android child view clickable


Note: In order to look for an ID of a view inside the layout file we need to call this method provided by Android called (findViewById), then we pass the ID of the view by first starting with (R) as resource, ID and then the actual ID of the view. Questions: I have a textview that can contain clickable links. Note:- that the third (A-3) option has a hyperlink, but the description of the link (the part between the tags) itself is not a link. You are right soydan, I had some views focusable and clickable. Let me take you from there. Simple! Hello Friends, Today I am going share how to use RecyclerView with click effect & click event handling on item in android. In our standard Android application development and implementation process it does not happen when we add scrollable control in another scrollable control. Otherwise, if you want to have more control on the link customization and operations after the user taps on it, follow the second part of the tutorial. Any view object has the ability to be made clickable by calling setClickable(true) in Java or adding android:clickable="true" in XML. Adding an ImageView to an activity. android:scaleType: Controls how the image should be resized or moved to match the size of the ImageView. In your app, if the View is not clickable, ... remove its OnClickListener or set android:clickable="false". Moreover, ImageView is also used to control the size and movement of an image. Unequal distribution. The third child View element appears under the second child View element in the LinearLayout. FindViewById(Int32) Look for a child view with the given id. 1 Copy link iwnijao commented Oct 10, 2013. How to set the color of a textView span in android? If we want the user to select some items and want to display the items that the user has chosen then this one is the most important feature for us. In the below example i have created a recyclerview, in recyclerview i have added cardview item, so when you click on cardview item it will open next activity.in below code, first i have added recyclerview and cardview library , in second step, in actvity_main.xml layout i have created recyclerview and included toolbar. ImageView class or android.widget.ImageView inherits the android.view.View class which is the subclass of Kotlin.Any class. The Scrolling Text app demonstrates the ScrollView UI component. android:tint: Tints the color of the image in the ImageView. so apparently if your list item is focusable or it has a focusable view as a child, on click listeners do not work. I know there is lot of tutorial available to do this but still I am sharing this because, every time I work with RecyclerView, I have to google for … Seriously? How to set the layout weight of a textview programmatically in Android? The problem was to make a TextView clickable and to go to a new activity. It's important to understand the view hierarchy, as it affects whether views are visible and efficiently they are drawn. I am gonna discuss a couple of different solution which we can use to increase the touchable area of view. and this is the xml code for single view item (item_custom_data.xml), which we gonna use in the ViewHolder later on to render the dummy data: How to set the part of the Android text view as clickable in Kotlin? In case, if we want to add multiple views within the scroll view, then we need to include them in another standard layout like linearlayout, relativelayout, framelayout, etc. Used to specify a maximum height for this view. Find the view in the hierarchy rooted at this view that currently has focus. In Android, ImageButton is used to display a normal button with a custom image in a button.In simple words we can say, ImageButton is a button with an image that can be pressed or clicked by the users. I will explain how to create a TextView with inside a clickable link in Android. When one of this links is clicked, I want to start an activity. The ideal behavior expected is when the user touches the parent scroll view, only the parent view’s scroll event is called and when the user scrolls the child scroll view, the child view’s scroll event is called. So just follow the first part of this tutorial! Then set the android:layout_weight of each view to "1". 5. scaleType: scaleType is an attribute used to control how the image should be re-sized or moved to match the size of this image view. Ideally, all clickable view should be large enough in UI so that they are easily clickable but still if we have a small view on the screen which are pretty small we can increase the touch area of this views while keeping the size of those views same. You are reading a sample chapter from the Android Studio 3.0 / Android 8 Edition book. Below is the example code of scale type in which we set the scale type of image view to fit_xy. This child view may itself be a ViewGroup ... Add the autoLink attribute to enable URLs in the text to be active and clickable. Tip: You can explore the view hierarchy of your app using Hierarchy Viewer. The view hierarchy can grow to be complex for an app that shows many views on a screen. To make click event work add android:onClick attribute to the Button element in your XML layout. Android will draw it again at “some point in the future”. Making the item view non-focusable solved it for me. android:src: Sets a drawable as the content for this ImageView. Here is the kotlin class of my view: class CollapsableCategoryView(context: Context, attrs: