activities to your App manifest with android:exported="true" and app tools:node="merge" this will add exported attribute to the activities giving error.

            Example:

            Source https://stackoverflow.com/questions/69287478

            QUESTION

            Compose into existing project, No virtual method Int
            Asked 2022-Feb-19 at 22:59

            Cant make compose run in existing kotlin/native project for month now, trying to set default Greeting example to splash instead of its ui, cant make it:

            ...

            ANSWER

            Answered 2021-Oct-02 at 07:10

            The issue is that your compile SDK is 31, you are targetting API 31 (Android 12) and not setting the exported attribute.

            You need to specify android:exported="true" in the manifest.

            If your app targets Android 12 and contains activities, services, or broadcast receivers that use intent filters, you must explicitly declare the android: exported attribute for these app components.

            Source https://stackoverflow.com/questions/69247978

            QUESTION

            Android Build Error: "lStar not found..."
            Asked 2022-Feb-18 at 06:59

            I have error like this after trying to build my apps in Emulator

            /Users/joel/.gradle/caches/transforms-3/06231cc1265260b25a06bafce7a4176f/transformed/core-1.7.0-alpha02/res/values/values.xml:105:5-114:25: AAPT: error: resource android:attr/lStar not found.

            I don't know what causes this error. After digging some answer which has similarly error (but in flutter) Problem. But still not solved my issue.

            I have this dependency in my project

            ...

            ANSWER

            Answered 2021-Sep-28 at 17:18

            I managed to fix this by upgrading compileSdk to 31 and kotlin gradle plugin to 1.5.10

            Source https://stackoverflow.com/questions/69041630

            QUESTION

            RecyclerView duplicating items after deletion from contextual action mode
            Asked 2021-Nov-09 at 21:20

            In this part of my app, I am trying to implement deleting of selected favorite items via contextual action mode/bar, the problem is when I select an item then delete, it's deleted from the database and selected list but it is still available in recyclerView and it adds a duplicate from another item, the following gif clarify the problem

            Edited the full adapter code FavoritesPostAdapter

            ...

            ANSWER

            Answered 2021-Nov-07 at 15:11

            Instead of using notifyItemRangeChanged(position, getItemCount());,

            you can use

            notifyItemRemoved(position);

            this is because notifyItemRangeChanged(position, getItemCount()); does not remove the item like your requirements!

            Source https://stackoverflow.com/questions/69801625

            QUESTION

            How to stop a video when the page is not visible in ViewPager2
            Asked 2021-Sep-17 at 07:26

            I have a app where I make a API call and get a arraylist of videos, which I play in a viewpager using a adapter. When I scroll the viewpager, the video playing before still keeps playing and even after I scroll again. I want it so that the video should only play when the user is on that particular viewpager view and when user scrolls the video should stop.

            Code for VideoAdapter class

            ...

            ANSWER

            Answered 2021-Sep-16 at 04:55

            You can override onViewAttachedToWindow and onViewDetachedFromWindow and play/pause your videos only when view is visible on the user.

            RecyclerAdapter

            Source https://stackoverflow.com/questions/69202521

            QUESTION

            Migrating from deprecated jcenter - issue with Google Places library
            Asked 2021-Sep-01 at 18:05

            I am trying to remove jcenter() from my project because it is deprecated. But I am using com.google.android.libraries.places:places:2.4.0 dependency that is currently the latest version, that is outlined in official docs. And interesting thing, that when I try to build project it fails, because it can't find dependency com.android.volley:volley:1.1.1. I do not use this dependency in my project directly, but I found, that it is transitive dependency inside places library.

            When I execute gradlew app:dependencies I can see such situation:

            ...

            ANSWER

            Answered 2021-Sep-01 at 18:05

            For now you can manually include the Volley dependency separately and exclude the 1.1.1 version from the Places dependency.

            Source https://stackoverflow.com/questions/68758083

            QUESTION

            Force Edit text to remove focus after submitting list in recyclerview
            Asked 2021-Aug-23 at 13:11

            I have a recycler view which have multiple edit text. On adding items to recyclerview, focus always shift towards the first editText of screen. I have already used android:focusable="true" and android:focusableInTouchMode="true" with parent layout of edit text. Below is my XML Code for the fragment:

            ...

            ANSWER

            Answered 2021-Aug-23 at 13:11

            Kindly replace your notifyDataSetChanged() with the notifyItemChanged(positionOfYourList).

            Source https://stackoverflow.com/questions/68637663

            QUESTION

            Vertical RecyclerView nested inside vertical RecyclerView
            Asked 2021-Jul-10 at 13:09

            I have spent hours/days reading around this subject but still can't find something that works. I'm trying to put a fixed-height vertically-scrolling RecyclerView in the row of another vertically-scrolling RecyclerView.

            Much of the advice is along the lines of "it's a crime to put a vertically-scrolling RecyclerView inside another vertically-scrolling RecyclerView"... but I can't figure out why this is so bad.

