The Onixcoin Wallet is a fork of Coinomi, where we can store our ONIX, without sacrificing security. Private keys are stored in your own device. Using the words or mnemonic phrases you get a master key that can be memorized or stored on paper and then recover your funds at any time.
Install [Android Studio] (https://developer.android.com/studio/). Once it is running, wallet-android navigating to where you cloned or downloaded and selecting settings.gradle. When you have finished importing, click on the SDK Manager! [SDK Administrator] (https://developer.android.com/images/tools/sdk-manager-studio.png). You must install version 26 of the SDK.
Make sure you have JDK 8 installed before you build. You can get it [Here] (https://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html). Once you have installed that, navigate to File> Project Structure> SDK Location and change the path from your current JDK to the path of the new JDK.