Android实现京东App分类页面效果

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"  android:layout_width="match_parent"  android:layout_height="match_parent"  android:orientation="vertical" >  <LinearLayout    android:layout_width="match_parent"    android:layout_height="52dp"    android:background="@color/activity_graybg"    android:baselineAligned="false"    android:focusable="true"    android:focusableInTouchMode="true"    android:orientation="horizontal"    android:paddingBottom="8dp"    android:paddingLeft="10dp"    android:paddingRight="15dp"    android:paddingTop="8dp" >    <RelativeLayout      android:id="@+id/search_layout"      android:layout_width="match_parent"      android:layout_height="wrap_content"      android:layout_weight="1"      >      <EditText        android:id="@+id/search_edit"        android:layout_width="match_parent"        android:layout_height="48dp"        android:layout_alignParentLeft="true"        android:layout_centerVertical="true"        android:layout_marginLeft="3dp"        android:layout_marginRight="5dp"        android:layout_toLeftOf="@+id/search_line"        android:background="@drawable/transparent_edittext_bg"        android:hint="@string/search_hint"        android:paddingLeft="@dimen/space_8"        android:maxLength="50"        android:singleLine="true"        android:textColor="@color/black_text_color"        android:textColorHint="@color/gray_text_color"        android:textSize="@dimen/text_mid_size" />      <View        android:id="@+id/search_line"        android:layout_width="@dimen/yipx"        android:layout_height="match_parent"        android:layout_toLeftOf="@+id/search_btn"        android:background="@color/activity_graybg" />      <ImageView        android:id="@+id/search_btn"        android:layout_width="wrap_content"        android:layout_height="match_parent"        android:layout_alignParentRight="true"        android:layout_centerVertical="true"        android:contentDescription="@null"        android:src="@drawable/search_btn_bg" />    </RelativeLayout>    <LinearLayout      android:layout_width="match_parent"      android:layout_height="wrap_content"      android:layout_weight="5"      android:gravity="center_horizontal" >      <ImageView        android:id="@+id/type_icon"        android:layout_width="match_parent"        android:layout_height="match_parent"        android:contentDescription="@null"        android:padding="4dp"        android:layout_margin="@dimen/space_4"        android:src="@drawable/barcode_normal"        android:visibility="visible" />    </LinearLayout>  </LinearLayout>  <LinearLayout    android:layout_width="match_parent"    android:layout_height="match_parent"    android:orientation="horizontal" >    <ScrollView      android:id="@+id/tools_scrlllview"      android:layout_width="match_parent"      android:layout_height="match_parent"      android:layout_weight="3"      android:fadingEdge="none"      android:scrollbars="none" >      <LinearLayout        android:id="@+id/tools"        android:layout_width="match_parent"        android:layout_height="match_parent"        android:gravity="center_horizontal"        android:orientation="vertical" />    </ScrollView>    <android.support.v4.view.ViewPager      android:id="@+id/goods_pager"      android:layout_width="match_parent"      android:layout_height="match_parent"      android:layout_weight="1" />  </LinearLayout></LinearLayout>

