You also can not set the image quality, it's pixels, it's resolutions which will be captured by the users. And also RecyclerView is more flexible with large data set. Note: The getItemCount() method needs to account gracefully for the possibility that the data is not yet ready and mWords is still null. In our previous post, JSON Parsing - Android, we used ListView to display a list of posts. Add the following code to your main activity:. RecyclerView is just an advance for ListView. // Migration is not part of this practical. For now, let’s position them one below the other using a LinearLayoutManager instance. Here in this project I am not referring to the ImageView because it is constant. How to retrieve & fetch JSON form URL on server from MySQL database and also the image path is stored into PhpMyAdmin database. To use the RecyclerView widget, you have to specify an adapter and a layout manager. This inner class, MyViewHolder must extend the RecyclerView. Other customize features also required sometimes, for example, your client wants a pink color and triangle capture button. However, you must still specify how you want the list items to be positioned. What are some important methods to know on RecyclerViews? 6. Questions: I am having an issue getting images from my firebase realtime database. This is how Google describes RecyclerView in the API documentation of the L preview release: A flexible view for providing a limited window into a large data set. (childInContact != null && mListener. RecyclerView. As we already know, recyclerView is advanced and flexible version of ListView. Load More RecyclerView and Bottom ProgressBar If you have a project with a requiement that get list user from webservice then use RecyclerView to show users. But since the Android team was building an enhancement, they added a bunch of new features to RecyclerView. RecyclerView is a very powerful and flexible tool available to Android developers. And I say "fixed" because this exception won't be thrown anymore (in this new version at least), but I'm not sure if I did the right thing as I think the exception is more related to the way the ObservableList is manipulated and the RecyclerView being attached and detached than the library itself. child_layout_to_merge, parent_layout, false);. (or turn off firewall from control panel). Here in this project I am not referring to the ImageView because it is constant. The following is a tutorial on how I like to implement the RecyclerView, Adapter, and ViewHolder pattern. onItemRangeRemoved to, called when notifyItemRangeRemoved is used. It is possible to perform transition for multiple views but we must have to create pair with View and TransitionName. The issue with above problem is that any view that have its own scroll when wrapped inside an another view which has scroll it will not allow the view the to expand by itself. You will need to use the NestedScrollView instead as shown in this example. Adapter, which handles the full list of items to be displayed. To fetch JSON data in android I used java's builtin class called AsyncTask and HttpUrlConnection and Android JSON Parsing will be done by using JSONArray and JSONObject class and finally, to display the data we use the RecyclerView(Supported in Android. notifyDataSetChanged() has been called and new layout has not yet been calculated. In a more sophisticated app, you could display placeholder data or something else that would be meaningful to the user. A First Glance at Android’s RecyclerView August 14th, 2014 By Wolfram Rittmeyer At this year's Google I/O, Google released a preview to the upcoming Android version. You must tweak above code as per your requirements. (Large preview) 23- It’s feels great to see Android Recyclerview filled with beautiful beaches, one thing remaining is to have the Share and Visit button fully function. RecyclerView. In this tutorial we are going to develop fully dynamic android application with RecyclerView, CardView, ImageView, TextView in the form of ListView using JSON data that is coming from MySQL database which is store on server. By default when you create the fragment, the onCreateView method appears as follows: return inflater. Download Complete Source Code of the Android Dynamic RecyclerView with MYSQL Server Requirements for the App 1) Android Studio. 2 Add RecyclerView to MainActivity. I am working on an android application which contains modules like offline mapsI want to download map (data set) of a particular area based on user input then user can select two locations start and destination and i need to draw routes on the map. Questions: I am having an issue getting images from my firebase realtime database. setLayoutManager(new GridLayoutManager(this,2,GridLayoutManager. This inner class, MyViewHolder must extend the RecyclerView. Why not make it a different type of class? 3. If you want to use a RecyclerView, you will need to feel comfortable with three elements: – RecyclerView. I had to look for ranges and indices and what not, many iterations for nothing. 