واجهة برمجة MIT App Inventor - كتاب هندسة البرمجيات - الصف 12 - الفصل 1 - المملكة العربية السعودية

MIT APP INVENTOR Projects Connect Build Settings Help My Projects Vi Visit_SA_App Blocks Viewer Cities Add Screen Remove Screen Publish to Gallery --- SECTION: Built-in Blocks --- Built-in Control Logic Math Text Lists Dictionaries Colors Variables Procedures --- SECTION: Cities Components --- Cities discover_label VerticalArrangement1 cities_label riyadh_list jeddah_list --- SECTION: Any Component --- Any component --- SECTION: Component Actions --- Rename Delete --- SECTION: Media --- Media al_masmak.jpg --- SECTION: Programming Blocks (Top Section) --- for each item in list do for each key with value in dictionary do while test do if then else if then do result evaluate but ignore result open another screen screenName AlMasmak open another screen with start value screenName AlMasmak startValue get start value --- SECTION: Reference 4 --- 4 --- SECTION: Conditional Logic Blocks (Top Right) --- if get start value = else if get start value = --- SECTION: Programming Blocks (Bottom Section) --- "" join length --- SECTION: Reference 5 --- 5 --- SECTION: Conditional Logic Blocks (Bottom Right) --- if get start value = "en" then else if get start value = "ar" then --- SECTION: Footer Information --- وزارة التعليم Ministry of Education 161 2023 - 1447 --- VISUAL CONTEXT --- **DIAGRAM**: MIT App Inventor Interface Screenshot Description: A screenshot of the MIT App Inventor integrated development environment (IDE) showing block-based programming. The interface is divided into several panels: a top menu bar, a left-hand 'Blocks' palette, a top-right screen management bar, and a central 'Viewer' area displaying programming blocks. Two distinct sets of blocks are shown, with dashed lines and numbered circles (4 and 5) indicating connections or points of interest. Context: Illustrates the visual programming environment of MIT App Inventor, specifically demonstrating logic for screen navigation and conditional language selection based on a 'start value'. **DIAGRAM**: MIT App Inventor Blocks - Top Section Description: A collection of MIT App Inventor programming blocks in the 'Viewer' area. These blocks include control flow structures like 'for each item in list', 'for each key with value in dictionary', 'while test', and an 'if then else if then' block. Also visible are blocks for screen navigation ('open another screen') and retrieving a 'start value'. A dashed line connects the 'get start value' block (labeled '4') to the conditional 'if' blocks on the right. Key Values: for each item in list, for each key with value in dictionary, while test, if then else if then, do result, evaluate but ignore result, open another screen screenName AlMasmak, open another screen with start value screenName AlMasmak startValue, get start value Context: Shows examples of iteration, conditional logic, and screen management blocks in MIT App Inventor, demonstrating how to pass data between screens. **DIAGRAM**: MIT App Inventor Blocks - Bottom Section Description: A smaller set of MIT App Inventor programming blocks in the lower 'Viewer' area. This section features a text block ('""'), a 'join' block, and a 'length' block. A dashed line connects an empty text block (labeled '5') to a conditional 'if then else if then' structure on the right. This conditional structure checks if 'get start value' is equal to 'en' or 'ar'. Key Values: "", join, length, if get start value = "en", else if get start value = "ar" Context: Illustrates string manipulation (join, length) and conditional logic for language selection ('en' for English, 'ar' for Arabic) based on a 'start value', likely for internationalization.