Android自定义view大转盘抽奖

[{"title":"（ 2537 个子文件 22.7MB ） Android自定义view大转盘抽奖","children":[{"title":"gradlew <span style='color:#111;'> 5.01KB </span>","children":null,"spread":false},{"title":"settings.gradle <span style='color:#111;'> 16B </span>","children":null,"spread":false},{"title":"Roulette.iml <span style='color:#111;'> 862B </span>","children":null,"spread":false},{"title":"mockable-android-26.jar <span style='color:#111;'> 24.38MB </span>","children":null,"spread":false},{"title":"profile-2017-09-13-09-54-10-277.rawproto <span style='color:#111;'> 5.59KB </span>","children":null,"spread":false},{"title":"......","children":null,"spread":false},{"title":"<span style='color:steelblue;'>文件过多，未全部展示</span>","children":null,"spread":false}],"spread":true}]