Custom view android stack overflow

gr Apr 4, 2018 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. my. by extending an existing view, e. xml), I can't specify an attribute named "color Sep 30, 2020 · 0. id. Jun 21, 2015 · 1. This control will be holding other UI elements mostly buttons or icons. It has a small button which is mandatory, clicking which will slide the control in or out thus changing its visibility. Mar 18, 2013 · I create custom view and add in LinearLayout programmatically and in XML BUT view which is added programmaticaly does not call onDraw(Canvas canv) {. Apr 2, 2014 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. private fun startTest() {. Semi-transparent rectangle (this is my main problem, I don't know how i can do that). When I reference it in any other layout, it stays blank. decodeStream(context. layout. R. You can also set these in the constructor of your View class if you want to do it in java: setFocusable(true); setClickable(true); May 22, 2012 · 4. Oct 31, 2010 · You cannot have ANY custom view used in widget. Cursor; import android. view_customer, this) txtName = findViewById (R. private float handTarget = 40; public void setHandTarget(float temperature) {. You can extract this data using this convenience method: Dec 1, 2011 · 0. CustomLayout, this, true); this. Your custom view needs to extend ViewGroup or one of the other classes that extends ViewGroup. After looking around, I discovered it can be done using HTML, and CSS. Ensure that the XML tag has the correct, fully-qualified class name for the custom View class, which will be the class's package from the top of the file, prepended to the class name. Apr 15, 2024 · All the view classes defined in the Android framework extend View. public class MainActivity extends AppCompatActivity {. return getChildAt(this. setContentDescription("Card Test"); Hi Alan, this looks like it's working in some cases, which is awesome! When it's put into a ListView or a ViewPager, the same "Double-tap to select" is reported. To learn more, see our tips on writing great Mar 18, 2018 · But I figured worst case scenario you can add a TextView to your layout in the same place as your Google View but with android:visibility="gone" so it doesn't show when you run the code, but you can make it appear in the preview with tools. txtTestName) txtAge May 2, 2012 · 6. I know I can override onVisibilityChanged(changedView: View, visibility: Int) or onDetachedFromWindow functions. android:id="@+id/sbl". To learn more, see our tips on writing great Aug 17, 2013 · I just started learning on how to make custom views . Mar 8, 2017 · Stack Overflow Public questions & answers; android-custom-view; android-attributes; Share. android:text="Holder". Button. Sep 4, 2015 · 25. Modified 13 years, 11 months ago. Custom views - creating your own views. requestFocus(); Sep 27, 2016 · 1. java. However, I want to know how I can create those views in native Android without using webview? Aug 3, 2013 · Try this. 1. Its works fine in S3 but in other devices the things are different. final StatusCouponView couponView = new StatusCouponView(getContext()); couponsListLayout. class CustomerView (context: Context, attrs: AttributeSet) : LinearLayout (context, attrs) { private lateinit var txtName: TextView private lateinit var txtAge: TextView init { View. Follow edited Aug 1, 2017 at 12:36. design. implementation 'com. Anything other than those documented cannot be placed in widgets. startAnimation(AnimClass. 0' Then you can use NavigationView component like this : Feb 3, 2012 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. To learn more, see our tips on writing great When dealing with custom Views in a layout, a common cause for this is an incorrect class name in the layout XML, which seems to have been the issue here. TabLayoutMediator(your_tab, your_viewPager2) { tab, position -> val tabView = LayoutInflater. What you want to do is create a Compound Control. //So we need to call MyCustomView(Context context, AttributeSet attrs, int defStyle) Aug 19, 2020 · 1. As you're using a custom layout for the button, the following code should work: public boolean onLongClick(View view) {. Here is a sample of one side of the border: package com. It extends from View, not button, so it's not clickable or focusable by default. FEATURE_NO_TITLE); getWindow(). addView(adView); layout. 