Mercury-IM/app/src/main/java/org/mercury_im/messenger/android/ui/ikey/IkeyBackupCreationFragment.java

package org.mercury_im.messenger.android.ui.ikey;

import androidx.lifecycle.ViewModelProvider;

import android.os.Bundle;

import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.fragment.app.Fragment;

import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.TextView;

import org.mercury_im.messenger.R;

import java.util.UUID;

import butterknife.BindView;
import butterknife.ButterKnife;

public class IkeyBackupCreationFragment extends Fragment {

    private IkeyBackupCreationAndroidViewModel viewModel;

    @BindView(R.id.backup_code)
    TextView backupCode;

    @BindView(R.id.qr_code)
    ImageView qrCode;

    private final UUID accountId;

    private IkeyBackupCreationFragment(UUID accountId) {
        this.accountId = accountId;
    }

    public static IkeyBackupCreationFragment newInstance(UUID accountId) {
        return new IkeyBackupCreationFragment(accountId);
    }

    @Override
    public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container,
                             @Nullable Bundle savedInstanceState) {
        View view = inflater.inflate(R.layout.fragment_ikey_backup_creation, container, false);
        ButterKnife.bind(this, view);
        return view;
    }

    @Override
    public void onActivityCreated(@Nullable Bundle savedInstanceState) {
        super.onActivityCreated(savedInstanceState);
        viewModel = new ViewModelProvider(this).get(IkeyBackupCreationAndroidViewModel.class);
        viewModel.initialize(accountId);

        viewModel.getPassphrase().observe(getViewLifecycleOwner(), passphrase -> backupCode.setText(passphrase));
        viewModel.getPassphraseAsQrCode().observe(getViewLifecycleOwner(), bitmap -> qrCode.setImageBitmap(bitmap));
    }

}