底部导航栏的两种实现

[{"title":"（ 1493 个子文件 29.68MB ） 底部导航栏的两种实现","children":[{"title":"gradlew <span style='color:#111;'> 4.85KB </span>","children":null,"spread":false},{"title":"settings.gradle <span style='color:#111;'> 16B </span>","children":null,"spread":false},{"title":"cache.xml <span style='color:#111;'> 6.99KB </span>","children":null,"spread":false},{"title":"mockable-android-25.jar <span style='color:#111;'> 32.30MB </span>","children":null,"spread":false},{"title":"gradle-wrapper.properties <span style='color:#111;'> 233B </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}]