Fragment API unlike Activity API does not come with Back Button navigation by default. So if you have added or replaced many Fragments on a Fragment container. There is no way to go back to the previous Fragment on a Back Button Pressed. Let's see the difference between the behaviors Case 1: Default behavior getSupportFragmentManager() .beginTransaction() .add(R.id.fragmentContainer, fragment, "TAG") .commit();

Use HTML-escapes + Html.fromHtml() The trick here is to add HTML Tags for styling in the String and then set that String to TextView. Code: Keep the string in string (resource)folder like this: Read the string from string (resource)folder like this String text = this.getResources().getString(R.string.textFromRes); htmlText.setText(Html.fromHtml(text)); Output: Note: The string shown in the above output looks like this

What is Mongoose OS? It is an open-source Operating System for the Internet of Things. which is used to create firmware(applications) for microprocessors. Many microcontrollers like ESP32, ESP8266, STM32, TI CC3200, TI CC3220, etc support this OS. What is MOS Tool? Mangoose OS uses mos tool to perform various tasks such as building firmware flashing firmware managing devices …

Advantages of using LocalBroadcast Receiver over Broadcast Reciever? Secure Out: Your broadcasted data remains inside the App. So other apps can not receive your data Secure In: Your app will not receive Data from other apps Broadcast. Drains less battery: It is a more efficient way to send/receive data locally. How to change your global Broadcast to LocalBroadcast? …

Q: Why? A: To provide proper navigation. When the app is launched by App icon (Normal Flow)

This is a re-post of an answer I wrote on Stackoverflow. IntentService extends Service class which clearly means that IntentService is intentionally made for the same purpose. So what is the purpose? `IntentService’s purpose is to make our job easier to run background tasks without even worrying about Creation of…

button.setOnClickListener(this); You must have seen this a thousand times. I bet. Wouldn’t it be nice to have something like this for “DoubleTapListner” You can create a DoubleTapListener by yourself by extending View.OncliclkListener and attach it to any View(Button, TextView, EditText, etc) in Android. Follow these simple steps and you will be able to create a Double, Triple and even a “unicorn” listener.

An Android Activity has 4 States Running Paused Stopped Destroyed Now there is a very unclear Demarcation among them if you just started learning Android application development. I will try to explain it in simple terms. So hang on! 1) Running When a user is actively interacting with an Activity then the…

Apache Jena is an Open Source framework for building Semantic Web and Linked Data applications. It's quite popular and super-easy to run SPARQL queries from Eclipse IDE using Apache Jena library. However, there are not a lot of resources/support available online when you choose to use this framework to make…