android通讯录导航栏源码(一)

通讯录导航栏源码:

1.activity

package com.anna.contact.activity;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;

import com.anna.contact.R;
import com.anna.contact.adapter.MyFriendsAdapter;
import com.anna.contact.entity.Friend;
import com.anna.contact.view.LetterlistViewForFriend;
import com.anna.contact.view.LetterlistViewForFriend.OnTouchingLetterChangedListener;
import com.iflytek.voiceads.AdError;
import com.iflytek.voiceads.AdKeys;
import com.iflytek.voiceads.IFLYAdListener;
import com.iflytek.voiceads.IFLYAdSize;
import com.iflytek.voiceads.IFLYFullScreenAd;

import android.app.Activity;
import android.content.Context;
import android.graphics.PixelFormat;
import android.os.Bundle;
import android.os.Handler;
import android.view.LayoutInflater;
import android.view.View;
import android.view.Window;
import android.view.WindowManager;
import android.view.ViewGroup.LayoutParams;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;

public class MyFriendsActivity extends Activity {
    private IFLYFullScreenAd ad;
    
    ListView lv_friend;
    String[] strings;// 存放存在的汉语拼音首字母
    List<Friend> friends;
    //右边字母导航
    LetterlistViewForFriend letterlistViewForFriend;
    HashMap<String, Integer> alphaIndex;// 存放存在的汉语拼音首字母和与之对应的列表位置
    TextView overlay;
    Handler handler;
    OverlayThread overlayThread; // 隐藏字母提示框

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        // TODO Auto-generated method stub
        super.onCreate(savedInstanceState);
        requestWindowFeature(Window.FEATURE_NO_TITLE);
        createAd();
        setContentView(R.layout.vip_myactivity_myfriend);
        overlayThread = new OverlayThread();
        handler = new Handler();
        /* 初始化右边导航 */
        initOverlay();
        /* 初始化通讯录 */
        initData();
        lv_friend = (ListView) this.findViewById(R.id.vip_myfriend_lv_1);
        
        lv_friend.setAdapter(new MyFriendsAdapter(MyFriendsActivity.this,
                friends));
        lv_friend.setOnItemClickListener(new OnItemClickListener() {

            @Override
            public void onItemClick(AdapterView<?> arg0, View arg1, int arg2,
                    long arg3) {
                // TODO Auto-generated method stub

            }

        });
        
        letterlistViewForFriend=(LetterlistViewForFriend)this.findViewById(R.id.LetterlistViewForFriend);
        letterlistViewForFriend.setOnTouchingLetterChangedListener(new OnTouchingLetterChangedListener() {
            
            @Override
            public void onTouchingLetterChanged(String s) {
                // TODO Auto-generated method stub
                System.out.println(s);
                int position = alphaIndex.get(s);
                if (alphaIndex.get(s) != null) {
                    lv_friend.setSelection(position);
                }
                overlay.setText(s);
                overlay.setVisibility(View.VISIBLE);
                handler.removeCallbacks(overlayThread);
                // 延迟一秒后执行，让overlay为不可见
                handler.postDelayed(overlayThread, 1500);
            }
        });
   
    }
    // 初始化汉语拼音首字母弹出提示框
    private void initOverlay() {
        LayoutInflater inflater = LayoutInflater.from(this);
        overlay = (TextView) inflater.inflate(R.layout.overlay_layout, null);
        overlay.setVisibility(View.INVISIBLE);
        WindowManager.LayoutParams lp = new WindowManager.LayoutParams(
                LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT,
                WindowManager.LayoutParams.TYPE_APPLICATION,
                WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE
                        | WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE,
                PixelFormat.TRANSLUCENT);
        WindowManager windowManager = (WindowManager) this
                .getSystemService(Context.WINDOW_SERVICE);
        windowManager.addView(overlay, lp);
    }

    public class OverlayThread implements Runnable {

        @Override
        public void run() {
            // TODO Auto-generated method stub
            overlay.setVisibility(View.INVISIBLE);
        }

