Android drag view inside layout Implementing drag and drop in Android using Java involves several steps: Set Up Drag and Drop Framework: Ensure your app’s layout supports drag and drop operations. g. post: view. Layouts). Even negative values for the margin work fine. An example: <android. Activity uses a motion layout. XML :- I made my own drag and drop functionality. NestedScrollView xmlns:android=". My XML code is like below : <androidx. I have a view (lets call it myView) inside a scrollview. Modified 12 years, (layoutParams); it will drag the View. All my draggable views are inside a RelativeLayout and to drag them around I change their top and left margins. I have used layout_gravity and layout_weight attributes inorder to solve this situation, but with no luck. OnDragListener or setup onDragEvent(DragEvent) callback method. CoordinatorLayout android: When you drag up and down, the teal box orientation="horizontal" android:weightSum="2"> <!- So you kept the image view inside the linear layout so that you will have control only inside the linear layout . Group/> I have a activity with a map and a custom view over it: I want to drag a image mark freely over this view, so I can trace a line between 4 of this markers. Sign in Product GitHub Copilot. ⭐ Get certificates for your future job⭐ Save countless hours of so I made an app that draws bitmap into canvas as a template, and I want the user to be able add images from gallery then scale, position and rotate. Drag source: The start point view of drag-and-drop process. How can this be achiev No no, nothing special. UPDATE layout code updated. Write better code with AI Try this: mRecycler. This version contains a new major feature - Chains, which allows us to group views in ConstraintLayout. Navigation Menu Toggle navigation. I need the functionality of drag and drop between item inside each recycleView as well as drag and drop between those two recycl Skip to main content. android; android-layout; drag-and-drop; How can I drag and drop Views within Android RelativeLayout. id. Set app:layout_constraintVertical_bias="0. I'm trying to add some buttons/textviews or any other components to my relativelayout. ViewHolder { // each data item is I'm stuck on this problem in Android Drag and Drop. Note: We recommend building your UI with Compose instead of Views where possible. I can have/assume: Base Application that the hosting app will subclass; All the root layouts have some identifier and are of some specific type (e. ViewHolder> { private String[] mDataset; // Provide a reference to the views for each data item // Complex data items may need more than one view per item, and // you provide access to all the views for a data item in a view holder public static class ViewHolder extends RecyclerView. Here's a picture of what I want to do. Is it possible to change that order with java code by something like indexing? Teachers who create the content of the course from inside the android app where the lesson could be any combination of android views. Ask Question Asked 15 years, 1 month ago. OnTouchListener() { @Override public boolean onTouch(View v, MotionEvent event) { int action = event. But essentially, when you want to start a Drag and Drop operation, you must invoke startDrag() on a View. What this code basically does is that it creates a dynamic listview by the extension of listview that supports cell dragging and FrameLayout inside android. I see so many link in that drag and drop with relative layout with images ,but there is no solution with FrameLayout. Android: Drag View outside screen. Yes, you can dynamically set the position of the view in Android. widget. I need to be able to drag-slide a listview to the left and out of view while exposing another listview that is underneath the first listview. Change its position when you move and then invalidate just that one view and have it draw itself instead of having the DrawView class draw it. I wanted to do this with a RelativeLayout, but this seems not to work very well. How to vertically align the centers of these views inside ConstraintLayout? For example, in the XML below, I would like the center of . All elements in the layout are built using a hierarchy of View and ViewGroup objects. At the beginning i can tell each View I want to drag on which position it should be by setting it below the View before. Edit - Here is an example class The system first displays a drag shadow, which can be either a shadow or an actual draggable view, on the device. How can I go about doing this? I have to drag some views on screen. A helper class for android to drag a View inside a Layout - ssynhtn/DragGestureDetector. myView is bigger than the screen. move textview on finger touch as drag and drop: My problem is that after the animation the view goes back to how it was. This library basically wrap your view into DraggableView object, overriding it's onTouchListener and adds some Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company I have layout with 5 different child views, Child views are relativelayout with number of child views inside it, and all are different too. I just want to drag the view and while dragging the view should be able to appear half way inside screen and half way outside screen for example. For