Collection of awesome Android development library projects from GitHub

Material Design based Navigation Drawer:

1. https://github.com/mikepenz/MaterialDrawer
2. https://github.com/rudsonlive/NavigationDrawer-MaterialDesign
3. https://github.com/neokree/GoogleNavigationDrawer
4. https://github.com/HeinrichReimer/material-drawer
5. https://github.com/neokree/MaterialNavigationDrawer

Material Design based Dialogs:

1. https://github.com/afollestad/material-dialogs

Material Design based Floating Action Buttons:

1. https://github.com/futuresimple/android-floating-action-button/
2. https://github.com/makovkastar/FloatingActionButton

Material Design based Icons:

1. Material Design icons by Google
2. Android Iconics to use any alternative iconfont with text

Material Design based Snackbar:

1. Nispok Snackbar

Asynchronous and event bus:

1. RxAndroid: Scheduler that schedules an Observable on a given Android Handler thread, particularly the main UI thread

Progress bar:

1. daimajia: Number Progress Bar
2. lzyzsd: CircleProgress, ArcProgress, DonutProgress
3. ManuelPeinado: Refresh Action Item
4. Todd-Davies: Progress Wheel
5. john990: Wave Progress View

Dependency Injection:

1. JakeWharton: Butter Knife

Font:

1. chrisjenx: Calligraphy, use custom fonts easily

Material Design sample apps:

1. Slidenerd's materialtest (for tutorial)
2. https://github.com/mikepenz/wallsplash-android

Square open source libraries:

1. Picasso image loader
2. https://github.com/square/okhttp

TextView:

1. Shimmering text
2. Titanic: Water filling text effect
3. android-autofittextview: Auto fit text in any view
4. SecretTextView: Simulates the effect from the app Secret where the characters fade in/out at different speeds

ImageView:

1. Picasso transformations
2. Rounded rectangle with options to choose which corners
3. RoundedImageView
4. CircleImageView

RecyclerView:

1. Malinskiy: SuperRecyclerView

Form validators:

1. https://github.com/coreform/android-formidable-validation
2. https://github.com/vekexasia/android-edittext-validator

Float labels:

1. https://github.com/hardik-trivedi/FloatingLabel
2. https://github.com/IanGClifton/AndroidFloatLabel
3. https://github.com/weddingparty/AndroidFloatLabel

Miscellaneous:

1. Create About activity/fragment
2. xiprox ErrorView:A custom view that displays an error image, a title, and a subtitle given an HTTP status code.

"Awesome android": Collection of awesome android library projects from github:

1. http://snowdream.github.io/awesome-android/
2. https://github.com/snowdream/awesome-android
3. https://github.com/wasabeef/awesome-android-libraries

Android development tutorials

Material Design:

1. Slidenerd's Android Material Design Tutorial

Material Design based Toolbar:

1. Using Toolbars in your apps
2. Android Lollipop Toolbar Example