Today I had wasted my lots of time connecting to internet to the Android AVD Emulator. So when I was trying to connect wifi on my emulator it was not at all working. Tried many ways to fix it it. But after lots of struggle, I am ……………
This article is the extension of Observer Pattern. In this we will try to relate this pattern with Android framework so that it would be easy for Android enthusiasts to relate better. If you are seeking for some more deep basic understanding on Observer Pattern, you can ……………
The Observer Pattern is a software design pattern that establishes a one-to-many dependency between objects. Anytime the state of one of the objects (the “subject” or “observable”) changes, all of the other objects (“observers”) that depend on it are notified. Before starting this Observer Design Pattern, I would ……………
In Java the Singleton pattern will ensure that there is only one instance of a class is created in the Java Virtual Machine. It is used to provide global point of access to the object. In terms of practical use Singleton patterns are used in logging, caches, ……………
Design patterns are typical solutions to commonly occurring problems in software design. They are like pre-made blueprints that you can customise to solve a recurring design problem in your code. You can’t just find a pattern and copy it into your program, the way you can with ……………
#PocoF1 is the leading Smartphone with superior spec and features with cost effective price range. Poco F1 is the first every smart phone from Poco, sub brand from Xiaomi. But the the day it’s been launched, the MI Fans got stunned, when it’s price got revealed. ……………
Xiaomi’s PocoPhone F1 is one of the incredibly best Smartphones in India. Its the #masterOfSpeed in the category of Snapdragon 845 enabled phone with worth effective price. It’s first flash sale achieving revenue of INR 200 crore in less than five minutes. Now it’s the time to grab ……………
How can we prove that Java and Kotlin can co-exist and its interoperable? Kotlin is designed with Java Interoperability in mind. Existing Java code can be called from Kotlin in a natural way, and Kotlin code can be used from Java rather smoothly as well. In this section ……………
Writing our Hello World project in Android studio 3.0.0 using Kotlin and Java.
Let’s start this activity with one example. You can pick any example in this case. Here I just want to showcase that all the existing Android Java files(entire application) can be converted to Kotlin syntax. So I am going to consider one of my existing Android Java ……………
If you have some doubt then I recommend you to have a look on above video for more better understanding. You can put your question also in the comment section below.
If you have some doubt then I recommend you to have a look on above video for more better understanding. You can put your question also in the comment section below.
Android Studio 3.0.0 has the support for Kotlin Programming Language. This platform is fully compatible to Kotlin & Java together. Key Notes Java can call to Kotlin function or visa versa is also true. If you don’t how to write Kotlin code then it’s still very ……………
Install a Preview Version of Android Studio If you are trying to install preview version and you do not have any Android Studio version in your machine then you can also follow below steps to install it. Just keep in mind that avoid purple highlighted option from ……………
This tutorial will cover how to fetch JSON from assets folder and parse it. We will use GSON, a JSON parsing library developed by Google, to quickly parse the JSON into Java objects with very minimal work required.
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dependencies { compile 'com.google.code.gson:gson:2.8.0' // Latest as of April 2017 } |
What is Volley? Volley is an HTTP library that makes networking for Android apps easier and most importantly faster. Volley is a networking library developed by Google and introduced during Google I/O 2013. It was developed because of the absence, in the Android SDK, of a networking ……………
Vysor is one of the great Chrome plugin which is used to connect through USB debugging and showcase mobile display on the PC display. Once display will be shown to the PC then, through ‘share the desktop’ that display can be shared to the other connected parties. ……………
Error Log
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<strong>Error</strong>:java.lang.OutOfMemoryError: GC overhead limit exceeded Or <strong>Error</strong>:Execution failed for task ':projectName:transformClassesWithDexForDebug'. > com.android.build.api.transform.TransformException: com.android.ide.common.process.ProcessException: java.util.concurrent.ExecutionException: com.android.ide.common.process.ProcessException: org.gradle.process.internal.ExecException: Process 'command '/Library/Java/JavaVirtualMachines /jdk1.8.0_101.jdk/Contents/Home/bin/java'' finished with non-zero exit value 3 |
In my this tutorial, I am going to demonstrate how to extract method details with Annotation details with Reflection mechanism. Have a look on complete details and let me know if I you need some more details. Below interface is @Retention.RUNTIME Annotation enabled.
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package www.technicaljungle.com; import java.lang.annotation.Retention; import java.lang.annotation.RetentionPolicy; @Retention(RetentionPolicy.RUNTIME) public @interface RefRetentionInterface { String value(); } |
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Meta data is some kind of description that you can supply along with your data. In java it’s possible to do with annotations, XML, there are other methods. In order to take advantage of meta data you should have something that will process this data and decide ……………
This is a bit of a complex annotation type. It indicates that the annotated class with this type is automatically inherited. More specifically, if you define an annotation with the @Inherited tag, then annotate a class with your annotation, and finally extend the class in a subclass, ……………
The ‘@documented’ annotation indicates that an annotation with this type should be documented by the javadoc tool. By default, annotations are not included in javadoc. But if @Documented is used, it then will be processed by javadoc-like tools and the annotation type information will also be included ……………
The retention annotation indicates where and how long annotations with this type are to be retained. There are three values: SOURCE—Annotations with this type will be by retained only at the source level and will be ignored by the compiler. CLASS—Annotations with this type will be by ……………
Meta Annotation which is also called as Annotation of Annotation. This is of four types: Target Retention Documented Inherited The Target Annotation The target annotation indicates the targeted elements of a class in which the annotation type will be applicable. It contains the following enumerated types as ……………
There are two types of annotations available with JDK5: Simple annotations: These are the basic types supplied with Tiger, which you can use to annotate your code only; you cannot use those to create a custom annotation type. Meta annotations: These are the annotation types designed for annotating annotation-type ……………
Rules of Thumb for Defining Java Annotation Types Here are some rules-of-thumb when defining an annotation type: Annotation declaration should start with an ‘at’ sign like @, following with an interface keyword, following with the annotation name. Method declarations should not have any parameters. Method declarations should ……………