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Android仿京東分類模塊左側(cè)分類條目效果

更新時間：2018年02月11日 10:21:13 作者：siyadong1

這篇文章主要為大家詳細(xì)介紹了Android仿京東分類模塊左側(cè)分類條目效果，具有一定的參考價值，感興趣的小伙伴們可以參考一下

本文實(shí)例為大家分享了Android仿京東左側(cè)分類條目效果的具體代碼，供大家參考，具體內(nèi)容如下

import android.app.Activity; 
import android.os.Bundle; 
import android.view.View; 
import android.widget.LinearLayout; 
import android.widget.ScrollView; 
import android.widget.TextView; 
 
import com.frame.R; 
 
import java.util.ArrayList; 
import java.util.List; 
 
/** 
 * Created by syd on 2016/10/9. 
 */ 
public class TestActivity extends Activity { 
 
 ScrollView sv_test; 
 LinearLayout ll_test_contain; 
 List<String> goodsList = new ArrayList<String>(); 
 List<TextView> textViewList = new ArrayList<>(); 
 List<View> viewList = new ArrayList<>(); 
 
 @Override 
 protected void onCreate(Bundle savedInstanceState) { 
  super.onCreate(savedInstanceState); 
  setContentView(R.layout.test_activity_test); 
  initViews(); 
  initData(); 
 } 
 
 /** 
  * 初始化控件 
  */ 
 private void initViews() { 
  sv_test = (ScrollView) findViewById(R.id.sv_test); 
  ll_test_contain = (LinearLayout) findViewById(R.id.ll_test_contain); 
 } 
 
 protected void initData() { 
  goodsList.add("常用分類"); 
  goodsList.add("潮流女裝"); 
  goodsList.add("品牌男裝"); 
  goodsList.add("內(nèi)衣配飾"); 
  goodsList.add("家用電器"); 
  goodsList.add("手機(jī)數(shù)碼"); 
  goodsList.add("電腦辦公"); 
  goodsList.add("個護(hù)化妝"); 
  goodsList.add("母嬰頻道"); 
  goodsList.add("食物生鮮"); 
  goodsList.add("酒水飲料"); 
  goodsList.add("家居家紡"); 
  goodsList.add("酒水飲料"); 
  goodsList.add("整車車品"); 
  goodsList.add("運(yùn)動戶外"); 
  goodsList.add("圖書"); 
  goodsList.add("鐘表"); 
  goodsList.add("居家生活"); 
  goodsList.add("珠寶飾品"); 
  goodsList.add("音像制品"); 
  goodsList.add("家具建材"); 
  goodsList.add("計(jì)生情趣"); 
  goodsList.add("營養(yǎng)保健"); 
  goodsList.add("奢侈禮品"); 
  goodsList.add("生活服務(wù)"); 
  goodsList.add("旅游出行"); 
 
  //動態(tài)生成每一個條目 
  for (int i = 0; i <goodsList.size() ; i++) { 
   View view = getLayoutInflater().inflate(R.layout.test_item_scrollview,null); 
   view.setOnClickListener(textOnClickListener); 
   TextView tv_item_scroll = (TextView) view.findViewById(R.id.tv_item_scroll); 
   view.setId(i); 
   tv_item_scroll.setText(goodsList.get(i)); 
   ll_test_contain.addView(view); 
   viewList.add(view); 
   textViewList.add(tv_item_scroll); 
  } 
 
  changeTextColor(0); 
 
 } 
 
 private View.OnClickListener textOnClickListener = new View.OnClickListener() { 
  @Override 
  public void onClick(View v) { 
 
   changeTextColor(v.getId()); 
   changeTextLocation(v.getId()); 
  } 
 }; 
 
 
  //改變點(diǎn)擊條目的位置，居中 
 private void changeTextLocation(int textPosition) { 
 
  int x = (viewList.get(textPosition).getTop() - sv_test.getHeight()/2 + (viewList.get(textPosition).getHeight() / 2)); 
  sv_test.smoothScrollTo(0, x); 
 
 } 
 
 //改變點(diǎn)擊條目的顏色 
 private void changeTextColor(int textPosition) { 
 
  for (int i = 0; i <textViewList.size() ; i++) { 
   textViewList.get(i).setTextColor(0xFF000000); 
   textViewList.get(i).setBackgroundColor(0x00000000); 
  } 
  textViewList.get(textPosition).setTextColor(0xFFFF0000); 
  textViewList.get(textPosition).setBackgroundColor(0xFFFFFFFF); 
 
 } 
 
}

代碼2：

<?xml version="1.0" encoding="utf-8"?> 
<LinearLayout 
 xmlns:android="http://schemas.android.com/apk/res/android" 
 android:orientation="vertical" 
 android:layout_width="match_parent" 
 android:layout_height="match_parent"> 
 
<com.frame.activity.TestScrollView 
 android:id="@+id/sv_test" 
 android:layout_width="80dp" 
 android:layout_height="wrap_content"> 
 
 <LinearLayout 
  android:id="@+id/ll_test_contain" 
  android:orientation="vertical" 
  android:layout_width="match_parent" 
  android:layout_height="wrap_content"> 
 </LinearLayout> 
 
</com.frame.activity.TestScrollView> 
</LinearLayout>

代碼3：

<?xml version="1.0" encoding="utf-8"?> 
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" 
 android:orientation="vertical" android:layout_width="match_parent" 
 android:layout_height="match_parent">  
  
 <TextView 
  android:gravity="center" 
  android:paddingBottom="16dp" 
  android:paddingTop="16dp" 
  android:id="@+id/tv_item_scroll" 
  android:layout_width="match_parent" 
  android:layout_height="wrap_content" /> 
 <ImageView 
  android:background="#cccccc" 
  android:layout_width="match_parent" 
  android:layout_height="1dp" /> 
  
</LinearLayout>

效果圖：