Fix: Links in Description not clickable (Closes #91)

src/main/kotlin/com/looker/droidify/widget/ClickableMovementMethod.kt

@@ -0,0 +1,67 @@
+package com.looker.droidify.widget
+
+import android.text.Selection
+import android.text.Spannable
+import android.text.method.MovementMethod
+import android.text.style.ClickableSpan
+import android.view.KeyEvent
+import android.view.MotionEvent
+import android.widget.TextView
+
+object ClickableMovementMethod : MovementMethod {
+    override fun initialize(widget: TextView, text: Spannable) {
+        Selection.removeSelection(text)
+    }
+
+    override fun onTouchEvent(widget: TextView, text: Spannable, event: MotionEvent): Boolean {
+        val action = event.action
+        val down = action == MotionEvent.ACTION_DOWN
+        val up = action == MotionEvent.ACTION_UP
+        return (down || up) && run {
+            val x = event.x.toInt() - widget.totalPaddingLeft + widget.scrollX
+            val y = event.y.toInt() - widget.totalPaddingTop + widget.scrollY
+            val layout = widget.layout
+            val line = layout.getLineForVertical(y)
+            val offset = layout.getOffsetForHorizontal(line, x.toFloat())
+            val span = text.getSpans(offset, offset, ClickableSpan::class.java)?.firstOrNull()
+            if (span != null) {
+                if (down) {
+                    Selection.setSelection(text, text.getSpanStart(span), text.getSpanEnd(span))
+                } else {
+                    span.onClick(widget)
+                }
+                true
+            } else {
+                Selection.removeSelection(text)
+                false
+            }
+        }
+    }
+
+    override fun onKeyDown(
+        widget: TextView,
+        text: Spannable,
+        keyCode: Int,
+        event: KeyEvent,
+    ): Boolean = false
+
+    override fun onKeyUp(
+        widget: TextView,
+        text: Spannable,
+        keyCode: Int,
+        event: KeyEvent,
+    ): Boolean = false
+
+    override fun onKeyOther(view: TextView, text: Spannable, event: KeyEvent): Boolean = false
+    override fun onTakeFocus(widget: TextView, text: Spannable, direction: Int) = Unit
+    override fun onTrackballEvent(widget: TextView, text: Spannable, event: MotionEvent): Boolean =
+        false
+
+    override fun onGenericMotionEvent(
+        widget: TextView,
+        text: Spannable,
+        event: MotionEvent,
+    ): Boolean = false
+
+    override fun canSelectArbitrarily(): Boolean = false
+}