Android如何實現(xiàn)淘寶底部圖標導航欄

小編給大家分享一下Android如何實現(xiàn)淘寶底部圖標導航欄，希望大家閱讀完這篇文章之后都有所收獲，下面讓我們一起去探討吧！

先看一下效果圖：

下面就來具體看一看如何實現(xiàn)的，還是按照步驟來吧：

繪制主界面

activity_layout.xml代碼如下：

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
  xmlns:app="http://schemas.android.com/apk/res-auto"
  xmlns:tools="http://schemas.android.com/tools"
  android:layout_width="match_parent"
  android:layout_height="match_parent"
  android:fitsSystemWindows="true"
  android:orientation="vertical"
  tools:context=".MainActivity">
 
  <FrameLayout
    android:id="@+id/fragment_container"
    android:layout_marginBottom="50dp"
    android:layout_width="match_parent"
    android:layout_height="match_parent">
 
  </FrameLayout>
 
  <LinearLayout
    android:layout_width="match_parent"
    android:layout_height="50dp"
    android:layout_alignParentBottom="true"
    android:background="@color/noCheckedColor">
 
    <RelativeLayout
      android:gravity="center"
      android:layout_width="wrap_content"
      android:layout_height="match_parent">
    <ImageView
      android:layout_marginTop="5dp"
      android:id="@+id/title_image"
      android:layout_marginLeft="18dp"
      android:layout_width="40dp"
      android:layout_height="40dp"
      android:background="@drawable/taobao" />
 
      <LinearLayout
        android:gravity="center"
        android:orientation="vertical"
        android:id="@+id/first_page_layout"
        android:layout_width="60dp"
        android:layout_height="wrap_content">
      <ImageView
        android:id="@+id/first_page_icon"
        android:layout_width="30dp"
        android:layout_height="30dp"
        android:background="@drawable/firstpage" />
 
      <TextView
        android:textColor="#000000"
        android:id="@+id/first_page_text"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:gravity="center"
        android:text="首頁" />
      </LinearLayout>
 
    </RelativeLayout>
 
      <LinearLayout
        android:layout_marginLeft="26dp"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="horizontal"
        android:weightSum="4">
 
        <LinearLayout
          android:id="@+id/micro_tao_layout"
          android:layout_width="0dp"
          android:layout_height="match_parent"
          android:layout_weight="1"
          android:gravity="center"
          android:orientation="vertical">
 
          <ImageView
            android:id="@+id/microtao_icon"
            android:layout_width="30dp"
            android:layout_height="30dp"
            android:background="@drawable/microtao" />
 
          <TextView
            android:textColor="#000000"
            android:id="@+id/microtao_text"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:gravity="center"
            android:text="微淘" />
        </LinearLayout>
 
        <LinearLayout
          android:id="@+id/message_layout"
          android:layout_width="0dp"
          android:layout_height="match_parent"
          android:layout_weight="1"
          android:gravity="center"
          android:orientation="vertical">
 
          <ImageView
            android:id="@+id/message_icon"
            android:layout_width="30dp"
            android:layout_height="30dp"
            android:background="@drawable/message" />
 
          <TextView
            android:textColor="#000000"
            android:id="@+id/message_text"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:gravity="center"
            android:text="消息" />
        </LinearLayout>
 
 
        <LinearLayout
          android:id="@+id/buycar_layout"
          android:layout_width="0dp"
          android:layout_height="match_parent"
          android:layout_weight="1"
          android:gravity="center"
          android:orientation="vertical">
 
          <ImageView
            android:id="@+id/buycar_icon"
            android:layout_width="30dp"
            android:layout_height="30dp"
            android:background="@drawable/buycar" />
 
          <TextView
            android:textColor="#000000"
            android:id="@+id/buycar_text"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:gravity="center"
            android:text="購物車" />
        </LinearLayout>
 
        <LinearLayout
          android:id="@+id/myfile_layout"
          android:layout_width="0dp"
          android:layout_height="match_parent"
          android:layout_weight="1"
          android:gravity="center"
          android:orientation="vertical">
 
          <ImageView
            android:id="@+id/myfile_icon"
            android:layout_width="30dp"
            android:layout_height="30dp"
            android:background="@drawable/myfile" />
 
          <TextView
            android:textColor="#000000"
            android:id="@+id/myfile_text"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:gravity="center"
            android:text="我的淘寶" />
        </LinearLayout>
      </LinearLayout>
    </LinearLayout>
</RelativeLayout>

