MIT App Inventor: Visit_SA_App - كتاب هندسة البرمجيات - الصف 12 - الفصل 1 - المملكة العربية السعودية

--- SECTION: Application Header Bar --- MIT APP INVENTOR Projects Connect Build Settings Help --- SECTION: Project Navigation Bar --- Visit_SA_App AlMasmak Add Screen Remove Screen Publish to Gallery --- SECTION: Blocks Panel Header --- Blocks --- SECTION: Blocks Categories --- Math Text Lists Dictionaries Colors Variables Procedures --- SECTION: AlMasmak App Components --- AlMasmak discover_label VerticalArrangement1 title_label image description_label map_button Map1 --- SECTION: Generic Component Block --- Any component --- SECTION: Viewer Panel Header --- Viewer --- SECTION: UI Property Setting Blocks --- set description_label . Height set description_label . Height to set description_label . HeightPercent to description_label . Text set description_label . Text to description_label . TextColor set description_label . TextColor to --- SECTION: AlMasmak Initialization Logic --- when AlMasmak .Initialize do if get start value = "en" then set title_label . Text to get global title_en set description_label . Text to get global description_en else if get start value = "ar" then set title_label . Text to get global title_ar set description_label . Text to get global description_ar --- SECTION: Page Footer --- وزارة التعليم Ministry of Education 173 2025 - 1447 --- VISUAL CONTEXT --- **DIAGRAM**: MIT App Inventor Blocks Editor Screenshot Description: A screenshot of the MIT App Inventor development environment, specifically the Blocks editor. The interface is divided into a left panel listing block categories and app components, and a main canvas on the right where programming blocks are assembled. The top section of the main canvas shows blocks for setting properties of a 'description_label' component (Height, HeightPercent, Text, TextColor). The bottom section displays a 'when AlMasmak .Initialize' event block containing conditional logic (if/else if) to set 'title_label' and 'description_label' text based on a 'start value' being 'en' (English) or 'ar' (Arabic), using global variables for titles and descriptions. A blue circle with the number '9' and a dashed arrow points from the 'set description_label . Text to' block to the 'when AlMasmak .Initialize' block, indicating a connection or flow. Key Values: MIT APP INVENTOR, Visit_SA_App, AlMasmak, Blocks, Viewer, description_label, Height, HeightPercent, Text, TextColor, when AlMasmak .Initialize, get start value, en, ar, global title_en, global description_en, global title_ar, global description_ar, وزارة التعليم, Ministry of Education, 173, 2025 - 1447 Context: This visual demonstrates how to implement basic UI manipulation and localization logic within an MIT App Inventor application using visual programming blocks. It shows how to set component properties and handle application initialization events with conditional statements.