Many times we need custom components from native. Here is a simple example on how to create a custom imageview in Android for react native. First we will start with the Android Version Android Create a class that extends SimpleViewManager. Write a setSrc method which accepts the source url from React Native. Implement ‘createViewInstance’ method in which you… Read More »
So how do we normally monitor all the operations in a react native applications. All the networks, redux state etc. So you will need a plugin/package for this. Its called Reactotron. Here is the github page for Reactotron. What is Reactotron? A macOS, Windows, and Linux app for inspecting your React JS and React Native apps. Use it… Read More »
Image Loading and caching had been a little bit pain in react native. In-fact react native didn’t had native support for caching. But after the recent release, there is now support for caching in iOS only. Still not for Android. You can read more about this from here https://facebook.github.io/react-native/docs/images.html#cache-control-ios-only Now these are the variety of options available. default:… Read More »
Animations are achieved in React Native using the Animation API. Below are the methods Animated.timing() — Maps time range to easing value. Animated.decay() — starts with an initial velocity and gradually slows to a stop. Animated.spring() — Simple single-spring physics model (Based on Rebound and Origami). Tracks velocity state to create fluid motions as the toValue updates, and can be chained together. Here we… Read More »
Studies show that we spend more time with our mobile devices every day, either working or enjoying our leisure time. And we use apps in these devices . But what are the ones that we use the most? Sensor Tower is a company dedicated to the marketing of mobile applications, which periodically publishes a report that collects the… Read More »
The blockchain is one of the fastest-growing markets in the entire IT industry. According to the report, the global blockchain technology market is predicted to reach $2.3 billion by 2021, creating a big demand for more engineers and software developers. It obviously represents a colossal career potential for talented blockchain specialists. An average software developer in the US… Read More »
Download our free news app and get instant news from popular news channels instantly. Get the app from here… https://play.google.com/store/apps/details?id=app.mobile.daily_news Please download and leave your valuable feedback as well. Why you will download this app? Fast and efficient. Incorporates news from all famous news channels. Consumes minimal battery. No intruding ads or notifications. Completely… Read More »
In this article, Lets find out how the image loading libraries like Picasso, Glide and Fresco works. We know that images are the one which takes most of the space in our application either in App size or the memory at runtime. Also using large number of images often kicks off Garbage Collection (GC) Events. The more number… Read More »
Here is a simple example where the user clicks a button to show a Snackbar. We know that there is no inbuilt snackbar for iOS. But Flutter makes it easy to do without any custom native code. You can see a Demo video here. Here we use two main elements Scaffold Snackbar The Scaffold Widget from the material… Read More »
Here is a simple example to encrypt and decrypt a audio file in Android. We will directly go to the implementation part. Demo Video You can check the demo video here. Download Library You can download the simple library from here. Aim Download an audio file from internet. Encrypt and save the encrypted file in Disk, so that… Read More »
Apple has introduced a new API in iOS 11 where you can directly connect to a Wi-Fi from with-in the app. For this code to work 1. you need to enable the networking capabilities in your provisioning profile. 2. Once you enable the networking profile in the provisioning profile, you need to regenerate and sign the app with… Read More »
Google has now come up with a new compiler for Android, the D8. This one is basically improved and efficient compared to the DX compiler. Google had shipped the D8 compiler along with Android Studio 3.0 with a opt-in feature. In the initial phase the default compiler would be DX, then Google will deprecate it in later phase.… Read More »
Basically saying both are same. But there are some differences. Lets see what are some of the advantages of Promises. Promises are just a cleaner way for running asynchronous callbacks. Promises also has error catching mechanism which are not in callbacks. Promises are an abstraction for cleaner and better functional code. What are callbacks? Callback is a function… Read More »
The document demonstrates the steps to create react native module bridge in Android and iOS. Below are the steps for creating a native bridge in Android. ANDROID Open the Android Studio with the corresponding project from your react native project. Step 1 : Create the Java class that extends ReactPackage. (eg: AndroidModulePackage.java). Implement the interface methods (createViewManagers &… Read More »
Lets talk about the Room Persistent Library from Google. The Room persistence library provides an abstraction layer over SQLite to allow fluent database access while harnessing the full power of SQLite. The library helps you create a cache of your app’s data on a device that’s running your app. This cache, which serves as your app’s single source… Read More »
Hi Friends, In this article I will be talking about how you can implement GCM in Android using FirebaseMessaging Service. Below are the steps you need to follow… Create Project in Android Studio Create a new project in Android Studio. The package name we use here will be used in the Firebase Console. Create Project in Firebase Console… Read More »
Permissions Add these two permissions in the Android Manifest Read SMS from Inbox Reading SMS from inbox is not a big task, but your user needs to allow it if you app is running on Marhmallow or more. if you app is below marshmallow, then you wont need it. But here we will write one code for both… Read More »
What is ButterKnife? Its a kind of view injection in Activities or Fragments using Annotations. Butterknife can be used to 1. Bind Views 2. Bind Clicks 3. Can be used with resources like strings, colors, Dimens, Drawables etc. Below are the annotations available AnnotationDescription @BindView Binds view object. TextView, Button, Spinner or any view object @BindView(R.id.logo) ImageView imgLogo;… Read More »
Here are some git commands that you will normally use in a git version controlled project repository. Commit For Commiting all modified files use git commit -am”Message” Status For checking the status of the git repository use git status Log For getting the information about the Git checkins use… git log To Print in a convenient one line… Read More »
StringBuffer StringBuffer is mutable means one can change the value of the object . The object created through StringBuffer is stored in the heap. StringBuffer has the same methods as the StringBuilder , but each method in StringBuffer is synchronized that is StringBuffer is thread safe.Due to this it does not allow two threads to simultaneously access the… Read More »
