bar, line and pie chart with animations

.gitignore

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+*.iml
+.gradle
+/local.properties
+/.idea/workspace.xml
+/.idea/libraries
+.DS_Store
+/build
+/captures
+.externalNativeBuild

app/.gitignore

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+/build

app/build.gradle

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+apply plugin: 'com.android.application'
+
+apply plugin: 'kotlin-android'
+
+apply plugin: 'kotlin-android-extensions'
+
+android {
+    compileSdkVersion 26
+    defaultConfig {
+        applicationId "com.example.mansigoel.charts"
+        minSdkVersion 15
+        targetSdkVersion 26
+        versionCode 1
+        versionName "1.0"
+        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+    }
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+        }
+    }
+}
+
+dependencies {
+    implementation fileTree(dir: 'libs', include: ['*.jar'])
+    implementation"org.jetbrains.kotlin:kotlin-stdlib-jre7:$kotlin_version"
+    implementation 'com.android.support:appcompat-v7:26.1.0'
+    implementation 'com.android.support.constraint:constraint-layout:1.0.2'
+    testImplementation 'junit:junit:4.12'
+    androidTestImplementation 'com.android.support.test:runner:1.0.1'
+    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1'
+
+    implementation 'com.github.PhilJay:MPAndroidChart:v3.0.3'
+}

app/proguard-rules.pro

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+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile

app/src/androidTest/java/com/example/mansigoel/charts/ExampleInstrumentedTest.kt

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+package com.example.mansigoel.charts
+
+import android.support.test.InstrumentationRegistry
+import android.support.test.runner.AndroidJUnit4
+
+import org.junit.Test
+import org.junit.runner.RunWith
+
+import org.junit.Assert.*
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * See [testing documentation](http://d.android.com/tools/testing).
+ */
+@RunWith(AndroidJUnit4::class)
+class ExampleInstrumentedTest {
+    @Test
+    fun useAppContext() {
+        // Context of the app under test.
+        val appContext = InstrumentationRegistry.getTargetContext()
+        assertEquals("com.example.mansigoel.charts", appContext.packageName)
+    }
+}

app/src/main/AndroidManifest.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.example.mansigoel.charts">
+
+    <application
+        android:allowBackup="true"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:supportsRtl="true"
+        android:theme="@style/AppTheme">
+        <activity android:name=".MainActivity">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>

