Screenshot Android 4 (Ice Cream Sandwich)
|Android 4.0 Ice Cream Sandwich|
If you have phone with Android 4.0 or later, Just press and hold the Volume Down and Power buttons at the same time. You will observe an animation on the screen, indicating that a screenshot has saved. Your screenshot will be saved in gallery photos. Run the Gallery app and tap Screenshots to view / share your screenshots.
Screenshot Android with Root Apps
To give an app authorization to see / view your screen, you’ll need to root your Android. After rooting your device, you can install screenshot apps that require root from Google Play. There are many options to choose from, many of them are paid apps.
Screenshot UX is a free app that worked for me. Other apps have similar features.
AirDroid is a fast, free app that lets you wirelessly manage your Android from your favorite browser.
AirDroid also supports screenshots on rooted devices. You can take screenshots wirelessly via your web browser. AirDroid can control many other areas of your device.
AShot aka Screenshot Android
AShot is open-source free way to make screenshots of your Android phone from the computer. It requires the Android SDK installed and properly configured. AShot offers a variety of advantages, including near-real-time streaming of your Android’s screen to the Ashot application on your computer.