package up72.com.testtype;import android.os.Bundle;import android.support.v4.app.Fragment;import android.support.v4.app.FragmentManager;import android.support.v4.app.FragmentPagerAdapter;import android.support.v4.view.ViewPager;import android.support.v7.app.AppCompatActivity;import android.view.LayoutInflater;import android.view.View;import android.widget.LinearLayout;import android.widget.ScrollView;import android.widget.TextView;public class MainActivity extends AppCompatActivity {  private String toolsList[];  private TextView toolsTextViews[];  private View views[];  private LayoutInflater inflater;  private ScrollView scrollView;  private int scrllViewWidth = 0, scrollViewMiddle = 0;  private ViewPager shop_pager;  private int currentItem = 0;  private ShopAdapter shopAdapter;  @Override  protected void onCreate(Bundle savedInstanceState) {    super.onCreate(savedInstanceState);    setContentView(R.layout.activity_main);    scrollView = (ScrollView) findViewById(R.id.tools_scrlllview);    shopAdapter = new ShopAdapter(getSupportFragmentManager());    inflater = LayoutInflater.from(this);    showToolsView();    initPager();  }  /**   * 动态生成显示items中的textview   */  private void showToolsView() {    toolsList = new String[]{"常用分类", "潮流女装", "品牌男装", "内衣配饰", "家用电器", "手机数码", "电脑办公", "个护化妆", "母婴频道", "食物生鲜", "酒水饮料", "家居家纺", "整车车品", "鞋靴箱包", "运动户外", "图书", "玩具乐器", "钟表", "居家生活", "珠宝饰品", "音像制品", "家具建材", "计生情趣", "营养保健", "奢侈礼品", "生活服务", "旅游出行"};    LinearLayout toolsLayout = (LinearLayout) findViewById(R.id.tools);    toolsTextViews = new TextView[toolsList.length];    views = new View[toolsList.length];    for (int i = 0; i < toolsList.length; i++) {      View view = inflater.inflate(R.layout.item_b_top_nav_layout, null);      view.setId(i);      view.setOnClickListener(toolsItemListener);      TextView textView = (TextView) view.findViewById(R.id.text);      textView.setText(toolsList[i]);      toolsLayout.addView(view);      toolsTextViews[i] = textView;      views[i] = view;    }    changeTextColor(0);  }  private View.OnClickListener toolsItemListener = new View.OnClickListener() {    @Override    public void onClick(View v) {      shop_pager.setCurrentItem(v.getId());    }  };  /**   * initPager<br/>   * 初始化ViewPager控件相关内容   */  private void initPager() {    shop_pager = (ViewPager) findViewById(R.id.goods_pager);    shop_pager.setAdapter(shopAdapter);    shop_pager.setOnPageChangeListener(onPageChangeListener);  }  /**   * OnPageChangeListener<br/>   * 监听ViewPager选项卡变化事的事件   */  private ViewPager.OnPageChangeListener onPageChangeListener = new ViewPager.OnPageChangeListener() {    @Override    public void onPageSelected(int arg0) {      if (shop_pager.getCurrentItem() != arg0) shop_pager.setCurrentItem(arg0);      if (currentItem != arg0) {        changeTextColor(arg0);        changeTextLocation(arg0);      }      currentItem = arg0;    }    @Override    public void onPageScrolled(int arg0, float arg1, int arg2) {    }    @Override    public void onPageScrollStateChanged(int arg0) {    }  };  /**   * ViewPager 加载选项卡   *   * @author Administrator   */  private class ShopAdapter extends FragmentPagerAdapter {    public ShopAdapter(FragmentManager fm) {      super(fm);    }    @Override    public Fragment getItem(int arg0) {      Fragment fragment = new Fragment_pro_type();      Bundle bundle = new Bundle();      String str = toolsList[arg0];      bundle.putString("typename", str);      fragment.setArguments(bundle);      return fragment;    }    @Override    public int getCount() {      return toolsList.length;    }  }  /**   * 改变textView的颜色   *   * @param id   */  private void changeTextColor(int id) {    for (int i = 0; i < toolsTextViews.length; i++) {      if (i != id) {        toolsTextViews[i].setBackgroundResource(android.R.color.transparent);        toolsTextViews[i].setTextColor(0xff000000);      }    }    toolsTextViews[id].setBackgroundResource(android.R.color.white);    toolsTextViews[id].setTextColor(0xffff5d5e);  }  /**   * 改变栏目位置   *   * @param clickPosition   */  private void changeTextLocation(int clickPosition) {    int x = (views[clickPosition].getTop() - getScrollViewMiddle() + (getViewheight(views[clickPosition]) / 2));    scrollView.smoothScrollTo(0, x);  }  /**   * 返回scrollview的中间位置   *   * @return   */  private int getScrollViewMiddle() {    if (scrollViewMiddle == 0)      scrollViewMiddle = getScrollViewheight() / 2;    return scrollViewMiddle;  }  /**   * 返回ScrollView的宽度   *   * @return   */  private int getScrollViewheight() {    if (scrllViewWidth == 0)      scrllViewWidth = scrollView.getBottom() - scrollView.getTop();    return scrllViewWidth;  }  /**   * 返回view的宽度   *   * @param view   * @return   */  private int getViewheight(View view) {    return view.getBottom() - view.getTop();  }}

package up72.com.testtype;import android.os.Bundle;import android.support.v4.app.Fragment;import android.view.LayoutInflater;import android.view.View;import android.view.ViewGroup;import android.widget.AdapterView;import android.widget.AdapterView.OnItemClickListener;import android.widget.GridView;import android.widget.ImageView;import android.widget.ProgressBar;import android.widget.TextView;import java.util.ArrayList;public class Fragment_pro_type extends Fragment {  private ArrayList<Type> list;  private ImageView hint_img;  private GridView listView;  private Pro_type_adapter adapter;  private Type type;  private ProgressBar progressBar;  private String typename;  @Override  public View onCreateView(LayoutInflater inflater, ViewGroup container,      Bundle savedInstanceState) {    View view = inflater.inflate(R.layout.fragment_pro_type, null);    progressBar=(ProgressBar) view.findViewById(R.id.progressBar);    hint_img=(ImageView) view.findViewById(R.id.hint_img);    listView = (GridView) view.findViewById(R.id.listView);    typename=getArguments().getString("typename");    ((TextView)view.findViewById(R.id.toptype)).setText(typename);    GetTypeList();    adapter=new Pro_type_adapter(getActivity(), list);    listView.setAdapter(adapter);    listView.setOnItemClickListener(new OnItemClickListener() {      @Override      public void onItemClick(AdapterView<?> arg0, View arg1, int arg2,long arg3) {      }    });    return view;  }  private void GetTypeList() {    list=new ArrayList<Type>();    for(int i=1;i<35;i++){      type=new Type(i, typename+i, "");      list.add(type);    }      progressBar.setVisibility(View.GONE);  }}

