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Added option to save a playlist as m3u file.

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This commit is contained in:
Karim Abou Zeid 2016-01-29 11:57:37 +01:00
commit 1aa6aec9cb
6 changed files with 106 additions and 3 deletions
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8
app/src/main/java/com/kabouzeid/gramophone/helper/M3UConstants.java Normal file
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@ -0,0 +1,8 @@
package com.kabouzeid.gramophone.helper;
public interface M3UConstants {
String EXTENSION = "m3u";
String HEADER = "#EXTM3U";
String ENTRY = "#EXTINF:";
String DURATION_SEPARATOR = ",";
}

42
app/src/main/java/com/kabouzeid/gramophone/helper/M3UWriter.java Normal file
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@ -0,0 +1,42 @@
package com.kabouzeid.gramophone.helper;
import android.content.Context;
import com.kabouzeid.gramophone.loader.PlaylistSongLoader;
import com.kabouzeid.gramophone.model.Playlist;
import com.kabouzeid.gramophone.model.PlaylistSong;
import com.kabouzeid.gramophone.model.Song;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.util.ArrayList;
public class M3UWriter implements M3UConstants {
public static final String TAG = M3UWriter.class.getSimpleName();
public static File write(Context context, File dir, Playlist playlist) throws IOException {
if (!dir.exists()) //noinspection ResultOfMethodCallIgnored
dir.mkdirs();
File file = new File(dir, playlist.name.concat("." + EXTENSION));
ArrayList<PlaylistSong> songs = PlaylistSongLoader.getPlaylistSongList(context, playlist.id);
if (songs.size() > 0) {
BufferedWriter bw = new BufferedWriter(new FileWriter(file));
bw.write(HEADER);
for (Song song : songs) {
bw.newLine();
bw.write(ENTRY + song.duration + DURATION_SEPARATOR + song.artistName + " - " + song.title);
bw.newLine();
bw.write(song.data);
}
bw.close();
}
return file;
}
}

37
app/src/main/java/com/kabouzeid/gramophone/helper/menu/PlaylistMenuHelper.java
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@ -1,9 +1,13 @@
package com.kabouzeid.gramophone.helper.menu;
import android.annotation.SuppressLint;
import android.app.Activity;
import android.content.Context;
import android.os.AsyncTask;
import android.support.annotation.NonNull;
import android.support.v7.app.AppCompatActivity;
import android.view.MenuItem;
import android.widget.Toast;
import com.kabouzeid.gramophone.R;
import com.kabouzeid.gramophone.dialogs.DeletePlaylistDialog;
@ -13,7 +17,9 @@ import com.kabouzeid.gramophone.loader.PlaylistSongLoader;
import com.kabouzeid.gramophone.model.Playlist;
import com.kabouzeid.gramophone.model.Song;
import com.kabouzeid.gramophone.model.smartplaylist.AbsSmartPlaylist;
import com.kabouzeid.gramophone.util.PlaylistsUtil;
import java.io.IOException;
import java.util.ArrayList;
/**
@ -22,7 +28,7 @@ import java.util.ArrayList;
public class PlaylistMenuHelper {
public static final int MENU_RES = R.menu.menu_item_playlist;
public static boolean handleMenuClick(@NonNull AppCompatActivity activity, @NonNull Playlist playlist, @NonNull MenuItem item) {
public static boolean handleMenuClick(@NonNull AppCompatActivity activity, @NonNull final Playlist playlist, @NonNull MenuItem item) {
switch (item.getItemId()) {
case R.id.action_play:
MusicPlayerRemote.openQueue(new ArrayList<>(getPlaylistSongs(activity, playlist)), 0, true);
@ -36,6 +42,35 @@ public class PlaylistMenuHelper {
case R.id.action_delete_playlist:
DeletePlaylistDialog.create(playlist).show(activity.getSupportFragmentManager(), "DELETE_PLAYLIST");
return true;
case R.id.action_save_playlist:
@SuppressLint("ShowToast") final Toast toast = Toast.makeText(activity, R.string.saving_to_file, Toast.LENGTH_SHORT);
new AsyncTask<Context, Void, String>() {
@Override
protected void onPreExecute() {
super.onPreExecute();
toast.show();
}
@Override
protected String doInBackground(Context... params) {
try {
return String.format(params[0].getString(R.string.saved_playlist_to), PlaylistsUtil.savePlaylist(params[0], playlist));
} catch (IOException e) {
e.printStackTrace();
return String.format(params[0].getString(R.string.failed_to_save_playlist), e);
}
}
@Override
protected void onPostExecute(String string) {
super.onPostExecute(string);
if (toast != null) {
toast.setText(string);
toast.show();
}
}
}.execute(activity.getApplicationContext());
return true;
}
return false;
}