Android:Field can be converted to a local variable.

Android:Field can be converted to a local variable.

Preface:

Develop Android with Android Studio for a while, and occasionally I encounter AS with yellow highlighting prompts on some private variablesField can be converted to a local varible, I still don’t want to see this yellow highlight with some obsessive-compulsive disorder. I didn't find any useful information on Baidu, but I still found some answers using Google.

Analysis

The complete description of Field can be converted to a local variable is (pure hand-touch):

This inspection searches for redundant class fields that can be replaced with
 local variables,if all local usages of a field are preceded by assignments to 
that field,the field can be removed and its usages replaced with local variables.

It means that if this variable is detected, it can be replaced by a local variable. It is recommended to delete and write it as a local variable.

Solution

deleteprivate XXX XXX; This sentence is directly declared and instantiated where it is used.

existAndroid Studio for Mac You can directly use the shortcut key alt + enter to quickly convert it into local variables.

PS: You still need to be better in English. In fact, you can understand by reading the instructions. You don’t need to search this way to understand.

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