8- First view that you are going to add inside recyclerview_mail_item. I've spent a lot of time finding less hassle ways to trigger updates when new data arrives when my adapter is not empty. In our previous post, JSON Parsing - Android, we used ListView to display a list of posts. FloatingActionButton class is used to implement the floating […]. ListView dan RecyclerView are pretty common widget that has been used on Native Android development. I am working on an android application which contains modules like offline mapsI want to download map (data set) of a particular area based on user input then user can select two locations start and destination and i need to draw routes on the map. I am developing a POS system in android and trying to list images from an api into a fragment with a recyclerview. Each one of these new features, give a platform to developers for. ItemHolderInfo: The information that was returned from recordPreLayoutInformation(State, ViewHolder, int, List). How to add Android share intent function. In this tutorial we are going to see how to create Recyclerview with Circuler Image. I have populted recyclerView with JSON data and with this click function i'm able to capture the row which is clicked. And also RecyclerView is more flexible with large data set. After clicking on the bottom menu item, we are moving to the next screen, where we can see the map being loaded with some scale/fade animation from the top, RecyclerView items loaded with translation from the bottom, markers added to the map with scale/fade animation. I am using FirebaseRecyclerAdapter to load and display items in RecyclerView. In this tutorial, we are going to learn how to highlight or set RecycleView item row background color in android when clicked. Just like how a RecyclerView has two separate layout information, displaying data on it also requires two separate classes. , with DrawerLayout, NavigationView, ViewPager, RecyclerView, CardView and TabLayout. the json object fetchs all the details but only one colum of recyclerView is populated. In this tutorial we are going to see how to create Recyclerview with Circuler Image. When scroll RecyclerView to the end you need connect to webservice to get more data and update RecyclerView. One of these classes is RecyclerView. This is incorrect. Hi welcome back , in this tutorial I am going to talk about RecyclerView in Android. In the RecyclerView widget, several different components work together to display your data (list of objects). Just like ListView, RecyclerView is used to display a large amount of similar items on screen. This tutorial will teach you how to send request and show result in recycleview. This post used the same concept that we will use on this post so there is no need to repeat what I have covered in detail before. For now, let's position them one below the other using a LinearLayoutManager instance. Recycler View Item Click Listener. host name may not be null Target host must not Name must not be nul name Can not be resolved Not Null Must be host is not alive host xxxx not found not route to host could not be loaded java. What is an AlertDialog and how do we use it? Answers: 1. For the first two, RecyclerView uses LayoutManager and ItemAnimator. 3) Firewall must allow to connect to database. when i click the icon that was set in the recyclerView it pops up a popupmenu. We often think to collaborate different types of layout in a single screen. recyclerView. For my app I am using a RecyclerView inside a ScrollView where the RecyclerView has a height based on its content using this library. Another said in the comments that the problem is with the context not initialized properly. Storing your app's data in the cloud is very important these days because users tend to own multiple devices and want their apps to be in sync across all of them. Keep in mind that ScrollView does not work with CoordinatorLayout. After clicking on the bottom menu item, we are moving to the next screen, where we can see the map being loaded with some scale/fade animation from the top, RecyclerView items loaded with translation from the bottom, markers added to the map with scale/fade animation. RecyclerView. I've spent a lot of time finding less hassle ways to trigger updates when new data arrives when my adapter is not empty. For this reasons, you should carefully handle NO_POSITION or null results from these methods. LayoutManager to be able to detect data set changes in batches during a layout calculation. (actionMode must not be null). This is the information I cant get trough debug:. Beware that these methods may not be able to calculate adapter positions if RecyclerView. OK, I Understand. I know I am late it the game, but the issue still exists even after google has made fix on the android. I needed to display a message at center for the empty list as a placeholder so I did it like this and it worked like charm. Since RecyClerView can not cover all processing with the notifyDataSetChanged() method alone, control is necessary for each processing. what more can i do to show the information in my layout. Here are the links, hope they could be useful as a reference. The following is a tutorial on how I like to implement the RecyclerView, Adapter, and ViewHolder pattern. 