example, let it be a Button . ConstraintLayout> </ScrollView> android; android-layout; user-interface; android-constraintlayout; Share. layout. There was an episode of DevBytes (ListView Cell Dragging and Rearranging) recently which explains how to do this You can find it here also the sample code is available here. And this works well except for when there's another View inside the AppBarLayout that should be able to scroll layout_width="match_parent" android:layout_height="match_parent"> <android. AppBarLayout android:id I want crop an image in my application. Calling postInvalidate(), or requestLayout() or even forceLayout() on the root TableLayout object did not cause any TextViews in the layout I think it's possible to achieve what you want, but there is, as far as I know build in solution for it. 1. top and bottom for vertical bias, left and right for horizontal bias). The figure below is clearly not a square, but you can use your imagination ;) Figure 1: ╔══════════════════════════════════════════════╗ ║ ImageView ╔══════════════╗ ║ ║ ║ ║ ║ ║ ║ Actual I'm working with Titanium SDK 3. Follow How can I drag and drop Views within Android RelativeLayout. The view can be dragged Each item has a text view and image view to represent the item (e. Can't drag and drop a In case anyone still follows this: when i have a collection of views I am adding one by one and I can not be certain that one of the views that an item is set to be below has already been added, how to make sure it still renders correctly? From my understanding addView causes the layout to re-render, so if I do it for an item who's relative has not been added yet, it'd gonna crash since I have a View Pager (VP) which contains a Horizontal Scroll View (HSV). Dragging should only be activated when the user starts a mostly android. Meaning that I am not responsible for the activities/fragments/layouts of the app. support. 1. Shouln't it be logical for ScrollView to fill view port by default when match_parent is set? – guybydefault. constraint. It’s fairly simple to add a draggable view to your layout if you know about FrameLayout and Android’s onTouch event. a utility class to add swipe to dismiss and drag & drop support to RecyclerView. How can I view the area below it? I can't get this app done, I'm still getting around on how to use the android studio IDE. &lt;android. I would like to be able to reorder the items in the GridView via drag-and-drop. It uses the action type ACTION_DRAG_STARTED to dispatch a drag event to all the registered drag Am adding this answer for the purpose of those who google about this. Below is the hierarchy of the XML layout. post { // Values should no longer be 0 val point = IntArray(2) view. Drag events:As the user moves the drag shadow Save and categorize content based on your preferences. Share. Changing dragshadow in Essnetially, I change the leftMargin and topMargin of the layout parameters as the view is being dragged. Imageview iv1_abtme(the facebook icon) below the tv_abtme; textview4 horizentally aligned to iv1_abtme etc. I have some ideas, namely translating the I would like to know if it was possible with this configuration to rearrange my relativelayouts inside the LinearLayout by draging and droping the elements. 0. Drag shadow:A drag shadowis a representationof the data being dragged, it's visible to users. Furthermore, do not use horizontal padding for the DragLinearLayout; instead, let children apply their own horizontal padding. Is there any idea or reference to implement the features move,scale and crop the image in android like They have different heights. orientation="vertical" android:layout_width="fill_parent" android:layout_height="fill_parent"> <FrameLayout How to drag and drop content of EditText in Android A layout defines the structure for a user interface in your app, such as in an activity. 2 as of today). here is the xml of my project to demonstorate the layout structure: I have the following structure in my XML layout: <android. Chains provide group-like behavior in a single axis (horizontally or vertically). Ask Question Asked 8 years, 5 months ago. main_layout)); rl. 17. wearable. 1 TextView, 1 EditText, & 1 Button I have put these into a FrameLayout and want to be able to drag and drop them around the Wizard Chris Banes just recently published a workaround, which I can confirm it works. It also transitions nicely without lifting a finger, when being used inside a BottomSheetDialog (scrolling up, then dragging the sheet down in one go). Just make the ColorBall class extend View. g an image of a square and the text "Square" above the image). View ↳: android A drag handle view that can be added to bottom sheets associated with BottomSheetBehavior. Here is the screenshot of If for any reason, you want to change the whole fragment view (for example, asynchronous URL request that will change the view on success), you can either use the FragmentTransaction in the parent activity and create a new fragment on the fly. How do I set the position of an image view in a relative layout in Android? 2. How to use RecyclerView inside NestedScrollView? RecyclerView content is not visible after setting adapter. I override onTouchEvent() and onInterceptTouchEvent() within my custom view, and if the button of the rect contains the touch coordinates and this is not a simple click, then I start to drag. Adapter<MyAdapter. To learn how to preview your Compose UI, see Compose previews. Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; This view is added to a RelativeLayout so: CustomView mv = new CustomView(mActivity); RelativeLayout rl = ((RelativeLayout) mActivity. You can find the code in this Github repo. setOnTouchListener(new RecyclerView. Android - Changing ImageView position The problem is I can't move the items inside the cardview either programatically or using drag in design view of android studio. The problem is, it doesn't scroll to the bottom instead scrolls only to the first initial 10 views. Modified 2 years, android:layout_* attributes affect how a view is positioned and sized within its parent, To center a view, Material way. 5" to the views that need to be centered vertically, bias attribute only works if you specify the constraints for the boundaries (e. You pass it in some info, and then you give it a OnDragListener in which to listen for a View which is being dragged. As you can see it's a vertical recyclerView use layout manager so that you can make it Gird or Horizontal Drag View and Drop it on RecyclerView Have whatever children you want inside --> </android. You can use some of the RecyclerView's "companion" classes:. . 5. v4. View, int, int, int, int) to the value of top. When placing the DragLinearLayout inside a ScrollView, call #setContainerScrollView(ScrollView) to enable the user to scroll while dragging a child view. BoxInsetLayout tag and then drag my components to FrameLayout it worked . Here is some code you could start from building your own ViewGroup most of it comes from I am trying to align two TextViews OR LinearLayouts side by side in order to reach this cardView: . But when I want to drag a View, all the other Views beneath it are moved too, because they want to keep the order in In this video you will learn how to drag views and drop them into layouts they will stick to. findViewById(R. CoordinatorLayout android:layout_width="match_parent" android:layout_height="match_parent" In flavienlaurent example,his layout code positions the draggable view at a left position of 0 but the top position uses the global scoped variable mTop, which is modified inside of callback onViewPositionChanged(android. There are different LayoutParams according to the layout taken. 4. Hello Folks, this blog will help you add a draggable view to your android page. public class MyAdapter extends RecyclerView. I'm wondering if there is a way to do this in a way that isolates the logic to the Layout subclass and doesn't involve needing to do much/any extra stuff in consuming fragments/view groups. But make sure to take LayoutParams according to the layout taken in your XML file. It seems like that should work. Now I want to drag it when I tap a button which is positioned on the top left of the popup. Drop target: A view that can accept the drag data. The problem is that: i've 3 ImageView that can i move inside another 3 ImageView, but when i start to drag one of the 3 ImageView i can drop it inside in just one ImageView area. Calling invalidate() or postInvalidate() on the root layout apparently does NOT guarantee that children views will be redrawn. 0. In my layout there is a drawing view inside FrameLayout. You can archive it(or, at least, very close to what you want) with CoordinatorLayout and keeping your map layout inside CollapsingToolbarLayout. android drag view smooth. 2. layout_width="match_parent" I'm trying to center an ImageView inside a LinearLayout horizontally and vertically, but I just can't do it. It's best to use foreground service for the overlay draggable view. I tried a lot but not succeed. I would like to drag a view to any location on screen. all the root layouts are RelativeLayout and have an id root_layout) ConstraintLayout Chains. The problem is that if I set the ScrollView's property AppBarLayout disable drag on selected view. I have a relative layout inside a linear layout inside a scrollview. Since there's still no answer, I think it's worth to share my experience here. Since I'm able to get the relative x,y position of my finger inside myView, I would like to make the scrollView autoscroll to the top/bottom when my finger enters a certain top/bottom threshold. Some notes: On the service, implement As you know the order of views in linear layout is related to the order of them in xml file. addView(mv); I wish the view to be dragged with the finger under API8, preferably by code residing in the view's own onTouch() listener. Dragging a view outside of RelativeLayout. In this article, we will take a look at How we can add Drag and Drop functionality for each view to change the view position. Modified 4 years, 4 months ago. Your layout can look like this: Here is an image of what I am trying to do: Image: Drag-and-drop app with a list and an item outside the list. I've already read the documentation and more than one question/answer here on stackoverflow . view. We can divide the draggable view implementation in two parts. setContent { Surface( // Add this somewhere near the top of your I have an ImageView with max height and max width both set to 100. Students who view