1、activity_main.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout 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="net.sytm.bscshop.activity.main.MainActivity"
android:orientation="vertical"
android:divider="@drawable/divider_line_h"
android:showDividers="middle">
<FrameLayout
android:id="@+id/real_tab_content"
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1" />
<android.support.v4.app.FragmentTabHost
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:id="@+id/tab_host">
<FrameLayout
android:id="@android:id/tabcontent"
android:layout_width="0dp"
android:layout_height="0dp"
android:layout_weight="0" />
</android.support.v4.app.FragmentTabHost>
</LinearLayout>
2、tab_view.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:gravity="center_horizontal"
android:orientation="vertical">
<ImageView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
tools:src="@drawable/tab_index"
android:id="@+id/tab_image"
android:layout_marginTop="4dp"/>
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
tools:text="首页"
android:id="@+id/tab_text"
android:layout_marginBottom="4dp"/>
</LinearLayout>
3、arrays.xml
<?xml version="1.0" encoding="utf-8"?>
<resources>
<!--底部菜单-->
<string-array name="tab_title">
<item>首页</item>
<item>活动</item>
<item>分类</item>
<item>购物车</item>
<item>我的</item>
</string-array>
</resources>
4、tab_index.xml
<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<item android:drawable="@drawable/footbg1s"
android:state_selected="true" />
<item android:drawable="@drawable/footbg1" />
</selector>
5、divider_line_h.xml
<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
android:shape="line">
<!--水平分割线用line 高度大于宽度-->
<stroke android:color="#dfdfdf" android:width="1dp" />
<size android:height="2dp" />
</shape>
6、IndexFragment.java
public class HomeFragment extends Fragment {
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
// Inflate the layout for this fragment
return inflater.inflate(R.layout.fragment_cart, container, false);
}
}
7、MainActivity.java
/**
* 主界面
*/
public class MainActivity extends BaseActivity implements TabHost.OnTabChangeListener {
private String[] tabTitles;
private FragmentTabHost tabHost;
private boolean isExit;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
initUI(); // 控件初始化控件
}
// 控件初始化控件
@Override
protected void initUI() {
/** 标题 */
tabTitles = getResources().getStringArray(R.array.tab_title);
/** 图标 */
int[] tabImages = new int[]{R.drawable.tab_index, R.drawable.tab_activity,
R.drawable.tab_class, R.drawable.tab_cart,
R.drawable.tab_member};
Class[] fragment = new Class[]{IndexFragment.class, ActivityFragment.class,
ClassFragment.class, CartFragment.class,
MemberFragment.class};
tabHost = getViewById(R.id.tab_host);
tabHost.setup(this, getSupportFragmentManager(), R.id.real_tab_content);
/*新建Tabspec选项卡并设置Tab菜单栏的内容和绑定对应的Fragment*/
for (int i = 0; i < tabTitles.length; i++) {
// 给每个Tab按钮设置标签、图标和文字
FragmentTabHost.TabSpec tab = tabHost.newTabSpec(tabTitles[i]).setIndicator(getTabView(tabTitles, tabImages, i));
// 将Tab按钮添加进Tab选项卡中，并绑定Fragment
tabHost.addTab(tab, fragment[i], null);
}
tabHost.setOnTabChangedListener(this);
//默认选中是首页
tabHost.onTabChanged(tabTitles[0]);
}
@Override
protected void bindData() {
}
/**
* 获取tabview
* @param index
* @return
*/
private View getTabView(String[] tabTitles, int[] tabImages ,int index) {
//将xml布局转换为view对象
View tabView = LayoutInflater.from(this).inflate(R.layout.tab_view, null);
//利用view对象，找到布局中的组件,并设置内容，然后返回视图
TextView tabTextView = getViewById(tabView, R.id.tab_text);
tabTextView.setText(tabTitles[index]);
ImageView tabImageView = getViewById(tabView, R.id.tab_image);
tabImageView.setImageResource(tabImages[index]);
return tabView;
}
@Override
public void onTabChanged(String tabId) {//Tab改变的时候调用
//设置Tab被选中的时候颜色改变
updateTabHost(tabId);
}
/**
* 刷新tabhost 颜色
* @param tabId
*/
private void updateTabHost(String tabId) {
for (int i = 0; i < tabTitles.length; i++) {
View tabView = tabHost.getTabWidget().getChildTabViewAt(i);
TextView textView = getViewById(tabView, R.id.tab_text);
String text = textView.getText().toString();
if (text.equals(tabId)) {
textView.setTextColor(Color.parseColor("#8a6432"));
}
else {
textView.setTextColor(Color.parseColor("#333333"));
}
}
}
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
switch (keyCode) {
case KeyEvent.KEYCODE_BACK:
if (isExit) {
finish();
}
else {
ToastUtil.showShort(this, "再按一次退出");
isExit = true;
new Handler().postDelayed(new Runnable() {
@Override
public void run() {
isExit = false;
}
}, 2000);
}
return true;
}
return super.onKeyDown(keyCode, event);
}
}
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