Remario questions

Remario answers

• How do people develop WhatsApp mods like GBWhatsapp, etc (with extra features) when the source code of WhatsApp is not available?
• Where should I store access token
• How Google calendar or Instagram make their apps all the time up and running even after force stop
• Android refreshing adapter work after rotation again device
• Reduce size of picture before post
• Find a View of an AlertDialog
• Difference between AJAX and XMLHttpRequest [duplicate]
• RxJava2 .subscribeOn .observeOn confusion. Running on Main thread
• Android - Camera permissions denied without prompting
• Difference between a thunk and a closure