11. Aug 29, 2013 · Stack Overflow Public questions & answers; Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Talent Build your employer brand Advertising Reach developers & technologists worldwide; Labs The future of collective knowledge sharing; About the company 1. Provide a constructor in your new class that accepts Context and AttributeSet, making sure to call the superclass first. To learn more, see our tips on writing great I looked at the implementation of the android view, and inside 'onOverScrolled' there is only the comment "Intentionally empty. support. onMeasure() is your opportunity to tell Android how big you want your custom view to be dependent the layout constraints provided by the parent; it is also your custom view's opportunity to learn what those layout constraints are (in case you want to behave differently in a match_parent situation than a wrap_content situation). app. public class SplashScreen extends View. Refer the accepted answer. setFlags(WindowManager. one should be able to add other buttons or icons to Feb 24, 2022 · I have custom view named CustomView which has two custom attributes att1 and att2 defined. Toast toast = Toast. android:layout_width="wrap_content". 0. You will provide a handleDrag callback to each bag using CustomBagView. Remember, even the layout classes are just another View. Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. If you're implementing your own views, only the 2 first constructors should be needed and can be called by the framework. Now use the include tag in your game xml file and set it's gravity : TOP and visibility : GONE and set it's id to panel i. myText); ImageView imageView = (ImageView) mv. requestWindowFeature(Window. I know my code isn't correct, I just tried this code after going through tons of Java and android related questions. Then normally you would give some feedback on the MotionEvent. For current versions of Android, you need to set the content description of the view. Here is my code : Nov 7, 2020 · 1. They can't be at the root any more. for (x in 0. device:redmi 7a RAM:2GB. highlightDate(selectedDate) private fun highlightDate(date: Long) {. val answersContainer = findViewById<LinearLayout>(R. AppCompatImageView directly inside the CoordinatorLayout so that we can use CoordinatorLayout. I've been using 2-way databinding for a basic application, it was going pretty well, until i start with custom views and attrs. setOnItemTouched, then track the finger motion Jul 16, 2010 · Stack Overflow Public questions & answers; custom image view android. ThunderDragon. " Looking at the ListView implementation, I can see that they've implemented it manually by getting the drawables 'com. dialogdemo; import android. See Optimize by merging or Inflating layout for your custom view for more details. Don't refer this. step). Dec 17, 2013 · 2. Sep 20, 2012 · I am attempting to create my own view in android which is simply an oval and will be drawn correctly based on the typical android:layout_width and android:layout_height parameters. What you can do to fix that is to move your ii() call to the onAttachedToWindow() method. It's circular, shows the assigned color and if that color has transparency, the color is drawn atop a checker pattern. (Maybe he plans to make it clickable only after the user has done something, like checked a checkbox. Inflate(Resource. e. I have previously developed with Cocoa (iOS), and was able to instantiate native elements within my custom view. xml. android:focusable="true". Just something to consider because if you wanted to create a custom layout you could. If you want to set the OnClickListener from outside of the view, for instance doing: customView. So, I started googling about how to create a custom CalendarView and I came to know that creating a custom CalendarView is impossible. I got this in my custom view called Thermometer. setBackgroundColor(Color. The important prop here is app:onlyVerticalMove="true", that make your moving photo scrolled vertically. Jan 24, 2013 · 78. Mar 14, 2013 · All in all, I understand that this would only change the background color of the list items. makeText(v. The view works fine. I want NativeExpressAdView on Exit dialog. Ask Question Asked 13 years, 11 months ago. To use a completely custom view in there, you might create a custom spinner view, add a dummy button with a "three dots" icon to your ActionBar and open the spinner on click. If you don't enable caching by calling the setDrawingCacheEnabled(true) method, you will Feb 24, 2015 · Stack Overflow Public questions & answers; Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Talent Build your employer brand Advertising Reach developers & technologists worldwide; Labs The future of collective knowledge sharing; About the company Jan 27, 2011 · Each view then loads a large amount of image data when it is created using the following method: mBmp[background] = BitmapFactory. public class SimpleImageButton extends AppCompatImageView{ // Jun 14, 2011 · 0. I'm trying to bind an event on a custom