如何为Android STT Activity代码绘制正确类图？已绘部分存疑

Hey there! Let's walk through each of the three parts you're unsure about, based on common Android STT development patterns:

1. The private RecognitionListener listener = new RecognitionListener() Field #

Since RecognitionListener is an interface, here's how to correctly represent this in your class diagram:

• Simplified approach: Add a private attribute to VoiceMain_Activity labeled - listener: RecognitionListener. This clearly shows that your activity holds a reference to a RecognitionListener instance, which is sufficient for most high-level class diagrams.
• Detailed approach (to show anonymous implementation): If you want to visualize the concrete anonymous inner class implementation, add a nested class (e.g., VoiceMain_Activity$AnonymousRecognitionListener) that implements RecognitionListener, then link VoiceMain_Activity to this nested class with a private attribute - listener: AnonymousRecognitionListener. This is useful if you need to document the interface method overrides in the diagram.

2. The public void onPermissionGranted() Methods #

First, note that two identical onPermissionGranted() methods (same name, return type, and no parameters) would cause a compilation error—this is likely a typo! Assuming you meant one method, here's how to represent it:

• If this is a custom method you defined in VoiceMain_Activity, simply add it to the activity's method section as + onPermissionGranted(): void.
• If this method implements a callback from a permission-related interface (like ActivityResultCallback<Boolean> or a custom PermissionListener), you need to:
  1. Use a dashed line with an open arrow to show that VoiceMain_Activity implements that interface in your diagram.
  2. List onPermissionGranted() as an implemented method under the activity, often marked with a note to indicate it's an interface override.

Quick Verification Checklist #

• Double-check that your RecognitionListener association matches whether you're showing a generic interface reference or a concrete anonymous implementation.
• Remove duplicate method signatures (if that was a mistake) and link the remaining method to its parent interface if it's a callback implementation.

If you can share snippets of your actual VoiceMain_Activity code, I can give even more tailored feedback!

内容的提问来源于stack exchange，提问作者AWildDitto