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package com.example.zyh_weixin;import java.util.ArrayList;import java.util.List;import com.jauker.widget.BadgeView;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;public class MainActivity extends FragmentActivity {    private ViewPager mViewPager;    private FragmentPagerAdapter mAdapter;    private List<Fragment> mDatas;    private TextView mChatTextView;    private TextView mFriendTextView;    private TextView mContactTextView;    private BadgeView mBadgeView;    private LinearLayout mChatLinearLayout;    private ImageView mTabline;    private int mScreen1_3;    private int mCurrentPageIndex;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        requestWindowFeature(Window.FEATURE_NO_TITLE);// 无标题栏        setContentView(R.layout.activity_main);        initTabLine();        initView();    }    private void initTabLine() {        mTabline = (ImageView) findViewById(R.id.id_iv_tabline);// 初始化提示条        Display display = getWindow().getWindowManager().getDefaultDisplay();// 获取屏幕大小        DisplayMetrics outMetrics = new DisplayMetrics();// 获得像素        display.getMetrics(outMetrics);        mScreen1_3 = outMetrics.widthPixels / 3;//把宽度像素一分为三        LayoutParams lp = mTabline.getLayoutParams();//        lp.width = mScreen1_3;//把1/3的宽度赋值给lp的宽度        mTabline.setLayoutParams(lp);//    }    private void initView() {        mViewPager = (ViewPager) findViewById(R.id.id_viewpager);        mDatas = new ArrayList<Fragment>();        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);        ChatMainTabFragment tab_111 = new ChatMainTabFragment();        FriendMainTabFragment tab_222 = new FriendMainTabFragment();        ContactMainTabFragment tab_333 = new ContactMainTabFragment();        mDatas.add(tab_111);        mDatas.add(tab_222);        mDatas.add(tab_333);        mAdapter = new FragmentPagerAdapter(getSupportFragmentManager()) {            @Override            public int getCount() {                // TODO Auto-generated method stub                return mDatas.size();            }            @Override            public Fragment getItem(int arg0) {                // TODO Auto-generated method stub                return mDatas.get(arg0);            }        };        mViewPager.setAdapter(mAdapter);        mViewPager.setOnPageChangeListener(new OnPageChangeListener() {            @Override            public void onPageSelected(int position) {                resetTextView();                switch (position) {                case 0:                    if (mBadgeView != null) {                        mChatLinearLayout.removeView(mBadgeView);                    }                    mBadgeView = new BadgeView(MainActivity.this);                    mBadgeView.setBadgeCount(7);                    mChatLinearLayout.addView(mBadgeView);                    mChatTextView.setTextColor(Color.parseColor("#008000"));                    break;                case 1:                    mFriendTextView.setTextColor(Color.parseColor("#008000"));                    break;                case 2:                    mContactTextView.setTextColor(Color.parseColor("#008000"));                    break;                }                mCurrentPageIndex = position;            }            @Override            public void onPageScrolled(int position, float positionOffset,                    int positionOffsetPx) {                // TODO Auto-generated method stub                Log.e("Tag", position + "," + positionOffset + ","                        + positionOffsetPx);                LinearLayout.LayoutParams lp = (android.widget.LinearLayout.LayoutParams) mTabline                        .getLayoutParams();                if (mCurrentPageIndex == 0 && position == 0) { // 0-1                    lp.leftMargin = (int) (positionOffset * mScreen1_3 + mCurrentPageIndex                            * mScreen1_3);                } else if (mCurrentPageIndex == 1 && position == 0) { // 1-0                    lp.leftMargin = (int) ((positionOffset - 1) * mScreen1_3 + mCurrentPageIndex                            * mScreen1_3);                } else if (mCurrentPageIndex == 1 && position == 1) { // 1-2                    lp.leftMargin = (int) (positionOffset * mScreen1_3 + mCurrentPageIndex                            * mScreen1_3);                } else if (mCurrentPageIndex == 2 && position == 1) { // 2-1                    lp.leftMargin = (int) ((positionOffset - 1) * mScreen1_3 + mCurrentPageIndex                            * mScreen1_3);                }                mTabline.setLayoutParams(lp);            }            @Override            public void onPageScrollStateChanged(int arg0) {                // TODO Auto-generated method stub            }        });    }    protected void resetTextView() {        mChatTextView.setTextColor(Color.BLACK);        mFriendTextView.setTextColor(Color.BLACK);        mContactTextView.setTextColor(Color.BLACK);    }}

<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>

<?xml version="1.0" encoding="utf-8"?><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>

<?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="#eee"    android:orientation="vertical" >    <LinearLayout        android:layout_width="fill_parent"        android:layout_height="37dp"        android:orientation="horizontal" >        <LinearLayout            android:layout_width="3dp"            android:layout_height="match_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="match_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:text="发现"                android:textColor="#000000" />        </LinearLayout>        <LinearLayout            android:layout_width="3dp"            android:layout_height="match_parent"            android:layout_weight="1"            android:gravity="center" >            <TextView                android:id="@+id/id_tv_contact"                android:layout_width="wrap_content"                android:layout_height="wrap_content"                android:text="通讯录"                android:textColor="#000000" />        </LinearLayout>    </LinearLayout>    <ImageView        android:layout_width="100dp"        android:layout_height="3dp"        android:background="@drawable/tabline" /></LinearLayout>

package com.example.zyh_weixin;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) {        // TODO Auto-generated method stub        return inflater.inflate(R.layout.tab_1, container,false);    }}

<?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: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>

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