            In fact, the behavior would be almost exactly the same as many pages on StackOverflow (e.g. this one... and indeed this very question, at least when viewed on a mobile device), where the code sections are of a fixed (or max) height, and scroll vertically, and are contained within a page that itself scrolls vertically. What happens is that when the focus is on the code section, scrolling happens within that section, and when it reaches the upper/lower end of the scroll range of the section, then scrolling happens within the outer page. It's quite natural, not evil.

            This is my recycler_view_row_outer.xml (a row within the outer RecyclerView):

            ...

            ANSWER

            Answered 2021-Jul-09 at 16:12
            Approach No.1: Using two nested RecyclerViews

            Github sample

            Pros:

            • Views are recycled (i.e. Good performance)
            • Semi-Seamless scrolling (after update 3 & 4)

            Cons:

            • The programmatically propagated scroll during the transition from the inner to the outer scroll when the inner far end item is reached is not that smooth/natural like the gesture.
            • Complex code.

            Well, I won't address the performance issues of vertically nested RecyclerViews; But notice that:

            • The inner RecyclerView probably loses the ability of recycling views; because the shown rows of the outer recyclerView should load their items entirely. (Thankfully it's not a right assumption as per the below UPDATE 1)
            • I declared a single adapter instance in the ViewHolder not in the onBindViewHolder to have a better performance by not creating a new adapter instance for the inner RecyclerView each time views are recycled.

            The demo app represents the months of the year as the outer RecyclerView, and the day numbers of each month as inner RecyclerView.

            The outer RecyclerView registers OnScrollListener that each time it's scrolled, we do this check on the inner RV:

            • If outer scrolling up: check if the inner first item is shown.
            • If outer scrolling down: check if the inner last item is shown.

            Source https://stackoverflow.com/questions/68200773

            QUESTION

            Click through RecyclerView ViewHolder
            Asked 2021-Jun-30 at 11:56

            I have a RecyclerView that displays an Button which extends outside its parent ViewHolder. To the button I added a clickListener to display a toast. If you click on the Button and the click is on the area of the Button parent ViewHolder, the toast shows, but if you click on the button but outside its parent ViewHolder the toast doesn't show anymore.

            Here's what I currently have

            RecyclerView:

            ...

            ANSWER

            Answered 2021-Jun-30 at 11:56

            The problem is that the Android touch system initiates the touch on the ViewGroup (here a ConstraintLayout) and then propagates it to the children of the ViewGroup but the touch must be on the portion of the child that overlaps the ViewGroup. This is what you see.

            Here is a good explanation of what happens.

            I think that the best approach, if you need to stick to the current design, will be to capture the touch of the first ancestor of your view item that encapsulates the entirety of the button. You could then test touch events on that ancestor to see if they are also within the bounds of the button. If they are, you would then dispatch the touch event to dispatchTouchEvent() of the button.

            Here is a simple demo of what is happening. I don't use a RecyclerView but, instead, use a simpler layout that show a button that straddles the right edge of a ConstraintLayout that is contained within a LinearLayout. The goal is to get the button 1/2 in its parent ViewGroup and 1/2 out to show how clicks happen.

            In the demo, a switch determines whether we want to detect clicks on the part of the button that resides outside its parent. When the switch is "off", clicks on the outside are not detected and when the switch is on, clicks on the outside are detected.

            Here is the code for the demo. The code establishing an on-screen hit rectangle for the button and checks within the dispatchTouchEvent() for the main activity if the touch is inside the hit rectangle or not.

            MainActivity.kt

            Source https://stackoverflow.com/questions/68086355

            QUESTION

            How to enable dragging on ViewPager2 inside BottomSheetDialogFragment?
            Asked 2021-Jun-08 at 00:15

            There's a BottomSheetDialogFragment and working good vertically dragging states on fragment layout and opening STATE_EXPANDED mode. There's a recyclerview inside it and dragging vertically works on the bottom sheet but it doesn't work on recyclerview because of scrolling event. How the bottom sheet dragging event to work instead of scroll event on recyclerview when reached top of list and still scrolling up for collapse the bottom sheet?

            BottomSheetDialogFragment hierarchy:

            ...

            ANSWER

            Answered 2021-Jun-01 at 23:19

            If you use STATE_EXPANDED mode is default mode and hideable property is true ,you can not drag it down.

            So set BottomSheetBehavior.STATE_COLLAPSED is default mode and set hideable ,PeakHight property.

            Source https://stackoverflow.com/questions/67749500

            Community Discussions, Code Snippets contain sources that include Stack Exchange Network

            Vulnerabilities

            No vulnerabilities reported

            Install RecyclerView

            You can download it from GitHub.
            You can use RecyclerView like any standard Java library. Please include the the jar files in your classpath. You can also use any IDE and you can run and debug the RecyclerView component as you would do with any other Java program. Best practice is to use a build tool that supports dependency management such as Maven or Gradle. For Maven installation, please refer maven.apache.org. For Gradle installation, please refer gradle.org .

            Support

            For any new features, suggestions and bugs create an issue on GitHub. If you have any questions check and ask questions on community page Stack Overflow .
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