界面的邏輯控制Activity:

MainActivity.java代碼：

package com.hfut.enmulatetaobaonavbar;
 
import android.graphics.Color;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentTransaction;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TextView;
 
import com.hfut.enmulatetaobaonavbar.fragment.BuycarFragment;
import com.hfut.enmulatetaobaonavbar.fragment.FirstPageFragment;
import com.hfut.enmulatetaobaonavbar.fragment.MessageFragment;
import com.hfut.enmulatetaobaonavbar.fragment.MicroTaoFragment;
import com.hfut.enmulatetaobaonavbar.fragment.MyfileFragment;
 
/**
 * @author why
 * @date 2018-10-3 11:12:39
 */
public class MainActivity extends AppCompatActivity implements View.OnClickListener {
 
  LinearLayout microTaoLay;
  LinearLayout messageLay;
  LinearLayout buycarLay;
  LinearLayout myfileLay;
  LinearLayout firstPageLay;
 
  ImageView microTaoIcon;
  ImageView messageIcon;
  ImageView buycarIcon;
  ImageView myfileIcon;
  ImageView firstPageIcon;
  ImageView titleImage;
 
  TextView microTaoText;
  TextView messageText;
  TextView buycarText;
  TextView myfileText;
 
 
  FragmentManager manager;
  FragmentTransaction transaction;
  Fragment firFragment, microFragment, messageFragment, buycarFragment, myfileFragment;
 
  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
 
    manager = getSupportFragmentManager();
    transaction = manager.beginTransaction();
    firFragment = new FirstPageFragment();
    transaction.add(R.id.fragment_container, firFragment);
    transaction.commit();
    initUI();
  }
 
  private void initUI() {
    microTaoLay = findViewById(R.id.micro_tao_layout);
    messageLay = findViewById(R.id.message_layout);
    buycarLay = findViewById(R.id.buycar_layout);
    myfileLay = findViewById(R.id.myfile_layout);
    firstPageLay = findViewById(R.id.first_page_layout);
    firstPageLay.setVisibility(View.INVISIBLE);
 
    microTaoIcon = findViewById(R.id.microtao_icon);
    messageIcon = findViewById(R.id.message_icon);
    buycarIcon = findViewById(R.id.buycar_icon);
    myfileIcon = findViewById(R.id.myfile_icon);
    firstPageIcon = findViewById(R.id.first_page_icon);
    titleImage = findViewById(R.id.title_image);
 
    microTaoText = findViewById(R.id.microtao_text);
    messageText = findViewById(R.id.message_text);
    buycarText = findViewById(R.id.buycar_text);
    myfileText = findViewById(R.id.myfile_text);
 
    microTaoLay.setOnClickListener(this);
    messageLay.setOnClickListener(this);
    buycarLay.setOnClickListener(this);
    myfileLay.setOnClickListener(this);
    firstPageLay.setOnClickListener(this);
 
  }
 
  @Override
  public void onClick(View v) {
    transaction = manager.beginTransaction();
    hideFragment(transaction);//隱藏之前的Fragment
    switch (v.getId()) {
      case R.id.micro_tao_layout:
        microFragment = new MicroTaoFragment();
        transaction.add(R.id.fragment_container, microFragment);
        transaction.commit();
        microTaoIcon.setImageDrawable(getResources().getDrawable(R.drawable.microtao_choosen));
        microTaoText.setTextColor(Color.RED);
 
        //顯示首頁布局，隱藏標題淘寶圖片
        if (firstPageLay.getVisibility() != View.VISIBLE) {
          firstPageLay.setVisibility(View.VISIBLE);
          titleImage.setVisibility(View.INVISIBLE);
        }
 
        break;
      case R.id.message_layout:
        messageFragment = new MessageFragment();
        transaction.add(R.id.fragment_container, messageFragment);
        transaction.commit();
        messageIcon.setImageDrawable(getResources().getDrawable(R.drawable.message_choosen));
        messageText.setTextColor(Color.RED);
 
        //顯示首頁布局，隱藏標題淘寶圖片
        if (firstPageLay.getVisibility() != View.VISIBLE) {
          firstPageLay.setVisibility(View.VISIBLE);
          titleImage.setVisibility(View.INVISIBLE);
        }
        break;
      case R.id.buycar_layout:
        buycarFragment = new BuycarFragment();
        transaction.add(R.id.fragment_container, buycarFragment);
        transaction.commit();
        buycarIcon.setImageDrawable(getResources().getDrawable(R.drawable.buycar_choosen));
        buycarText.setTextColor(Color.RED);
 
