1 2 package com.xxmassdeveloper.mpchartexample; 3 4 import android.Manifest; 5 import android.content.Intent; 6 import android.content.pm.PackageManager; 7 import android.graphics.Color; 8 import android.net.Uri; 9 import android.os.Bundle; 10 import androidx.core.content.ContextCompat; 11 import android.util.Log; 12 import android.view.Menu; 13 import android.view.MenuItem; 14 import android.view.WindowManager; 15 import android.widget.SeekBar; 16 import android.widget.SeekBar.OnSeekBarChangeListener; 17 import android.widget.TextView; 18 19 import com.github.mikephil.charting.charts.BubbleChart; 20 import com.github.mikephil.charting.components.Legend; 21 import com.github.mikephil.charting.components.XAxis; 22 import com.github.mikephil.charting.components.YAxis; 23 import com.github.mikephil.charting.data.BubbleData; 24 import com.github.mikephil.charting.data.BubbleDataSet; 25 import com.github.mikephil.charting.data.BubbleEntry; 26 import com.github.mikephil.charting.data.Entry; 27 import com.github.mikephil.charting.highlight.Highlight; 28 import com.github.mikephil.charting.interfaces.datasets.IBubbleDataSet; 29 import com.github.mikephil.charting.interfaces.datasets.IDataSet; 30 import com.github.mikephil.charting.listener.OnChartValueSelectedListener; 31 import com.github.mikephil.charting.utils.ColorTemplate; 32 import com.github.mikephil.charting.utils.MPPointF; 33 import com.xxmassdeveloper.mpchartexample.notimportant.DemoBase; 34 35 import java.util.ArrayList; 36 37 public class BubbleChartActivity extends DemoBase implements OnSeekBarChangeListener, 38 OnChartValueSelectedListener { 39 40 private BubbleChart chart; 41 private SeekBar seekBarX, seekBarY; 42 private TextView tvX, tvY; 43 44 @Override onCreate(Bundle savedInstanceState)45 protected void onCreate(Bundle savedInstanceState) { 46 super.onCreate(savedInstanceState); 47 getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, 48 WindowManager.LayoutParams.FLAG_FULLSCREEN); 49 setContentView(R.layout.activity_bubblechart); 50 51 setTitle("BubbleChartActivity"); 52 53 tvX = findViewById(R.id.tvXMax); 54 tvY = findViewById(R.id.tvYMax); 55 56 seekBarX = findViewById(R.id.seekBar1); 57 seekBarX.setOnSeekBarChangeListener(this); 58 59 seekBarY = findViewById(R.id.seekBar2); 60 seekBarY.setOnSeekBarChangeListener(this); 61 62 chart = findViewById(R.id.chart1); 63 chart.getDescription().setEnabled(false); 64 65 chart.setOnChartValueSelectedListener(this); 66 67 chart.setDrawGridBackground(false); 68 69 chart.setTouchEnabled(true); 70 71 // enable scaling and dragging 72 chart.setDragEnabled(true); 73 chart.setScaleEnabled(true); 74 75 chart.setMaxVisibleValueCount(200); 76 chart.setPinchZoom(true); 77 78 seekBarX.setProgress(10); 79 seekBarY.setProgress(50); 80 81 Legend l = chart.getLegend(); 82 l.setVerticalAlignment(Legend.LegendVerticalAlignment.TOP); 83 l.setHorizontalAlignment(Legend.LegendHorizontalAlignment.RIGHT); 84 l.setOrientation(Legend.LegendOrientation.VERTICAL); 85 l.setDrawInside(false); 86 l.setTypeface(tfLight); 87 88 YAxis yl = chart.getAxisLeft(); 89 yl.setTypeface(tfLight); 90 yl.setSpaceTop(30f); 91 yl.setSpaceBottom(30f); 92 yl.setDrawZeroLine(false); 93 94 chart.getAxisRight().setEnabled(false); 95 96 XAxis xl = chart.getXAxis(); 97 xl.setPosition(XAxis.XAxisPosition.BOTTOM); 98 xl.setTypeface(tfLight); 99 } 100 101 @Override onProgressChanged(SeekBar seekBar, int progress, boolean fromUser)102 public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) { 103 104 int count = seekBarX.getProgress(); 105 int range = seekBarY.getProgress(); 106 107 tvX.setText(String.valueOf(count)); 108 tvY.setText(String.valueOf(range)); 109 110 ArrayList<BubbleEntry> values1 = new ArrayList<>(); 111 ArrayList<BubbleEntry> values2 = new ArrayList<>(); 112 ArrayList<BubbleEntry> values3 = new ArrayList<>(); 113 114 for (int i = 0; i < count; i++) { 115 values1.add(new BubbleEntry(i, (float) (Math.random() * range), (float) (Math.random() * range), getResources().getDrawable(R.drawable.star))); 116 