How do I parse JSON in Android?
How do I parse a JSON feed in Android?
android
How to change the color of a button?
You can change the colour two ways; through XML or through coding. I would recommend XML since it’s easier to follow for beginners. XML: You can also use hex values ex. Coding:
Closing Application with Exit button
Below used main.xml file and text.java file is below
Why is the Android emulator screen blank?
I have recently installed Android Studio and all its updates using sdks manager. When I try to start the emulator i can see this: emulator -netdelay none -netspeed full -avd Nexus_5_API_21_x86 HAX is working and emulator runs in fast virt mode It seems good. The emulator start but only thing i can see is a … Read more
Error inflating class android.support.design.widget.FloatingActionButton
Tried your code, the problem is with the 23.4.0 library. Upgrade to 24.+ , there’s no error in that lib. For example : You need to change the compile version to 24 too.
Service vs IntentService in the Android platform
Tejas Lagvankar wrote a nice post about this subject. Below are some key differences between Service and IntentService. When to use? The Service can be used in tasks with no UI, but shouldn’t be too long. If you need to perform long tasks, you must use threads within Service. The IntentService can be used in long tasks usually with no communication … Read more
How to solve failed to find build tools revision 26.0.2?
Android Studio is looking for build tools 26.0.2, but build tools 27.0.3 is already released for Android Oreo 8.1 I am not totally sure why, but Android Studio doesn’t set the build tools in the gradle “app” file anymore. So here is how I fixed it. You get two options. Method 1 – Install the … Read more
Warning: Do not place Android context classes in static fields; this is a memory leak (and also breaks Instant Run)
Just make sure you pass context.getApplicationContext() or call getApplicationContext() on any context that is passed in via methods/constructor to your singleton if you decide to store it in any member field. idiot proof example (even if someone would pass in an activity it will grab the app context and use that to instantiate the singleton): … Read more
Cannot resolve method getApplicationContext()
The trouble is that you are calling getApplicationContext() inside a Class that does not extend Context or its subclasses (Activity, etc). You should pass Context or its subclass to the JSONTask constructor. Furthermore, I don’t see where you are initializing lvMovies – and you are likely to get NullPointerException at lvMovies.setAdapter(adapter); – my suggestion is that you should pass this as well to your JSONTask constructor: so that in the onPostExecute you can … Read more
How to make layout with rounded corners..?
1: Define layout_bg.xml in drawables: 2: Add layout_bg.xml as background to your layout