0, RecyclerView support library, v7 package offers really handy class called DiffUtil. I can not achieve that when I click on each item on RecyclerView, second activity which contains of detail info must be opened. This tutorial demonstrates how to do Android JSON Parsing and display with RecyclerView or ListView. but i'm unable to setonClickListener to it. This is incorrect. In this short tutorial I’ll create list with Cities and Events. * Every RecyclerView must also be backed by a model - this means that it can parse or lay out a specific Object. The issue with above problem is that any view that have its own scroll when wrapped inside an another view which has scroll it will not allow the view the to expand by itself. Download Complete Source Code of the Android Dynamic RecyclerView with MYSQL Server Requirements for the App 1) Android Studio. This example will show you how to make a android floating action button hide and show when user scroll a recycler view. But, in this post, we are going to use RecyclerView to display it. The RecyclerView fills itself with views provided by a layout manager that. Before this tutorial you must know how to create spinner. It saves CPU resources in that you do not have to inflate new views all the time and it saves memory in that it doesn’t keep plenty of invisible. I am developing a POS system in android and trying to list images from an api into a fragment with a recyclerview. Where am I doing wrong? Thank you so much. In my case, my list size was 0 and it was not calling the onCreateViewHolder method. It's animating each row at a time. Other customize features also required sometimes, for example, your client wants a pink color and triangle capture button. Fixed a bug where RecyclerView was not disallowing touch intercept when nested pre-scrolling caused a NestedScrollingParent to scroll (b/138668210, aosp/1105373). RecyclerView. The images are in the storage and I have a link to them in the database but when I try to get the image to show in a recyclerview, the app crashes as it tries to load the records. In this tutorial, we are going to learn how to highlight or set RecycleView item row background color in android when clicked. I am using FirebaseRecyclerAdapter to load and display items in RecyclerView. This post used the same concept that we will use on this post so there is no need to repeat what I have covered in detail before. You also can not set the image quality, it's pixels, it's resolutions which will be captured by the users. ' on a null object reference at. All of this stuff was baked in to ListView, but RecyclerView uses collaborator classes to do these jobs instead. child_layout_to_merge, parent_layout, false);. I have not used a REST API in above code but you must use a REST API if you want to load data dynamically. Another said in the comments that the problem is with the context not initialized properly. Recycling of views is a very useful approach. As we already know, recyclerView is advanced and flexible version of ListView. I am working on an android application which contains modules like offline mapsI want to download map (data set) of a particular area based on user input then user can select two locations start and destination and i need to draw routes on the map. the problem that i'm facing is that only one colum of the recyclerview is being populated the rest of them are not. onItemRangeRemoved to, called when notifyItemRangeRemoved is used. What is a ViewHolder and why is it called a ViewHolder? 4. ListView dan RecyclerView are pretty common widget that has been used on Native Android development. In this constructor, we simply find the child views of the parent view. Here is my code. The RecyclerView has been developed with extensibility in mind, so it is possible to create any kind of layout you can think of, but not without a little pain-in-the-ass dose. For this reasons, you should carefully handle NO_POSITION or null results from these methods. Android RecyclerView is more advanced version of ListView with improved performance and other benefits. And I say "fixed" because this exception won't be thrown anymore (in this new version at least), but I'm not sure if I did the right thing as I think the exception is more related to the way the ObservableList is manipulated and the RecyclerView being attached and detached than the library itself. I am trying to make a biography app which includes cardviews. Note that you should not put that app:layout_behavior property anywhere within the fragment or the list within. I can not achieve that when I click on each item on RecyclerView, second activity which contains of detail info must be opened. fallbackToDestructiveMigration(). The logic lies in the OnLoadMoreListener() passed to the Adapter and the null item added to the list. It is possible to perform transition for multiple views but we must have to create pair with View and TransitionName. You will need to use the NestedScrollView instead as shown in this example. AdapterDataObserver: Observer base class for watching changes to an RecyclerView. I'm not sure but, in other words recyclerView will skip layout measuring at the moment. In a more sophisticated app, you could display placeholder data or something else that would be meaningful to the user. i have created a multicolumn recyclerView and have populated it with json data. I must be missing something really obvious but. The issue I get now is RecyclerView with layout_height=wrap_content not taking height of all the items issue inside ScrollView that only happens on Marshmallow and Nougat+ (API 23, 24, 25) versions. You can get the starter code, in Java and Kotlin from github. For my app I am using a RecyclerView inside a ScrollView where the RecyclerView has a height based on its content using this library. does not return null in the RecyclerView. The RecyclerView. To know details of Recyclerview you must follow the documentation. Might be null if