view with the new Android data-binding library but run into an issue. Changed the color and text. Then, you can use the getDrawingCache (boolean) method which returns a Bitmap representing the View. ) : LinearLayout(context, attrs, defStyleAttr) this is my custom view class how i can pass my custom type to it through XML ? Oct 20, 2015 · Stack Overflow Public questions & answers; RadioButton with Custom View Android. I want to create an autohide custom view control. Viewed 6k times Sep 26, 2020 · the @layout/buff_question should be part of an external sdk that builds a custom view to show on top of the video. MyCustomView/> is in layout xml file without style attribute. Why is that? MainAcivity. The players card below (overlapping the rectangle). addView(view); You could do this in xml, you know Apr 20, 2012 · I'm trying to create a animated custom view in Android but I'm having trouble with the view objects member variables. I don't see a real use case for the 3rd constructor. But the activity is just plain white and does not seem to display the custom view. " panel. System. Also you need to set text on answerView, so the method should look like this: private fun setAnswer(answers: List<Buff. context: Context, attrs: AttributeSet? = null, defStyleAttr: Int = 0. May 22, 2015 · I'm getting used to creating custom views in android. setTesting(true); adView. I want to make a custom View so I extended the View class and override the onDraw(Canvas canvas) method. One thing i wish todo is to include existing UI elements such as EditText, or Switch in my custom view. Provide details and share your research! But avoid …. widthMeasureSpec and heightMeasureSpec are compound variables. First of all you will have to use the setDrawingCacheEnabled(true) method, so that you're View is cache-enabled. OnItemClickListener, EventRecyclerAdapter Aug 3, 2015 · 5. inflate(R. from(this. public class MyTextView extends TextView { public MyTextView (Context context, AttributeSet attrs, int 2. The layout works perfectly fine but there is a small issue , the drawable in different resolution is cropped . TextView textView = (TextView) mv. Modified 6 years, 10 months ago. They just happen to have methods to add other views as children and Aug 29, 2017 · 4. 621 3 3 gold Sep 26, 2016 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. The custom view MyView has a background color, as well as its subView . inflate (context, R. If you want your Views to be extensible, you might implement the 4th constructor for children of your class to be able to use global styling. Add a ScrollView as the top level parent of the view like so: super. example. <LinearLayout. onCreate(savedInstanceState); requestWindowFeature(Window. @Override. The problem is, if another developer uses my custom view and puts clickable="false" in his xml, then my call to setClickable() undermines his programming. Inside XML I can update the attributes easily like below: <com. myView. public boolean dispatchKeyEvent(KeyEvent May 22, 2016 · Setting LayoutParams created based on the previously obtained attrs. Adjust with. Apr 1, 2019 · There is a Custom_TextBar, of the following design: Custom_TextView + Custom_TextView + In other words, these are several Custom_TextViews, one after another, the text is taken from the variable length list. However, I seem to have missed something and don't know how to debug the issue. Here's the relevant part of my custom view: private OnToggleListener mToggleListener; public interface OnToggleListener {. 1 - Store all the required properties in a preference via map, Pojo. Here are some rough steps regarding one way to create a custom aggregate view: extend RelativeLayout. Apr 4, 2011 · I'd like to create a custom view of "Player" for a card game. Something like that: Is that possible without drawing on canvas (only using xml and classes)? May 5, 2020 · First of all add android material dependency in your Gradle:. These are the requirements: We want an SDK that the Provided Android App Uses to display content over the existing video. [Update 03-03-2017] The answer is outdated. sparkydev. invalidate on a different View causes this view to redraw to. FLAG_FULLSCREEN Feb 8, 2019 · I just override the this dispatchTouchEvent and dispatchKeyEvent and create own public function setOnClickListener(OnClickListener listener) to set on click listener. You will often find that you get better, more helpful responses here if you show the effort that you've put into working out the solution, and exactly how you've gotten stuck. For detailed list of supported widgets/layouts, please read the documentation. Log. Sep 24, 2020 · for example: class Custom(@JvmOverloads constructor(. getAssets(). AddView(view); The code doesn't have any affect on the view. code for custom dialog are below. You have to add parent layout as parameter to 'inflate' method. 