Like in HTML. Android Layout height equals 50 percents of parrent. Your email address will not be published. Notify me of followup comments via e-mail. This site uses Akismet to reduce spam. Learn how your comment data is processed.
Here I want to talk about mock responses for your Retrofit. Sometimes we should continue mobile development even backend not ready. We can be never blocked on it if will use mock responses. Sure we Read more…. Below you can find code which help you find if SIM card available in the device. There two solutions. Here is few lines how to get size of directory in Android. To get size of directory you need sum sizes of all files in this directory and subdirectories.
So, we need recursion. Categories: Android Development. Leave a Reply Cancel reply. What's on your mind? Related Posts. Android Development How to create mock server response and connect to Android Retrofit Here I want to talk about mock responses for your Retrofit.
Android Development Detect sim card availability in the Android dual sim device Below you can find code which help you find if SIM card available in the device.
Android Development How to get size of the app data in Android Here is few lines how to get size of directory in Android.Typically, images are displayed using the built-in image view. This view takes care of the loading and optimizing of the image, freeing you to focus on app-specific details like the layout and content. In this guide, we will take a look at how to use an ImageView, how to manipulate bitmaps, learn about the different density folders and more. At the simplest level, an ImageView is simply a view you embed within an XML layout that is used to display an image or any drawable on the screen.
The ImageView handles all the loading and scaling of the image for you. Note the scaleType attribute which defines how the images will be scaled to fit in your layout.Dallas texas donation request
In the example, using scaleType "center", the image will be displayed at its native resolution and centered in the view, regardless of how much space the view consumes. By default, contents of an ImageView control are of a certain size -- usually the size of the image dimensions. The scaleType above has been set to fitXY which sets the height and the width up or down to fit the maximum dimensions specified. Fixing the width and height however means that the proportions of the width and height of the original image, known as the aspect ratio, will be altered.
We can take advantage of the adjustViewBounds parameter to preserve this aspect ratio.How to create FULL SIZE VIDEO posts for INSTAGRAM in Adobe Premiere Pro! (Portrait, Square, Stories)
Otherwise, the dimensions cannot be readjusted to meet the required aspect ratio. By combining these properties together we can control the rough size of the image and still adjust the image according to the proper aspect ratio. We can also size an ImageView at runtime within our Java source code by modifying the width or height inside getLayoutParams for the view:.
In certain cases, the image needs to be scaled to fit the parent view's width and the height should be adjusted proportionally. We can achieve this using an extended ResizableImageView class as described in the post. An ImageView can display an image differently based on the scaleType provided.
The trick to viewport units on mobile
Above we discussed the fitXY type along with adjustViewBounds to match the aspect ratio of the drawable. The following is a list of all the most common types:. Note: The fitXY scale type allows you to set the exact size of the image in your layout. However, be mindful of potential distortions of the image due to scaling.
Refer to this ImageView ScaleType visual guide for additional reference. Since Android has so many different screen sizes, resolutions and densities, there is a powerful system for selecting the correct image asset for the correct device. There are specific drawable folders for each device density category including: ldpi lowmdpi mediumhdpi highand xhdpi extra high.
Notice that every app has folders for image drawables such as drawable-mdpi which is for "medium dots per inch". To create alternative bitmap drawables for different densities, you should follow the scaling ratio between the four generalized densities. Refer to the chart below:.
This means that if you generate a x for mdpi 1x baselinethen you should generate the same resource in x for hdpi 1. See these density guidelines for additional details. This handy utility allows us to select a resources directory, choose an extra high density image and the tool will automatically generate the corresponding lower size images for us and place the subfolders inside the generated res-drawable directory within the actual res folder in your project as the example shows below in "Project" view left and the default "Android" view right :.
Refer to the screens support reference for a more detailed look at supporting a wide range of devices. Also check out the iconography guide for more details.Posted by: admin April 10, Leave a comment. Only more recent API devices will have onscreen navigation buttons and thus need the new method, older devices will throw an exception but will not have onscreen navigation thus the older method is fine. I also use level 8 for minimum but my project mostly are compiled at level 13 3.
You can find real device dimensions with either using Display or DisplayMetrics. Tags: androidandroid.
April 10, Android Leave a comment. Questions: Can someone tell me the code to convert image into byte array and that byte array into base64 string. Questions: I want to show a spinning wheel dialog while my app loads some data: The spinning wheel dialog should show on a button click.
