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The Android Arsenal - Progress Indicators - AVLoadingIndicatorView

dots and circles - motion graphics - looping gifs - GitHub - Nice loading animations for Android

References for various fundamental things - composition, balance of details etc. I don't have sources for most of these as its something that was lying on my hdd for a while, but you should be able to look it up through google images.

References for various fundamental things - composition, balance of details etc…

Material Design Search Header by Jared Lodwick

Material Design Search Header

I think that headers make for great search bars. Rather than opening a search panel and taking up room in the screen with a search input where content would aggregate, why not use the header as the.