: Use . 3. Content Context
: If using this in an app, set the attribute in your XML: android:contentDescription="Portrait of Sheridan Love" . SheridanLove06_tn.jpg
: Ensure the file ends in .jpg . If it doesn't open, right-click, select "Rename," and manually add the extension. Authoring Meaningful Alternative Text | Section508.gov SheridanLove06_tn.jpg