<?xml version="1.0" encoding="utf-8"?><RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"  android:layout_width="fill_parent"  android:layout_height="fill_parent"  android:background="@color/activity_bg" >  <TextView     android:id="@+id/toptype"    android:layout_width="wrap_content"    android:layout_height="wrap_content"    android:layout_alignParentTop="true"    android:textSize="12sp"    android:layout_margin="15dp"    />   <GridView    android:id="@+id/listView"    android:layout_width="fill_parent"    android:layout_height="wrap_content"    android:layout_centerInParent="true"    android:numColumns="3"    android:horizontalSpacing="10dp"    android:verticalSpacing="10dp"    android:layout_below="@id/toptype"    android:scrollbars="none"     />  <ImageView    android:id="@+id/hint_img"    android:layout_width="wrap_content"    android:layout_height="wrap_content"    android:layout_centerHorizontal="true"    android:layout_marginTop="60dp"    android:contentDescription="@null"    android:scaleType="centerInside"    android:visibility="gone" />  <ProgressBar    android:id="@+id/progressBar"    style="@android:style/Widget.ProgressBar.Small"    android:layout_width="wrap_content"    android:layout_height="wrap_content"    android:layout_centerInParent="true"    android:visibility="visible" /></RelativeLayout>

package up72.com.testtype;import android.content.Context;import android.view.LayoutInflater;import android.view.View;import android.view.ViewGroup;import android.widget.BaseAdapter;import android.widget.ImageView;import android.widget.TextView;import java.util.ArrayList;public class Pro_type_adapter extends BaseAdapter {  private LayoutInflater mInflater;  private ArrayList<Type> list;  private Context context;  private Type type;  public Pro_type_adapter(Context context, ArrayList<Type> list) {    mInflater = LayoutInflater.from(context);    this.list = list;    this.context = context;  }  @Override  public int getCount() {    if (list != null && list.size() > 0)      return list.size();    else      return 0;  }  @Override  public Object getItem(int position) {    return list.get(position);  }  @Override  public long getItemId(int position) {    return 0;  }  @Override  public View getView(final int position, View convertView, ViewGroup parent) {    final MyView view;    if (convertView == null) {      view = new MyView();      convertView = mInflater.inflate(R.layout.list_pro_type_item, null);      view.icon = (ImageView) convertView.findViewById(R.id.typeicon);      view.name = (TextView) convertView.findViewById(R.id.typename);      convertView.setTag(view);    } else {      view = (MyView) convertView.getTag();    }    if (list != null && list.size() > 0) {      type = list.get(position);      view.name.setText(type.getTypename());      if (type.getTypename().contains("电脑办公")) {        view.icon.setBackgroundResource(R.drawable.diannao);      } else if (type.getTypename().contains("个护化妆")) {        view.icon.setBackgroundResource(R.drawable.huazhuang);      } else if (type.getTypename().contains("鞋靴箱包")) {        view.icon.setBackgroundResource(R.drawable.nvxie);      } else if (type.getTypename().contains("潮流女装")) {        view.icon.setBackgroundResource(R.drawable.nvzhuang);      } else if (type.getTypename().contains("图书")) {        view.icon.setBackgroundResource(R.drawable.shuji);      } else if (type.getTypename().contains("玩具乐器")) {        view.icon.setBackgroundResource(R.drawable.wanju);      } else if (type.getTypename().contains("音像制品")) {        view.icon.setBackgroundResource(R.drawable.yingshi);      } else if (type.getTypename().contains("常用分类")) {        view.icon.setBackgroundResource(R.drawable.yiyong);      } else if (type.getTypename().contains("品牌男装")) {        view.icon.setBackgroundResource(R.drawable.nanzhuang);      } else if (type.getTypename().contains("内衣配饰")) {        view.icon.setBackgroundResource(R.drawable.neiyi);      } else if (type.getTypename().contains("家用电器")) {        view.icon.setBackgroundResource(R.drawable.dianqi);      } else if (type.getTypename().contains("手机数码")) {        view.icon.setBackgroundResource(R.drawable.shouji);      } else {        view.icon.setBackgroundResource(R.drawable.nvzhuang);      }    }    return convertView;  }  private class MyView {    private ImageView icon;    private TextView name;  }}

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"  android:layout_width="fill_parent"  android:layout_height="fill_parent"  android:orientation="vertical"   >  <TextView     android:id="@+id/text"    android:layout_width="fill_parent"    android:layout_height="wrap_content"    android:paddingBottom="15dp"    android:paddingTop="15dp"    android:textColor="@android:color/black"    android:textSize="@dimen/text_mid_size"     android:gravity="center"    />  <ImageView    android:id="@+id/line"    android:layout_width="fill_parent"    android:layout_height="1dp"    android:background="@color/gray_line_color"    android:contentDescription="@null"    android:visibility="visible" /></LinearLayout>