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Assets/3rd/NativeGallery/NativeGalleryUtl.cs

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+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using Coolape;
+
+public class NativeGalleryUtl
+{
+    public static IEnumerator TakeScreenshotAndSave(string album, string fileName)
+    {
+        yield return new WaitForEndOfFrame();
+
+        Texture2D ss = new Texture2D(Screen.width, Screen.height, TextureFormat.RGB24, false);
+        ss.ReadPixels(new Rect(0, 0, Screen.width, Screen.height), 0, 0);
+        ss.Apply();
+
+        // Save the screenshot to Gallery/Photos
+        Debug.Log("Permission result: " + NativeGallery.SaveImageToGallery(ss, album, fileName));
+
+        // To avoid memory leaks
+        Object.Destroy(ss);
+    }
+
+    public static void PickImage(object callback, int maxSize = -1)
+    {
+        NativeGallery.Permission permission = NativeGallery.GetImageFromGallery((path) =>
+        {
+            Debug.Log("Image path: " + path);
+            if (path != null)
+            {
+                // Create Texture from selected image
+                Texture2D texture = NativeGallery.LoadImageAtPath(path, maxSize);
+                if (texture == null)
+                {
+                    Debug.Log("Couldn't load texture from " + path);
+                    return;
+                }
+                Utl.doCallback(callback, texture);
+
+                /*
+                // Assign texture to a temporary quad and destroy it after 5 seconds
+                GameObject quad = GameObject.CreatePrimitive(PrimitiveType.Quad);
+                quad.transform.position = Camera.main.transform.position + Camera.main.transform.forward * 2.5f;
+                quad.transform.forward = Camera.main.transform.forward;
+                quad.transform.localScale = new Vector3(1f, texture.height / (float)texture.width, 1f);
+
+                Material material = quad.GetComponent<Renderer>().material;
+                if (!material.shader.isSupported) // happens when Standard shader is not included in the build
+                    material.shader = Shader.Find("Legacy Shaders/Diffuse");
+
+                material.mainTexture = texture;
+
+                Destroy(quad, 5f);
+
+                // If a procedural texture is not destroyed manually, 
+                // it will only be freed after a scene change
+                Destroy(texture, 5f);
+                */
+
+            }
+        }, "Select a PNG image", "image/png");
+
+        Debug.Log("Permission result: " + permission);
+    }
+
+    public static void PickVideo()
+    {
+        NativeGallery.Permission permission = NativeGallery.GetVideoFromGallery((path) =>
+        {
+            Debug.Log("Video path: " + path);
+            if (path != null)
+            {
+                // Play the selected video
+                Handheld.PlayFullScreenMovie("file://" + path);
+            }
+        }, "Select a video");
+
+        Debug.Log("Permission result: " + permission);
+    }
+}