Use rounded renderer for version 3.x

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

@@ -14,6 +14,7 @@
 import com.github.mikephil.charting.interfaces.dataprovider.BarDataProvider;
 import com.github.mikephil.charting.interfaces.datasets.IBarDataSet;
 import com.github.mikephil.charting.renderer.BarChartRenderer;
+import com.github.mikephil.charting.renderer.RoundedBarChartRenderer;
 
 import java.util.Locale;
 
@@ -50,8 +51,9 @@ public class BarChart extends BarLineChartBase<BarData> implements BarDataProvid
     private float mRoundedBarRadius = 0f;
 
     private boolean mFitBars = false;
+	private boolean mIsOwnRoundedRendererUsed = false;
 
-    public BarChart(Context context) {
+	public BarChart(Context context) {
         super(context);
     }
 
@@ -63,12 +65,17 @@ public BarChart(Context context, AttributeSet attrs, int defStyle) {
         super(context, attrs, defStyle);
     }
 
+	protected void setRenderer() {
+		if (isOwnRoundedRendererUsed())
+			mRenderer = new RoundedBarChartRenderer(this, mAnimator, mViewPortHandler);
+		else
+			mRenderer = new BarChartRenderer(this, mAnimator, mViewPortHandler, mDrawRoundedBars, mRoundedBarRadius);
+	}
+
     @Override
     protected void init() {
         super.init();
-
-        mRenderer = new BarChartRenderer(this, mAnimator, mViewPortHandler, mDrawRoundedBars, mRoundedBarRadius);
-
+		setRenderer();
         setHighlighter(new BarHighlighter(this));
 
         getXAxis().setSpaceMin(0.5f);
@@ -298,4 +305,14 @@ public String getAccessibilityDescription() {
                         "Data ranges from %s to %s.",
                 entryCount, entries, minVal, maxVal, minRange, maxRange);
     }
+
+	@Override
+	public boolean isOwnRoundedRendererUsed() {
+		return mIsOwnRoundedRendererUsed;
+	}
+
+	@Override
+	public void setOwnRoundedRendererUsed(boolean b) {
+		mIsOwnRoundedRendererUsed = b;
+	}
 }

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

@@ -49,6 +49,16 @@ public class CombinedChart extends BarLineChartBase<CombinedData> implements Com
 
 	protected DrawOrder[] mDrawOrder;
 
+	@Override
+	public boolean isOwnRoundedRendererUsed() {
+		return false;
+	}
+
+	@Override
+	public void setOwnRoundedRendererUsed(boolean b) {
+		Log.e(LOG_TAG, "CombinedChart does not support rounded bars.");
+	}
+
 	/**
 	 * enum that allows to specify the order in which the different data objects
 	 * for the combined-chart are drawn

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

@@ -13,6 +13,7 @@
 import com.github.mikephil.charting.highlight.HorizontalBarHighlighter;
 import com.github.mikephil.charting.interfaces.datasets.IBarDataSet;
 import com.github.mikephil.charting.renderer.HorizontalBarChartRenderer;
+import com.github.mikephil.charting.renderer.RoundedHorizontalBarChartRenderer;
 import com.github.mikephil.charting.renderer.XAxisRendererHorizontalBarChart;
 import com.github.mikephil.charting.renderer.YAxisRendererHorizontalBarChart;
 import com.github.mikephil.charting.utils.HorizontalViewPortHandler;
@@ -40,6 +41,14 @@ public HorizontalBarChart(Context context, AttributeSet attrs, int defStyle) {
 		super(context, attrs, defStyle);
 	}
 
+	@Override
+	protected void setRenderer() {
+		if (isOwnRoundedRendererUsed())
+			mRenderer = new RoundedHorizontalBarChartRenderer(this, mAnimator, mViewPortHandler);
+		else
+			mRenderer = new HorizontalBarChartRenderer(this, mAnimator, mViewPortHandler);
+	}
+
 	@Override
 	protected void init() {
 
@@ -50,7 +59,6 @@ protected void init() {
 		mLeftAxisTransformer = new TransformerHorizontalBarChart(mViewPortHandler);
 		mRightAxisTransformer = new TransformerHorizontalBarChart(mViewPortHandler);
 
-		mRenderer = new HorizontalBarChartRenderer(this, mAnimator, mViewPortHandler);
 		setHighlighter(new HorizontalBarHighlighter(this));
 
 		mAxisRendererLeft = new YAxisRendererHorizontalBarChart(mViewPortHandler, mAxisLeft, mLeftAxisTransformer);

MPChartLib/src/main/java/com/github/mikephil/charting/interfaces/dataprovider/BarDataProvider.kt

