How to get current time and date in Android
You could use: There are plenty of constants in Calendar for everything you need. Check the Calendar class documentation.
android
Java syntax explanation – getMenuInflater()
The line getMenuInflater().inflate(R.menu.menu_quiz, menu); is a short form of this:
Android Studio: “Execution failed for task ‘:app:mergeDebugResources’” if project is created on drive C:
This is caused by the path length restriction. I think it’s 256 characters maximum. Relocate your project and the build will succeed.
Why doesn’t RecyclerView have onItemClickListener()?
tl;dr 2016 Use RxJava and a PublishSubject to expose an Observable for the clicks. Original Post: Since the introduction of ListView, onItemClickListener has been problematic. The moment you have a click listener for any of the internal elements the callback would not be triggered but it wasn’t notified or well documented (if at all) so … Read more
ADB stopping at (waiting for devices)
the only reason for this is that your PC is not recognizing Phone.which is a driver problem. You have to understand a few things before starting with the solution. you may know this too. when you are in your recovery adb gets into something like recovery mode(just framing some terms myself) in bootloader, it takes … Read more
Dialog throwing “Unable to add window — token null is not for an application” with getApplication() as context
My Activity is trying to create an AlertDialog which requires a Context as a parameter. This works as expected if I use: However, I am leery of using “this” as a context due to the potential for memory leaks when Activity is destroyed and recreated even during something simple like a screen rotation. From a … Read more
Why AVD Manager options are not showing in Android Studio
I had installed Android studio and was not able to access the AVD Manager directly. I had to follow the steps as mentioned below: Created a blank project using Android Studio Once the Project is ready to use I tried open action using the shortcut ctrl+shift+a option and searched for AVD Manager AVD Manager On … Read more
First run of Android Studio. Unable to access Android SDK add-on list
Turn off your firewall, and check if it works perfectly, then add android.bat to trusted files in your windows firewall and restart firewall.
How to convert int to Integer
R.drawable.bg1 is an int … but i want to convert into Integer because Hashmap takes an Integer… and when draw the multiple objects in seconds , it creates a Integer Object runtime which affects the performence of the code…
Android Studio 1.2.1.1 – Failed to find style ‘textViewStyle’
I’m new to Android development and I just installed Android Studio version 1.2.1.1. I created a project, HelloWorld, and chose the default blank activity, Darcula theme, and default API. Straight out of the box, without having written any code or touched anything, I get this message: “Rendering Problems Missing styles. Is the correct theme chosen … Read more