    }

    private void initData() {
        List<String> list_data = new ArrayList<String>();
        list_data.add("Alex");
        list_data.add("Anna");
        list_data.add("Blic");
        list_data.add("Blpha");
        list_data.add("Clex");
        list_data.add("Clic");
        list_data.add("Clpha");
        list_data.add("Clex");
        list_data.add("Dlic");
        list_data.add("Dlpha");
        list_data.add("Dace");
        list_data.add("Dlpha");
        list_data.add("Elic");
        list_data.add("Elpha");
        list_data.add("Eace");
        list_data.add("Elpha");
        list_data.add("Elea");
        list_data.add("Flpha");
        list_data.add("Flea");
        list_data.add("Glpha");
        list_data.add("Gace");
        list_data.add("Glpha");
        list_data.add("Hlea");
        list_data.add("Ilpha");
        list_data.add("Jace");
        list_data.add("Jlpha");
        list_data.add("Jenney");
        list_data.add("Kitty");
        list_data.add("Klpha");
        list_data.add("Kath");
        list_data.add("Lace");
        list_data.add("Llpha");
        list_data.add("Moon");
        list_data.add("Merry");
        list_data.add("Nice");
        list_data.add("Object");
        list_data.add("Purplegrape");
        list_data.add("Queen");
        list_data.add("Qearl");
        list_data.add("Rose");
        list_data.add("Rain");
        list_data.add("Sunny");
        list_data.add("Sweet");
        list_data.add("Tiger");
        list_data.add("Ternence");
        list_data.add("Uea");
        list_data.add("Uea");
        list_data.add("Wendy");
        list_data.add("Winnie");
        list_data.add("Vivian");
        list_data.add("Vicky");
        list_data.add("Vanessa");
        list_data.add("Yvette");
        list_data.add("Yolanda");
        list_data.add("Yvonne");
        list_data.add("Zoey");

        friends = new ArrayList<Friend>();
        alphaIndex = new HashMap<String, Integer>();

        for (int i = 0; i < list_data.size(); i++) {
            Friend friend = new Friend();
            friend.setName(list_data.get(i));
            friends.add(friend);
        }
        strings = new String[friends.size()];
        for (int i = 0; i < friends.size(); i++) {
            char letter = friends.get(i).getName().substring(0, 1).charAt(0);
            String currentLetter = (letter + "").toUpperCase();
            // 上一个汉语拼音首字母，如果不存在为""
            String lastLetter = (i - 1) > 0 ? (friends.get(i - 1).getName()
                    .substring(0, 1).charAt(0) + "").toUpperCase() : "";
            if (!lastLetter.equals(currentLetter)) {
                alphaIndex.put(currentLetter, i);
                strings[i]=currentLetter;
            }

        }

    }

    
    private void createAd() {
        ad = IFLYFullScreenAd.createFullScreenAd(this,
                "FDDE8F2023143C2E8702E80CE88B97CA");
        ad.setAdSize(IFLYAdSize.FULLSCREEN);
        ad.setParameter(AdKeys.SHOW_TIME_FULLSCREEN, "6000");
        ad.setParameter(AdKeys.DOWNLOAD_ALERT, "true");
        ad.loadAd(new IFLYAdListener() {
            
            @Override
            public void onAdReceive() {
                ad.showAd();
            }
            
            @Override
            public void onAdFailed(AdError arg0) {
                Toast.makeText(
                        getApplicationContext(),
                        arg0.getErrorCode() + "****"
                                + arg0.getErrorDescription(), 0).show();
                
            }
            
            
            @Override
            public void onAdClose() {
                
            }
            
            @Override
            public void onAdClick() {
                
            }

            @Override
            public void onAdExposure() {
                // TODO Auto-generated method stub
                
            }
        });
    }
    
    @Override
    protected void onDestroy() {
        // TODO Auto-generated method stub
        super.onDestroy();
        WindowManager windowManager = (WindowManager) this
                .getSystemService(Context.WINDOW_SERVICE);
        windowManager.removeView(overlay);
    }
    
}

2.Adapter

package com.anna.contact.adapter;

import java.util.List;

import com.anna.contact.R;
import com.anna.contact.entity.Friend;

import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.TextView;

public class MyFriendsAdapter extends BaseAdapter {
    LayoutInflater inflater;
    List<Friend> list;

    public MyFriendsAdapter(Context context, List<Friend> list) {
        inflater = LayoutInflater.from(context);
        this.list = list;
    }

    @Override
    public int getCount() {
        // TODO Auto-generated method stub
        return list.size();
    }

    @Override
    public Object getItem(int position) {
        // TODO Auto-generated method stub
        return list.get(position);
    }

    @Override
    public long getItemId(int position) {
        // TODO Auto-generated method stub
        return position;
    }

    @SuppressWarnings("null")
    @Override
    public View getView(int position, View convertView, ViewGroup parent) {
        // TODO Auto-generated method stub
        viewHolder holder;
        if (convertView == null) {
            convertView = inflater.inflate(
                    R.layout.vip_myactivity_myfriend_item, null);
            holder = new viewHolder();
            holder.vip_friend_letter = (TextView) convertView
                    .findViewById(R.id.vip_friend_letter);
            holder.vip_friend_name = (TextView) convertView
                    .findViewById(R.id.vip_friend_item_name);
            convertView.setTag(holder);
        } else {
            holder = (viewHolder) convertView.getTag();
        }

        holder.vip_friend_name.setText(list.get(position).getName());
        char letter = list.get(position).getName().substring(0, 1).charAt(0);
        String currentLetter = (letter + "").toUpperCase();
        
