Android仿照淘宝，京东，当当购物平台
16lz
2022-04-09
1.开发工具
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AndroidStudio3.0.1
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jdk1.8
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Android4.1以上
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语言：JAVA
2.页面部分效果图如下:
3.Sqlite数据库存储
4.首页，登录，注册等部分页面
/** * 获取界面上的UI控件 */ private void init() { tv_back = (TextView) findViewById(R.id.tv_back); tv_main_title = (TextView) findViewById(R.id.tv_main_title); tv_main_title.setText("Fangtaobap"); rl_title_bar = (RelativeLayout) findViewById(R.id.title_bar); rl_title_bar.setBackgroundColor(Color.parseColor("#FF8000")); tv_back.setVisibility(View.GONE); initBodyLayout(); } /** * 获取底部导航栏上的控件 */ private void initBottomBar() { mBottomLayout = (LinearLayout) findViewById(R.id.main_bottom_bar); mHomeBtn = findViewById(R.id.bottom_bar_home_btn); mClassifyBtn = findViewById(R.id.bottom_bar_classify_btn); mShopcarBtn = findViewById(R.id.bottom_bar_shopcar_btn); mMyInfoBtn = findViewById(R.id.bottom_bar_myinfo_btn); tv_home = (TextView) findViewById(R.id.bottom_bar_text_home); tv_classify = (TextView) findViewById(R.id.bottom_bar_text_classify); tv_shopcar = (TextView) findViewById(R.id.bottom_bar_text_shopcar); tv_myInfo = (TextView) findViewById(R.id.bottom_bar_text_myinfo); iv_home = (ImageView) findViewById(R.id.bottom_bar_image_home); iv_classify = (ImageView) findViewById(R.id.bottom_bar_image_classify); iv_shopcar = (ImageView) findViewById(R.id.bottom_bar_image_shopcar); iv_myInfo = (ImageView) findViewById(R.id.bottom_bar_image_myinfo); } private void initBodyLayout() { mBodyLayout = (FrameLayout) findViewById(R.id.main_body); } /** * 控件的点击事件 */ @Override public void onClick(View v) { switch (v.getId()) { //首页的点击事件 case R.id.bottom_bar_home_btn: clearBottomImageState(); selectDisplayView(0); break; //分类的点击事件 case R.id.bottom_bar_classify_btn: clearBottomImageState(); selectDisplayView(1); break; //购物车的点击事件 case R.id.bottom_bar_shopcar_btn: clearBottomImageState(); selectDisplayView(2); break; //我的点击事件 case R.id.bottom_bar_myinfo_btn: clearBottomImageState(); selectDisplayView(3); break; default: break; } } /** * 设置底部四个按钮的点击监听事件 */ private void setListener() { for (int i = 0; i < mBottomLayout.getChildCount(); i++) { mBottomLayout.getChildAt(i).setOnClickListener(this); } } /** * 清除底部按钮的选中状态 */ private void clearBottomImageState() { tv_home.setTextColor(Color.parseColor("#666666")); tv_classify.setTextColor(Color.parseColor("#666666")); tv_shopcar.setTextColor(Color.parseColor("#666666")); tv_myInfo.setTextColor(Color.parseColor("#666666")); iv_home.setImageResource(R.mipmap.main_homepage_icon); iv_classify.setImageResource(R.mipmap.main_classify); iv_shopcar.setImageResource(R.mipmap.main_shopcar_icon); iv_myInfo.setImageResource(R.mipmap.main_my_icon); for (int i = 0; i < mBottomLayout.getChildCount(); i++) { mBottomLayout.getChildAt(i).setSelected(false); } } /** * 设置底部按钮选中状态 */ public void setSelectedStatus(int index) { switch (index) { case 0: mHomeBtn.setSelected(true); iv_home.setImageResource(R.mipmap.main_homepage_icon_selected); tv_home.setTextColor(Color.parseColor("#0097F7")); rl_title_bar.setVisibility(View.VISIBLE); tv_main_title.setText("首页"); break; case 1: mClassifyBtn.setSelected(true); iv_classify.setImageResource(R.mipmap.main_classify_selected); tv_classify.setTextColor(Color.parseColor("#0097F7")); rl_title_bar.setVisibility(View.VISIBLE); tv_main_title.setText("分类"); break; case 