Why do images (.png) have ragged edges in app?

[Anke]

@morozover

like to know about reasons of the such .png file behavior

[Problem] Google Play App Crash Reports

The resolution of the image, which are set in the app, should correspond exactly to the actual ones and vice versa: [grafik] If you want this resolution (186x120px, like the image is shown in your app) you can / should set it to automatic, otherwise you should resize the image (you uploaded in the assets) to the required resolution. For more details see here: http://ai2.appinventor.mit.edu/reference/other/usingImages.html Rule: Resize images to make them not too large and not too small, bu…