AttributeSet) : LinearLayout(context, attrs) { /** … How to create clickable links in a textView on Android? In this way, you tell accessibility services to consider the View not clickable. The android ScrollView can hold only one direct child. Purchase the fully updated Android Studio 4.1 / Android 11 (R) / Jetpack Edition of this publication in eBook ($29.99) or Print ($46.99) format The child of a container view appears on top of its parent view and is constrained to appear within the bounds of the parent view’s display area. This example demonstrates how to set the part of the Android text view as clickable in Kotlin. FindViewById(Int32) FindViewsWithText(IList, ICharSequence, FindViewsWith) FindViewsWithText(IList, String, FindViewsWith) FindViewWithTag(Object) Look for a child view with the given tag. As the third child view, it appears under the second child view in the linear layout. You can also create linear layouts where the child elements use different amounts of space on the screen: If there are three text fields and two of them declare a weight of 1, while the other is given no weight, the third text field without weight doesn't grow. In Android, We can make a CardView checkable, which can be really a useful feature. So this method does not only set the OnClickListener, but also resets the flag for beeing clickable back to true. If this view is not clickable, it becomes clickable. In my opinion this is a design flaw in the method setOnClickListener, because it violates the single responsibility principle, which is also applicable to methods. This article was updated on February 1, 2017, for Android 7.1 (API level 25) For more on Android, watch our tutorial Outputting Data to Your Android App’s User Interface.. I hope you have read my previous article. RecyclerView single view item UI. The Activity hosting the layout must then implement the corresponding method. I hope this helps. In more complex user interfaces, multiple clickable Views may have parent/child relationships in the view hierarchy. It's important to understand the hierarchy, as it affects whether View elements are visible and how efficiently they are drawn. Android Layout make all children's not clickable, To make your relativelayout block touches and clicks for all of its children you simply need to set the onTouchListener, like this: YOUR_RELATIVE_LAYOUT. android:maxWidth: Used to specify a maximum width for this view. ImageButton Tutorial With Example In Android Studio. Consider replacing a Button with a TextView made clickable, or an ImageButton with an ImageView made clickable. How to create clickable links in a TextView on Android using Kotlin? Application of ImageView is also in applying tints to an image in order to reuse a drawable resource and create overlays on background images. By default it looks like a normal button with the standard button background that changes the color during different button states. Then, we will use scrollView using kotlin in the application. At first, we will create android application. Defines whether view is clickable or not: 6: android:theme: Defines a theme override for view: 7: android:id: Defines id of the view: 8: android:padding: Defines padding of the view : Example of Android ScrollView Using Kotlin. ScrollView is a ViewGroup that in this example contains a TextView. 1. The value for this attribute must be the name of the method you want to call in response to a click event. Step 1 − Create a new project in Android Studio, go to File? This example demonstrates how to create clickable links in a TextView on Android using Kotlin. I am struggling to implement long click for a child view in an expandable list view in Android. New Project and fill all required details to create a new project. This works fine, but it should also be possible to click the whole textview and start another activity. Android: ClickableSpan in clickable TextView . Do you want to open a static link without doing other operations? I saw that there are methods for long click for normal list views but how do I implement the long click for a child view in an expandable list view? AlarmClock; BlockedNumberContract; BlockedNumberContract.BlockedNumbers; Browser; CalendarContract; CalendarContract.Attendees; CalendarContract.CalendarAlerts But I get StackOverflowError, and about a hundres of these: "at android.view.ViewGroup.resetResolvedLayoutDirection(ViewGroup.java:7207)", even if I try to use the solution in the second aswer, using a while loop instead of the for. Posted by: admin February 23, 2018 Leave a comment. One method, one task. The layout hierarchy can grow to be complex for an app that shows many View elements on a screen. The value for scale type attribute can be fit_xy, center_crop, fitStart etc. android:autoLink="web" does NOT work with such links. ; links of the third kind will be highlighted, but not clickable). I started making an app in Android Studio using Kotlin and I recently got into a problem while making the login page. Please help. Creating New Project in Kotlin. That invalidate method says to Android, “This view is dirty,” to note that drawing is no longer valid and no longer correctly reflects the state of that view. Step 1 − Create a new project in Android Studio, go to File ⇒New Project and fill all required details to create a new project. It will let Android know that this needs to be drawn. android:autoLink="web" if set in XML will override view.setMovementMethod(LinkMovementMethod.getInstance()); (i.e.