values2.add(new BubbleEntry(i, (float) (Math.random() * range), (float) (Math.random() * range), getResources().getDrawable(R.drawable.star))); 117 values3.add(new BubbleEntry(i, (float) (Math.random() * range), (float) (Math.random() * range))); 118 } 119 120 // create a dataset and give it a type 121 BubbleDataSet set1 = new BubbleDataSet(values1, "DS 1"); 122 set1.setDrawIcons(false); 123 set1.setColor(ColorTemplate.COLORFUL_COLORS[0], 130); 124 set1.setDrawValues(true); 125 126 BubbleDataSet set2 = new BubbleDataSet(values2, "DS 2"); 127 set2.setDrawIcons(false); 128 set2.setIconsOffset(new MPPointF(0, 15)); 129 set2.setColor(ColorTemplate.COLORFUL_COLORS[1], 130); 130 set2.setDrawValues(true); 131 132 BubbleDataSet set3 = new BubbleDataSet(values3, "DS 3"); 133 set3.setColor(ColorTemplate.COLORFUL_COLORS[2], 130); 134 set3.setDrawValues(true); 135 136 ArrayList<IBubbleDataSet> dataSets = new ArrayList<>(); 137 dataSets.add(set1); // add the data sets 138 dataSets.add(set2); 139 dataSets.add(set3); 140 141 // create a data object with the data sets 142 BubbleData data = new BubbleData(dataSets); 143 data.setDrawValues(false); 144 data.setValueTypeface(tfLight); 145 data.setValueTextSize(8f); 146 data.setValueTextColor(Color.WHITE); 147 data.setHighlightCircleWidth(1.5f); 148 149 chart.setData(data); 150 chart.invalidate(); 151 } 152 153 @Override onCreateOptionsMenu(Menu menu)154 public boolean onCreateOptionsMenu(Menu menu) { 155 getMenuInflater().inflate(R.menu.bubble, menu); 156 return true; 157 } 158 159 @Override onOptionsItemSelected(MenuItem item)160 public boolean onOptionsItemSelected(MenuItem item) { 161 162 switch (item.getItemId()) { 163 case R.id.viewGithub: { 164 Intent i = new Intent(Intent.ACTION_VIEW); 165 i.setData(Uri.parse("https://github.com/PhilJay/MPAndroidChart/blob/master/MPChartExample/src/com/xxmassdeveloper/mpchartexample/BubbleChartActivity.java")); 166 startActivity(i); 167 break; 168 } 169 case R.id.actionToggleValues: { 170 for (IDataSet set : chart.getData().getDataSets()) 171 set.setDrawValues(!set.isDrawValuesEnabled()); 172 173 chart.invalidate(); 174 break; 175 } 176 case R.id.actionToggleIcons: { 177 for (IDataSet set : chart.getData().getDataSets()) 178 set.setDrawIcons(!set.isDrawIconsEnabled()); 179 180 chart.invalidate(); 181 break; 182 } 183 case R.id.actionToggleHighlight: { 184 if(chart.getData() != null) { 185 chart.getData().setHighlightEnabled(!chart.getData().isHighlightEnabled()); 186 chart.invalidate(); 187 } 188 break; 189 } 190 case R.id.actionTogglePinch: { 191 if (chart.isPinchZoomEnabled()) 192 chart.setPinchZoom(false); 193 else 194 chart.setPinchZoom(true); 195 196 chart.invalidate(); 197 break; 198 } 199 case R.id.actionToggleAutoScaleMinMax: { 200 chart.setAutoScaleMinMaxEnabled(!chart.isAutoScaleMinMaxEnabled()); 201 chart.notifyDataSetChanged(); 202 break; 203 } 204 case R.id.actionSave: { 205 if (ContextCompat.checkSelfPermission(this, Manifest.permission.WRITE_EXTERNAL_STORAGE) == PackageManager.PERMISSION_GRANTED) { 206 saveToGallery(); 207 } else { 208 requestStoragePermission(chart); 209 } 210 break; 211 } 212 case R.id.animateX: { 213 chart.animateX(2000); 214 break; 215 } 216 case R.id.animateY: { 217 chart.animateY(2000); 218 break; 219 } 220 case R.id.animateXY: { 221 chart.animateXY(2000, 2000); 222 break; 223 } 224 } 225 return true; 226 } 227 228 @Override saveToGallery()229 protected void saveToGallery() { 230 saveToGallery(chart, "BubbleChartActivity"); 231 } 232 233 @Override onValueSelected(Entry e, Highlight h)234 public void onValueSelected(Entry e, Highlight h) { 235 Log.i("VAL SELECTED", 236 "Value: " + e.getY() + ", xIndex: " + e.getX() 237 + ", DataSet index: " + h.getDataSetIndex()); 238 } 239 240 @Override onNothingSelected()241 public void onNothingSelected() {} 242 243 @Override onStartTrackingTouch(SeekBar seekBar)244 public void onStartTrackingTouch(SeekBar seekBar) {} 245 246 @Override onStopTrackingTouch(SeekBar seekBar)247 public void onStopTrackingTouch(SeekBar seekBar) {} 248 } 249