My android learning experience 7, android learning experience 7

My android learning experience 7, android learning experience 7

Error reported after android Signature

Duplicate id @ + id/imageView, already defined earlier in this layout, android generates an error

An error is reported for the duplicate Project id. The solution is as follows:

1. Click Window-Preferences.

 

2. Click Link Error Checking in android

3. Write DuplicateIDs to Issues in the right border after clicking

4. Click an item in the list and change the Severity in the lower right corner to Warning.

5. Run the program again.