Android——BottomTabBar实现底部导航栏

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示例图：

首先在build.gradle添加依赖

compile 'com.hjm:BottomTabBar:1.1.1'

activity_main.xml中定义一下该控件

<?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" tools:context="com.bawei.com.myapplication.MainActivity">    <com.hjm.bottomtabbar.BottomTabBar        android:id="@+id/bottom_tab_bar"        android:layout_width="match_parent"        android:layout_height="match_parent"        >    </com.hjm.bottomtabbar.BottomTabBar></RelativeLayout>

定义Fragment，这里列举一个

package com.bawei.com.myapplication;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;/** * Created by Wangrx on 2017/11/6. */public  class OneFragment extends Fragment{    @Nullable    @Override    public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {        return super.onCreateView(inflater, container, savedInstanceState);    }}

MainActivity.java

package com.bawei.com.myapplication;import android.graphics.Color;import android.os.Bundle;import android.support.v7.app.AppCompatActivity;import android.widget.Toast;import com.hjm.bottomtabbar.BottomTabBar;public class MainActivity extends AppCompatActivity {    private BottomTabBar mb;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        mb=(BottomTabBar)findViewById(R.id.bottom_tab_bar);        mb.init(getSupportFragmentManager())                .setImgSize(50,50)                .setFontSize(8)                .setTabPadding(4,6,10)                .setChangeColor(Color.RED,Color.DKGRAY)                .addTabItem("月光茶人",R.drawable.shouye, OneFragment.class)                .addTabItem("优惠",R.drawable.youhui, TwoFragment.class)                .addTabItem("购物车",R.drawable.gouwuche, ThreeFragment.class)                .addTabItem("我的",R.drawable.people, FourFragment.class)                .isShowDivider(true)                .setOnTabChangeListener(new BottomTabBar.OnTabChangeListener() {                    @Override                    public void onTabChange(int position, String name) {                        Toast.makeText(MainActivity.this,"TabId=" + name,Toast.LENGTH_LONG).show();                    }                });    }}

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