This site has a very high quality android tutorial. Old school versions: Make Your First Android App: Part 1/3 Android Tutorial for Beginners: Part 2 Android Tutorial for Beginners: Part 3 Updated versions: Beginning Android Development Part One: Installing Android Studio Beginning Android Development Part Two: Using Android Studio It is well worth reading both.… Read More »
The official definition is: An Intent is an object that provides runtime binding between separate components, such as two activities. (taken from: https://developer.android.com/training/basics/firstapp/starting-activity.html) In plain English, if you want to pass variables or parameters between screens (activities), use Intents
If you are running into this problem, it will be because Android Studio has this quirk where the constraint folder is not in the android directory structure but outside it. Let’s start from the beginning. The libraries are all in the /User/<username>/Library/Android/sdk/extras/android/m2repository/com/android/support/ However, constraint sits in a slightly different place. It is at /User/<username>/Library/Android/sdk/extras/m2repository/com/android/support/ Note the… Read More »
If you are running code like this: try { PackageInfo myInfo = getPackageManager().getPackageInfo(getPackageName(),0); versionName = myInfo.versionName; verCode = myInfo.versionCode; } catch (PackageManager.NameNotFoundException e) { e.printStackTrace(); } TextView myText = (TextView)findViewById(R.id.textView2); myText.setText(versionName + ” – ” + verCode); but the output is not what you are expecting, the chances are you are using gradle to build… Read More »
If you are using Android Studio and want to emulate on a Galaxy S6 or any other phone in the S range, you can download the skin from http://developer.samsung.com/galaxy/emulator-skin/s To install it, check out this video here: https://www.youtube.com/watch?v=sSc9D4rrOxw Go to 3:24 of the video to see how to install it in Android Studio.
If you are looking for developers option on your Android device and you don’t see it in the settings, it is because on Android 4.2 and newer, it is hidden by default. This is what you need to do: Go to Settings > About phone and tap Build number seven times. Return to the previous… Read More »
To rewrite history (not usually a good thing to do) you can do the following: git reset –hard <commit hash> git rebase -i HEAD~2 (the 2 goes back 2 commits) git push origin +master refresh github and you should see your commits disappear.
In case you forget how to create the most basic html page ever, here is a reminder: <html> <header> <title>This is title</title> </header> <body> Hello world </body> </html>
If you want to test out your integration and by pass the Oauth dance, check out the legacy token link below. Very useful. https://api.slack.com/custom-integrations/legacy-tokens
Confused about how callbacks work? Check out this really neat example. def say_hello(value, callback): print value callback() def say_name(): print “Fra” say_hello(“ciao”, say_name) Ref: https://bytesforlunch.wordpress.com/2012/03/15/simple-callback-implementation-in-python/