Item was just added to the adapter or LayoutManager does not support predictive animations or it could not. Keep in mind that ScrollView does not work with CoordinatorLayout. Android Creating Gmail Like Inbox using RecyclerView By Ravi Tamada October 2, 2017 0 Comments Introduction of RecyclerView is the best thing ever happen to android world. It is working perfectly fine when I debug my code. Hereafter you can use RecyclerView instead of ListView. This event is not generated by RecyclerView - instead, the item view (which is wrapped in the view holder) detects touches and reports these touches as click events. You can get the starter code, in Java and Kotlin from github. For now, let’s position them one below the other using a LinearLayoutManager instance. In this blog you can learn how to create a simple RecyclerView and also adapter for this RecyclerView. 2) Microsoft SQL Server. the items at the recycler view are in progress and i want to disable swipe on them. In a more sophisticated app, you could display placeholder data or something else that would be meaningful to the user. Just like ListView, RecyclerView is used to display a large amount of similar items on screen. Adapter and RecyclerView. Android RecyclerView is more advanced version of ListView with improved performance and other benefits. class: RecyclerView. Pro RecyclerView notes. convertView isn’t always be null and call developer must rewriting a whole lot of. I come to find out that a RecyclerView is a really neat, and memory efficient, way to display large data sets in Android. I have populted recyclerView with JSON data and with this click function i'm able to capture the row which is clicked. This is how Google describes RecyclerView in the API documentation of the L preview release: A flexible view for providing a limited window into a large data set. Recycler View Item Click Listener. Android Creating Gmail Like Inbox using RecyclerView By Ravi Tamada October 2, 2017 0 Comments Introduction of RecyclerView is the best thing ever happen to android world. All of this stuff was baked in to ListView, but RecyclerView uses collaborator classes to do these jobs instead. Since RecyClerView can not cover all processing with the notifyDataSetChanged() method alone, control is necessary for each processing. Now in this case you must have to create your own camera preview. We are developing the next killer app and the pride of place in our main activity is the shiny new RecyclerView. Which is not the case for me (rather it's the RecyclerView). 3: Now we’re moving the Adapter to the RecyclerView so that this view can finally display data (for now, it won’t display anything because the list of objects is empty). This post used the same concept that we will use on this post so there is no need to repeat what I have covered in detail before. Recommend:recyclerview - Android - Recycler view set item not swipeable. Here is my code. What is an AlertDialog and how do we use it? Answers: 1. I know I am late it the game, but the issue still exists even after google has made fix on the android. Extending the RecyclerView Example. However, you must still specify how you want the list items to be positioned. In this tutorial we are going to see how to create Recyclerview with Circuler Image. It is used to show large data set. Adapter and RecyclerView. This is Android, so things are never easy. maybe i'm doing something wrong. In detail, this means that the ViewHolder was not a child when the layout started but has been added by the LayoutManager. Scenario: All the items might be removed from the data set and it may be empty. ItemAnimator. 1-----Line i can be different to line i+1, but the same line's height must be equals; V1. notifyDataSetChanged() has been called and new layout has not yet been calculated. setLayoutManager(new GridLayoutManager(this,2,GridLayoutManager. ListView dan RecyclerView are pretty common widget that has been used on Native Android development. (Large preview) 23- It’s feels great to see Android Recyclerview filled with beautiful beaches, one thing remaining is to have the Share and Visit button fully function. However, by the end of this tutorial, you'll understand how to implement multi selection of items in a recycler view and do whatever you want with the selected items (delete, share, copy etc). This tutorial demonstrates how to do Android JSON Parsing and display with RecyclerView or ListView. , with DrawerLayout, NavigationView, ViewPager, RecyclerView, CardView and TabLayout. RecyclerView是一种列表容器, 发布很久了, 才想起来写点什么. in the moment Iam playing arround with the RecyclerView. child_layout_to_merge, parent_layout, false);. This post used the same concept that we will use on this post so there is no need to repeat what I have covered in detail before. inflate (R. What is an Adapter and why is it called an Adapter? 5. This benefits libraries such as ViewPager2. Android adding RecyclerView Swipe to Delete and Undo By Ravi Tamada October 2, 2017 0 Comments In my recent article Gmail like Inbox we have successfully cloned the gmail’s inbox using a RecyclerView with some cool animations. Where am I doing wrong? Thank you so much. (actionMode must not be null). In this tutorial we are going to develop fully dynamic android application with RecyclerView, CardView, ImageView, TextView in the form of ListView using JSON data that is coming from MySQL database which is store on server. For the first two, RecyclerView uses LayoutManager and ItemAnimator. What are some important methods to know on RecyclerViews? 6. The RecyclerView. This benefits libraries such as ViewPager2. ViewHolder, which should handle how each item would be presented. Note that unlike , RecyclerView will not call this method again if the position of the item changes in the data set unless the item itself is invalidated or the new position cannot be determined. Called by the RecyclerView when a ViewHolder is added to the layout. In a more sophisticated app, you could display placeholder data or something else that would be meaningful to the user. // Migration is not part of this practical. So, in this post, we will learn about how to use android retrofit library with RecyclerView in kotlin. We are developing the next killer app and the pride of place in our main activity is the shiny new RecyclerView. 2-----Support different viewType which using to config different row with different height. My last post was on Android RecyclerView and CardView in Material Design Tutorial. Add the RecyclerView in the onCreate() method of. Public methods; void: addDisappearingView(View child, int index). This video will show how to open new activity on spinner/dropdown item selection in android studio 3. LayoutManager to be able to detect data set changes in batches during a layout calculation. In a more sophisticated app, you could display placeholder data or something else that would be meaningful to the user. By continuing to use Pastebin, you agree to our use of cookies as described in the Cookies Policy. 1 (API level 25) For more on Android, watch our tutorial Outputting Data to Your. Here in this project I am not referring to the ImageView because it is constant. Android StaggeredGridLayoutManager Example Tutorial In this tutorial we are going to learn how to create a simple android application that demonstrate the use. I have well commented the code above so that you can understand it easily. AdapterDataObserver: Observer base class for watching changes to an RecyclerView. Today, our walkthrough will be on how to implement endless scrolling RecyclerView. In the previous article we did an exploration in to how smooth scrolling in LinearLayoutManager is performed in order to understand why calling smoothScrollToPosition() on RecyclerView does not permit us to specify a duration for the scroll. This ID must be unique across all children within the group. Just like ListView, RecyclerView is used to display a large amount of similar items on screen. The last step before testing the progress so far is to initialize the RecyclerView with a layout manager, create an instance of the adapter and assign that instance to the RecyclerView object. * @param layout LayoutManager to use. The tutorial: step-by-step to create that cool Video list. Hi, from the last update of Xamarin in my Recyclerview the app crash when I use the JavaList<> data associate with the view. 3) Firewall must allow to connect to database. What is an Adapter and why is it called an Adapter? 5. With the introduction of RecyclerView it's now much easier to get a horizontal ListView going. All the data is stored in JSON format and any changes in data, reflects immediately by performing a sync across all the platforms & devices. This is Android, so things are never easy. A RecyclerView can be thought of as a combination of a ListView and a GridView. Android StaggeredGridLayoutManager Example Tutorial In this tutorial we are going to learn how to create a simple android application that demonstrate the use. Because of this, it’s crucial that we implement it properly so our code strikes a good balance between being as optimized and concise as possible. It is possible to perform transition for multiple views but we must have to create pair with View and TransitionName. Before this tutorial you must know how to create spinner. At this point the project consists of a RecyclerView instance, an XML layout file for the CardView instances and an adapter for the RecyclerView. I am using FirebaseRecyclerAdapter to load and display items in RecyclerView. Android RecyclerView is more advanced version of ListView with improved performance and other benefits. * @param layout LayoutManager to use. 0, RecyclerView support library, v7 package offers really handy class called DiffUtil. Public methods; void: addDisappearingView(View child, int index). Android Share Intent With Recyclerview. In the previous article we did an exploration in to how smooth scrolling in LinearLayoutManager is performed in order to understand why calling smoothScrollToPosition() on RecyclerView does not permit us to specify a duration for the scroll. * @param layout LayoutManager to use. Right now we can start working with RecyclerView. You must check the position agains -1, because the rebind is async so there may be no selected views. Since RecyClerView can not cover all processing with the notifyDataSetChanged() method alone, control is necessary for each processing. Adapter Base class for an Adapter Adapters provide a binding from an app-specific data set to views that are displayed within a RecyclerView. To use RecyclerView, you need to first add it to the list of dependencies of your project. fallbackToDestructiveMigration(). A RecyclerView can be thought of as a combination of a ListView and a GridView. Javadoc API documentation for Advanced RecyclerView. Pro RecyclerView notes. Public methods; void: addDisappearingView(View child, int index). Thus we must create a class that extend RecyclerView. In our previous post, JSON Parsing - Android, we used ListView to display a list of posts. Each one of these new features, give a platform to developers for. Thanks for the gist. I can not achieve that when I click on each item on RecyclerView, second activity which contains of detail info must be opened. ListView dan RecyclerView are pretty common widget that has been used on Native Android development. We are developing the next killer app and the pride of place in our main activity is the shiny new RecyclerView. 