Preview input value

.gitignore

@@ -8,3 +8,4 @@
 .externalNativeBuild
 .cxx
 local.properties
+release

src/main/java/io/gitlab/jfronny/hc05ac/InputActivity.kt

@@ -2,6 +2,7 @@ package io.gitlab.jfronny.hc05ac
 
 import android.os.Bundle
 import android.view.MotionEvent
+import android.widget.TextView
 import androidx.appcompat.widget.LinearLayoutCompat
 import io.gitlab.jfronny.hc05ac.util.Action
 import io.gitlab.jfronny.hc05ac.util.BaseActivity
@@ -14,10 +15,14 @@ import io.gitlab.jfronny.hc05ac.util.jAction
  */
 abstract class InputActivity : BaseActivity() {
     private var root: LinearLayoutCompat? = null
+    private var leftView: TextView? = null
+    private var rightView: TextView? = null
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_main)
         root = findViewById(R.id.root)
+        leftView = findViewById(R.id.left)
+        rightView = findViewById(R.id.right)
     }
 
     override fun onTouchEvent(event: MotionEvent?): Boolean {
@@ -37,7 +42,7 @@ abstract class InputActivity : BaseActivity() {
             Action.UP -> 0
             Action.OTHER -> return false
         }
-        send(left, right)
+        update()
         return false
     }
 
@@ -47,9 +52,15 @@ abstract class InputActivity : BaseActivity() {
             Action.UP -> 0
             Action.OTHER -> return false
         }
-        send(left, right)
+        update()
         return false
     }
 
+    private fun update() {
+        leftView!!.text = left.toString()
+        rightView!!.text = right.toString()
+        send(left, right)
+    }
+
     protected abstract fun send(left: Byte, right: Byte)
 }

src/main/res/layout/activity_main.xml

@@ -10,14 +10,22 @@
     app:divider="@drawable/divider"
     app:showDividers="middle">
 
-    <View
-        android:layout_width="wrap_content"
+    <TextView
+        android:text="@string/zero"
+        android:id="@+id/left"
+        android:gravity="center"
+        android:textAlignment="gravity"
+        android:layout_width="match_parent"
         android:layout_height="match_parent"
         android:layout_weight="0.5"
         android:background="?attr/colorPrimary" />
 
-    <View
-        android:layout_width="wrap_content"
+    <TextView
+        android:text="@string/zero"
+        android:id="@+id/right"
+        android:gravity="center"
+        android:textAlignment="gravity"
+        android:layout_width="match_parent"
         android:layout_height="match_parent"
         android:layout_weight="0.5"
         android:background="?attr/colorSecondary" />

src/main/res/values/strings.xml

@@ -1,3 +1,4 @@
 <resources>
     <string name="app_name">HC05AC</string>
+    <string name="zero">0</string>
 </resources>