Fix many problems due to the custom ScrollView returning false

Skip super.requestChildRectangleOnScreen only after tapping.
It seems that we can safely skip it ever after tapping,
but only one time after tapping is enough.

Author: tamo

app/src/main/java/jp/deadend/noname/skk/SKKKanaRuleManager.kt

@@ -1,5 +1,6 @@
 package jp.deadend.noname.skk
 
+import android.annotation.SuppressLint
 import android.content.Context
 import android.content.Intent
 import android.graphics.Rect
@@ -61,6 +62,11 @@ class SKKKanaRuleManager : AppCompatActivity() {
 
         updateStatusView()
         binding.kanaRuleEditor.addTextChangedListener(afterTextChanged = { isModified = true })
+        @SuppressLint("ClickableViewAccessibility")
+        binding.kanaRuleEditor.setOnTouchListener { _, _ ->
+            binding.kanaRuleScrollView.isIgnoring = true
+            false
+        }
     }
 
     override fun onPause() {
@@ -120,7 +126,12 @@ class SKKKanaRuleManager : AppCompatActivity() {
 
 class StableScrollView @JvmOverloads constructor(c: Context, a: AttributeSet? = null, d: Int = 0) :
     ScrollView(c, a, d) {
+    var isIgnoring = false
     override fun requestChildRectangleOnScreen(c: View, r: Rect, i: Boolean): Boolean {
-        return false
+        if (isIgnoring) {
+            isIgnoring = false
+            return false
+        }
+        return super.requestChildRectangleOnScreen(c, r, i)
     }
 }

app/src/main/res/layout/activity_kana_rule_manager.xml

@@ -11,6 +11,7 @@
         android:layout_height="wrap_content" />
 
     <jp.deadend.noname.skk.StableScrollView
+        android:id="@+id/kanaRuleScrollView"
         android:layout_width="match_parent"
         android:layout_height="match_parent">