126 lines
4.8 KiB
Java
126 lines
4.8 KiB
Java
package de.danoeh.antennapod.ui.preferences.screen.about;
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import android.os.Bundle;
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import android.view.View;
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import android.widget.ListView;
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import android.widget.Toast;
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import androidx.annotation.NonNull;
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import androidx.annotation.Nullable;
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import androidx.appcompat.app.AppCompatActivity;
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import com.google.android.material.dialog.MaterialAlertDialogBuilder;
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import androidx.fragment.app.ListFragment;
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import de.danoeh.antennapod.ui.common.IntentUtils;
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import de.danoeh.antennapod.ui.preferences.R;
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import io.reactivex.Single;
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import io.reactivex.SingleOnSubscribe;
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import io.reactivex.android.schedulers.AndroidSchedulers;
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import io.reactivex.disposables.Disposable;
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import io.reactivex.schedulers.Schedulers;
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import org.w3c.dom.NamedNodeMap;
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import org.w3c.dom.NodeList;
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import javax.xml.parsers.DocumentBuilder;
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import javax.xml.parsers.DocumentBuilderFactory;
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import java.io.BufferedReader;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.InputStreamReader;
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import java.util.ArrayList;
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public class LicensesFragment extends ListFragment {
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private Disposable licensesLoader;
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private final ArrayList<LicenseItem> licenses = new ArrayList<>();
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@Override
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public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {
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super.onViewCreated(view, savedInstanceState);
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getListView().setDivider(null);
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licensesLoader = Single.create((SingleOnSubscribe<ArrayList<LicenseItem>>) emitter -> {
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licenses.clear();
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InputStream stream = getContext().getAssets().open("licenses.xml");
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DocumentBuilder docBuilder = DocumentBuilderFactory.newInstance().newDocumentBuilder();
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NodeList libraryList = docBuilder.parse(stream).getElementsByTagName("library");
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for (int i = 0; i < libraryList.getLength(); i++) {
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NamedNodeMap lib = libraryList.item(i).getAttributes();
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licenses.add(new LicenseItem(
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lib.getNamedItem("name").getTextContent(),
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String.format("By %s, %s license",
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lib.getNamedItem("author").getTextContent(),
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lib.getNamedItem("license").getTextContent()),
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null,
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lib.getNamedItem("website").getTextContent(),
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lib.getNamedItem("licenseText").getTextContent()));
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}
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emitter.onSuccess(licenses);
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})
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.subscribeOn(Schedulers.io())
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.observeOn(AndroidSchedulers.mainThread())
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.subscribe(
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developers -> setListAdapter(new SimpleIconListAdapter<LicenseItem>(getContext(), developers)),
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error -> Toast.makeText(getContext(), error.getMessage(), Toast.LENGTH_LONG).show()
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);
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}
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private static class LicenseItem extends SimpleIconListAdapter.ListItem {
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final String licenseUrl;
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final String licenseTextFile;
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LicenseItem(String title, String subtitle, String imageUrl, String licenseUrl, String licenseTextFile) {
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super(title, subtitle, imageUrl);
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this.licenseUrl = licenseUrl;
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this.licenseTextFile = licenseTextFile;
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}
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}
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@Override
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public void onListItemClick(@NonNull ListView l, @NonNull View v, int position, long id) {
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super.onListItemClick(l, v, position, id);
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LicenseItem item = licenses.get(position);
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CharSequence[] items = {"View website", "View license"};
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new MaterialAlertDialogBuilder(getContext())
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.setTitle(item.title)
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.setItems(items, (dialog, which) -> {
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if (which == 0) {
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IntentUtils.openInBrowser(getContext(), item.licenseUrl);
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} else if (which == 1) {
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showLicenseText(item.licenseTextFile);
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}
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}).show();
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}
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private void showLicenseText(String licenseTextFile) {
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try {
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BufferedReader reader = new BufferedReader(new InputStreamReader(
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getContext().getAssets().open(licenseTextFile), "UTF-8"));
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StringBuilder licenseText = new StringBuilder();
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String line;
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while ((line = reader.readLine()) != null) {
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licenseText.append(line).append("\n");
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}
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new MaterialAlertDialogBuilder(getContext())
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.setMessage(licenseText)
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.show();
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} catch (IOException e) {
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e.printStackTrace();
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}
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}
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@Override
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public void onStop() {
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super.onStop();
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if (licensesLoader != null) {
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licensesLoader.dispose();
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}
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}
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@Override
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public void onStart() {
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super.onStart();
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((AppCompatActivity) getActivity()).getSupportActionBar().setTitle(R.string.licenses);
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}
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}
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