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高仿微信5.2.1主界面及消息提醒功能

来源:程序员人生   发布时间:2015-03-28 08:39:38 阅读次数:3174次

项目演示效果以下:

这里写图片描述

1、项目布局以下
这里写图片描述

2、项目代码

package com.example.weichat5_2_1; import android.os.Bundle; import android.support.v4.app.Fragment; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; public class ChatMainTabFragment extends Fragment { @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { // 加载相应的布局layout return inflater.inflate(R.layout.tab01, container, false); } }
package com.example.weichat5_2_1; import android.os.Bundle; import android.support.v4.app.Fragment; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; public class ContactMainTabFragment extends Fragment { @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { // 加载相应的布局layout return inflater.inflate(R.layout.tab03, container, false); } }
package com.example.weichat5_2_1; import android.os.Bundle; import android.support.v4.app.Fragment; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; public class FriendMainTabFragment extends Fragment { @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { // 加载相应的布局layout return inflater.inflate(R.layout.tab02, container, false); } }
package com.example.weichat5_2_1; import java.util.ArrayList; import java.util.List; import android.graphics.Color; import android.os.Bundle; import android.support.v4.app.Fragment; import android.support.v4.app.FragmentActivity; import android.support.v4.app.FragmentPagerAdapter; import android.support.v4.view.ViewPager; import android.support.v4.view.ViewPager.OnPageChangeListener; import android.util.DisplayMetrics; import android.util.Log; import android.view.Display; import android.view.ViewGroup.LayoutParams; import android.view.Window; import android.widget.ImageView; import android.widget.LinearLayout; import android.widget.TextView; import com.jauker.widget.BadgeView; public class MainActivity extends FragmentActivity { private ViewPager mViewPager; private FragmentPagerAdapter mAdapter; // ViewPager中使用Fragment的适配器 private List<Fragment> mDatas; // 在ViewPager中寄存的3个Fragment // 导航栏的聊天、朋友、通讯录 private TextView mChatTextView; private TextView mFriendTextView; private TextView mContactTextView; private LinearLayout mChatLinearLayout; private BadgeView mBadgeView; private ImageView mTabline; private int mScreen1_3;// 屏幕宽度的3分之1 private int mCurrentPageIndex; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); requestWindowFeature(Window.FEATURE_NO_TITLE); setContentView(R.layout.activity_main); initTabLine(); initView(); } private void initTabLine() { mTabline = (ImageView) findViewById(R.id.id_iv_tabline); // 导航栏底部的唆使条 // 取得手机屏幕的宽度 Display display = getWindow().getWindowManager().getDefaultDisplay(); DisplayMetrics outMetrics = new DisplayMetrics(); // outMetrics携带屏幕的宽度、高度等 display.getMetrics(outMetrics); mScreen1_3 = outMetrics.widthPixels / 3; // 取得唆使条的布局属性 LayoutParams lp = mTabline.getLayoutParams(); lp.width = mScreen1_3; mTabline.setLayoutParams(lp); } /** * 初始化方法,实现1系列findViewById * * mDatas中数值的添加 */ private void initView() { mViewPager = (ViewPager) findViewById(R.id.id_viewpager); mChatTextView = (TextView) findViewById(R.id.id_tv_chat); mFriendTextView = (TextView) findViewById(R.id.id_tv_friend); mContactTextView = (TextView) findViewById(R.id.id_tv_contact); mChatLinearLayout = (LinearLayout) findViewById(R.id.id_ll_chat); mDatas = new ArrayList<Fragment>(); ChatMainTabFragment tab01 = new ChatMainTabFragment(); FriendMainTabFragment tab02 = new FriendMainTabFragment(); ContactMainTabFragment tab03 = new ContactMainTabFragment(); // 将Fragment加入寄存Fragment的list mDatas.add(tab01); mDatas.add(tab02); mDatas.add(tab03); /* * 适配器的使用 */ mAdapter = new FragmentPagerAdapter(getSupportFragmentManager()) { @Override public int getCount() { return mDatas.size(); } @Override public Fragment getItem(int position) { return mDatas.get(position); } }; // 为ViewPager设置适配器 mViewPager.setAdapter(mAdapter); // 为ViewPager设置页面改变事件 mViewPager.setOnPageChangeListener(new OnPageChangeListener() { /** * 当页面切换的时候改变顶部的字体色彩 */ @Override public void onPageSelected(int position) { // 当从第2个页面进入第1个页面的时候清除第1个页面的字体等 resetTextView(); switch (position) { case 0:// 进入第1个页面 // 为聊天界面设置浮动的红色字体 // 《!--这里使用了github上的开源框架BadgeView--》 if (mBadgeView != null) { // 如果已有了则清除 mChatLinearLayout.removeView(mBadgeView); } mBadgeView = new BadgeView(MainActivity.this); mBadgeView.setBadgeCount(7); // 设置数字 mChatLinearLayout.addView(mBadgeView);// 把mBadgeView加入到聊天的框中 // 设置字体为绿色 mChatTextView.setTextColor(Color.parseColor("#008000")); break; case 1:// 进入第2个页面 mFriendTextView.setTextColor(Color.parseColor("#008000")); break; case 2:// 进入第3个页面 mContactTextView.setTextColor(Color.parseColor("#008000")); break; } mCurrentPageIndex = position; } /** * 当页面改变的时候,让导航栏底部的绿色唆使条随着滑动 */ @Override public void onPageScrolled(int position, float positionOffset, int positionOffsetPx) { // 打印日志,判断 position, positionOffset, positionOffsetPx的变化特点 Log.e("TAG", position + " , " + positionOffset + " , " + positionOffsetPx); LinearLayout.LayoutParams lp = (android.widget.LinearLayout.LayoutParams) mTabline .getLayoutParams(); if (mCurrentPageIndex == 0 && position == 0)// 0->1:第0页到第1页 { lp.leftMargin = (int) (positionOffset * mScreen1_3 + mCurrentPageIndex * mScreen1_3); } else if (mCurrentPageIndex == 1 && position == 0)// 1->0:第1页到第0页 { lp.leftMargin = (int) (mCurrentPageIndex * mScreen1_3 + (positionOffset - 1) * mScreen1_3); } else if (mCurrentPageIndex == 1 && position == 1) // 1->2:第1页到第2页 { lp.leftMargin = (int) (mCurrentPageIndex * mScreen1_3 + positionOffset * mScreen1_3); } else if (mCurrentPageIndex == 2 && position == 1) // 2->1:第2页到第1页 { lp.leftMargin = (int) (mCurrentPageIndex * mScreen1_3 + (positionOffset - 1) * mScreen1_3); } mTabline.setLayoutParams(lp); } @Override public void onPageScrollStateChanged(int arg0) { } }); } /** * 初始化导航栏中的字体色彩为黑色 */ protected void resetTextView() { mChatTextView.setTextColor(Color.BLACK); mFriendTextView.setTextColor(Color.BLACK); mContactTextView.setTextColor(Color.BLACK); } }

