【发布时间】:2019-04-07 00:15:31
【问题描述】:
我有这样的歌曲 ArrayList
songs.add(new Songs("Rumour Has It","Adele", "Adele21", R.drawable.adele, 1991, R.drawable.adele21_cover));
songs.add(new Songs("Turning Tables","Adele", "Adele21", R.drawable.adele, 1991, R.drawable.adele21_cover));
songs.add(new Songs("dangerous","M Jackson", "Dangerous", R.drawable.jackson, 1992, R.drawable.dangerous_cover));
我想获取 ArrayList 行的索引,其中包含正在播放的歌曲“Turning Tables”,以便我可以播放下一首或上一首歌曲
String songName = preferenceConfig.readSongName();
for(Songs s : MainActivity.songs){
boolean resultOfComparison= songName.equals(s.getSong());
if(resultOfComparison){
//how to get the index of this row which contains this song
}
}
【问题讨论】:
标签: java android arraylist indexof