Code cleanup

Author: hannesa2

app/src/main/AndroidManifest.xml

@@ -18,7 +18,7 @@
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
-        <activity android:name="info.appdev.chartexample.LineChartActivity1" />
+        <activity android:name="info.appdev.chartexample.LineChartActivity" />
         <activity android:name="info.appdev.chartexample.LineChartDualAxisActivity" />
         <activity android:name="info.appdev.chartexample.LineChartTime" />
         <activity android:name="info.appdev.chartexample.BarChartActivity" />

app/src/main/java/info/appdev/chartexample/DrawChartActivity.kt

@@ -23,8 +23,6 @@ import info.appdev.chartexample.notimportant.DemoBase
 /**
  * This Activity demonstrates drawing into the Chart with the finger. Both line,
  * bar and scatter charts can be used for drawing.
- *
- * @author Philipp Jahoda
  */
 class DrawChartActivity : DemoBase(), OnChartValueSelectedListener, OnDrawListener {
     private lateinit var binding: ActivityDrawChartBinding
@@ -53,14 +51,14 @@ class DrawChartActivity : DemoBase(), OnChartValueSelectedListener, OnDrawListen
         // add dummy-data to the chart
         initWithDummyData()
 
-        val xl = binding.chart1.getXAxis()
+        val xl = binding.chart1.xAxis
         xl.typeface = tfRegular
         xl.setAvoidFirstLastClipping(true)
 
-        val yl = binding.chart1.getAxisLeft()
+        val yl = binding.chart1.axisLeft
         yl.typeface = tfRegular
 
-        binding.chart1.getLegend().isEnabled = false
+        binding.chart1.legend.isEnabled = false
 
         // chart.setYRange(-40f, 40f, true);
         // call this to reset the changed y-range
@@ -89,7 +87,7 @@ class DrawChartActivity : DemoBase(), OnChartValueSelectedListener, OnDrawListen
     override fun onOptionsItemSelected(item: MenuItem): Boolean {
         when (item.itemId) {
             R.id.actionToggleValues -> {
-                val sets = binding.chart1.data!!.getDataSets()
+                val sets = binding.chart1.data!!.dataSets
 
                 for (iSet in sets) {
                     val set = iSet as LineDataSet

app/src/main/java/info/appdev/chartexample/LineChartActivity1.kt renamed to app/src/main/java/info/appdev/chartexample/LineChartActivity.kt

@@ -29,7 +29,7 @@ import info.appdev.chartexample.notimportant.DemoBase
 /**
  * Example of a heavily customized [LineChart] with limit lines, custom line shapes, etc.
  */
-class LineChartActivity1 : DemoBase(), OnSeekBarChangeListener, OnChartValueSelectedListener {
+class LineChartActivity : DemoBase(), OnSeekBarChangeListener, OnChartValueSelectedListener {
 
     private lateinit var binding: ActivityLinechartBinding
 
@@ -82,40 +82,45 @@ class LineChartActivity1 : DemoBase(), OnSeekBarChangeListener, OnChartValueSele
         // axis range
         binding.chart1.axisLeft.axisMaximum = 200f
         binding.chart1.axisLeft.axisMinimum = -50f
-        val llXAxis = LimitLine(9f, "Index 10")
-        llXAxis.lineWidth = 4f
-        llXAxis.enableDashedLine(10f, 10f, 0f)
-        llXAxis.labelPosition = LimitLabelPosition.RIGHT_BOTTOM
-        llXAxis.textSize = 10f
-        llXAxis.typeface = tfRegular
-        val limitLine1 = LimitLine(150f, "Upper Limit")
-        limitLine1.lineWidth = 4f
-        limitLine1.enableDashedLine(10f, 10f, 0f)
-        limitLine1.labelPosition = LimitLabelPosition.RIGHT_TOP
-        limitLine1.textSize = 10f
-        limitLine1.typeface = tfRegular
-        limitLine1.lineColor = Color.GREEN
-        val limitLine2 = LimitLine(-30f, "Lower Limit")
-        limitLine2.lineWidth = 4f
-        limitLine2.enableDashedLine(10f, 10f, 0f)
-        limitLine2.labelPosition = LimitLabelPosition.RIGHT_BOTTOM
-        limitLine2.textSize = 10f
-        limitLine2.typeface = tfRegular
-        limitLine2.lineColor = Color.GREEN
+        val llXAxis10 = LimitLine(9f, "Index 10").apply {
+            lineWidth = 4f
+            enableDashedLine(10f, 10f, 0f)
+            labelPosition = LimitLabelPosition.RIGHT_BOTTOM
+            textSize = 10f
+            typeface = tfRegular
+        }
+
+        val limitLineUpper = LimitLine(150f, "Upper Limit").apply {
+            lineWidth = 4f
+            enableDashedLine(10f, 10f, 0f)
+            labelPosition = LimitLabelPosition.RIGHT_TOP
+            textSize = 10f
+            typeface = tfRegular
+            lineColor = Color.GREEN
+        }
+
+        val limitLineLower = LimitLine(-30f, "Lower Limit").apply {
+            lineWidth = 4f
+            enableDashedLine(10f, 10f, 0f)
+            labelPosition = LimitLabelPosition.RIGHT_BOTTOM
+            textSize = 10f
+            typeface = tfRegular
+            lineColor = Color.GREEN
+        }
 
         // draw limit lines behind data instead of on top
         binding.chart1.axisLeft.setDrawLimitLinesBehindData(true)
         binding.chart1.xAxis.setDrawLimitLinesBehindData(true)
 
         // add limit lines
-        binding.chart1.axisLeft.addLimitLine(limitLine1)
-        binding.chart1.axisLeft.addLimitLine(limitLine2)
-        //xAxis.addLimitLine(llXAxis);
+        binding.chart1.axisLeft.addLimitLine(limitLineUpper)
+        binding.chart1.axisLeft.addLimitLine(limitLineLower)
+        // binding.chart1.axisLeft.addLimitLine(llXAxis10)
 
         // add data
         binding.seekBarX.progress = 45
         binding.seekBarY.progress = 180
-        Log.d("setDataCreate", "\$count=45 range=180f")
+        Log.d("setDataCreate", "count=45 range=180f")
         setData(this, binding.chart1, 45, 180f)
 
         // draw points over time

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

@@ -27,7 +27,7 @@ import info.appdev.chartexample.FilledLineActivity
 import info.appdev.chartexample.HalfPieChartActivity
 import info.appdev.chartexample.HorizontalBarChartActivity
 import info.appdev.chartexample.InvertedLineChartActivity
-import info.appdev.chartexample.LineChartActivity1
+import info.appdev.chartexample.LineChartActivity
 import info.appdev.chartexample.LineChartActivityColored
 import info.appdev.chartexample.LineChartDualAxisActivity
 import info.appdev.chartexample.LineChartTime
@@ -101,7 +101,7 @@ class MainActivity : AppCompatActivity(), OnItemClickListener {
         val menuItems = ArrayList<ContentItem<out DemoBase>>().apply {
             add(0, ContentItem("Line Charts"))
             add(0, ContentItem("Line Charts"))
-            add(1, ContentItem("Basic", "Simple line chart.", LineChartActivity1::class.java))
+            add(1, ContentItem("Basic", "Simple line chart.", LineChartActivity::class.java))
             add(2, ContentItem("Multiple", "Show multiple data sets.", MultiLineChartActivity::class.java))
             add(3, ContentItem("Dual Axis", "Line chart with dual y-axes.", LineChartDualAxisActivity::class.java))
             add(4, ContentItem("Inverted Axis", "Inverted y-axis.", InvertedLineChartActivity::class.java))