To build HelloPurr, you'll need an image file of a cat and an audio file with a "meow" sound. Download these files to your computer by right-clicking on the following links and selecting "Save Link As..." Save both files onto your desktop or downloads folder, or anywhere that you can easily find later.
Step 1b.To make the button have an image of a cat, in the Properties pane, under Image, click on the text "None..." and click "Upload New" (#2). A window will pop up to let you choose the image file. Click "Choose File" and then navigate to the location of the kitty.png file you downloaded earlier (#3). Click the kitty.png file, click "Open", and then click "OK".
Step 4. Under Palette, click on the Media drawer and drag out a Sound component and place it in the Viewer (#1). Wherever you drop it, it will appear in the area at the bottom of the Viewer marked Non-visible components. Under the Media pane, Click Upload New... (#2) Browse to the location of the meow.mp3 file that you downloaded earlier and upload it to this project (#3). Under the Properties pane, see that the Source property currently says None.... Click the word None... to change the Sound1 component's Source to meow.mp3 (#4).
2. App (save to my computer): You can download the app to your computer as an apk file, which you can distribute and share as you like by manually installing it on other Android devices (sometimes called "side loading".
If you'd like to work with this sample in App Inventor, download the source code to your computer, then open App Inventor, click Projects, choose Import project (.aia) from my computer..., and select the source code you just downloaded. 781b155fdc