Kotlin convertions

Author: hannesa2

MPChartExample/src/main/java/com/xxmassdeveloper/mpchartexample/fragments/SimpleChartDemo.java

@@ -0,0 +1,92 @@
+package com.xxmassdeveloper.mpchartexample.fragments
+
+import android.content.Intent
+import android.net.Uri
+import android.os.Bundle
+import android.view.*
+import android.widget.FrameLayout
+import android.widget.Toast
+import androidx.coordinatorlayout.widget.CoordinatorLayout
+import androidx.fragment.app.Fragment
+import androidx.fragment.app.FragmentManager
+import androidx.fragment.app.FragmentPagerAdapter
+import androidx.viewpager.widget.ViewPager
+import com.google.android.material.snackbar.Snackbar
+import com.xxmassdeveloper.mpchartexample.R
+import com.xxmassdeveloper.mpchartexample.notimportant.DemoBase
+
+/**
+ * Demonstrates how to keep your charts straight forward, simple and beautiful with the MPAndroidChart library.
+ */
+class SimpleChartDemo : DemoBase() {
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        window.setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN)
+        setContentView(R.layout.activity_awesomedesign)
+        val pager = findViewById<ViewPager>(R.id.pager)
+        pager.offscreenPageLimit = 3
+        pager.adapter = PageAdapter(supportFragmentManager)
+
+        showSnackbar("Swipe left and right for more awesome design examples!")
+    }
+
+    private inner class PageAdapter(fm: FragmentManager?) : FragmentPagerAdapter(fm!!) {
+        override fun getItem(pos: Int): Fragment {
+            var f: Fragment? = null
+            when (pos) {
+                0 -> f = SineCosineFragment.newInstance()
+                1 -> f = ComplexityFragment.newInstance()
+                2 -> f = BarChartFrag.newInstance()
+                3 -> f = ScatterChartFrag.newInstance()
+                4 -> f = PieChartFrag.newInstance()
+            }
+            return f!!
+        }
+
+        override fun getCount(): Int {
+            return 5
+        }
+    }
+
+    override fun onCreateOptionsMenu(menu: Menu): Boolean {
+        menuInflater.inflate(R.menu.only_github, menu)
+        return true
+    }
+
+    override fun onOptionsItemSelected(item: MenuItem): Boolean {
+        when (item.itemId) {
+            R.id.viewGithub -> {
+                val i = Intent(Intent.ACTION_VIEW)
+                i.data = Uri.parse("https://github.com/PhilJay/MPAndroidChart/blob/master/MPChartExample/src/com/xxmassdeveloper/mpchartexample/fragments/SimpleChartDemo.java")
+                startActivity(i)
+            }
+        }
+        return true
+    }
+
+    /* Intentionally left empty */
+    public override fun saveToGallery() = Unit
+
+    private fun showSnackbar(text: String) {
+        val viewPos : View = findViewById(android.R.id.content)
+        val snackbar = Snackbar.make(viewPos, text, Snackbar.LENGTH_LONG)
+        val view = snackbar.view
+        when (val params = view.layoutParams) {
+            is CoordinatorLayout.LayoutParams -> {
+                val paramsC = view.layoutParams as CoordinatorLayout.LayoutParams
+                paramsC.gravity = Gravity.CENTER_VERTICAL
+                view.layoutParams = paramsC
+                snackbar.show()
+            }
+            is FrameLayout.LayoutParams -> {
+                val paramsC = view.layoutParams as FrameLayout.LayoutParams
+                paramsC.gravity = Gravity.BOTTOM
+                view.layoutParams = paramsC
+                snackbar.show()
+            }
+            else -> {
+                Toast.makeText(this, text + " " + params.javaClass.simpleName, Toast.LENGTH_SHORT).show()
+            }
+        }
+    }
+}

MPChartExample/src/main/java/com/xxmassdeveloper/mpchartexample/fragments/SimpleChartDemo.kt

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+package com.xxmassdeveloper.mpchartexample.notimportant
+
+class ContentItem<T : DemoBase> {
+    @JvmField
+    val name: String
+    @JvmField
+    val desc: String
+    @JvmField
+    var isSection = false
+    @JvmField
+    var clazz: Class<T>? = null
+
+    constructor(n: String) {
+        name = n
+        desc = ""
+        isSection = true
+    }
+
+    constructor(n: String, d: String, clazzName: Class<T>) {
+        name = n
+        desc = d
+        clazz = clazzName
+    }
+}