3 - Once the specific screen is launched, get the view. Improve this question. NavigationView. Code : public class MainActivity extends Activity { public void onCreate(Bundle savedInstanceState) { super. However, there are a couple other things to note (which is why I am also adding an answer): The common styles don't need to be named the same thing as a view. Here is your updated custom view. Assign a reference to the swipeable content in your view holder. findViewById(R. Your custom view can also extend View directly, or you can save time by extending one of the existing view subclasses, such as Button. We have to use a GridView. //Called by Android if <com. After i run invalidate () the variables get reinitialized. answersContainer) answersContainer. In a custom view, you handle clicks by overriding the onTouchEvent method of android's View class. myImage); step-4 set text to text view using setText method. // Your custom logic to highlight or decorate the specified date. styleable. styleable I've made a simple custom view, a "ColorSwatch". Also, you can use UrlSpannable. For example, you could extend from RelativeLayout or LinearLayout if those layouts fits what your custom view needs to do. currView. package com. For example, the following layout will put the button at the bottom left of the screen and will have a Tab3 view fill the area above it: res/layout. OnClickListener, AdapterView. The problems is, I found out that the method is never stopped being called. A list with text (and font size, margins May 4, 2015 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. Apr 12, 2019 · View view = inflater. Mar 11, 2015 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. Custom_TextBar = Custom_TextView + Custom_TextView + …. and i use it by setting contentview. May 6, 2018 · This is my first attempt at creating custom Views in Android. outToLeftAnimation(null)); The simplest way of doing it. setOnClickListener(listener), you can do this: Inside your custom view declare a variable of type onClickListener: private OnClickListener onClickListener; Override this two methods that way: @Override. android:id="@+id/navView". loadAd(request); but I receive some sort of null pointer exception errors. I have written a custom View to draw Bars Chart in Android with their values below the bars. AttributeSet; May 8, 2012 · The View class represents a single View object, it doesn't accept children Views like you're trying to add to it with the inflate method(in fact if you look at the inflate method docs you'll see that the second parameter is a ViewGroup). Layout. context). but when i want to use it i have a crash in my app this is my view: package com. So for example, if in my XML layout file, I have a LinearLayout which is the highest level View Container, I then want to be able to add multiple of my own oval Views. View splash = new SplashScreen(this); setContentView(splash); I need to set background image but I can't use layout. e(TAG, "setHandTarget!"); Aug 1, 2017 · Stack Overflow Public questions & answers; android-custom-view; Share. widget. The first part of data stored in these variables is the available space ( in pixels) for the given dimension. android:layout_height="fill_parent">. In this method we can request child focus: @Override. Mar 17, 2022 · I have a custom view where I want to do some actions when it gets visible or invisible to the user. android. The child views are added depending on user interaction, thus not at the initialisation of the parent view. custom_view, tab_layout, false) when (position) { 0 -> { // you can set your tab text and color here for tab1 } 1 -> { // you can set your tab text and color here for tab2 } 2 -> { // you can set Aug 2, 2016 · 10. material:material:1. Behavior on it, it would be the moving photo. Yes it's a subclass of LinearLayout. I want to display a CalendarView and then change backgound of certain blocks (of dates) red and certain blocks green. for (final Coupon coupon : sessionCoupons) {. I created a drawable at the bottom of the screen and a small circle within it. Making statements based on opinion; back them up with references or personal experience. The following image shows the default view hierarchy of Android. addView(couponView); } Creation of each instance takes about 50ms, it's is pretty slow. You have to use TabLayoutMediator for setting the custom title on tabs. This is what i did originally. The SDK should expose a view that the host Application is adding over the video frame that displays the I'm trying to draw a custom border by drawing