1/* 2 * Copyright 2012 AndroidPlot.com 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.androidplot.demos; 18 19import android.app.Activity; 20import android.content.Context; 21import android.graphics.Color; 22import android.os.Bundle; 23import android.view.LayoutInflater; 24import android.view.View; 25import android.view.ViewGroup; 26import android.widget.ArrayAdapter; 27import android.widget.ListView; 28import com.androidplot.Plot; 29import com.androidplot.xy.XYSeries; 30import com.androidplot.xy.LineAndPointFormatter; 31import com.androidplot.xy.SimpleXYSeries; 32import com.androidplot.xy.XYPlot; 33 34import java.util.ArrayList; 35import java.util.List; 36import java.util.Random; 37 38public class ListViewActivity extends Activity { 39 private static final int NUM_PLOTS = 10; 40 private static final int NUM_POINTS_PER_SERIES = 10; 41 private static final int NUM_SERIES_PER_PLOT = 5; 42 private ListView lv; 43 44 public void onCreate(Bundle savedInstanceState) { 45 super.onCreate(savedInstanceState); 46 setContentView(R.layout.listview_example); 47 lv = (ListView) findViewById(R.id.listView1); 48 lv.setAdapter(new MyViewAdapter(getApplicationContext(), R.layout.listview_example_item, null)); 49 } 50 51 class MyViewAdapter extends ArrayAdapter<View> { 52 public MyViewAdapter(Context context, int resId, List<View> views) { 53 super(context, resId, views); 54 } 55 56 @Override 57 public int getCount() { 58 return 5; 59 } 60 61 @Override 62 public View getView(int pos, View convertView, ViewGroup parent) { 63 LayoutInflater inf = (LayoutInflater) getContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE); 64 65 View v = convertView; 66 if (v == null) { 67 v = inf.inflate(R.layout.listview_example_item, parent, false); 68 } 69 70 Plot p = (XYPlot) v.findViewById(R.id.xyplot); 71 Random generator = new Random(); 72 73 for (int k = 0; k < NUM_SERIES_PER_PLOT; k++) { 74 ArrayList<Number> nums = new ArrayList<Number>(); 75 for (int j = 0; j < NUM_POINTS_PER_SERIES; j++) { 76 nums.add(generator.nextFloat()); 77 } 78 79 double rl = Math.random(); 80 double gl = Math.random(); 81 double bl = Math.random(); 82 83 double rp = Math.random(); 84 double gp = Math.random(); 85 double bp = Math.random(); 86 87 XYSeries series = new SimpleXYSeries(nums, SimpleXYSeries.ArrayFormat.Y_VALS_ONLY, "S" + k); 88 p.addSeries(series, new LineAndPointFormatter( 89 Color.rgb(new Double(rl * 255).intValue(), new Double(gl * 255).intValue(), new Double(bl * 255).intValue()), 90 Color.rgb(new Double(rp * 255).intValue(), new Double(gp * 255).intValue(), new Double(bp * 255).intValue()), 91 null, null)); 92 } 93 return v; 94 } 95 } 96}