AndroidStudio tutorial - beginner | #10 | How to pick image from gallery

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Introduction:
Android is a Linux based operating system it is designed primarily for touch screen mobile devices such as smart phones and tablet computers. The operating system have developed a lot in last 15 years starting from black and white phones to recent smart phones or mini computers. One of the most widely used mobile OS these days is android. The android is software that was founded in Palo Alto of California in 2003.

Why Should you Learn Android?
1 Open source code
Android is an open source operating system for mobile devices by Google. Android's goal is to avoid any central point of failure in which one industry player can restrict or control the innovations of any other player, and Android is a full, production-quality operating system for consumer products, complete with customizable source code that can be ported to nearly any device and public documentation that is available to everyone (in English at source.android.com and in Simplified Chinese at source.android.google.cn).
2 Google Play Store – The Huge App Market
As of 2017, Google Play features over 3.5 million Android applications.[4][5] Users in over 145 countries can purchase apps, although Google notes on its support pages that "Paid content may not be available in some provinces or territories, even if the governing country is listed above."[6] Developers in over 150 locations can distribute apps on Google Play
3 Booming Job Prospects
As Android provides an interesting revenue model, a lot of organizations have a dedicated team for application development with hiring catching pace. The unique advantage of learning app development is that learners can choose to work or freelance.
4 Revenue Model
App Download – Once the app is launched in the Google play store, the app developer can fix a price for the app and post download, Google will pay out after deducting play store charges.
Ad-Revenue – This model is quite common for free apps where Google will pay out to developers in exchange for placing ads in the app. A lot of developers have benefited from this model.
5 Penetration on Different devices
the devices supported include Smart TVs, Smartphones, Tablets, Portable Media Players, Camera, VoIP Phones, Video game player, Car DVD Player, Car Systems, Smartwatches and even Drones…
6 Gradual Learning Curve
There is a lot of inhibition among Android app developers over what they need to learn in order to develop Android apps. One has to agree that the person must be innovative, identify opportunities in the market and develop new ideas