Android Open Source - retroband Graph Fragment

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Back to project page retroband.

License

The source code is released under:

Apache License

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Java Source Code

/*
 * Copyright (C) 2014 The Retro Band - Open source smart band project
 */*  w w w  .ja va  2s. com*/
 * 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 com.hardcopy.retroband.R;
import com.hardcopy.retroband.R.id;
import com.hardcopy.retroband.R.layout;

import android.content.Context;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;

public class GraphFragment extends Fragment implements IAdapterListener {

  private static final float MAX_ACCEL_VALUE = 32768;
  private Context mContext = null;
  private IFragmentListener mFragmentListener = null;    // for future use
  
  private RenderingView mRenderAccel;

  
  
  public GraphFragment() {
  }
  
  public GraphFragment(Context c, IFragmentListener l) {
    mContext = c;
    mFragmentListener = l;
  }
  
  /*****************************************************
   *  Overrided methods
   ******************************************************/
  @Override
  public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
    View rootView = inflater.inflate(R.layout.fragment_graph, container, false);
    
    mRenderAccel = (RenderingView)rootView.findViewById(R.id.render_accel);
    
    return rootView;
  }
  
  @Override
  public void OnAdapterCallback(int msgType, int arg0, int arg1, String arg2, String arg3, Object arg4) {
    switch(msgType) {
    case IAdapterListener.CALLBACK_xxx:
      // TODO: Send data to activity
      //if(arg4 != null)
      //  mFragmentListener.OnFragmentCallback(IFragmentListener.CALLBACK_REQUEST_ADD_FILTER, 0, 0, null, null, arg4);
      break;
    }
  }
  
  /*****************************************************
   *  Private methods
   ******************************************************/
  /**
   * Check if rendering view is initialized.
   * If not, initialize with max value
   * @return  boolean    is initialized or already initialized
   */
  private boolean checkRenderView() {
    // Initialize rendering view
    if(mRenderAccel != null) {
      if(!mRenderAccel.getInitializationFlag()) {
        // Initialize with the value range from bottom to top
        mRenderAccel.initializeGraphics(MAX_ACCEL_VALUE);
      }
      return true;
    }
    
    return false;
  }
  
  
  /*****************************************************
   *  Public methods
   ******************************************************/
  /**
   * Draw graph
   * @param accelArray  accel data to draw.
   */
  public void drawAccelData(int[] accelArray) {
    if(!checkRenderView())
      return;
    
    // Draw graph with array of data
    mRenderAccel.drawAccelGraph(accelArray);
    mRenderAccel.invalidate();
  }
  
  
  
}

Java Source Code List