Add menu. I think this will work. The trick is you must use: display. How to convert image into byte array and byte array to base64 String in android? April 10, Android Leave a comment Questions: Can someone tell me the code to convert image into byte array and that byte array into base64 string.Learn Development at Frontend Masters. Viewport units have always been controversial and some of that is because of how mobile browsers have made things more complicated by having their own opinions about how to implement them.
Case in point: should the scrollbar be taken into account for the vw unit? Then there are physical attributes of the devices themselves hello, notch! The spec is pretty vague about how viewport units should be calculated. So yeah, no clear guidance there when it comes to handling device and browser-specific differentiations. Once you get past a piece of the browser interface, like the address bar, the vh value would update and the result was an awkward jump in the content. Safari for iOS was one of the first mobile browsers to update their implementation by choosing to define a fixed value for the vh based on the maximum height of the screen.
By doing so, the user would not experience jumps on the page once the address bar went out of view. As of this writing, there is a ticket to address this in Firefox Android. While using a fixed value is nice, it also means that you cannot have a full-height element if the address bar is in view. The bottom of your element will be cropped.
Get height of a view in onCreate method (Android)
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Play YouTube Videos in an Android App
Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information. I am trying to apply an animation to a view in my Android app after my activity is created. To do this, I need to determine the current size of the view, and then set up an animation to scale from the current size to the new size. This part must be done at runtime, since the view scales to different sizes depending on input from the user.
My layout is defined in XML. This seems like an easy task, and there are lots of SO questions regarding this though none which solved my problem, obviously.Monster slash lcg
So perhaps I am missing something obvious. I get a handle to my view by:. I have also tried manually calling measure on the view followed by a call to getMeasuredWidthbut that has no effect. I have tried calling these methods and inspecting the object in the debugger in my activity's onCreate and in onPostCreate. How can I figure out the exact dimensions of this view at runtime? Use the ViewTreeObserver on the View to wait for the first layout.
If you write in Kotlin, you can use the next function, which behind the scenes works exactly like runJustBeforeBeingDrawn that I've written:.3gp porn mat saleh fuck melayu free dwonload
Note that you need to add this to gradle found via here :. A common mistake made by new Android developers is to use the width and height of a view inside its constructor. The real sizes are calculated during the layout stage, which occurs after construction but before anything is drawn. You can use the onSizeChanged method to be notified of the values when they are known, or you can use the getWidth and getHeight methods later, such as in the onDraw method.
Based on mbaird's advice, I found a workable solution by subclassing the ImageView class and overriding onLayout. I then created an observer interface which my activity implemented and passed a reference to itself to the class, which allowed it to tell the activity when it was actually finished sizing.
OnLayoutChangedListener feature :.Electronic buzzer sound
You can check this question. You can use the View 's post method. Learn more. Determining the size of an Android view at runtime Ask Question. Asked 9 years, 6 months ago. Active 8 days ago.
Viewed k times.This class was deprecated in API level The following shows how to replicate the functionality of percentage layouts with a ConstraintLayout. Subclass of RelativeLayout that supports percentage based dimensions and margins. You can specify dimension or a margin of child by using attributes with "Percent" suffix. Content and code samples on this page are subject to the licenses described in the Content License. The second Android 11 Developer Preview is now available, test it out and share your feedback.
Android Developers. LayoutParams arg0 ViewGroup. LayoutParams arg1. Callback arg1. PercentRelativeLayout added in version Interfaces PercentLayoutHelper.
LayoutParams R R. From class android. RelativeLayout int. ViewGroup int. View int. PercentRelativeLayout Context context. RelativeLayout boolean. LayoutParams arg0. ViewGroup void.2013 scamp camper
LayoutParams arg2. LayoutParams arg2, boolean arg3. LayoutParams arg1, int arg2, int arg3. AnimationListener arg0. OnHierarchyChangeListener arg0. Callback arg1, int arg2. View void.3d scatter plot in excel (using rexcel)
OnKeyFallbackListener arg0. OnAttachStateChangeListener arg0. OnLayoutChangeListener arg0.GitHub is home to over 40 million developers working together to host and review code, manage projects, and build software together. Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community. Already on GitHub? Sign in to your account. Right now in sample project FrameLayout height is dp. Can you add this in your library itself or please let me know how can I do my self!
If you dont know the size and wanna use the video size, then u may need to wait for OnPreparedListener callback to get the video size. So do something like the following in onPrepared. However, I believe this is not good practice as an item of recyclerview since u need to wait some time to get the size of video.
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Copy link Quote reply. This comment has been minimized. Sign in to view. Still, thank you for some solution. Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment. Linked pull requests. You signed in with another tab or window. Reload to refresh your session. You signed out in another tab or window.
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