        String lastLetter = (position - 1) > 0 ? (list.get(position - 1)
                .getName().substring(0, 1).charAt(0) + "") : "";
        if (!lastLetter.equals(currentLetter)) {
            holder.vip_friend_letter.setText(currentLetter);
            holder.vip_friend_letter.setVisibility(View.VISIBLE);
        } else {
            holder.vip_friend_letter.setVisibility(View.GONE);

        }

        return convertView;
    }

    public class viewHolder {
        TextView vip_friend_letter;
        ImageView vip_friend_logo;
        TextView vip_friend_name;
    }

}

3.entity

package com.anna.contact.entity;

import android.widget.ImageView;

public class Friend {
    private String name;
    private String letter;
    private ImageView logo;

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public String getLetter() {
        return letter;
    }

    public void setLetter(String letter) {
        this.letter = letter;
    }

    public ImageView getLogo() {
        return logo;
    }

    public void setLogo(ImageView logo) {
        this.logo = logo;
    }

}

4.view

package com.anna.contact.view;

import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.Typeface;
import android.util.AttributeSet;
import android.view.MotionEvent;
import android.view.View;

public class LetterlistViewForFriend extends View {

    public LetterlistViewForFriend(Context context, AttributeSet attrs)
    {
        super(context, attrs);
        // TODO Auto-generated constructor stub
    }
    public LetterlistViewForFriend(Context context)
    {
        super(context);
    }

    public LetterlistViewForFriend(Context context, AttributeSet attrs, int defStyle)
    {
        super(context, attrs, defStyle);
    }

    OnTouchingLetterChangedListener onTouchingLetterChangedListener;
    String[] b =
    {"A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z" };
    int choose = -1;
    Paint paint = new Paint();
    
    boolean showBkg = false;

    @Override
    protected void onDraw(Canvas canvas)
    {
        super.onDraw(canvas);
        
        if (showBkg)
        {
            canvas.drawColor(Color.parseColor("#40000000"));
        }

        int height = getHeight();
        int width = getWidth();
        int singleHeight = height / b.length;
        for (int i = 0; i < b.length; i++)
        {
            //paint.setTextSize(19) ;
            paint.setColor(Color.BLACK);
            paint.setTypeface(Typeface.DEFAULT_BOLD);
            
            paint.setAntiAlias(true);
            if (i == choose)
            {
                paint.setColor(Color.parseColor("#3399ff"));
                paint.setFakeBoldText(true);
            }
            float xPos = width / 2 - paint.measureText(b[i]) / 2;
            float yPos = singleHeight * i + singleHeight;
            
            canvas.drawText(b[i], xPos, yPos, paint);
            paint.reset();
        }

    }

    @Override
    public boolean dispatchTouchEvent(MotionEvent event)
    {
        final int action = event.getAction();
        final float y = event.getY();
        final int oldChoose = choose;
        final OnTouchingLetterChangedListener listener = onTouchingLetterChangedListener;
        final int c = (int) (y / getHeight() * b.length);

        switch (action)
        {
        case MotionEvent.ACTION_DOWN:
            showBkg = true;
            if (oldChoose != c && listener != null)
            {
                if (c > 0 && c < b.length)
                {
                    listener.onTouchingLetterChanged(b[c]);
                    choose = c;
                    invalidate();
                }
            }

            break;
        case MotionEvent.ACTION_MOVE:
            if (oldChoose != c && listener != null)
            {
                if (c > 0 && c < b.length)
                {
                    listener.onTouchingLetterChanged(b[c]);
                    choose = c;
                    invalidate();
                }
            }
            break;
        case MotionEvent.ACTION_UP:
            showBkg = true;
            if (oldChoose != c && listener != null)
            {
                if (c > 0 && c < b.length)
                {
                    listener.onTouchingLetterChanged(b[c]);
                    choose = c;
                    invalidate();
                }
            }
            
            break;
        }
        return true;
    }

    
    @Override
    public boolean onTouchEvent(MotionEvent event)
    {
        return super.onTouchEvent(event);
    }

    public void setOnTouchingLetterChangedListener(OnTouchingLetterChangedListener onTouchingLetterChangedListener)
    {
        this.onTouchingLetterChangedListener = onTouchingLetterChangedListener;
    }

    public interface OnTouchingLetterChangedListener
    {
        public void onTouchingLetterChanged(String s);
    }
}

源码下载:https://yunpan.cn/cr9yS4D6RWwid访问密码 09fa