tianhaoz95

import io.flutter.app.FlutterApplication;
import com.instabug.instabugflutter.InstabugFlutterPlugin;
import java.util.ArrayList;

public class CustomFlutterApplication extends FlutterApplication {
    @Override
    public void onCreate() {
        super.onCreate();
        ArrayList<String> invocationEvents = new ArrayList<>();
        invocationEvents.add(InstabugFlutterPlugin.INVOCATION_EVENT_SHAKE);

tianhaoz95

strategy:
  matrix:
    device:
      - "pixel"
      - "pixel_xl"
      - "pixel_c"
      - "Nexus 6"
  fail-fast: false

tianhaoz95

- name: run tests
  timeout-minutes: 30
  uses: reactivecircus/android-emulator-runner@v2
  env:
    ANDROID_SIGN_PWD: ${{ secrets.ANDROID_SIGN_PWD }}
    SECRET_REPO: ${{ secrets.SECRET_REPO }}
    GITHUB_TOKEN: ${{ secrets.MY_GITHUB_TOKEN }}
  with:
    api-level: 29
    profile: ${{ matrix.device }}

tianhaoz95

jobs:
  android-integration-test:
    name: run integration test on Android emulator
    runs-on: macOS-latest
    steps:
      - uses: actions/checkout@v1
      - uses: actions/setup-java@v1
        with:
          java-version: '8.x'
      - uses: subosito/flutter-action@v1

tianhaoz95

/// Steps for encoding the message
Uint16List expandedMsg = expandMsg(msg2bytes(msg));
Uint16List paddedMsg = padMsg(getEncoderCapacity(img), expandedMsg);

/// Helper function to convert string to bytes
Uint16List msg2bytes(String msg) {
  return Uint16List.fromList(msg.codeUnits);
}

/// Helper function to expand byte messages to bit messages

tianhaoz95

/// Steps to encode the entire byte messages into images
for (int i = 0; i < getEncoderCapacity(img); ++i) {
  encodedImg[i] = encodeOnePixel(img[i], paddedMsg[i]);
}

/// Helper function to encode one bit of message into 8 pixels
int encodeOnePixel(int pixel, int msg) {
  int lastBitMask = 254;
  int encoded = (pixel & lastBitMask) | msg;
  return encoded;

tianhaoz95

crypto.Key key = crypto.Key.fromUtf8(padCryptionKey(token));
crypto.IV iv = crypto.IV.fromLength(16);
crypto.Encrypter encrypter = crypto.Encrypter(crypto.AES(key));
crypto.Encrypted encrypted = encrypter.encrypt(msg, iv: iv);
msg = encrypted.base64;

tianhaoz95

Uint16List extractBitsFromImg(Uint16List img) {
  Uint16List extracted = Uint16List(img.length);
  for (int i = 0; i < img.length; i++) {
    extracted[i] = extractLastBit(img[i]);
  }
  return extracted;
}

tianhaoz95

Uint16List bits2bytes(Uint16List bits) {
  int byteCnt = bits.length ~/ 8;
  Uint16List byteMsg = Uint16List(byteCnt);
  for (int i = 0; i < byteCnt; ++i) {
    Uint16List bitsOfByte = Uint16List.fromList(bits.getRange(i * 8, i * 8 + 8).toList());
    int byte = assembleBits(bitsOfByte);
    byteMsg[i] = byte;
  }
  return byteMsg;
}

tianhaoz95

crypto.Key key = crypto.Key.fromUtf8(padCryptionKey(token));
crypto.IV iv = crypto.IV.fromLength(16);
crypto.Encrypter encrypter = crypto.Encrypter(crypto.AES(key));
crypto.Encrypted encryptedMsg = crypto.Encrypted.fromBase64(msg);
msg = encrypter.decrypt(encryptedMsg, iv: iv);