Nullability Annotations to Java Classes - Activity & Fragment - SDK @Override Methods

[ParaskP7]

Parent #18905

This issue is about adding the missing nullability annotations (@Nullable & @NonNull) to all SDK @Override related methods to as many Java-related Activity & Fragment classes as possible.

FYI: As a reference , an example would be to add the missing @Nullable annotation to the Bundle savedInstanceState parameter of the @Override onCreate(...) method. The missing @Nullable or @NonNull nullability annotation of the parameter (or return value) on any @Override method can known by simply going to the super method and seeing its signature.

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Tasks (Horizontal Approach)

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1. [Nullability Annotations to Java Classes] Add Missing Nullability Annotations to All SDK Override Methods for Activities #18997
   Core Tech Debt +2
   
2. [Nullability Annotations to Java Classes] Add Missing Nullability Annotations to All SDK Override Methods for Fragments #19004
   Core Tech Debt +2
   

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Tasks (Vertical Approach (Safe))

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1. [Nullability Annotations to Java Classes] Add Missing Nullability Annotations to All SDK Override onCreate(...) Methods (safe) #19096
   Core Tech Debt +2
   
2. [Nullability Annotations to Java Classes] Add Missing Nullability Annotations to All SDK Override onMenu(...) Methods (relatively safe) #19164
   Core Tech Debt +2
   
3. TODO
4. TODO

Tasks (Vertical Approach (Risky))

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1. [Nullability Annotations to Java Classes] Add Missing Nullability Annotations to All SDK Override onNewIntent(...) Methods (risky) #19100
   Core Tech Debt +2
   
2. TODO
3. TODO
4. TODO

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🚫	Please add a type label to this issue. e.g. '[Type] Enhancement'

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[peril-wordpress-mobile]

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🚫	Please add a type label to this issue. e.g. '[Type] Enhancement'

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