Added:

- The ability to change layout gravity
- The ability to change progress bar gravity (does not change with layout gravity)
- The ability to add an image to the dialog

Changed:
- Dialog default gravity has been changed to center
- UI Components ids changed

Dialoger/src/main/java/com/barnea/dialoger/Dialoger.kt

@@ -1,17 +1,18 @@
 package com.barnea.dialoger
 
+import android.app.ActionBar
 import android.app.AlertDialog
 import android.content.Context
 import android.content.res.ColorStateList
 import android.graphics.Color
 import android.graphics.drawable.ColorDrawable
 import android.graphics.drawable.Drawable
-import android.view.LayoutInflater
-import android.view.View
-import android.view.WindowManager
+import android.view.*
+import android.widget.ImageView
 import android.widget.LinearLayout
 import android.widget.ProgressBar
 import android.widget.TextView
+import androidx.core.content.ContextCompat
 
 class Dialoger(
     context_: Context,
@@ -305,6 +306,52 @@ class Dialoger(
         return this
     }
 
+    /**
+     * @param drawable the drawable used for the imageView
+     * @return Dialoger object
+     */
+    fun setDrawable(drawable: Drawable): Dialoger {
+        getDialogImageView().setImageDrawable(drawable)
+        return this
+    }
+
+    /**
+     * @param drawableInt the drawable int used for the imageView
+     * @return Dialoger object
+     */
+    fun setDrawable(drawableInt: Int): Dialoger {
+        getDialogImageView().setImageDrawable(ContextCompat.getDrawable(context, drawableInt))
+        return this
+    }
+
+    /**
+     * Default gravity is center
+     * ProgressBar gravity stays as center, to change that use setProgressBarGravity
+     * @param gravity the gravity of all the children in the dialog
+     * @return Dialoger object
+     */
+    fun setGravity(gravity: Int): Dialoger {
+        getDialogBackground().gravity = gravity
+        return this
+    }
+
+    /**
+     * Default gravity is center
+     * @param gravity the gravity of all the children in the dialog
+     * @return Dialoger object
+     */
+    fun setProgressBarGravity(gravity: Int): Dialoger {
+        val params = LinearLayout.LayoutParams(
+            LinearLayout.LayoutParams.WRAP_CONTENT,
+            LinearLayout.LayoutParams.WRAP_CONTENT
+        ).apply {
+            this.gravity = gravity
+        }
+
+        getDialogProgressBar().layoutParams = params
+        return this
+    }
+
     /**
      * @param isCanceledOnTouchOutside whether the dialog will be dismissed on touch outside of it or not
      * @return Dialoger object
@@ -318,35 +365,42 @@ class Dialoger(
      * @return the dialog title textView
      */
     private fun getDialogTitle(): TextView {
-        return dialogView.findViewById(R.id.dialog_title)
+        return dialogView.findViewById(R.id.dialogTitle)
     }
 
     /**
      * @return the dialog text textView
      */
     private fun getDialogText(): TextView {
-        return dialogView.findViewById(R.id.dialog_text)
+        return dialogView.findViewById(R.id.dialogText)
+    }
+
+    /**
+     * @return the dialog image imageView
+     */
+    private fun getDialogImageView(): ImageView {
+        return dialogView.findViewById(R.id.dialogImageView)
     }
 
     /**
      * @return the dialog button
      */
     private fun getDialogButton(): TextView {
-        return dialogView.findViewById(R.id.dialog_button)
+        return dialogView.findViewById(R.id.dialogButton)
     }
 
     /**
      * @return the dialog progress bar
      */
     private fun getDialogProgressBar(): ProgressBar {
-        return dialogView.findViewById(R.id.dialog_progressBar)
+        return dialogView.findViewById(R.id.dialogProgressBar)
     }
 
     /**
      * @return the dialog parent view
      */
     private fun getDialogBackground(): LinearLayout {
-        return dialogView.findViewById(R.id.dialog_background)
+        return dialogView.findViewById(R.id.dialogBackground)
     }
 
 }

Dialoger/src/main/res/layout/layout_dialog.xml

@@ -1,16 +1,26 @@
 <?xml version="1.0" encoding="utf-8"?>
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    android:id="@+id/dialog_background"
+    android:id="@+id/dialogBackground"
     android:layout_width="wrap_content"
     android:layout_height="wrap_content"
     android:layout_gravity="center"
+    android:gravity="center"
     android:background="@drawable/rounded_background"
     android:orientation="vertical"
     android:padding="24dp">
 
+    <ImageView
+        android:id="@+id/dialogImageView"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:maxHeight="100dp"
+        android:scaleType="centerCrop"
+        android:paddingBottom="16dp"
+        android:contentDescription="@string/default_image_content_description" />
+
     <TextView
-        android:id="@+id/dialog_title"
-        android:layout_width="match_parent"
+        android:id="@+id/dialogTitle"
+        android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:text="@string/default_title"
         android:textStyle="bold"
@@ -19,8 +29,8 @@
         android:textColor="@color/black" />
 
     <TextView
-        android:id="@+id/dialog_text"
-        android:layout_width="match_parent"
+        android:id="@+id/dialogText"
+        android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:text="@string/default_text"
         android:textAlignment="inherit"
@@ -29,7 +39,7 @@
         android:textColor="@color/black" />
 
     <ProgressBar
-        android:id="@+id/dialog_progressBar"
+        android:id="@+id/dialogProgressBar"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:indeterminate="true"
@@ -38,7 +48,7 @@
         android:layout_marginTop="24dp" />
 
     <Button
-        android:id="@+id/dialog_button"
+        android:id="@+id/dialogButton"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:layout_marginTop="24dp"

Dialoger/src/main/res/values/strings.xml

@@ -2,6 +2,7 @@
 <resources>
     <string name="default_title">Default Title</string>
     <string name="default_text">Default text default text default text default text</string>
+    <string name="default_image_content_description">Dialog Image</string>
     <string name="default_button_text">OK</string>
     <string name="loading">Loading…</string>
     <string name="success">Success!</string>

app/src/main/java/com/barnea/dialoger/MainActivity.kt

@@ -2,6 +2,7 @@ package com.barnea.dialoger
 
 import android.os.Bundle
 import android.os.Handler
+import android.view.Gravity
 import android.widget.Toast
 import androidx.appcompat.app.AppCompatActivity
 
@@ -14,6 +15,8 @@ class MainActivity : AppCompatActivity() {
             .setTitle("This is a loading dialog...")
             .setText("This might take a while...")
             .setProgressBarColor("#7acf19")
+            .setDrawable(R.drawable.ic_launcher_background)
+            .setGravity(Gravity.START)
             .show()
 
         // dismiss the dialog after 3 seconds
@@ -29,6 +32,6 @@ class MainActivity : AppCompatActivity() {
                     Toast.makeText(this, "dialog button clicked", Toast.LENGTH_SHORT).show()
                 }
                 .show()
-        }, 3000)
+        }, 10000)
     }
 }