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Android高仿QQ消息滑动删除(附源码)

时间：2014-06-11 22:01:04      阅读：517      评论：0      收藏：0      [点我收藏+]

大家都应该使用过QQ吧,他的消息中可以滑动删除功能,我觉得比较有意思,所以模仿写了一个,并且修改了其滑动算法.我先贴几个简单示范图吧

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其实主要用的是算法以及对ListView的把控.

一下是适配器的类

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package com.fay.adapter;
 
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
 
import android.app.Activity;
import android.content.Context;
import android.graphics.Point;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.MotionEvent;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.View.OnTouchListener;
import android.view.ViewGroup;
import android.view.animation.Animation;
import android.view.animation.Animation.AnimationListener;
import android.view.animation.AnimationUtils;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;
 
import com.fay.activity.MessageActivity;
import com.fay.message.R;
 
/**
 * the adapter of the ListView
 * @author Fay
 * {@link 1940125001@qq.com}
 */
public class ListMessageAdapter extends BaseAdapter {
    private String TAG = "ListMessageAdapter";
    private Context context = null;
    private Holder holder = null;
    private LayoutInflater inflater = null;
 
    // the last position clicked
    private int mLastPosition = -1;
 
    // check whether a touch action is finish
    private boolean loadFinish = false;
 
    // the position of click and move, start and end point
    private Point startPoint, endPoint;
 
    // the animation of removing the item
    private Animation animation = null;
 
    // the children item is common
    private final int TYPE_ITEM = 0;
 
    // the children item is searching
    private final int TYPE_SEARCH = 1;
 
    // the count of children item‘s type
    private final int TYPE_COUNT = TYPE_SEARCH + 1;
 
    // data container
    private List<Map<String, Object>> list = new ArrayList<Map<String, Object>>();
 
    public ListMessageAdapter(Context context) {
        this.context = context;
        this.inflater = (LayoutInflater) context
                .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
        this.startPoint = new Point();
        this.endPoint = new Point();
        animation = AnimationUtils.loadAnimation(context, R.anim.push_out);
    }
 
    public void setData(ArrayList<Map<String, Object>> list) {
        this.list = list;
        notifyDataSetChanged();
    }
 
    public void setDataTemp(List<Map<String, Object>> list) {
        this.list = list;
        notifyDataSetChanged();
    }
 
    public void clearData() {
        list.clear();
        notifyDataSetChanged();
    }
 
    public int getCount() {
        return list.size();
    }
 
    @Override
    public Object getItem(int position) {
        return list.get(position);
    }
 
    @Override
    public long getItemId(int position) {
        return position;
    }
 
    @Override
    public int getItemViewType(int position) {
        return position == 0 ? TYPE_SEARCH : TYPE_ITEM;
    }
 
    @Override
    public int getViewTypeCount() {
        return TYPE_COUNT;
    }
 
    @Override
    public View getView(int position, View convertView, ViewGroup parent) {
        int type = getItemViewType(position);
        if (null == convertView) {
            holder = new Holder();
            switch (type) {
            case TYPE_SEARCH:
                convertView = inflater.inflate(R.layout.search, null);
                holder.searchview = (LinearLayout) convertView
                        .findViewById(R.id.search);
                break;
            case TYPE_ITEM:
                convertView = inflater
                        .inflate(R.layout.list_item_message, null);
                holder.linearlayout = (LinearLayout) convertView
                        .findViewById(R.id.message_linear);
                holder.content = (TextView) convertView
                        .findViewById(R.id.message_detail);
                holder.delete = (TextView) convertView
                        .findViewById(R.id.message_delete);
                break;
            }
            convertView.setTag(holder);
        } else {
            holder = (Holder) convertView.getTag();
        }
 
        final int chickPosition = position;
 
        switch (type) {
        case TYPE_SEARCH:
            // hidden the top view
            holder.searchview.setOnClickListener(new OnClickListener() {
                @Override
                public void onClick(View v) {
                    MessageActivity.hiddenTop();
                }
            });
            break;
        case TYPE_ITEM:
            holder.content.setText("消息" + list.get(chickPosition).get("index") + ":你好哦，我想你咯");
            final int finalPosition = position;
            if (position == mLastPosition) {
                holder.delete.setVisibility(View.VISIBLE);
            } else {
                holder.delete.setVisibility(View.GONE);
            }
 
            // 删除
            final View view = holder.linearlayout;
 
            holder.delete.setOnClickListener(new OnClickListener() {
                @Override
                public void onClick(View v) {
 
                    view.startAnimation(animation);
                    animation.setAnimationListener(new AnimationListener() {
                        @Override
                        public void onAnimationStart(Animation arg0) {
                        }
 
                        @Override
                        public void onAnimationRepeat(Animation arg0) {
                        }
 
                        @Override
                        public void onAnimationEnd(Animation arg0) {
                            list.remove(chickPosition);
                            mLastPosition = -1;
                            notifyDataSetChanged();
                        }
                    });
                }
            });
 
            holder.linearlayout.setOnTouchListener(new OnTouchListener() {
 
                public boolean onTouch(View v, MotionEvent event) {
                    switch (event.getAction()) {
                    case MotionEvent.ACTION_DOWN:
                        loadFinish = false;
                        startPoint.set((int) event.getX(), (int) event.getY());
                        break;
                    case MotionEvent.ACTION_MOVE:
                        endPoint.set((int) event.getX(), (int) event.getY());
                        if (Math.abs(endPoint.x - startPoint.x) > 30) {
                            if (loadFinish == false) {
                                loadFinish = true;
                                if (finalPosition != mLastPosition) {
                                    mLastPosition = finalPosition;
                                } else {
                                    mLastPosition = -1;
                                }
                                notifyDataSetChanged();
                            } else {
                                return true;
                            }
                            return true;
                        }
                        if (Math.abs(endPoint.y - startPoint.y) > 30) {
                            return false;
                        }
                        break;
                    case MotionEvent.ACTION_UP:
                        break;
                    }
                    return false;
                }
            });
 
            holder.linearlayout.setOnClickListener(new OnClickListener() {
                @Override
                public void onClick(View v) {
                    if (mLastPosition != -1) {
                        mLastPosition = -1;
                        notifyDataSetChanged();
                    } else {
                        Toast.makeText(context, "您点击了 -> " + chickPosition, 2000).show();
                    }
                }
            });
            break;
        }
        return convertView;
    }
 
    private class Holder {
        TextView content;
        TextView delete;
        LinearLayout linearlayout;
        LinearLayout searchview;
    }
 
}

　多余的我不说了,你们直接看源码吧.

  源码下载地址:http://files.cnblogs.com/yinweiliang/Message.zip

Android高仿QQ消息滑动删除(附源码),布布扣,bubuko.com

Android高仿QQ消息滑动删除(附源码)

原文：http://www.cnblogs.com/yinweiliang/p/3772366.html
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