@@ -7,4 +7,5 @@ interface BarDataProvider : BarLineScatterCandleBubbleDataProvider {
     var isDrawBarShadowEnabled: Boolean
     var isDrawValueAboveBarEnabled: Boolean
     var isHighlightFullBarEnabled: Boolean
+    var isOwnRoundedRendererUsed : Boolean
 }

app/src/main/AndroidManifest.xml

@@ -23,7 +23,9 @@
         <activity android:name="info.appdev.chartexample.LineChartDualAxisActivity" />
         <activity android:name="info.appdev.chartexample.LineChartTimeActivity" />
         <activity android:name="info.appdev.chartexample.BarChartActivity" />
+        <activity android:name="info.appdev.chartexample.BarRoundedChartActivity" />
         <activity android:name="info.appdev.chartexample.HorizontalBarChartActivity" />
+        <activity android:name="info.appdev.chartexample.HorizontalBarRoundedChartActivity" />
         <activity android:name="info.appdev.chartexample.compose.HorizontalBarComposeActivity" />
         <activity android:name="info.appdev.chartexample.HorizontalBarNegativeChartActivity" />
         <activity android:name="info.appdev.chartexample.PieChartActivity" />
@@ -38,7 +40,7 @@
         <activity android:name="info.appdev.chartexample.ListViewBarChartActivity" />
         <activity android:name="info.appdev.chartexample.ListViewMultiChartActivity" />
         <activity android:name="info.appdev.chartexample.StackedBarActivity" />
-        <activity android:name="AnotherBarActivity" />
+        <activity android:name=".AnotherBarActivity" />
         <activity android:name="info.appdev.chartexample.InvertedLineChartActivity" />
         <activity android:name="info.appdev.chartexample.CandleStickChartActivity" />
         <activity android:name="info.appdev.chartexample.CubicLineChartActivity" />

app/src/main/kotlin/info/appdev/chartexample/BarChartActivity.kt

@@ -36,8 +36,8 @@ import info.appdev.chartexample.formatter.MyAxisValueFormatter
 import info.appdev.chartexample.notimportant.DemoBase
 import timber.log.Timber
 
-class BarChartActivity : DemoBase(), OnSeekBarChangeListener, OnChartValueSelectedListener {
-    private var chart: BarChart? = null
+open class BarChartActivity : DemoBase(), OnSeekBarChangeListener, OnChartValueSelectedListener {
+    var chart: BarChart? = null
     private var seekBarX: SeekBar? = null
     private var seekBarY: SeekBar? = null
     private var tvX: TextView? = null

app/src/main/kotlin/info/appdev/chartexample/BarRoundedChartActivity.kt

@@ -0,0 +1,11 @@
+package info.appdev.chartexample
+
+import android.os.Bundle
+
+class BarRoundedChartActivity : BarChartActivity() {
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        chart!!.isOwnRoundedRendererUsed = true
+    }
+}

app/src/main/kotlin/info/appdev/chartexample/HorizontalBarChartActivity.kt

@@ -27,9 +27,9 @@ import androidx.core.net.toUri
 import info.appdev.chartexample.databinding.ActivityHorizontalbarchartBinding
 import timber.log.Timber
 
-class HorizontalBarChartActivity : DemoBase(), OnSeekBarChangeListener, OnChartValueSelectedListener {
+open class HorizontalBarChartActivity : DemoBase(), OnSeekBarChangeListener, OnChartValueSelectedListener {
 
-    private lateinit var binding: ActivityHorizontalbarchartBinding
+    lateinit var binding: ActivityHorizontalbarchartBinding
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)

app/src/main/kotlin/info/appdev/chartexample/HorizontalBarRoundedChartActivity.kt

@@ -0,0 +1,12 @@
+package info.appdev.chartexample
+
+import android.os.Bundle
+
+class HorizontalBarRoundedChartActivity : HorizontalBarChartActivity() {
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+
+        binding.chart1.isOwnRoundedRendererUsed = true
+    }
+}

app/src/main/kotlin/info/appdev/chartexample/notimportant/MainActivity.kt

@@ -48,6 +48,7 @@ import info.appdev.chartexample.BarChartActivity
 import info.appdev.chartexample.BarChartActivityMultiDataset
 import info.appdev.chartexample.BarChartActivitySinus
 import info.appdev.chartexample.BarChartPositiveNegative
+import info.appdev.chartexample.BarRoundedChartActivity
 import info.appdev.chartexample.BubbleChartActivity
 import info.appdev.chartexample.CandleStickChartActivity
 import info.appdev.chartexample.CombinedChartActivity
@@ -56,6 +57,7 @@ import info.appdev.chartexample.DynamicalAddingActivity
 import info.appdev.chartexample.FilledLineActivity
 import info.appdev.chartexample.HalfPieChartActivity
 import info.appdev.chartexample.HorizontalBarChartActivity
+import info.appdev.chartexample.HorizontalBarRoundedChartActivity
 import info.appdev.chartexample.InvertedLineChartActivity
 import info.appdev.chartexample.LineChartActivity
 import info.appdev.chartexample.LineChartActivityColored
@@ -166,9 +168,11 @@ class MainActivity : ComponentActivity() {
 
             add(ContentItem("Bar Charts"))
             add(ContentItem("Basic", "Simple bar chart.", BarChartActivity::class.java))
+            add(ContentItem("Basic", "Simple rounded bar chart.", BarRoundedChartActivity::class.java))
             add(ContentItem("Basic 2", "Variation of the simple bar chart.", AnotherBarActivity::class.java))
             add(ContentItem("Multiple", "Show multiple data sets.", BarChartActivityMultiDataset::class.java))
             add(ContentItem("Horizontal", "Render bar chart horizontally.", HorizontalBarChartActivity::class.java))
+            add(ContentItem("Horizontal", "Render bar rounded chart horizontally.", HorizontalBarRoundedChartActivity::class.java))
             add(ContentItem("Stacked", "Stacked bar chart.", StackedBarActivity::class.java))
             add(ContentItem("Negative", "Positive and negative values with unique colors.", BarChartPositiveNegative::class.java))
             //objects.add(ContentItem("Negative Horizontal", "demonstrates how to create a HorizontalBarChart with positive and negative values."))