Android Programming (3rd Edition)   26. Loopers, Handlers, and HandlerThread

About the 26. Loopers, Handlers, and HandlerThread category (1)
Displaying downloaded images with caption or title (1)
Challenge : Preloading and Caching - preloading seize the network (1)
Uploaded issue of Picasso problem in GitHub (1)
Solution to Challenge: Preloading and Caching (2)
When I press back button my app is crashed with this message: photogallery app has stopped (12)
Cache task with use of pure LRU* (2)
Why do I need to put ViewHolder instances in an HashMap? (2)
Lint Warning for using != to compare a string (3)
My Problem at Cache Chalenge (2)
Challenge: Prealoading and Caching - Partial Solution (2)
Strange problem in my code (3)
Why create a HandleThread to dowload photo 。can we use UI thread (photoGallleryFragment) to create Handle to down photo (2)
Challenge : Preloading and Caching (1)
Same Image is getting Displayed (8)
Inflating layout minor mistake? (3)