Android/app/src/main/java/protect/card_locker/AboutActivity.java

package protect.card_locker;

import android.os.Bundle;
import android.view.MenuItem;
import android.view.View;
import android.widget.TextView;

import com.google.android.material.dialog.MaterialAlertDialogBuilder;


import protect.card_locker.databinding.AboutActivityBinding;

public class AboutActivity extends CatimaAppCompatActivity {

    private static final String TAG = "Catima";

    private AboutActivityBinding binding;
    private AboutContent content;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        binding = AboutActivityBinding.inflate(getLayoutInflater());
        setTitle(String.format(getString(R.string.about_title_fmt), getString(R.string.app_name)));
        setContentView(binding.getRoot());
        setSupportActionBar(binding.toolbar);
        enableToolbarBackButton();

        content = new AboutContent(this);

        TextView copyright = binding.creditsSub;
        copyright.setText(String.format(getString(R.string.app_copyright_fmt), content.getCurrentYear()));
        TextView versionHistory = binding.versionHistorySub;
        versionHistory.setText(String.format(getString(R.string.debug_version_fmt), content.getAppVersion()));

        bindClickListeners();
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        int id = item.getItemId();
        if (id == android.R.id.home) {
            finish();
        }
        return super.onOptionsItemSelected(item);
    }

    @Override
    protected void onDestroy() {
        super.onDestroy();
        content.destroy();
        clearClickListeners();
        binding = null;
    }

    private void bindClickListeners() {
        View.OnClickListener openExternalBrowser = view -> (new AboutOpenLinkHandler()).open(this, view);

        binding.versionHistory.setOnClickListener(openExternalBrowser);
        binding.translate.setOnClickListener(openExternalBrowser);
        binding.license.setOnClickListener(openExternalBrowser);
        binding.repo.setOnClickListener(openExternalBrowser);
        binding.privacy.setOnClickListener(openExternalBrowser);
        binding.reportError.setOnClickListener(openExternalBrowser);
        binding.rate.setOnClickListener(openExternalBrowser);

        binding.credits
                .setOnClickListener(view -> new MaterialAlertDialogBuilder(this)
                        .setTitle(R.string.credits)
                        .setMessage(content.getContributorInfo())
                        .setPositiveButton(R.string.ok, (dialogInterface, i) -> {
                        })
                        .show());
    }

    private void clearClickListeners() {
        binding.versionHistory.setOnClickListener(null);
        binding.translate.setOnClickListener(null);
        binding.license.setOnClickListener(null);
        binding.repo.setOnClickListener(null);
        binding.privacy.setOnClickListener(null);
        binding.reportError.setOnClickListener(null);
        binding.rate.setOnClickListener(null);
        binding.credits.setOnClickListener(null);
    }
}