Remove noDataTextDescription - this can be done via noDataText as well

Author: PhilJay

MPChartExample/src/com/xxmassdeveloper/mpchartexample/LineChartActivity1.java

@@ -73,7 +73,6 @@ protected void onCreate(Bundle savedInstanceState) {
 
         // no description text
         mChart.getDescription().setEnabled(false);
-        mChart.setNoDataTextDescription("You need to provide data for the chart.");
 
         // enable touch gestures
         mChart.setTouchEnabled(true);

MPChartExample/src/com/xxmassdeveloper/mpchartexample/LineChartActivity2.java

@@ -62,7 +62,6 @@ protected void onCreate(Bundle savedInstanceState) {
 
         // no description text
         mChart.getDescription().setEnabled(false);
-        mChart.setNoDataTextDescription("You need to provide data for the chart.");
 
         // enable touch gestures
         mChart.setTouchEnabled(true);

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

@@ -57,7 +57,6 @@ private void setupChart(LineChart chart, LineData data, int color) {
 
         // no description text
         chart.getDescription().setEnabled(false);
-        chart.setNoDataTextDescription("You need to provide data for the chart.");
 
         // mChart.setDrawHorizontalGrid(false);
         //

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

@@ -54,7 +54,6 @@ protected void onCreate(Bundle savedInstanceState) {
 
         // no description text
         mChart.getDescription().setEnabled(false);
-        mChart.setNoDataTextDescription("You need to provide data for the chart.");
 
         // enable touch gestures
         mChart.setTouchEnabled(true);

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

@@ -43,7 +43,6 @@ protected void onCreate(Bundle savedInstanceState) {
 
         // no description text
         mChart.getDescription().setEnabled(false);
-        mChart.setNoDataTextDescription("You need to provide data for the chart.");
 
         // enable touch gestures
         mChart.setTouchEnabled(true);

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

@@ -39,9 +39,8 @@ protected void onCreate(Bundle savedInstanceState) {
         mChart = (LineChart) findViewById(R.id.chart1);
         mChart.setOnChartValueSelectedListener(this);
 
-        // no description text
-        mChart.getDescription().setEnabled(false);
-        mChart.setNoDataTextDescription("You need to provide data for the chart.");
+        // enable description text
+        mChart.getDescription().setEnabled(true);
 
         // enable touch gestures
         mChart.setTouchEnabled(true);

MPChartExample/src/com/xxmassdeveloper/mpchartexample/realm/RealmBaseActivity.java

@@ -37,7 +37,6 @@ protected void setup(Chart<?> chart) {
 
         // no description text
         chart.getDescription().setEnabled(false);
-        chart.setNoDataTextDescription("You need to provide data for the chart.");
 
         // enable touch gestures
         chart.setTouchEnabled(true);

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

@@ -13,6 +13,7 @@
 import android.graphics.Paint;
 import android.graphics.Paint.Align;
 import android.graphics.RectF;
+import android.graphics.Typeface;
 import android.graphics.drawable.Drawable;
 import android.os.Environment;
 import android.provider.MediaStore.Images;
@@ -149,12 +150,6 @@ public abstract class Chart<T extends ChartData<? extends IDataSet<? extends Ent
      */
     private OnChartGestureListener mGestureListener;
 
-    /**
-     * text that is displayed when the chart is empty that describes why the
-     * chart is empty
-     */
-    private String mNoDataTextDescription;
-
     protected LegendRenderer mLegendRenderer;
 
     /**
@@ -411,29 +406,12 @@ protected void onDraw(Canvas canvas) {
         if (mData == null) {
 
             boolean hasText = !TextUtils.isEmpty(mNoDataText);
-            boolean hasDescription = !TextUtils.isEmpty(mNoDataTextDescription);
-            float line1height = hasText ? Utils.calcTextHeight(mInfoPaint, mNoDataText) : 0.f;
-            float line2height = hasDescription ? Utils.calcTextHeight(mInfoPaint, mNoDataTextDescription) : 0.f;
-            float lineSpacing = (hasText && hasDescription) ?
-                    (mInfoPaint.getFontSpacing() - line1height) : 0.f;
-
-            // if no data, inform the user
-
-            float y = (getHeight() -
-                    (line1height + lineSpacing + line2height)) / 2.f
-                    + line1height;
 
             if (hasText) {
-                canvas.drawText(mNoDataText, getWidth() / 2, y, mInfoPaint);
-
-                if (hasDescription) {
-                    y = y + line1height + lineSpacing;
-                }
+                MPPointF c = getCenter();
+                canvas.drawText(mNoDataText, c.x, c.y, mInfoPaint);
             }
 
-            if (hasDescription) {
-                canvas.drawText(mNoDataTextDescription, getWidth() / 2, y, mInfoPaint);
-            }
             return;
         }
 
@@ -1181,13 +1159,12 @@ public void setNoDataTextColor(int color) {
     }
 
     /**
-     * Sets descriptive text to explain to the user why there is no chart
-     * available Defaults to empty if not set
+     * Sets the typeface to be used for the no data text.
      *
-     * @param text
+     * @param tf
      */
-    public void setNoDataTextDescription(String text) {
-        mNoDataTextDescription = text;
+    public void setNoDataTextTypeface(Typeface tf) {
+        mInfoPaint.setTypeface(tf);
     }
 
     /**