This tutorial explains how to setup the android camera2 api recyclerview onclick position so we can find the location of the image file. Get Code The code has been uploaded to github here https://github.com/mobapptuts/recyclerview_image_gallery.git TAG camera2-recyclerview-onclick or else you can run this command git clone –branch camera2-recyclerview-onclick https://github.com/mobapptuts/recyclerview_image_gallery.git Code Samples Create the interface file RecyclerViewClickPositionInterface package […]
Read morePart 3 of the camera2 API tutorial series which concentrates opening the android camera2 api cameradevice. This is needed before CaptureRequests & CameraCaptureSessions can be started. Code available on github You can download the code by cloning this url from github https://github.com/mobapptuts/recyclerview_image_gallery.git and the code changes are under the Tag “cameradevice” Or else you can run this […]
Read moreIn the Android performance with inBitmap tutorial we add the BitmapFactory.Option’s inBitmap flag which can be used for bitmaps that have been evicted from the memory cache but not yet deallocated. This is only supported for android versions Honeycomb or later. Implementation Create a Set of SoftReferenced Bitmaps CamaraIntentActivity private static Set<SoftReference<Bitmap>> mReuseableBitmap; Initialise the […]
Read moreAndroid Camera2 API LooknFeel – Part 1 of a new tutorial series on how to use the android camera 2 api’s. Part 1 focuses on the look & feel of the application, which is based on the recyclerview image gallery Code available on github You can clone the code from https://github.com/mobapptuts/recyclerview_image_gallery.git Tag looknfeel or else you […]
Read moreThis tutorial is about resolving concurrency issues that happen when issuing AsyncTasks when using RecyclerViews in android applications. Get Code You can download the code from github here https://github.com/mobapptuts/recyclerview_image_gallery.git Tag concurrency Or else run this command git clone –branch concurrency https://github.com/mobapptuts/recyclerview_image_gallery.git Create a class derived from BitmapDrawable public static class AsyncDrawable extends BitmapDrawable { final WeakReference<BitmapWorkerTask> taskReference; […]
Read morePart 2 – Addresses the issue with the bitmaps being loaded from the filesystem in the UI thread by creating asynctask in android which in effect creates a background thread to do the file loading. Steps Create the AsyncTask Class public class BitmapWorkerTask extends AsyncTask<File, Void, Bitmap> { WeakReference<ImageView> imageViewReferences; public BitmapWorkerTask(ImageView imageView) { imageViewReferences […]
Read moreThis is part 1 of the android tutorial performance series. We look for a quick and fast solution with testing Picasso image library. It’s mainly a convenience library for downloading images from the internet but also has caching support which we will be looking to use to improve the performance of the recyclerview image gallery […]
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