Java tutorial
package com.pemikir.youtubeplus; import android.app.Dialog; import android.app.DownloadManager; import android.content.Context; import android.content.DialogInterface; import android.content.SharedPreferences; import android.net.Uri; import android.os.Bundle; import android.preference.PreferenceManager; import android.support.v4.app.DialogFragment; import android.support.v7.app.AlertDialog; import android.util.Log; import java.io.File; /** * Created by Christian Schabesberger on 21.09.15. * <p/> * Copyright (C) Christian Schabesberger 2015 <chris.schabesberger@mailbox.org> * DownloadDialog.java is part of NewPipe. * <p/> * NewPipe is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * <p/> * NewPipe is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * <p/> * You should have received a copy of the GNU General Public License * along with NewPipe. If not, see <http://www.gnu.org/licenses/>. */ public class DownloadDialog extends DialogFragment { public static final String TITLE = "name"; public static final String FILE_SUFFIX_AUDIO = "file_suffix_audio"; public static final String FILE_SUFFIX_VIDEO = "file_suffix_video"; public static final String AUDIO_URL = "audio_url"; public static final String VIDEO_URL = "video_url"; private static final String TAG = DialogFragment.class.getName(); Bundle arguments; @Override public Dialog onCreateDialog(Bundle savedInstanceState) { arguments = getArguments(); super.onCreateDialog(savedInstanceState); AlertDialog.Builder builder = new AlertDialog.Builder(getActivity()); builder.setTitle(R.string.downloadDialogTitle).setItems(R.array.downloadOptions, new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { Context context = getActivity(); SharedPreferences defaultPreferences = PreferenceManager .getDefaultSharedPreferences(context); String suffix = ""; String title = arguments.getString(TITLE); String url = ""; switch (which) { case 0: // Video suffix = arguments.getString(FILE_SUFFIX_VIDEO); url = arguments.getString(VIDEO_URL); break; case 1: suffix = arguments.getString(FILE_SUFFIX_AUDIO); url = arguments.getString(AUDIO_URL); break; default: Log.d(TAG, "lolz"); } DownloadManager dm = (DownloadManager) context.getSystemService(Context.DOWNLOAD_SERVICE); DownloadManager.Request request = new DownloadManager.Request(Uri.parse(url)); request.setDestinationUri( Uri.fromFile(new File(defaultPreferences.getString("download_path_preference", "/storage/emulated/0/NewPipe") + "/" + title + suffix))); try { dm.enqueue(request); } catch (Exception e) { e.printStackTrace(); } } }); return builder.create(); } }