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To load an image (for example: PNG, JPEG, WEBP) or vector resource from the disk, use the painterResource API with your image reference. You don't need to know the type of the asset, just use painterResource in Image or paint modifiers.

The best way to debug how many times a composable is being recomposed is to use Layout Inspector (Android Studio > Tools > Layout inspector).

It adopts a declarative approach, enabling developers to build UI components using Kotlin code instead of XML. Compose leverages the power of Kotlin's language features and functional programming, making UI development faster, more intuitive, and less error-prone.

Pick one photo Firstly, we'll have to create a variable that will hold the image URI, and then we're creating a contract that will open the image gallery. The PickVisualMedia contract let the user pick only one photo from the gallery, and when the user picks a photo the value of selectedImageUri gets updated.

The main disadvantage of using Jetpack Compose is that it's relatively new, so its ecosystem is limited and the number of available libraries, tools, and resources is lower than the traditional ecosystem. Despite that, we believe that learning Jetpack Compose is worth the learning curve and challenges.

The solution here is to provide item keys. Providing a stable key for each item lets Compose avoid unnecessary recompositions. In this case, Compose can see that the item now at spot 3 is the same item that used to be at spot 2. Since none of the data for that item has changed, Compose doesn't have to recompose it.

Go to app > resource > layout > activity_main. Create an ImageView and a FloatingActionButton under CoordinatorLayout. By clicking FAB, we will pick an image. After selecting an image, ImageView will show the image.

Pick one photo Firstly, we'll have to create a variable that will hold the image URI, and then we're creating a contract that will open the image gallery. The PickVisualMedia contract let the user pick only one photo from the gallery, and when the user picks a photo the value of selectedImageUri gets updated.

Pick image from gallery in Android Intent intent = new Intent(Intent. ACTION_GET_CONTENT); intent. addCategory(Intent. CATEGORY_OPENABLE); intent. setType("image/*"); startActivityForResult(Intent. createChooser(intent, "Select Picture"),REQUEST_GET_SINGLE_FILE);