        //顯示首頁布局，隱藏標題淘寶圖片
        if (firstPageLay.getVisibility() != View.VISIBLE) {
          firstPageLay.setVisibility(View.VISIBLE);
          titleImage.setVisibility(View.INVISIBLE);
        }
        break;
      case R.id.myfile_layout:
        myfileFragment = new MyfileFragment();
        transaction.add(R.id.fragment_container, myfileFragment);
        transaction.commit();
        myfileIcon.setImageDrawable(getResources().getDrawable(R.drawable.myfile_choosen));
        myfileText.setTextColor(Color.RED);
 
        //顯示首頁布局，隱藏標題淘寶圖片
        if (firstPageLay.getVisibility() != View.VISIBLE) {
          firstPageLay.setVisibility(View.VISIBLE);
          titleImage.setVisibility(View.INVISIBLE);
        }
        break;
 
      case R.id.first_page_layout:
        firFragment = new FirstPageFragment();
        transaction.add(R.id.fragment_container, firFragment);
        transaction.commit();
        firstPageLay.setVisibility(View.INVISIBLE);
        titleImage.setVisibility(View.VISIBLE);
 
      default:
        break;
    }
  }
 
  private void hideFragment(FragmentTransaction transaction) {
    if (firFragment != null) {
      transaction.remove(firFragment);
 
    }
    if (microFragment != null) {
      transaction.remove(microFragment);
      microTaoIcon.setImageDrawable(getResources().getDrawable(R.drawable.microtao));
      microTaoText.setTextColor(Color.BLACK);
 
    }
    if (messageFragment != null) {
      transaction.remove(messageFragment);
      messageIcon.setImageDrawable(getResources().getDrawable(R.drawable.message));
      messageText.setTextColor(Color.BLACK);
    }
    if (buycarFragment != null) {
      transaction.remove(buycarFragment);
      buycarIcon.setImageDrawable(getResources().getDrawable(R.drawable.buycar));
      buycarText.setTextColor(Color.BLACK);
    }
    if (myfileFragment != null) {
      transaction.remove(myfileFragment);
      myfileIcon.setImageDrawable(getResources().getDrawable(R.drawable.myfile));
      myfileText.setTextColor(Color.BLACK);
    }
  }
}

Fragment對應(yīng)的布局代碼（這里為了簡化，所有Fragment使用的是同一個很簡單的布局）：
fragment_layout.xml代碼：

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
  android:gravity="center"
  android:layout_width="match_parent"
  android:layout_height="match_parent">
 
  <TextView
    android:gravity="center"
    android:id="@+id/tip_message"
    android:textSize="30sp"
    android:text="首頁"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content" />
 
</LinearLayout>

自定義Fragment代碼（這里我就給出一個，其他的完全一樣，只是修改了Fragment布局中的文本內(nèi)容）：
FirstPageFragment.java代碼：

package com.hfut.enmulatetaobaonavbar.fragment;
 
import android.os.Bundle;
import android.support.annotation.Nullable;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;
 
import com.hfut.enmulatetaobaonavbar.R;
 
/**
 * author:why
 * created on: 2018/10/3 12:11
 * description:
 */
public class FirstPageFragment extends Fragment {
 
  TextView message;
  @Nullable
  @Override
  public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, Bundle savedInstanceState) {
    View view = inflater.inflate(R.layout.fragment_layout, container, false);
    message=view.findViewById(R.id.tip_message);
    message.setText("這是首頁");
    return view;
  }
}

上面就是幾個主要的組成部分了，其他的素材就不介紹了，還有就是很多代碼可以優(yōu)化的地方也沒有做在太多考慮，下面就來說一說幾個需要注意的點：

• Fragment，F(xiàn)ragmentManager，F(xiàn)ragmentTransaction的配合使用

• 淘寶圖標與首頁菜單項的切換

• Fragment的包不要使用錯了，不是android.app.Fragment

• 填充FramLayout的時候，注意FragmentTransaction里面的內(nèi)容的添加與刪除

• 實現(xiàn)的本質(zhì)其實就是點擊事件與FramLayout配合Fragment實現(xiàn)的
  

看完了這篇文章，相信你對“Android如何實現(xiàn)淘寶底部圖標導航欄”有了一定的了解，如果想了解更多相關(guān)知識，歡迎關(guān)注億速云行業(yè)資訊頻道，感謝各位的閱讀！