1-----Line i can be different to line i+1, but the same line's height must be equals; V1. A LayoutManager must be provided for RecyclerView to function. The basic app described in A Basic RecyclerView Example actually doesn't do much – it simply scrolls and displays a fixed list of photograph items to facilitate browsing. By continuing to use Pastebin, you agree to our use of cookies as described in the Cookies Policy. Beware that these methods may not be able to calculate adapter positions if RecyclerView. I am developing a POS system in android and trying to list images from an api into a fragment with a recyclerview. 7- Create a new resource file and name it recyclerview_mail_item. A non-null list of merged payloads. * Every RecyclerView must also be backed by a model - this means that it can parse or lay out a specific Object. OK, I Understand. ViewHolder and implement just the constructor. In our previous post, JSON Parsing - Android, we used ListView to display a list of posts. The RecyclerView. Android RecyclerView is more advanced version of ListView with improved performance and other benefits. For this reasons, you should carefully handle NO_POSITION or null results from these methods. 4: We’re defining a LayoutManager in order to tell the RecyclerView how it must display its data (here, using a LinearLayoutManager). RecyclerView now consistently goes to SCROLL_STATE_DRAGGING before nested pre scrolls are dispatched (aosp/1105373). the items at the recycler view are in progress and i want to disable swipe on them. Before this tutorial you must know how to create spinner. Android Share Intent With Recyclerview. I can not achieve that when I click on each item on RecyclerView, second activity which contains of detail info must be opened. Adapter and RecyclerView. Note: The getItemCount() method needs to account gracefully for the possibility that the data is not yet ready and mWords is still null. It is "fixed" in version 1. Here is my code. I've spent a lot of time finding less hassle ways to trigger updates when new data arrives when my adapter is not empty. It eliminates the need to manually define view types (via Enum, or if you follow Google Developers advice integer constants (less memory usage, you know!)). RecyclerView comes with a default ItemAdapter, so you need not worry about that. What are some important methods to know on RecyclerViews? 6. In the RecyclerView widget, several different components work together to display your data (list of objects). Each one of these new features, give a platform to developers for. It might be newly added to the adapter or simply become visible due to other factors. Beware that these methods may not be able to calculate adapter positions if RecyclerView. To use RecyclerView, you need to first add it to the list of dependencies of your project. ItemAnimator. I am working on RecyclerView and try to using on click listener for each item of recyclcerview using Interface. Here are the links, hope they could be useful as a reference. notifyDataSetChanged() has been called and new layout has not yet been calculated. i have created a multicolumn recyclerView and have populated it with json data. AdapterDataObserver: Observer base class for watching changes to an RecyclerView. After clicking on the bottom menu item, we are moving to the next screen, where we can see the map being loaded with some scale/fade animation from the top, RecyclerView items loaded with translation from the bottom, markers added to the map with scale/fade animation. For my app I am using a RecyclerView inside a ScrollView where the RecyclerView has a height based on its content using this library. Because of this, it’s crucial that we implement it properly so our code strikes a good balance between being as optimized and concise as possible. Add the following code to your main activity:. When I execute my code it is not displaying any item. I come to find out that a RecyclerView is a really neat, and memory efficient, way to display large data sets in Android. To use RecyclerView, you need to first add it to the list of dependencies of your project. Today, our walkthrough will be on how to implement endless scrolling RecyclerView. A nested RecylerView means a recyclerview inside a RecyclerView or RecyclerView inside ScrollVIew is such a case. RecyclerView requires a lot of skills, but since you can create a lightweight and expressive UI, please create UI of various patterns by all means and study it. When scroll RecyclerView to the end you need connect to webservice to get more data and update RecyclerView. Adapter, much like the built-in Android ArrayAdapter, will populate the data into the RecyclerView. , with DrawerLayout, NavigationView, ViewPager, RecyclerView, CardView and TabLayout.