app/src/main/java/com/example/mansigoel/charts/MainActivity.kt

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+package com.example.mansigoel.charts
+
+import android.graphics.Color
+import android.os.Bundle
+import android.support.v4.content.ContextCompat
+import android.support.v7.app.AppCompatActivity
+import com.github.mikephil.charting.components.XAxis
+import com.github.mikephil.charting.data.*
+import com.github.mikephil.charting.interfaces.datasets.ILineDataSet
+import kotlinx.android.synthetic.main.activity_main.*
+
+
+class MainActivity : AppCompatActivity() {
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_main)
+
+        setupBarChartData()
+
+        setupLineChartData()
+
+        setUpPieChartData()
+    }
+
+    private fun setUpPieChartData() {
+        val yVals = ArrayList<PieEntry>()
+        yVals.add(PieEntry(30f))
+        yVals.add(PieEntry(2f))
+        yVals.add(PieEntry(4f))
+        yVals.add(PieEntry(22f))
+        yVals.add(PieEntry(12.5f))
+
+        val dataSet = PieDataSet(yVals, "")
+        dataSet.valueTextSize=0f
+        val colors = java.util.ArrayList<Int>()
+        colors.add(Color.GRAY)
+        colors.add(Color.BLUE)
+        colors.add(Color.RED)
+        colors.add(Color.GREEN)
+        colors.add(Color.MAGENTA)
+
+        dataSet.setColors(colors)
+        val data = PieData(dataSet)
+        pieChart.data = data
+        pieChart.centerTextRadiusPercent = 0f
+        pieChart.isDrawHoleEnabled = false
+        pieChart.legend.isEnabled = false
+        pieChart.description.isEnabled = false
+    }
+
+    private fun setupLineChartData() {
+        val yVals = ArrayList<Entry>()
+        yVals.add(Entry(0f, 30f, "0"))
+        yVals.add(Entry(1f, 2f, "1"))
+        yVals.add(Entry(2f, 4f, "2"))
+        yVals.add(Entry(3f, 6f, "3"))
+        yVals.add(Entry(4f, 8f, "4"))
+        yVals.add(Entry(5f, 10f, "5"))
+        yVals.add(Entry(6f, 22f, "6"))
+        yVals.add(Entry(7f, 12.5f, "7"))
+        yVals.add(Entry(8f, 22f, "8"))
+        yVals.add(Entry(9f, 32f, "9"))
+        yVals.add(Entry(10f, 54f, "10"))
+        yVals.add(Entry(11f, 28f, "11"))
+
+        val set1: LineDataSet
+        set1 = LineDataSet(yVals, "DataSet 1")
+
+        // set1.fillAlpha = 110
+        // set1.setFillColor(Color.RED);
+
+        // set the line to be drawn like this "- - - - - -"
+        // set1.enableDashedLine(5f, 5f, 0f);
+        // set1.enableDashedHighlightLine(10f, 5f, 0f);
+        set1.color = Color.BLUE
+        set1.setCircleColor(Color.BLUE)
+        set1.lineWidth = 1f
+        set1.circleRadius = 3f
+        set1.setDrawCircleHole(false)
+        set1.valueTextSize = 0f
+        set1.setDrawFilled(false)
+
+        val dataSets = ArrayList<ILineDataSet>()
+        dataSets.add(set1)
+        val data = LineData(dataSets)
+
+        // set data
+        lineChart.setData(data)
+        lineChart.description.isEnabled = false
+        lineChart.legend.isEnabled = false
+        lineChart.setPinchZoom(true)
+        lineChart.xAxis.enableGridDashedLine(5f, 5f, 0f)
+        lineChart.axisRight.enableGridDashedLine(5f, 5f, 0f)
+        lineChart.axisLeft.enableGridDashedLine(5f, 5f, 0f)
+        //lineChart.setDrawGridBackground()
+        lineChart.xAxis.labelCount = 11
+        lineChart.xAxis.position = XAxis.XAxisPosition.BOTTOM
+    }
+
+    private fun setupBarChartData() {
+        // create BarEntry for Bar Group
+        val bargroup = ArrayList<BarEntry>()
+        bargroup.add(BarEntry(0f, 30f, "0"))
+        bargroup.add(BarEntry(1f, 2f, "1"))
+        bargroup.add(BarEntry(2f, 4f, "2"))
+        bargroup.add(BarEntry(3f, 6f, "3"))
+        bargroup.add(BarEntry(4f, 8f, "4"))
+        bargroup.add(BarEntry(5f, 10f, "5"))
+        bargroup.add(BarEntry(6f, 22f, "6"))
+        bargroup.add(BarEntry(7f, 12.5f, "7"))
+        bargroup.add(BarEntry(8f, 22f, "8"))
+        bargroup.add(BarEntry(9f, 32f, "9"))
+        bargroup.add(BarEntry(10f, 54f, "10"))
+        bargroup.add(BarEntry(11f, 28f, "11"))
+
+        // creating dataset for Bar Group
+        val barDataSet = BarDataSet(bargroup, "")
+
+        barDataSet.color = ContextCompat.getColor(this, R.color.amber)
+
+        val data = BarData(barDataSet)
+        barChart.setData(data)
+        barChart.xAxis.position = XAxis.XAxisPosition.BOTTOM
+        barChart.xAxis.labelCount = 11
+        barChart.xAxis.enableGridDashedLine(5f, 5f, 0f)
+        barChart.axisRight.enableGridDashedLine(5f, 5f, 0f)
+        barChart.axisLeft.enableGridDashedLine(5f, 5f, 0f)
+        barChart.description.isEnabled = false
+        barChart.animateY(1000)
+        barChart.legend.isEnabled = false
+        barChart.setPinchZoom(true)
+        barChart.data.setDrawValues(false)
+    }
+}

app/src/main/res/drawable-v24/ic_launcher_foreground.xml

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+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:aapt="http://schemas.android.com/aapt"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportHeight="108"
+    android:viewportWidth="108">
+    <path
+        android:fillType="evenOdd"
+        android:pathData="M32,64C32,64 38.39,52.99 44.13,50.95C51.37,48.37 70.14,49.57 70.14,49.57L108.26,87.69L108,109.01L75.97,107.97L32,64Z"
+        android:strokeColor="#00000000"
+        android:strokeWidth="1">
+        <aapt:attr name="android:fillColor">
+            <gradient
+                android:endX="78.5885"
+                android:endY="90.9159"
+                android:startX="48.7653"
+                android:startY="61.0927"
+                android:type="linear">
+                <item
+                    android:color="#44000000"
+                    android:offset="0.0" />
+                <item
+                    android:color="#00000000"
+                    android:offset="1.0" />
+            </gradient>
+        </aapt:attr>
+    </path>
+    <path
+        android:fillColor="#FFFFFF"
+        android:fillType="nonZero"
+        android:pathData="M66.94,46.02L66.94,46.02C72.44,50.07 76,56.61 76,64L32,64C32,56.61 35.56,50.11 40.98,46.06L36.18,41.19C35.45,40.45 35.45,39.3 36.18,38.56C36.91,37.81 38.05,37.81 38.78,38.56L44.25,44.05C47.18,42.57 50.48,41.71 54,41.71C57.48,41.71 60.78,42.57 63.68,44.05L69.11,38.56C69.84,37.81 70.98,37.81 71.71,38.56C72.44,39.3 72.44,40.45 71.71,41.19L66.94,46.02ZM62.94,56.92C64.08,56.92 65,56.01 65,54.88C65,53.76 64.08,52.85 62.94,52.85C61.8,52.85 60.88,53.76 60.88,54.88C60.88,56.01 61.8,56.92 62.94,56.92ZM45.06,56.92C46.2,56.92 47.13,56.01 47.13,54.88C47.13,53.76 46.2,52.85 45.06,52.85C43.92,52.85 43,53.76 43,54.88C43,56.01 43.92,56.92 45.06,56.92Z"
+        android:strokeColor="#00000000"
+        android:strokeWidth="1" />
+</vector>