Android SDK comes with emulators capable of running applications we develop. We will need it for our project! The purpose of an emulator is to simulate a device and displays all its activity windowed on your computer. What can we do with it? We can prototype, develop, and test--all this without a hardware device. You can emulate phones, tablets, wearables, and TV devices. You can create your own device definitions, or you can use predefined emulators.
The good thing about emulators is that they are fast. In many situations, it will take less time to run an application on an emulator instance than on a real hardware device.
Working with the emulators is just as easy with a real hardware device. For gestures, you ...
