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:
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
Could not automatically detect an ADB binary – Android Studio
From my experience this is because the AVD can’t detect your ADB binary. When you launch the AVD if you go into settings, it’s the ‘…’ symbol on the toolbar of the virtual machine, then go to the ‘Settings’ section there should be an option called ‘Use detected ADB location’ switch this off then select … Read more
What is INSTALL_PARSE_FAILED_NO_CERTIFICATES error?
Did you edit the AndroidManifest.xml directly in the .apk file? If so, that won’t work. Every Android .apk needs to be signed if it is going to be installed on a phone, even if you’re not installing through the Market. The development tools work round this by signing with a development certificate but the .apk … Read more