a custom view. important: customer view performance depends on a running device here is a sample I have tested for redmi 7a. Meaning while they are just plain old ints, they actually contain two separate pieces of data. addView(tfview); AdRequest request = new AdRequest(); request. You'll create a subclass of RelativeLayout, add all our your components in code (TextView, etc), and in your constructor you can read the attributes passed in from the XML. 2 - Keep multiple keys in the case of multiple views. To learn more, see our tips on writing great Apr 9, 2015 · Next step is to override onRequestFocusInDescendants method, it will be invoked before custom view's requestFocus if flag FOCUS_AFTER_DESCENDANTS was set. WHITE); scrollView. png")); Below is an example of my View switching code, this switching forward, to the nextView. The startActivityForResult is called on your activity, so it'll be the one launching the Intent and getting the result. getContext(), "Open chat", Toast. I have a custom view. or via serialization. Nov 2, 2023 · I have created a custom ViewGroup for my app written in Kotlin, specifically a FrameLayout, to which I add multiple child views programmatically. BANNER, pubID); layout. util. open("view1_background. tab3. You have to change the code of MyCustomView like here: public MyCustomView(Context context, AttributeSet attrs) {. content. protected boolean onRequestFocusInDescendants(final int dir, final Rect rect) {. 7. Sep 4, 2012 · 797. Exit dialog is custom dialog created in app. Oct 4, 2011 · provide a setOnItemTouched(Interface_class) callback setter. That means that the LayoutParams you create inside your constructor ( lp) are being overwritten by the LayoutParams from the xml (in the 3. } if view added in XML onDraw is called Why? Ho Sep 12, 2023 · I am new to complicated views in Android, and I'm trying to create this type of view: example 1 example 2. Apr 20, 2020 · There are lots of tutorials on the web on how to create and use custom XML attributes in your custom views. Jun 13, 2011 · 11. The list is not known in advance. If your SwipebarLayout class extends LinearLayout it will behave exactly same way as if you would have LinearLayout tag in your code instead and you can position the children exactly same way you would with LinearLayout. For example, you can do the following: public class CustomCalendarView extends LinearLayout implements View. void onToggle(boolean switchPosition); public void setOnToggleListener(OnToggleListener listener) {. Then you will need to code a Container custom view (let's name it BagContainerView) that will contain the three bags and handle the dragging & dropping from the bags. My onDraw method in code is as follows: 2. FEATURE_LEFT_ICON); Jan 18, 2018 · By the way this is inefficient because, the outer viewgroup (your custom class) has only one child (the root of the xml). Ask Question Asked 8 years, 8 months ago. CustomView android:id Nov 26, 2019 · The most simple thing, I want to add a custom view in an activity. show(); return true; Just set this as the long click listener of the button in the action bar. I made only few minor changes. My problem is that when I define the custom attributes for the swatch (in values/attrs_color_swatch_view. When changing the screen orientation, the FrameLayout is redrawn without the child views. I want to create a custom view, with has a TextView and a EditText, and use it inside another layout: <TextView. Then, you can draw that bitmap manually. 2 days ago · Here is a high-level overview of what you need to know to create your own View components: Extend an existing View class or subclass with your own class. // For example, change the background color or add a special marker. onCreate(savedInstanceState); ScrollView scrollView = new ScrollView(this); setContentView(scrollView); View view = new View(this); view. myapp. Provide details and share your research! But avoid … Asking for help, clarification, or responding to other answers. well it seems that calling View. Try to call invalidate() after addView() to tell the View it should re-render. . database. android:layout_width="fill_parent". you can easily measure performance by using android studio built-in tool profiler ( at the bottom left panel). LayoutParams. On solution is to use a <merge> as root of the xml layout to skip one level. setText("Sunil Kumar Sahoo"); Dec 10, 2023 · val selectedDate = getDate(year, month, dayOfMonth) // Your custom logic to highlight or decorate the selected date. It needs to be created many times and added to some list layout. Intent; import android. target). google. ListView_overScrollHeader' and 'com. g. You should also move all the swipeable content into a nested layout. To learn more, see our tips on writing great Mar 11, 2014 · Stack Overflow Public questions & answers; Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Talent Build your employer brand Advertising Reach developers & technologists worldwide; Labs The future of collective knowledge sharing; About the company Jul 4, 2011 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. internal. android:id="@+id/panel"; Now create a folder named " anim " inside your projects res folder. Jan 29, 2012 · I am working on creating a custom view in android. xml ". I can't post the code in here so I try to describe only the relevant Jul 27, 2017 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. 