import image and use as icon android studio

Adding icon in android button is very easy. Current displayed image index in above images array, initial value is 0.In this tutorial, you will learn to add icon and text in a button. Public class ShowImageActivity extends AppCompatActivity

app/java//ShowImageActivity.java package.

Below is the above source file content.

This example’s core files are AndroidManifest.xml, ShowImageActivity.java, activity_show_image.xml.

You can read Android Hello World Example Project File Structure to learn android project structure and core files introduction if you do not know before.

You can see the demo video for this example on youtube.

When you click the image, it will show another image in order.

There are 6 images in this example, when the application start, it will show image1.png.

After adding images to the drawable folder, you can use them in your android application java code.

How To Use Images In Android Application?

You can right-click the image, click “ Refactor -> Rename” to update the image name to a legal name.

The error message like ” Error: ‘-‘ is not a valid file-based resource name character: File-based resource names must contain only lowercase a-z, 0-9, or underscore “ Please note the image name can only include lowercase a-z, 0-9, or underscore otherwise, there will have an error when you rebuild the android project.After that, you can see the images added in the drawable folder. Copy images from any directory you saved and right-click the drawable folder, click the Paste menu item in the popup menu list then accept all popup dialog.Then you can see the drawable folder under app -> res folder in the panel below the subview.In the project view, select the Android subview in the subview drop-down list.If you can not find the project view then you can click ” View -> Tool Windows -> Project ” to show the project view in the left panel. Launch android studio, go to project view in the left panel.How To Add Images To Drawable Folder In Android Studio? Then you can use R.drawable.imageId to refer to that image in your java code.

After that, the android studio will generate a drawable id for each added image in the R class.

Images in the android application are commonly saved in the android project drawable folder ( app/res/drawable).

Import image and use as icon android studio