Added new spinner_item_height attribute and property

powerspinner/api/powerspinner.api

@@ -142,6 +142,7 @@ public final class com/skydoves/powerspinner/PowerSpinnerView : androidx/appcomp
 	public final fun getShowDivider ()Z
 	public final fun getSpinnerAdapter ()Lcom/skydoves/powerspinner/PowerSpinnerInterface;
 	public final fun getSpinnerBodyView ()Landroid/widget/FrameLayout;
+	public final fun getSpinnerItemHeight ()I
 	public final fun getSpinnerOutsideTouchListener ()Lcom/skydoves/powerspinner/OnSpinnerOutsideTouchListener;
 	public final fun getSpinnerPopupAnimation ()Lcom/skydoves/powerspinner/SpinnerAnimation;
 	public final fun getSpinnerPopupAnimationStyle ()I
@@ -179,6 +180,7 @@ public final class com/skydoves/powerspinner/PowerSpinnerView : androidx/appcomp
 	public final fun setShowArrow (Z)V
 	public final fun setShowDivider (Z)V
 	public final fun setSpinnerAdapter (Lcom/skydoves/powerspinner/PowerSpinnerInterface;)V
+	public final fun setSpinnerItemHeight (I)V
 	public final fun setSpinnerOutsideTouchListener (Lcom/skydoves/powerspinner/OnSpinnerOutsideTouchListener;)V
 	public final fun setSpinnerPopupAnimation (Lcom/skydoves/powerspinner/SpinnerAnimation;)V
 	public final fun setSpinnerPopupAnimationStyle (I)V
@@ -219,6 +221,7 @@ public final class com/skydoves/powerspinner/PowerSpinnerView$Builder {
 	public final fun setPreferenceName (Ljava/lang/String;)Lcom/skydoves/powerspinner/PowerSpinnerView$Builder;
 	public final fun setShowArrow (Z)Lcom/skydoves/powerspinner/PowerSpinnerView$Builder;
 	public final fun setShowDivider (Z)Lcom/skydoves/powerspinner/PowerSpinnerView$Builder;
+	public final fun setSpinnerItemHeight (I)Lcom/skydoves/powerspinner/PowerSpinnerView$Builder;
 	public final fun setSpinnerPopupAnimation (Lcom/skydoves/powerspinner/SpinnerAnimation;)Lcom/skydoves/powerspinner/PowerSpinnerView$Builder;
 	public final fun setSpinnerPopupAnimationStyle (I)Lcom/skydoves/powerspinner/PowerSpinnerView$Builder;
 	public final fun setSpinnerPopupBackground (Landroid/graphics/drawable/Drawable;)Lcom/skydoves/powerspinner/PowerSpinnerView$Builder;

powerspinner/src/main/java/com/skydoves/powerspinner/DefaultSpinnerAdapter.kt

@@ -21,6 +21,7 @@ import android.view.LayoutInflater
 import android.view.ViewGroup
 import androidx.recyclerview.widget.RecyclerView
 import com.skydoves.powerspinner.databinding.PowerspinnerItemDefaultPowerBinding
+import com.skydoves.powerspinner.internals.NO_INT_VALUE
 import com.skydoves.powerspinner.internals.NO_SELECTED_INDEX
 
 /** DefaultSpinnerAdapter is a default adapter composed of string items. */
@@ -93,6 +94,9 @@ public class DefaultSpinnerAdapter(
         spinnerView.paddingRight,
         spinnerView.paddingBottom
       )
+      if (spinnerView.spinnerItemHeight != NO_INT_VALUE) {
+        binding.root.height = spinnerView.spinnerItemHeight
+      }
     }
   }
 }

powerspinner/src/main/java/com/skydoves/powerspinner/IconSpinnerAdapter.kt

@@ -25,6 +25,7 @@ import android.view.ViewGroup
 import androidx.core.content.res.ResourcesCompat
 import androidx.recyclerview.widget.RecyclerView
 import com.skydoves.powerspinner.databinding.PowerspinnerItemDefaultPowerBinding
+import com.skydoves.powerspinner.internals.NO_INT_VALUE
 import com.skydoves.powerspinner.internals.NO_SELECTED_INDEX
 
 /** IconSpinnerAdapter is a custom adapter composed of [IconSpinnerItem] items. */
@@ -131,6 +132,9 @@ public class IconSpinnerAdapter(
         spinnerView.paddingRight,
         spinnerView.paddingBottom
       )
+      if (spinnerView.spinnerItemHeight != NO_INT_VALUE) {
+        binding.root.height = spinnerView.spinnerItemHeight
+      }
     }
   }
 }

powerspinner/src/main/java/com/skydoves/powerspinner/PowerSpinnerView.kt

@@ -222,6 +222,9 @@ public class PowerSpinnerView : AppCompatTextView, DefaultLifecycleObserver {
   /** A height size of the spinner popup. */
   public var spinnerPopupHeight: Int = NO_INT_VALUE
 
