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A mobile wallet for obscure (Android Only)
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README.md

TonChan - A mobile, native TurtleCoin wallet

Screenshot

Setup

  • Clone the repo:

git clone https://github.com/turtlecoin/turtlecoin-mobile-wallet.git

cd turtlecoin-mobile-wallet

  • Install React Native CLI

npm install -g react-native-cli

  • Install yarn if you don't have it already:

npm install -g yarn

  • Install the dependencies:

yarn install

  • Next, we need to setup the Android JDK and development environment.

First we need to install the Android JDK (Version 8!).

  • Ubuntu - sudo apt-get install default-jdk
  • Arch Linux - pacman -S jdk-openjdk

Next, lets install Android Studio.

  • Ubuntu - https://askubuntu.com/a/941222/764667
  • Arch Linux - pacaur -S android-studio (It's in the AUR, feel free to use your favourite package manager or install manually.)

Next, we need to run the android studio setup, and set some path variables. This is a bit complicated, so I'm going to hand off to the facebook guide here: https://facebook.github.io/react-native/docs/getting-started#1-install-android-studio

Skip the 'Creating a new application' header, and continue on to 'Preparing the Android Device'. Run android-studio . in this directory to import the project.

Once you have your virtual device setup, you can launch the app itself.

  • Run the program:

react-native run-android

If you get an error about 'Unsupported major.minor version', you may need to set JAVA_HOME to point to the correct jdk.

For example, export JAVA_HOME=/usr/lib/jvm/java-8-openjdk/jre/

Developing

Logging

You probably want to run react-native log-android so you can read the console output, and have an easier log of what's going on as you're developing. Errors will get printed to the device, but console.log won't, and it's a little hard to read.

Live Reloading

You probably also want to enable live reloading. Hit "Ctrl-M" in your emulator, or type adb shell input keyevent 82 to open the developer menu, and enable Live Reload. You probably don't want to use Hot Reloading, it's pretty buggy.

Native Code

If you need to update the native code, you may find this article helpful: https://thebhwgroup.com/blog/react-native-jni

To get the updated class signatures, rebuild the Java code (i.e., run react-native run-android, then run

javap -classpath android/app/build/intermediates/classes/debug/ -s com.tonchan.ClassName

Where ClassName is the class you want to query. For example, to get the signatures for WalletBlockInfo:

javap -classpath android/app/build/intermediates/classes/debug/ -s com.tonchan.WalletBlockInfo

Then the constructor signature is this section:

public com.tonchan.WalletBlockInfo(com.tonchan.RawTransaction, com.tonchan.RawTransaction[]);
    Signature: (Lcom/tonchan/RawTransaction;[Lcom/tonchan/RawTransaction;)V

Specifically, (Lcom/tonchan/RawTransaction;[Lcom/tonchan/RawTransaction;)V

Flowcharts

There is a flow chart describing screen navigation in the flowcharts folder.

There is also an xml file that you can import into draw.io if you want to modify the flowchart.

Creating a release

You need to bump the version number in:

  • src/Config.js - appVersion
  • android/app/build.gradle - versionCode and versionName

Running natively on your Android device

Follow this guide.

Building an APK

Follow this guide.

Once you have finished, compile the APK:

yarn build-android

Install the APK on your device:

yarn deploy-android

If it all works, you can then upload to the play store.

Note that you need to close the emulator to get the yarn deploy-android to install on your mobile.

Forking

Modifying icon

Replace assets/img/icon.png with your icon image. Make sure it is 1024x1024.

Run npm install -g yo generator-rn-toolbox (You may need to run this with sudo)

Run yo rn-toolbox:assets --icon assets/img/icon.png --force

When it asks for the name of your react-native project, enter TonChan

Renaming app

Run npm install -g react-native-rename (You may need to run this with sudo)

Run react-native-name your-new-project-name from this directory. (Obviously, replace with the desired name)

This might confuse the build system. You probably should do this before installing.

Config

Edit config.js. The fields should be self explanatory. Make sure to recompile.

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