fix #136, make sure swiftkey arrows work well

Author: tibbi

app/src/main/kotlin/com/simplemobiletools/notes/fragments/NoteFragment.kt

@@ -5,7 +5,6 @@ import android.os.Bundle
 import android.support.v4.app.Fragment
 import android.text.Editable
 import android.text.TextWatcher
-import android.text.method.LinkMovementMethod
 import android.text.util.Linkify
 import android.util.TypedValue
 import android.view.Gravity
@@ -18,10 +17,7 @@ import com.simplemobiletools.commons.extensions.onGlobalLayout
 import com.simplemobiletools.notes.R
 import com.simplemobiletools.notes.activities.MainActivity
 import com.simplemobiletools.notes.extensions.*
-import com.simplemobiletools.notes.helpers.DBHelper
-import com.simplemobiletools.notes.helpers.GRAVITY_CENTER
-import com.simplemobiletools.notes.helpers.GRAVITY_RIGHT
-import com.simplemobiletools.notes.helpers.NOTE_ID
+import com.simplemobiletools.notes.helpers.*
 import com.simplemobiletools.notes.models.Note
 import kotlinx.android.synthetic.main.fragment_note.*
 import kotlinx.android.synthetic.main.fragment_note.view.*
@@ -47,7 +43,7 @@ class NoteFragment : Fragment() {
             view.notes_view.apply {
                 linksClickable = true
                 autoLinkMask = Linkify.WEB_URLS or Linkify.EMAIL_ADDRESSES
-                movementMethod = LinkMovementMethod.getInstance()
+                movementMethod = MyMovementMethod.getInstance()
             }
         }
 

app/src/main/kotlin/com/simplemobiletools/notes/helpers/MyMovementMethod.kt

@@ -0,0 +1,54 @@
+package com.simplemobiletools.notes.helpers
+
+import android.text.Selection
+import android.text.Spannable
+import android.text.method.ArrowKeyMovementMethod
+import android.text.style.ClickableSpan
+import android.view.MotionEvent
+import android.widget.TextView
+
+class MyMovementMethod : ArrowKeyMovementMethod() {
+    companion object {
+        private var sInstance: MyMovementMethod? = null
+
+        fun getInstance(): MyMovementMethod {
+            if (sInstance == null) {
+                sInstance = MyMovementMethod()
+            }
+            return sInstance!!
+        }
+    }
+
+    override fun onTouchEvent(widget: TextView, buffer: Spannable, event: MotionEvent): Boolean {
+        val action = event.action
+
+        if (action == MotionEvent.ACTION_UP || action == MotionEvent.ACTION_DOWN) {
+            var x = event.x.toInt()
+            var y = event.y.toInt()
+
+            x -= widget.totalPaddingLeft
+            y -= widget.totalPaddingTop
+
+            x += widget.scrollX
+            y += widget.scrollY
+
+            val layout = widget.layout
+            val line = layout.getLineForVertical(y)
+            val off = layout.getOffsetForHorizontal(line, x.toFloat())
+
+            val links = buffer.getSpans(off, off, ClickableSpan::class.java)
+            if (links.isNotEmpty()) {
+                if (action == MotionEvent.ACTION_UP) {
+                    links[0].onClick(widget)
+                } else if (action == MotionEvent.ACTION_DOWN) {
+                    Selection.setSelection(buffer,
+                            buffer.getSpanStart(links[0]),
+                            buffer.getSpanEnd(links[0]))
+                }
+                return true
+            }
+        }
+
+        return super.onTouchEvent(widget, buffer, event)
+    }
+}