由item动态设置listview的高度

list.setAdapter(mSongAdapter); View listItem = mSongAdapter.getView(0, null, list); listItem.measure(0, 0); int totalHei = (listItem.getMeasuredHeight() + list.getDividerHeight()) * 3;  //listview显示3条item

list.getLayoutParams().height = totalHei;  //设置listview高度