+  /** A fixed item height size of the spinner popup. */
+  public var spinnerItemHeight: Int = NO_INT_VALUE
+
   /** The spinner popup will be dismissed when got notified an item is selected. */
   public var dismissWhenNotifiedItemSelected: Boolean = true
 
@@ -418,6 +421,14 @@ public class PowerSpinnerView : AppCompatTextView, DefaultLifecycleObserver {
           )
       }
 
+      if (hasValue(R.styleable.PowerSpinnerView_spinner_item_height)) {
+        spinnerItemHeight =
+          getDimensionPixelSize(
+            R.styleable.PowerSpinnerView_spinner_item_height,
+            spinnerItemHeight
+          )
+      }
+
       if (hasValue(R.styleable.PowerSpinnerView_spinner_popup_elevation)) {
         _spinnerPopupElevation =
           getDimensionPixelSize(
@@ -583,6 +594,12 @@ public class PowerSpinnerView : AppCompatTextView, DefaultLifecycleObserver {
   /** gets the spinner popup's recyclerView. */
   public fun getSpinnerRecyclerView(): RecyclerView = binding.recyclerView
 
+  /** calculates the height size of the popup window. */
+  internal fun calculateSpinnerHeight(): Int {
+    val itemSize = getSpinnerAdapter<Any>().getItemCount()
+    return itemSize * (spinnerItemHeight + dividerSize)
+  }
+
   /** gets the spinner popup's body. */
   public fun getSpinnerBodyView(): FrameLayout = binding.body
 
@@ -661,27 +678,37 @@ public class PowerSpinnerView : AppCompatTextView, DefaultLifecycleObserver {
   public fun show(xOff: Int = 0, yOff: Int = 0) {
     debounceShowOrDismiss {
       if (!isShowing) {
-        this.isShowing = true
+        isShowing = true
         animateArrow(true)
         applyWindowAnimation()
-        this.spinnerWindow.showAsDropDown(this, xOff, yOff)
+        spinnerWindow.width = getSpinnerWidth()
+        if (getSpinnerHeight() != 0) {
+          spinnerWindow.height = getSpinnerHeight()
+        }
+        spinnerWindow.showAsDropDown(this, xOff, yOff)
         post {
-          val spinnerWidth = if (spinnerPopupWidth != NO_INT_VALUE) {
-            spinnerPopupWidth
-          } else {
-            width
-          }
-          val spinnerHeight = if (spinnerPopupHeight != NO_INT_VALUE) {
-            spinnerPopupHeight
-          } else {
-            getSpinnerRecyclerView().height
-          }
-          this.spinnerWindow.update(spinnerWidth, spinnerHeight)
+          spinnerWindow.update(getSpinnerWidth(), getSpinnerHeight())
         }
       }
     }
   }
 
+  private fun getSpinnerWidth(): Int {
+    return if (spinnerPopupWidth != NO_INT_VALUE) {
+      spinnerPopupWidth
+    } else {
+      width
+    }
+  }
+
+  private fun getSpinnerHeight(): Int {
+    return when {
+      spinnerPopupHeight != NO_INT_VALUE -> spinnerPopupHeight
+      spinnerItemHeight != NO_INT_VALUE -> calculateSpinnerHeight()
+      else -> getSpinnerRecyclerView().height
+    }
+  }
+
   /** dismiss the spinner popup menu. */
   @MainThread
   public fun dismiss() {
@@ -892,6 +919,10 @@ public class PowerSpinnerView : AppCompatTextView, DefaultLifecycleObserver {
       this.powerSpinnerView.spinnerPopupHeight = value
     }
 
+    public fun setSpinnerItemHeight(@Px value: Int): Builder = apply {
+      this.powerSpinnerView.spinnerItemHeight = value
+    }
+
     public fun setPreferenceName(value: String): Builder = apply {
       this.powerSpinnerView.preferenceName = value
     }

powerspinner/src/main/res/values/attrs_powerspinner.xml

@@ -41,6 +41,8 @@
     <attr name="spinner_popup_width" format="dimension" />
     <!-- Sets the height of the popup. -->
     <attr name="spinner_popup_height" format="dimension" />
+    <!-- Sets a fixed item height of the popup. -->
+    <attr name="spinner_item_height" format="dimension" />
     <!-- Sets the elevation size of the popup. -->
     <attr name="spinner_popup_elevation" format="dimension" />
     <!-- 	Sets the items of the popup. -->

powerspinner/src/main/res/values/public.xml

@@ -16,6 +16,7 @@
   <public name="spinner_popup_animation_style" type="attr" tools:ignore="ResourceName" />
   <public name="spinner_popup_width" type="attr" tools:ignore="ResourceName" />
   <public name="spinner_popup_height" type="attr" tools:ignore="ResourceName" />
+  <public name="spinner_item_height" type="attr" tools:ignore="ResourceName" />
   <public name="spinner_popup_elevation" type="attr" tools:ignore="ResourceName" />
   <public name="spinner_item_array" type="attr" tools:ignore="ResourceName" />
   <public name="spinner_dismiss_notified_select" type="attr" tools:ignore="ResourceName" />