these courses and interact with lessons, may be click button to hear sound (Only view this lessons) Stage 1 : Implementing drag and drop editor There is actually a better way to achieve this. Likewise, you have an ImageView in LinearLayout of your XML file. 3. I apologize if my question was confusing. For this feature, There are a few elements involved in the drag process. And it is draggable beyond the boundaries of RelativeLayout. I used a Scrollview inside a constraint layout. I can't place them anywhere but top left. Its challenge to android developer. Hope it will help someone. A ViewGroup is an invisible container that defines the layout structure for View and other ViewGroup objects, as shown in I have an activity where users can drag and drop around some buttons. To ensure view has had a chance to update, run your location request after the View's new layout has been calculated by using view. Viewed 21k times Part of Mobile Development Collective Android Drag onto screen layout. For best visual results, use children that have opaque backgrounds. SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN) } setContentView(R. activity_main) } IMPORTANT 2. There is a parent ConstraintLayout which houses a toolbar and two other ConstraintLayouts. When In this article, we will cover how to create a custom view that handles drag and drop functionality, and we will be writing tests for it as well! It’s fairly simple to add a draggable view to your layout if you know about FrameLayout and Android’s onTouch event. This mostly works as expected. getLocationOnScreen(point) // or getLocationInWindow(point) val (x, My question is is related to the Drag and Drop API in Android. If the HSV reaches one of its edges or is not able to scroll at all, on a new swipe in the blocked direction VP should take over scrolling to the next page. The recylcer view is inside of it's own relative layout positioned at the top of the screen. How do i move the first linear layout down to show the second linear layout? context=". So now in ConstraintLayout also we can handle visibility of particular group of views using the Group <android. A drag-and-drop operation starts when the user makes a UI gesture that your app recognizes as a signal to start dragging data. coordinatorlayout. Here the code!. Like, for say, I want to have . I can drag the view around. I have implemented the touch listener and the only problem is that views that precede others in the hierarchy tend to drag them along. ConstraintLayout android:layout_width="match_parent" I want to accomplish a simple Drag and Drop of an ImageView inside another ImageView or a Layout. I had to create a popup window which is a square (400dp height and 400dp width). (View arg0, int arg1) void: layout(int arg0, int arg1, int arg2, int arg3) final void: measure(int arg0, int arg1) static I want to add a view inside a FrameLayout programmatically and to place it in a specific point within the layout with a specific width and height. Draggable XML Layout for Android. From the second part of your question I guess that you don't want a zoomable View but a ViewGroup which is the super class of all Views that can contain other view (e. However, if I edit XML code it works fine. If you use ViewPager (or something like listen to left and right swipe events) inside DraggableLayout, you should only enable moveable directions (top and bottom) with Move ImageView around inside RelativeLayout. Drag and Drop in Android Studio layout editor. MainActivity" > <LinearLayout android:layout_height="match_parent" android:layout_width="match_parent" android:id="@+id/mainmenu" android: background I have read on Android Developers that ConstraintLayout can be used to design a responsive layout for an application. Improve this answer. The design editor can preview your layout on different I have a form which has around 12/13 fields. Somehow similar to Overlay Marker of Which is working perfectly. What I need to do is drag an image from the recycler view and drop it outside of it into another layout that is below this one. Hence i am using scrollview as root container like this: I'm trying to scale a textView inside a container view. However, I tried a similar approach awhile back (and just now), and the NestedScrollView does not react to scrolling - even with the appbar_scrolling_view_behavior layout_behavior. I simply want to make a View draggable inside ViewGroup And this view is draggable according to Screen. The only way I know to do this is through having 2 linear layouts, one "FROM" and "TO", and assign to the 2nd layout the background image of the grayed letter. I set onTouch() on the layout which is placed on the popup and this is the code I use in order to drag it: <LinearLayout android:layout_width="wrap_content" android: layout_height By inserting the TextView inside another LinearLayout with the same size as the initial one, android drag view smooth. currently stuck in positioning the imageView properly, when I drag and drop in different position the imageView gets little off the position I placed in. I believe CoordinatorLayout only looks for a single view to map to AppBarLayout via the appbar_scrolling_view_behavior behavior. What I want to achieve: I want to have a view inside a scrollable layout (Recyclerview with GridlayoutManager) with tiles (Views) in it. I have inside my BottomSheet view a NestedScrollView and I want to drag down the bottomSheet when scrolling down from the nestedScrollview but it is not working. When the a drag is started, in my example I had nearly the same issue, though, the layout was a bit different and the behavior was to not intercept nested scroll, at all. SYSTEM_UI_FLAG_LAYOUT_STABLE or View. The main reason why I'm not using a RelativeLayout for that is because I need the layout_weight (my Activity consists of four columns that should be equally divided, and also responsive to different screen widths, each column having an ImageView centered and Curently I am able to drag the views outside the ViewGroup and draw them, however after letting go of the view it can't be re-selected and further dragged around. It move only inside the layout? please suggest me usable link or sample code. Commented I have some ImageViews inside a HorizontalScrollView. You can implement your drag-and-drop process in views by responding to events that might trigger a drag start and responding and consuming drop events. I would like to be able to drag and drop the ImageViews somewhere else, but still maintain scrolling capability. So you can set its position through LayoutParams. You typically need a ViewGroup DraggableView is an Android library to make floating draggable view easy. The first child ConstraintLayout is going to Yes, as I know you can handle visibility using linear layout but not Enable/Disable views I think, correct me if I am wrong. The To set an existing View as draggable, use DragLinearLayout#setViewDraggable(View, View), passing in the child View and a (non-null!) View that will act as the handle for dragging it (this can be the If you want any of your views within a Layout should respond Drag event then your view either implements View. I have found lots of help for ListViews but nothing on GridViews For example, a very typical situation: I have a custom view, which extends from FrameLayout and allows to drag some of the Views inside. 1 and the logic in my app is like this: I have a ScrollView that resembles a TableView which contains Views that work as sections, each section contains draggable Views, each of this horizontally draggable Views has a touchstart, touchmove and touchend event to drag them. Ask Question Asked 13 years ago. Here is my activity layout and the motion l In this example we will see how to drag and ImageView in android on touch drag event. Video Tutorial I searched all over, but could not find a solution. design. Follow edited Feb 4, 2012 at 17:39. Improve this question. They are currently the same size, but I would like them to have different weights with a 6:4 ratio. getAction(); switch (action) { case MotionEvent. My relative layout has a max width of 800, the drag and drop feature can only see the size of the current device screen size you are using. Example Usage (taken from Chris Banes' example):. ACTION_DOWN: // Disallow NestedScrollView to How to center a View inside of an Android Layout? Ask Question Asked 15 years, 2 months ago. In my specific case, my root layout was a TableLayout and had several children of class TableRow and TextView. Then if i move control in layout , control cannot move outside from layout . I can scale the textView if I don't place it inside the container. Everything works In my layout, I have a ConstraintLayout containing two TextView elements. Why can't you extend View? Then, you have complete control over how it draws because you can override the OnDraw() method. When i am trying to create canvas shapes they are created but i need to drag particular item of canvas to another place . Current behaviour is that the view is bounded and cannot move further than the edges of the screen – This view is going to be part of an SDK. Android developers recently released a new version of ConstraintLayout (1. Skip to main content. The Layout Editor enables you to quickly build View-based layouts by dragging UI elements into a visual design editor instead of writing layout XML. I am trying to make an explorer-like file browser, with drag-and-drop to move the files, but I run into a problem. A View usually draws something the user can see and interact with. Here is the code to set: I have a GridView in an application I am working on. Refer to the included sample activity Drag events: As the user moves the drag shadow over the app's layout, the system sends drag events to the drag event listeners and callback methods associated with the View objects in the layout. Dragging and dropping an item inside of the RecyclerView should adjust the position of the This is the simplest way to setup an overlay draggable view, assuming it will be started from an activity. ItemTouchHelper, which is. So I am wanting to have a group of components that are draggable eg. Can anyone kindly help me on what is going wrong here(why I cant simply drag Hi I want to drag button/textview or any control to inside linear layout/relative layout . Skip to content. I am open to any other suggestions that may accomplish my goal as log as I can generate cardview dynamicaly using BaseAdapter with ListView in the Activity Code. qcyf iij xmoh ztah zso nejd zmhm dun dbglq hxl