Android Open Source - retroband Timeline Adapter

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Back to project page retroband.

License

The source code is released under:

Apache License

Java Source Code

/*
 * Copyright (C) 2014 The Retro Band - Open source smart band project
 */* w w w.  jav  a  2 s.  c o m*/
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.hardcopy.retroband.fragments;

import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Calendar;

import com.hardcopy.retroband.R;
import com.hardcopy.retroband.R.color;
import com.hardcopy.retroband.R.id;
import com.hardcopy.retroband.R.layout;
import com.hardcopy.retroband.contents.ActivityReport;

import android.content.Context;
import android.view.LayoutInflater;
import android.view.MotionEvent;
import android.view.View;
import android.view.ViewGroup;
import android.view.View.OnTouchListener;
import android.widget.ArrayAdapter;
import android.widget.LinearLayout;
import android.widget.TextView;


public class TimelineAdapter extends ArrayAdapter<ActivityReport> implements IDialogListener {
  public static final String TAG = "MessageListAdapter";
  
  private Context mContext = null;
  private ArrayList<ActivityReport> mReportList = null;
  private IAdapterListener mAdapterListener = null;
  
  public TimelineAdapter(Context c, int resId, ArrayList<ActivityReport> itemList) {
    super(c, resId, itemList);
    mContext = c;
    if(itemList == null)
      mReportList = new ArrayList<ActivityReport>();
    else
      mReportList = itemList;
  }
  
  
  
  public void setAdapterParams(IAdapterListener l) {
    mAdapterListener = l;
  }
  
  public void addObject(ActivityReport ar) {
    mReportList.add(ar);
  }
  
  public void addObjectOnTop(ActivityReport ar) {
    mReportList.add(0, ar);
  }
  
  public void addObjectAll(ArrayList<ActivityReport> itemList) {
    if(itemList == null)
      return;
    for(int i=0; i<itemList.size(); i++)
      addObject(itemList.get(i));
  }
  
  public void deleteObject(int id) {
    for(int i = mReportList.size() - 1; -1 < i; i--) {
      ActivityReport ar = mReportList.get(i);
      if(ar.mId == id) {
        mReportList.remove(i);
      }
    }
  }
  
  public void deleteObjectByType(int type) {
    for(int i = mReportList.size() - 1; -1 < i; i--) {
      ActivityReport ar = mReportList.get(i);
      if(ar.mType == type) {
        mReportList.remove(i);
      }
    }
  }
  
  public void deleteObjectAll() {
    mReportList.clear();
  }
  
  @Override
  public int getCount() {
    return mReportList.size();
  }
  @Override
  public ActivityReport getItem(int position) { 
    return mReportList.get(position); 
  }
  @Override
  public long getItemId(int position) {
    return position;
  }

  @Override
  public View getView(int position, View convertView, ViewGroup parent) {
    ViewHolder holder;
    View v = convertView;
    ActivityReport ar = getItem(position);
    
    if(v == null) {
      LayoutInflater li = (LayoutInflater)mContext.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
      v = li.inflate(R.layout.list_item_timeline, null);
      holder = new ViewHolder();
      
      holder.mItemContainer = (LinearLayout) v.findViewById(R.id.timeline_item_container);
      holder.mItemContainer.setOnTouchListener(mListItemTouchListener);
      holder.mTextInfo1 = (TextView) v.findViewById(R.id.timeline_info1);
      holder.mTextInfo2 = (TextView) v.findViewById(R.id.timeline_info2);
      holder.mTextInfo3 = (TextView) v.findViewById(R.id.timeline_info3);
      
      v.setTag(holder);
    } else {
      holder = (ViewHolder) v.getTag();
    }
    
    holder.mActivityReport = ar;
    
    if (ar != null && holder != null) {
      holder.mItemContainer.setBackgroundColor(mContext.getResources().getColor(R.color.lightblue1));
      if(ar.mSumOfDifference > 0 && ar.mCount > 0) {
        holder.mTextInfo1.setText("Sum of diff = "+Integer.toString(ar.mSumOfDifference) 
            + ", Count = " + Integer.toString(ar.mCount)
            + ", Average = " + Integer.toString(ar.mSumOfDifference / ar.mCount));
      } else {
        holder.mTextInfo1.setText("No data recorded...");
      }
      if(ar.mStartTime > 0) {
        Calendar cal = Calendar.getInstance();
        cal.setTimeInMillis(ar.mStartTime);
        
        SimpleDateFormat formatter = new SimpleDateFormat("yyyy.MM.dd, hh:mm a");
        String timeField = formatter.format(cal.getTime());
        holder.mTextInfo2.setText(timeField);
      } else {
        holder.mTextInfo2.setText("Time is not valid");
      }
    }
    
    return v;
  }  // End of getView()
  
  @Override
  public void OnDialogCallback(int msgType, int arg0, int arg1, String arg2, String arg3, Object arg4) {
    switch(msgType) {
    case IDialogListener.CALLBACK_CLOSE:
      break;
    }
  }
  
  /**
   * Sometimes onClick listener misses event.
   * Uses touch listener instead.
   */
  private OnTouchListener mListItemTouchListener = new OnTouchListener() {
    private float startx = 0;
    private float starty = 0;
    @Override
    public boolean onTouch(View v, MotionEvent event) {
      if(event.getAction()==MotionEvent.ACTION_DOWN){
        startx = event.getX();
        starty = event.getY();
      }
      if(event.getAction()==MotionEvent.ACTION_UP){
        // if action-up occurred within 30px from start, process as click event. 
        if( (startx - event.getX())*(startx - event.getX()) + (starty - event.getY())*(starty - event.getY()) < 900 ) {
          processOnClickEvent(v);
        }
      }
      return true;
    }
  };  // End of new OnTouchListener
  
  /**
   * Custom click event process
   * @param v    target view
   */
  private void processOnClickEvent(View v) {
    switch(v.getId())
    {
      case R.id.timeline_item_container:
        if(v.getTag() == null)
          break;
        ActivityReport ar = ((ViewHolder)v.getTag()).mActivityReport;
        if(ar != null) {
        }
        break;
    }  // End of switch()
  }
  
  // Holds layout information
  public class ViewHolder {
    public LinearLayout mItemContainer = null;
    public TextView mTextInfo1 = null;
    public TextView mTextInfo2 = null;
    public TextView mTextInfo3 = null;
    
    public ActivityReport mActivityReport = null;
  }
}

Java Source Code List

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