ViewPager与FragmentPagerAdapter实现Tab

Fragment作为内容区域

界面可以左右拖动

top.xml

<?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="45dp"
android:background="@drawable/title_bar"
android:gravity="center"
android:orientation="vertical">

<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:text="WeChat"
android:textSize="20sp"
android:textStyle="bold"
android:textColor="#ffffffff"/>

</LinearLayout>

bottom.xml

<?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="65dp"
android:background="@drawable/bottom_bar"
android:orientation="horizontal">

<LinearLayout
android:id="@+id/id_tab_wechat"
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1"
android:orientation="vertical"
android:gravity="center">

<ImageButton
android:id="@+id/id_tab_wechat_image"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:clickable="false"
android:background="#00000000"
android:src="@drawable/tab_weixin_pressed" />

<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textColor="#ffffff"
android:text="WeChat" />

</LinearLayout>

<LinearLayout
android:id="@+id/id_tab_friend"
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1"
android:orientation="vertical"
android:gravity="center">

<ImageButton
android:id="@+id/id_tab_friend_image"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:clickable="false"
android:background="#00000000"
android:src="@drawable/tab_find_frd_normal" />

<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textColor="#ffffff"
android:text="Friend" />

</LinearLayout>

<LinearLayout
android:id="@+id/id_tab_address"
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1"
android:orientation="vertical"
android:gravity="center">

<ImageButton
android:id="@+id/id_tab_address_image"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:clickable="false"
android:background="#00000000"
android:src="@drawable/tab_address_normal" />

<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textColor="#ffffff"
android:text="Address" />

</LinearLayout>

<LinearLayout
android:id="@+id/id_tab_settings"
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1"
android:orientation="vertical"
android:gravity="center">

<ImageButton
android:id="@+id/id_tab_settings_image"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:clickable="false"
android:background="#00000000"
android:src="@drawable/tab_settings_normal" />

<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textColor="#ffffff"
android:text="Settings" />

</LinearLayout>

</LinearLayout>

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"
android:orientation="vertical">

<include layout="@layout/top" />

<android.support.v4.view.ViewPager
android:id="@+id/id_viewpager"
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1">
</android.support.v4.view.ViewPager>

<include layout="@layout/bottom" />

</LinearLayout>

WeChatFragment
FriendFragment

AddressFragment

SettingsFragment

public class WeChatFragment extends Fragment {

@Nullable
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
return inflater.inflate(R.layout.tab01, container, false);
}
}

MainActivity

public class MainActivity extends FragmentActivity implements View.OnClickListener {

private ViewPager mViewPager;

private FragmentPagerAdapter mAdapter;

private List<Fragment> mFragments;

private LinearLayout mTabWeChat;
private LinearLayout mTabFriend;
private LinearLayout mTabAddress;
private LinearLayout mTabSettings;

private ImageButton mImgWeChat;
private ImageButton mImgFriend;
private ImageButton mImgAddress;
private ImageButton mImgSettings;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_NO_TITLE);
setContentView(R.layout.activity_main);

initView();

initEvents();

setSelect(1);

}

private void initEvents() {

mTabWeChat.setOnClickListener(this);
mTabFriend.setOnClickListener(this);
mTabAddress.setOnClickListener(this);
mTabSettings.setOnClickListener(this);

}

private void initView() {

mViewPager = (ViewPager) findViewById(R.id.id_viewpager);

mTabWeChat = (LinearLayout) findViewById(R.id.id_tab_wechat);
mTabFriend = (LinearLayout) findViewById(R.id.id_tab_friend);
mTabAddress = (LinearLayout) findViewById(R.id.id_tab_address);
mTabSettings = (LinearLayout) findViewById(R.id.id_tab_settings);

mImgWeChat = (ImageButton) findViewById(R.id.id_tab_wechat_image);
mImgFriend = (ImageButton) findViewById(R.id.id_tab_friend_image);
mImgAddress = (ImageButton) findViewById(R.id.id_tab_address_image);
mImgSettings = (ImageButton) findViewById(R.id.id_tab_settings_image);

mFragments = new ArrayList<Fragment>();
Fragment mTab01 = new WeChatFragment();
Fragment mTab02 = new FriendFragment();
Fragment mTab03 = new AddressFragment();
Fragment mTab04 = new SettingsFragment();
mFragments.add(mTab01);
mFragments.add(mTab02);
mFragments.add(mTab03);
mFragments.add(mTab04);

mAdapter = new FragmentPagerAdapter(getSupportFragmentManager()) {
@Override
public Fragment getItem(int position) {
return mFragments.get(position);
}

@Override
public int getCount() {
return mFragments.size();
}
};

mViewPager.setAdapter(mAdapter);

mViewPager.addOnPageChangeListener(new ViewPager.OnPageChangeListener() {
@Override
public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {

}

@Override
public void onPageSelected(int position) {
int currentItem = mViewPager.getCurrentItem();
setTab(currentItem);
}

@Override
public void onPageScrollStateChanged(int state) {

}
});

}

@Override
public void onClick(View v) {

// resetImgs();

switch (v.getId()) {
case R.id.id_tab_wechat:
setSelect(0);
break;
case R.id.id_tab_friend:
setSelect(1);
break;
case R.id.id_tab_address:
setSelect(2);
break;
case R.id.id_tab_settings:
setSelect(3);
break;
}
}

private void setSelect(int i) {

setTab(i);

mViewPager.setCurrentItem(i);

}

private void setTab(int i ) {

resetImgs();

//设置图片为亮色
//切换内容区域
switch (i) {
case 0:
mImgWeChat.setImageResource(R.drawable.tab_weixin_pressed);
break;
case 1:
mImgFriend.setImageResource(R.drawable.tab_find_frd_pressed);
break;
case 2:
mImgAddress.setImageResource(R.drawable.tab_address_pressed);
break;
case 3:
mImgSettings.setImageResource(R.drawable.tab_settings_pressed);
break;
}

}

/**
* 切换图片至暗色
*/
private void resetImgs() {
mImgWeChat.setImageResource(R.drawable.tab_weixin_normal);
mImgFriend.setImageResource(R.drawable.tab_find_frd_normal);
mImgAddress.setImageResource(R.drawable.tab_address_normal);
mImgSettings.setImageResource(R.drawable.tab_settings_normal);
}

}
https://github.com/LiuchangDuan/demo/tree/master/fragmentpageradapterdemo