Android實戰簡易教程-第二十六槍（基於ViewPager實現微信頁面轉場效果），androidviewpager

Android實戰簡易教程-第二十六槍（基於ViewPager實現頁面轉場效果），androidviewpager

1.頭部布局檔案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="40dp"    android:background="@drawable/title_bar"    android:gravity="center"    android:orientation="vertical" >    <TextView        android:id="@+id/title"        android:layout_width="wrap_content"        android:layout_height="30dp"        android:layout_gravity="center"        android:text="WeChat"        android:textColor="#ffffffff"        android:textSize="25dp" /></LinearLayout>

2.底部布局檔案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="50dp"    android:background="@drawable/bottom_bar"    android:orientation="horizontal" >    <LinearLayout        android:id="@+id/ll_chat"        android:layout_width="0dp"        android:layout_height="fill_parent"        android:layout_weight="1"        android:gravity="center"        android:orientation="vertical" >        <ImageButton            android:id="@+id/ibtn_chat"            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:background="#0000"            android:clickable="false"            android:src="@drawable/tab_weixin_pressed" />        <TextView            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:text="聊天"            android:textColor="#ffffffff" />    </LinearLayout>    <LinearLayout        android:id="@+id/ll_pengyouquan"        android:layout_width="0dp"        android:layout_height="fill_parent"        android:layout_weight="1"        android:gravity="center"        android:orientation="vertical" >        <ImageButton            android:id="@+id/ibtn_pengyouquan"            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:background="#0000"            android:clickable="false"            android:src="@drawable/tab_find_frd_normal" />        <TextView            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:text="朋友圈"            android:textColor="#ffffffff" />    </LinearLayout>    <LinearLayout        android:id="@+id/ll_tongxunlu"        android:layout_width="0dp"        android:layout_height="fill_parent"        android:layout_weight="1"        android:gravity="center"        android:orientation="vertical" >        <ImageButton            android:id="@+id/ibtn_tongxunlu"            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:background="#0000"            android:clickable="false"            android:src="@drawable/tab_address_normal" />        <TextView            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:text="好友"            android:textColor="#ffffffff" />    </LinearLayout>    <LinearLayout        android:id="@+id/ll_set"        android:layout_width="0dp"        android:layout_height="fill_parent"        android:layout_weight="1"        android:gravity="center"        android:orientation="vertical" >        <ImageButton            android:id="@+id/ibtn_set"            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:background="#0000"            android:clickable="false"            android:src="@drawable/tab_settings_normal" />        <TextView            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:text="設定"            android:textColor="#ffffffff" />    </LinearLayout></LinearLayout>

3.主布局檔案：

<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="match_parent"    android:orientation="vertical" >    <include layout="@layout/top" />    <android.support.v4.view.ViewPager        android: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>

4.四個ViewPager的內容頁布局

tab01.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="match_parent"    android:gravity="center"    android:orientation="vertical" >    <TextView        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:layout_gravity="center"        android:text="聊天頁"        android:textSize="30sp" >    </TextView></LinearLayout>

tab02.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="match_parent"    android:gravity="center"    android:orientation="vertical" >    <TextView        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:layout_gravity="center"        android:text="朋友圈"        android:textSize="30sp" >    </TextView></LinearLayout>

tab03.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="match_parent"    android:gravity="center"    android:orientation="vertical" >    <TextView        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:layout_gravity="center"        android:text="連絡人頁面"        android:textSize="30sp" >    </TextView></LinearLayout>

tab04.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="match_parent"    android:gravity="center"    android:orientation="vertical" >    <TextView        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:layout_gravity="center"        android:text="設定頁面"        android:textSize="30sp" >    </TextView></LinearLayout>

5.MainActivity.java:

package com.example.tabtest;import java.util.ArrayList;import java.util.List;import android.app.Activity;import android.os.Bundle;import android.support.v4.view.PagerAdapter;import android.support.v4.view.ViewPager;import android.support.v4.view.ViewPager.OnPageChangeListener;import android.view.LayoutInflater;import android.view.View;import android.view.View.OnClickListener;import android.view.ViewGroup;import android.view.Window;import android.widget.ImageButton;import android.widget.LinearLayout;public class MainActivity extends Activity implements OnClickListener {private ViewPager mViewPager;private PagerAdapter pagerAdapter;private List<View> mViews = new ArrayList<View>();private LinearLayout mLLChat;private LinearLayout mLLPengyouquan;private LinearLayout mLLAddress;private LinearLayout mLLSet;private ImageButton mImageButtonChat;private ImageButton mImageButtonPengyouquan;private ImageButton mImageButtonAddress;private ImageButton mImageButtonSet;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);requestWindowFeature(Window.FEATURE_NO_TITLE);setContentView(R.layout.activity_main);initView();// 初始化控制項initEvent();// 點擊事件}private void initEvent() {mLLChat.setOnClickListener(this);mLLPengyouquan.setOnClickListener(this);mLLAddress.setOnClickListener(this);mLLSet.setOnClickListener(this);mViewPager.setOnPageChangeListener(new OnPageChangeListener() {//ViewPager滑動切換監聽@Overridepublic void onPageSelected(int arg0) {int currentItem=mViewPager.getCurrentItem();resetImag();switch (currentItem) {case 0:mImageButtonChat.setImageResource(R.drawable.tab_weixin_pressed);break;case 1:mImageButtonPengyouquan.setImageResource(R.drawable.tab_find_frd_pressed);break;case 2:mImageButtonAddress.setImageResource(R.drawable.tab_address_pressed);break;case 3:mImageButtonSet.setImageResource(R.drawable.tab_settings_pressed);break;default:break;}}@Overridepublic void onPageScrolled(int arg0, float arg1, int arg2) {// TODO Auto-generated method stub}@Overridepublic void onPageScrollStateChanged(int arg0) {// TODO Auto-generated method stub}});}private void initView() {/** * 初始化所有控制項 */mViewPager = (ViewPager) findViewById(R.id.viewpager);mLLChat = (LinearLayout) findViewById(R.id.ll_chat);mLLPengyouquan = (LinearLayout) findViewById(R.id.ll_pengyouquan);mLLAddress = (LinearLayout) findViewById(R.id.ll_tongxunlu);mLLSet = (LinearLayout) findViewById(R.id.ll_set);mImageButtonChat = (ImageButton) findViewById(R.id.ibtn_chat);mImageButtonPengyouquan = (ImageButton) findViewById(R.id.ibtn_pengyouquan);mImageButtonAddress = (ImageButton) findViewById(R.id.ibtn_tongxunlu);mImageButtonSet = (ImageButton) findViewById(R.id.ibtn_set);/** * 擷取mViews */LayoutInflater layoutInflater = LayoutInflater.from(this);View tab01 = layoutInflater.inflate(R.layout.tab01, null);View tab02 = layoutInflater.inflate(R.layout.tab02, null);View tab03 = layoutInflater.inflate(R.layout.tab03, null);View tab04 = layoutInflater.inflate(R.layout.tab04, null);mViews.add(tab01);mViews.add(tab02);mViews.add(tab03);mViews.add(tab04);// ViewPager適配器pagerAdapter = new PagerAdapter() {/** * 摧毀 */@Overridepublic void destroyItem(ViewGroup container, int position,Object object) {container.removeView(mViews.get(position));}/** * 初始化 */@Overridepublic Object instantiateItem(ViewGroup container, int position) {View view = mViews.get(position);container.addView(view);return view;}@Overridepublic boolean isViewFromObject(View arg0, Object arg1) {return arg0 == arg1;}@Overridepublic int getCount() {return mViews.size();}};mViewPager.setAdapter(pagerAdapter);}@Overridepublic void onClick(View v) {resetImag();switch (v.getId()) {case R.id.ll_chat:mViewPager.setCurrentItem(0);mImageButtonChat.setImageResource(R.drawable.tab_weixin_pressed);break;case R.id.ll_pengyouquan:mViewPager.setCurrentItem(1);mImageButtonPengyouquan.setImageResource(R.drawable.tab_find_frd_pressed);break;case R.id.ll_tongxunlu:mViewPager.setCurrentItem(2);mImageButtonAddress.setImageResource(R.drawable.tab_address_pressed);break;case R.id.ll_set:mViewPager.setCurrentItem(3);mImageButtonSet.setImageResource(R.drawable.tab_settings_pressed);break;default:break;}}/** * 將所有圖片設定成未選中狀態 */private void resetImag() {mImageButtonChat.setImageResource(R.drawable.tab_weixin_normal);mImageButtonPengyouquan.setImageResource(R.drawable.tab_find_frd_normal);mImageButtonAddress.setImageResource(R.drawable.tab_address_normal);mImageButtonSet.setImageResource(R.drawable.tab_settings_normal);}}

6.運行執行個體：

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