MIT App Inventor - تطوير تطبيق قصر المصمك - كتاب هندسة البرمجيات - الصف 12 - الفصل 1 - المملكة العربية السعودية

--- SECTION: Instruction/Task --- ابحث في الإنترنت عن وصف لقصر المصمك (Al Masmak) باللغتين الإنجليزية والعربية. --- SECTION: Global Variable Initialization Blocks --- initialize global title_en to "Al Masmak" initialize global title_ar to "المصمك" initialize global description_en to "Located in the heart of the old quarter in Riyad..." initialize global description_ar to "...يقع قصر المصمك في وسط مدينة الرياض، وهو عبارة عن" --- SECTION: Event Handler Blocks --- when AlMasmak .BackPressed do when AlMasmak .ErrorOccurred component functionName errorNumber message do when AlMasmak .Initialize do --- SECTION: Initialization Event Handler Detail --- when AlMasmak .Initialize do --- SECTION: Publisher Information --- وزارة التعليم Ministry of Education 2025 - 1447 --- SECTION: Page Number --- 170 --- VISUAL CONTEXT --- **FIGURE**: MIT App Inventor Blocks Editor - Initializing Global Variables for Al Masmak App Description: A screenshot of the MIT App Inventor Blocks editor for a project named 'Visit_SA_App'. The top bar shows 'MIT APP INVENTOR', 'Projects', 'Connect', 'Build', 'Settings', 'Help', and project-specific options like 'AlMasmak', 'Add Screen', 'Remove Screen', 'Publish to Gallery'. The left pane, labeled 'Blocks', lists built-in categories: 'Control', 'Logic', 'Math', 'Text', 'Lists', 'Dictionaries', 'Colors', 'Variables', 'Procedures'. The right pane, labeled 'Viewer', displays several code blocks. These include four 'initialize global' blocks: 'initialize global title_en to "Al Masmak"', 'initialize global title_ar to "المصمك"', 'initialize global description_en to "Located in the heart of the old quarter in Riyad..."', and 'initialize global description_ar to "...يقع قصر المصمك في وسط مدينة الرياض، وهو عبارة عن"'. Other visible, but unconnected, blocks are 'join', 'length', and 'is empty'. A blue circle with the number '2' points to the 'join' block, indicating a specific point of reference. Table Structure: Headers: N/A Data: The image shows the graphical programming interface of MIT App Inventor, specifically demonstrating how to declare and initialize global variables to store textual data in both English and Arabic for an application. Key Values: MIT APP INVENTOR, Visit_SA_App, AlMasmak, initialize global title_en, Al Masmak, initialize global title_ar, المصمك, initialize global description_en, Located in the heart of the old quarter in Riyad..., initialize global description_ar, ...يقع قصر المصمك في وسط مدينة الرياض، وهو عبارة عن, join, length, is empty, 2 Context: This visual illustrates the process of setting up initial data for a mobile application using global variables in MIT App Inventor, emphasizing multilingual content handling for an informational app about Al Masmak. **FIGURE**: MIT App Inventor Blocks Editor - Event Handlers for Al Masmak App Description: A second screenshot of the MIT App Inventor Blocks editor for the 'Visit_SA_App' project. The top bar is identical to the previous figure. The left pane, 'Blocks', now additionally shows 'AlMasmak' as a component, with sub-components 'discover_label', 'VerticalArrangement1', and 'title_label'. The right pane, 'Viewer', displays three event handler blocks: 'when AlMasmak .BackPressed do', 'when AlMasmak .ErrorOccurred component functionName errorNumber message do', and 'when AlMasmak .Initialize do'. A blue circle with the number '3' points to the 'when AlMasmak .Initialize do' block, highlighting it as a specific reference point. Table Structure: Headers: N/A Data: The image demonstrates the implementation of event-driven programming in MIT App Inventor, showing how to define actions for specific events like a back button press, an error occurrence, or the app's initialization. Key Values: MIT APP INVENTOR, Visit_SA_App, AlMasmak, discover_label, VerticalArrangement1, title_label, when AlMasmak .BackPressed do, when AlMasmak .ErrorOccurred component functionName errorNumber message do, when AlMasmak .Initialize do, 3 Context: This visual explains how to structure the behavior of a mobile application by responding to user interactions and system events using event handler blocks in MIT App Inventor. **IMAGE**: Ministry of Education Logo and Information Description: The logo of the Ministry of Education, Kingdom of Saudi Arabia, featuring a stylized green emblem resembling a tree or abstract design. Below the emblem, the Arabic text 'وزارة التعليم' is displayed, followed by the English text 'Ministry of Education' and the years '2025 - 1447'. Table Structure: Headers: N/A Data: Official branding and publication details. Key Values: وزارة التعليم, Ministry of Education, 2025 - 1447 Context: Indicates the official source or publisher of the educational material.