3、布局文件

activity_main.xml

<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/top1" /> <include layout="@layout/top2" /> <android.support.v4.view.ViewPager android:id="@+id/id_viewpager" android:layout_width="match_parent" android:layout_height="0dp" android:layout_weight="1" /> </LinearLayout>

tab01.xml

<?xml version="1.0" encoding="utf⑻"?> <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:text="This is first Tab" android:textSize="22sp" android:textStyle="bold" /> </LinearLayout>

tab02.xml

<?xml version="1.0" encoding="utf⑻"?> <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:text="This is second Tab" android:textSize="22sp" android:textStyle="bold" /> </LinearLayout>

tab03.xml

<?xml version="1.0" encoding="utf⑻"?> <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:text="This is third Tab" android:textSize="22sp" android:textStyle="bold" /> </LinearLayout>

top1.xml

<?xml version="1.0" encoding="utf⑻"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="50dp" android:background="@drawable/top1_bg" android:paddingLeft="12dp" android:paddingRight="12dp" > <LinearLayout android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_centerVertical="true" android:gravity="center" android:orientation="horizontal" > <ImageView android:layout_width="30dp" android:layout_height="30dp" android:src="@drawable/actionbar_icon" /> <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_marginLeft="12dp" android:text="微信" android:textColor="#d3d3d3" android:textSize="18sp" /> </LinearLayout> <LinearLayout android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentRight="true" android:layout_centerVertical="true" android:orientation="horizontal" > <ImageView android:layout_width="30dp" android:layout_height="30dp" android:src="@drawable/actionbar_search_icon" /> <ImageView android:layout_width="30dp" android:layout_height="30dp" android:src="@drawable/actionbar_add_icon" /> <ImageView android:layout_width="30dp" android:layout_height="30dp" android:src="@drawable/actionbar_more_icon" /> </LinearLayout> </RelativeLayout>

top2.xml

<?xml version="1.0" encoding="utf⑻"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="40dp" android:background="#eee" android:orientation="vertical" > <LinearLayout android:layout_width="fill_parent" android:layout_height="37dp" android:orientation="horizontal" > <LinearLayout android:id="@+id/id_ll_chat" android:layout_width="3dp" android:orientation="horizontal" android:layout_height="fill_parent" android:layout_weight="1" android:gravity="center" > <TextView android:id="@+id/id_tv_chat" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="聊天" android:textColor="#008000" /> </LinearLayout> <LinearLayout android:layout_width="3dp" android:layout_height="fill_parent" android:layout_weight="1" android:gravity="center" > <TextView android:id="@+id/id_tv_friend" android:layout_width="wrap_content" android:layout_height="wrap_content" android:textColor="#000000" android:text="发现" /> </LinearLayout> <LinearLayout android:layout_width="3dp" android:layout_height="fill_parent" android:layout_weight="1" android:gravity="center" > <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:textColor="#000000" android:id="@+id/id_tv_contact" android:text="通讯录" /> </LinearLayout> </LinearLayout> <ImageView android:id="@+id/id_iv_tabline" android:layout_width="100dp" android:layout_height="3dp" android:background="@drawable/tabline" /> </LinearLayout>

AndroidManifest.xml

<?xml version="1.0" encoding="utf⑻"?> <manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.example.weichat5_2_1" android:versionCode="1" android:versionName="1.0" > <uses-sdk android:minSdkVersion="8" android:targetSdkVersion="18" /> <application android:allowBackup="true" android:icon="@drawable/ic_launcher" android:label="@string/app_name" android:theme="@style/AppTheme" > <activity android:name="com.example.weichat5_2_1.MainActivity" android:label="@string/app_name" > <intent-filter> <action android:name="android.intent.action.MAIN" /> <category android:name="android.intent.category.LAUNCHER" /> </intent-filter> </activity> </application> </manifest>

4、技术难点解释
(1)在使用消息提示功能的时候,我们使用了github上的开源框架,下载地址为:https://github.com/stefanjauker/BadgeView

(2)我们只需引入其中的jar便可
这里写图片描述

5、源码地址
http://download.csdn.net/detail/u010870518/8476951

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