Added dialog for example that the feature drawing into the chart by gesture is currenlty not available.

Author: PhilJay

MPChartExample/src/com/xxmassdeveloper/mpchartexample/BarChartActivity.java

@@ -222,13 +222,13 @@ public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
         tvY.setText("" + (mSeekBarY.getProgress()));
 
         ArrayList<String> xVals = new ArrayList<String>();
-        for (int i = 0; i < mSeekBarX.getProgress(); i++) {
+        for (int i = 0; i < mSeekBarX.getProgress()+1; i++) {
             xVals.add(mMonths[i % 12]);
         }
 
         ArrayList<Entry> yVals1 = new ArrayList<Entry>();
 
-        for (int i = 0; i < mSeekBarX.getProgress(); i++) {
+        for (int i = 0; i < mSeekBarX.getProgress()+1; i++) {
             float mult = (mSeekBarY.getProgress() + 1);
             float val = (float) (Math.random() * mult) + 3;
             yVals1.add(new Entry(val, i));

MPChartExample/src/com/xxmassdeveloper/mpchartexample/notimportant/MainActivity.java

@@ -2,6 +2,7 @@
 package com.xxmassdeveloper.mpchartexample.notimportant;
 
 import android.app.Activity;
+import android.app.AlertDialog;
 import android.content.Context;
 import android.content.Intent;
 import android.net.Uri;
@@ -22,7 +23,6 @@
 import com.xxmassdeveloper.mpchartexample.AnotherBarActivity;
 import com.xxmassdeveloper.mpchartexample.BarChartActivity;
 import com.xxmassdeveloper.mpchartexample.BarChartActivityMultiDataset;
-import com.xxmassdeveloper.mpchartexample.DrawChartActivity;
 import com.xxmassdeveloper.mpchartexample.InvertedLineChartActivity;
 import com.xxmassdeveloper.mpchartexample.LineChartActivity;
 import com.xxmassdeveloper.mpchartexample.ListViewBarChartActivity;
@@ -48,7 +48,7 @@ protected void onCreate(Bundle savedInstanceState) {
 
         // initialize the utilities
         Utils.init(getResources());
-        
+
         ArrayList<ContentItem> objects = new ArrayList<ContentItem>();
 
         objects.add(new ContentItem("Line Chart", "A simple demonstration of the linechart."));
@@ -126,8 +126,14 @@ public void onItemClick(AdapterView<?> av, View v, int pos, long arg3) {
                 startActivity(i);
                 break;
             case 8:
-                i = new Intent(this, DrawChartActivity.class);
-                startActivity(i);
+                // i = new Intent(this, DrawChartActivity.class);
+                // startActivity(i);
+
+                AlertDialog.Builder b = new AlertDialog.Builder(this);
+                b.setTitle("Feature not available");
+                b.setMessage("Due to recent changes to the data model of the library, this feature is temporarily not available.");
+                b.setPositiveButton("OK", null);
+                b.create().show();
                 break;
             case 9:
                 i = new Intent(this, SimpleChartDemo.class);

MPChartLib/src/com/github/mikephil/charting/charts/Chart.java

@@ -1009,7 +1009,8 @@ protected void drawMarkers() {
 
             int xIndex = mIndicesToHightlight[i].getXIndex();
 
-            drawMarkerView(xIndex, mIndicesToHightlight[i].getDataSetIndex());
+            if (xIndex < mCurrentData.getXVals().size())
+                drawMarkerView(xIndex, mIndicesToHightlight[i].getDataSetIndex());
         }
     }