Using Fragments in Android with FragmentActivity
I recently published an Android application that lets you apply a tan to your photos. Rather than creating an Activity for each of the four screens, I used a FragmentActivity …
Saving a List of Strings in Android with SharedPreferences
The SharedPreferences class allows you to save preferences specific to an android Application. API version 11 introduced methods putStringSet and getStringSet which allows the developer to store a list of …
Android Uploading a File to a PHP Server
The following script allows you to upload a file from your Android application by sending the file to the PHP server, which can then save the file to the disk. …
How to Enable Swiping Between Multiple Screens in Android (Using Fragments)
FragmentActivity is a helpful class for creating an application with multiple screens in which the user can swipe between. Rather than creating one activity per screen and defining the transition …
Android General FAQ
What is the Life Cycle of an Activity? The activity lifecycle includes many states, beginning with the creation of the activity and ending in the destruction of the activity. When …