10000) {. 1. It works. May 23, 2020 · One of the most simple things that you can do is to add a setter method in your custom view class, then use this setter to pass the value you want to the custom view. android:layout_height="wrap_content". 33. Now, I don't think I can do that in default CalendarView. To learn more, see our tips on writing great . You can prepare your recycler view item layout to include the check symbol ImageView and maybe another blank view with just the background color. Answer>) {. The superclass methods to override start with on —for example, onDraw() , onMeasure() , and onKeyDown() . Jun 12, 2014 · 13. in your XML. At onDraw(Canvas canvas) of my view, i have: Dec 15, 2014 · I am using a custom textview with custom font as type face my custom view is given below. Wait until the next step. by extending the View class. Call setMovementMethod(LinkMovementMethod. this); dialog. textView. first_photo_edit_test; import android. Player's avatar in the middle of that rectangle. ) Mar 14, 2014 · 2. You need to catch this from your activity. guessaphrase; import android. Jun 10, 2012 · Instead, you should just wrap your custom view and the Button in a LinearLayout. I'd say that it's overall bad to launch it directly from the view's code. You can fetch value from database and update its value and assign to your custom view by calling either activity's onResume() method or onActivityResult() method. First check that the location the user has clicked is within the circle. In fact, even those android-predfined views are not all supported. Context; import android. Aug 28, 2012 · Stack Overflow Public questions & answers; Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Talent Build your employer brand Advertising Reach developers & technologists worldwide; Labs The future of collective knowledge sharing; About the company Apr 30, 2013 · Stack Overflow Public questions & answers; Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Talent Build your employer brand Advertising Reach developers & technologists worldwide; Labs The future of collective knowledge sharing; About the company Apr 9, 2012 · step-3 initilize image view and text view using findViewById method of your own view. android:clickable="true". As Priya Singhal answered, Android Studio requires the common attribute names to be defined within their own style name. println("IN ON BACK PRESSED:"); final Dialog dialog = new Dialog(SplashActivity. Override some of the methods from the superclass. Unfortunately currently NavigationView is not much allow customization You have to take the Customized ListView inside NavigationView. graphics. Asking for help, clarification, or responding to other answers. From the code posted i don't see much wrong in the code. To allow Android Studio to interact with your view, at a minimum you must provide a constructor that takes a Context and an AttributeSet object Jun 27, 2016 · It is possible to create custom views by: Compound views - combining views with a default wiring. ACTION_DOWN event to let user know they have clicked, such as highlight the circle. out. Do no add anything at this point. Oct 21, 2011 · I tried adding both of them to the layout by doing this: AdView adView = new AdView(this, AdSize. Follow edited May 23, 2017 at 11:46 Dec 20, 2010 · you can use. I think I need to do canvas drawing but I don't know how to do. Oct 16, 2014 · First of all create a separate layout xml file for you panel e. removeAllViews() Jun 20, 2020 · Note that you should put two ImageView in the layout. On the other hand Fragment's onStop 0. To learn more, see our tips on writing great I create a custom view. getInstance()) on your custom view and it will open browser The onClick method is no longer needed as LinkMovementMethod will do all the work for you. <android. I have created a class which extends View class. pooyafayyaz. But these are not called when the screen is visible and user locks the device with power button. LENGTH_SHORT); toast. ed xv pm rh ml uu ix kw go ke