2: mShopcarBtn.setSelected(true); iv_shopcar.setImageResource(R.mipmap.main_shopcar_icon_selected); tv_shopcar.setTextColor(Color.parseColor("#0097F7")); rl_title_bar.setVisibility(View.VISIBLE); tv_main_title.setText("购物车"); break; case 3: mMyInfoBtn.setSelected(true); iv_myInfo.setImageResource(R.mipmap.main_my_icon_selected); tv_myInfo.setTextColor(Color.parseColor("#0097F7")); rl_title_bar.setVisibility(View.GONE); } } /** * 移除不需要的视图 */ private void removeAllView() { for (int i = 0; i < mBodyLayout.getChildCount(); i++) { mBodyLayout.getChildAt(i).setVisibility(View.GONE); } } /** * 设置界面view的初始化状态 */ private void setInitStatus() { clearBottomImageState(); setSelectedStatus(0); createView(0); } /** * 显示对应的页面 */ private void selectDisplayView(int index) { removeAllView(); createView(index); setSelectedStatus(index); } /** * 选择视图 */ private void createView(int viewIndex) { switch (viewIndex) { case 0: //首页 if (homeView == null) { homeView = new HomeView(this); mBodyLayout.addView(homeView.getView()); } else { homeView.getView(); } homeView.showView(); break; case 1: //分类 if (typeView == null) { typeView = new TypeView(this); mBodyLayout.addView(typeView.getView()); } else { typeView.getView(); } typeView.showView(); break; case 2: //购物车 if (shopingView == null) { shopingView = new ShopingView(this); mBodyLayout.addView(shopingView.getView()); } else { shopingView.getView(); } shopingView.showView(); break; case 3: //我的 if (mMyInfoView == null) { mMyInfoView = new MyInfoView(this); mBodyLayout.addView(mMyInfoView.getView()); } else { mMyInfoView.getView(); } mMyInfoView.showView(); break; } } @Override protected void onActivityResult(int requestCode, int resultCode, Intent data) { super.onActivityResult(requestCode, resultCode, data); if (data != null) { //从设置界面或登录界面传递过来的登录状态 boolean isLogin = data.getBooleanExtra("isLogin", false); if (isLogin) {//登录成功时显示首页 clearBottomImageState(); selectDisplayView(0); } if (mMyInfoView != null) {//登录成功或退出登录时根据isLogin设置我的界面 mMyInfoView.setLoginParams(isLogin); } } } protected long exitTime;//记录第一次点击时的时间 @Override public boolean onKeyDown(int keyCode, KeyEvent event) { if (keyCode == KeyEvent.KEYCODE_BACK && event.getAction() == KeyEvent.ACTION_DOWN) { if ((System.currentTimeMillis() - exitTime) > 2000) { Toast.makeText(MainActivity.this, "再按一次退出Fangtaobao", Toast.LENGTH_SHORT).show(); exitTime = System.currentTimeMillis(); } else { MainActivity.this.finish(); if (readLoginStatus()) { //如果退出此应用时是登录状态，则需要清除登录状态，同时需清除登录时的用户名 clearLoginStatus(); } System.exit(0); } return true; } return super.onKeyDown(keyCode, event); } /** * 获取SharedPreferences中的登录状态 */ private boolean readLoginStatus() { SharedPreferences sp = getSharedPreferences("loginInfo", Context.MODE_PRIVATE); boolean isLogin = sp.getBoolean("isLogin", false); return isLogin; } /** * 清除SharedPreferences中的登录状态 */ private void clearLoginStatus() { SharedPreferences sp = getSharedPreferences("loginInfo", Context.MODE_PRIVATE); SharedPreferences.Editor editor = sp.edit();//获取编辑器 editor.putBoolean("isLogin", false);//清除登录状态 editor.putString("loginUserName", "");//清除登录时的用户名 editor.commit();//提交修改 }5.整体代码分析
- 代码采用结构activity+view+sqlite
- Eventbus的使用
- 购物车功能+商品展示
- 自定义dialog
这是一片课设，需要的朋友可以去学习，有意见可以提出了，链接如下
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