most Usefull library
Material Search Bar: https://github.com/mancj/MaterialSear... Rounded Image View: https://github.com/vinc3m1/RoundedIma... Carousel: https://github.com/ImaginativeShohag/... Android Volley: https://google.github.io/volley Tiny Cart: https://github.com/hishd/TinyCart Advanced Webview: https://github.com/delight-im/Android... RoundedHorizontalProgressBar:https://github.com/saisasanksunkavalli/RoundedHorizontalProgressBar ssd:https://github.com/intuit/sdp. Image slider: https://github.com/denzcoskun/ImageSlideshow Glide load image from url and show using glide : https://github.com/bumptech/glide picasso : https://github.com/square/picasso youtube video: https://github.com/PierfrancescoSoffritti/android-youtube-player dialog plus: https://github.com/orhanobut/dialogplus pdfviewer: https://github.com/barteksc/AndroidPdfViewer pdfviewer: https://github.com/voghDev/PdfViewPager