Here is an example of how you might create an architectural drawing app for Android:
Start by creating a new project in Android Studio.
Add the necessary dependencies for the app, such as a drawing library like Skia, which provides a low-level drawing API.
Create a CanvasView class that extends View and overrides the onDraw() method. This will be the view where the user can draw their architectural plans.
In the onDraw() method, use the drawing API to draw lines and shapes on the canvas based on the user's input.
Add touch gesture handling to the CanvasView class to allow the user to draw on the canvas by dragging their finger across the screen.
Create a DrawingActivity class that extends AppCompatActivity and displays the CanvasView in its layout.
In the DrawingActivity, add options for the user to select colors, line thickness, and other drawing tools.
Implement features such as undo/redo and the ability to save and load drawings.
Test the app thoroughly to ensure it works as expected and provides a good user experience.
This is just one way to implement an architectural drawing app for Android. Depending on your specific requirements, the app could be structured differently and include additional features.
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