Could not launch emulator in Android Studio

Question

I tried to launch application in emulator in android Studio in ubuntu 14.04 and it shows the following errors.

1. Error shown while gradle build is in process:

Answer 1

I'm using Android Studio 2.3: edit file : .profile

export ANDROID_HOME=${HOME}/Library/Android/sdk

export PATH=${PATH}:${ANDROID_HOME}/emulator

before

export PATH=${PATH}:${ANDROID_HOME}/tools

Like: