Android实现一个简易版本的购物车小案例

[{"title":"（ 59 个子文件 77KB ） Android实现一个简易版本的购物车小案例","children":[{"title":"ShoppingCart","children":[{"title":"app","children":[{"title":"src","children":[{"title":"main","children":[{"title":"res","children":[{"title":"mipmap-xxxhdpi","children":[{"title":"ic_launcher.webp <span style='color:#111;'> 3.75KB </span>","children":null,"spread":false},{"title":"ic_launcher_round.webp <span style='color:#111;'> 7.60KB </span>","children":null,"spread":false}],"spread":true},{"title":"drawable","children":[{"title":"tab_goods_icon_selected.png <span style='color:#111;'> 581B </span>","children":null,"spread":false},{"title":"tab_icon_shop_selector.xml <span style='color:#111;'> 304B </span>","children":null,"spread":false},{"title":"login_avatar.png <span style='color:#111;'> 1.40KB </span>","children":null,"spread":false},{"title":"tab_goods_icon.png <span style='color:#111;'> 553B </span>","children":null,"spread":false},{"title":"login_btn_shape.xml <span style='color:#111;'> 306B </span>","children":null,"spread":false},{"title":"login_edittext_shape.xml <span style='color:#111;'> 228B </span>","children":null,"spread":false},{"title":"phone_big.png <span style='color:#111;'> 2.48KB </span>","children":null,"spread":false},{"title":"login_password.png <span style='color:#111;'> 488B </span>","children":null,"spread":false},{"title":"tab_icon_cart_selector.xml <span style='color:#111;'> 306B </span>","children":null,"spread":false},{"title":"edittext_shape.xml <span style='color:#111;'> 175B </span>","children":null,"spread":false},{"title":"tab_shop_icon_selected.png <span style='color:#111;'> 723B </span>","children":null,"spread":false},{"title":"shopping.png <span style='color:#111;'> 1.42KB </span>","children":null,"spread":false},{"title":"tab_shop_icon.png <span style='color:#111;'> 704B </span>","children":null,"spread":false},{"title":"phone.png <span style='color:#111;'> 524B </span>","children":null,"spread":false},{"title":"login_phone.png <span style='color:#111;'> 341B </span>","children":null,"spread":false},{"title":"ic_launcher_background.xml <span style='color:#111;'> 5.47KB </span>","children":null,"spread":false}],"spread":false},{"title":"mipmap-hdpi","children":[{"title":"ic_launcher.webp <span style='color:#111;'> 1.37KB </span>","children":null,"spread":false},{"title":"ic_launcher_round.webp <span style='color:#111;'> 2.83KB </span>","children":null,"spread":false}],"spread":true},{"title":"drawable-v24","children":[{"title":"ic_launcher_foreground.xml <span style='color:#111;'> 1.66KB </span>","children":null,"spread":false}],"spread":true},{"title":"values","children":[{"title":"colors.xml <span style='color:#111;'> 590B </span>","children":null,"spread":false},{"title":"themes.xml <span style='color:#111;'> 841B </span>","children":null,"spread":false},{"title":"strings.xml <span style='color:#111;'> 777B </span>","children":null,"spread":false},{"title":"styles.xml <span style='color:#111;'> 1.62KB </span>","children":null,"spread":false}],"spread":true},{"title":"values-night","children":[{"title":"themes.xml <span style='color:#111;'> 834B </span>","children":null,"spread":false}],"spread":true},{"title":"mipmap-xxhdpi","children":[{"title":"ic_launcher.webp <span style='color:#111;'> 2.82KB </span>","children":null,"spread":false},{"title":"ic_launcher_round.webp <span style='color:#111;'> 5.78KB </span>","children":null,"spread":false}],"spread":true},{"title":"mipmap-mdpi","children":[{"title":"ic_launcher.webp <span style='color:#111;'> 982B </span>","children":null,"spread":false},{"title":"shopping.png <span style='color:#111;'> 1.42KB </span>","children":null,"spread":false},{"title":"ic_launcher_round.webp <span style='color:#111;'> 1.73KB </span>","children":null,"spread":false}],"spread":true},{"title":"mipmap-xhdpi","children":[{"title":"ic_launcher.webp <span style='color:#111;'> 1.86KB </span>","children":null,"spread":false},{"title":"ic_launcher_round.webp <span style='color:#111;'> 3.83KB </span>","children":null,"spread":false}],"spread":true},{"title":"mipmap-anydpi-v26","children":[{"title":"ic_launcher_round.xml <span style='color:#111;'> 272B </span>","children":null,"spread":false},{"title":"ic_launcher.xml <span style='color:#111;'> 272B </span>","children":null,"spread":false}],"spread":true},{"title":"layout","children":[{"title":"activity_cart.xml <span style='color:#111;'> 434B </span>","children":null,"spread":false},{"title":"activity_goods_item.xml <span style='color:#111;'> 1.24KB </span>","children":null,"spread":false},{"title":"activity_login.xml <span style='color:#111;'> 1.94KB </span>","children":null,"spread":false},{"title":"activity_register.xml <span style='color:#111;'> 2.02KB </span>","children":null,"spread":false},{"title":"activity_main.xml <span style='color:#111;'> 1.68KB </span>","children":null,"spread":false},{"title":"activity_cart_item.xml <span style='color:#111;'> 2.48KB </span>","children":null,"spread":false},{"title":"activity_goods.xml <span style='color:#111;'> 547B </span>","children":null,"spread":false}],"spread":false},{"title":"xml","children":[{"title":"data_extraction_rules.xml <span style='color:#111;'> 551B </span>","children":null,"spread":false},{"title":"backup_rules.xml <span style='color:#111;'> 478B </span>","children":null,"spread":false}],"spread":false}],"spread":false},{"title":"java","children":[{"title":"com","children":[{"title":"android","children":[{"title":"shoppingcart","children":[{"title":"constants","children":[{"title":"BizConstants.java <span style='color:#111;'> 276B </span>","children":null,"spread":false}],"spread":true},{"title":"db","children":[{"title":"InitDataBase.java <span style='color:#111;'> 2.60KB </span>","children":null,"spread":false}],"spread":true},{"title":"fragment","children":[{"title":"GoodFragment.java <span style='color:#111;'> 2.56KB </span>","children":null,"spread":false},{"title":"CartFragment.java <span style='color:#111;'> 2.89KB </span>","children":null,"spread":false}],"spread":true},{"title":"pojo","children":[{"title":"CartVo.java <span style='color:#111;'> 945B </span>","children":null,"spread":false},{"title":"GoodsVo.java <span style='color:#111;'> 846B </span>","children":null,"spread":false}],"spread":true},{"title":"MainActivity.java <span style='color:#111;'> 3.98KB </span>","children":null,"spread":false},{"title":"adapter","children":[{"title":"CartListViewAdapter.java <span style='color:#111;'> 3.80KB </span>","children":null,"spread":false},{"title":"GoodsGridViewAdapter.java <span style='color:#111;'> 4.20KB </span>","children":null,"spread":false},{"title":"PagerFragmentAdapter.java <span style='color:#111;'> 1003B </span>","children":null,"spread":false}],"spread":true},{"title":"RegisterActivity.java <span style='color:#111;'> 3.23KB </span>","children":null,"spread":false},{"title":"LoginActivity.java <span style='color:#111;'> 3.29KB </span>","children":null,"spread":false},{"title":"utils","children":[{"title":"StrUtil.java <span style='color:#111;'> 495B </span>","children":null,"spread":false}],"spread":false}],"spread":true}],"spread":true}],"spread":true}],"spread":true},{"title":"AndroidManifest.xml <span style='color:#111;'> 1.07KB </span>","children":null,"spread":false}],"spread":true}],"spread":true},{"title":"build.gradle <span style='color:#111;'> 1.12KB </span>","children":null,"spread":false}],"spread":true}],"spread":true}],"spread":true}]