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Android auth-dialog when app starts -


i have questions. i'm trying auth-dialog, user enters pass work app. entered pass store in sharedpreferences. so, 1-st question: right idea security point of view store password in way ?

2nd , main question: dialog must opened when app starts. it's done in oncreate() - method. it's not right, because, example: run app, enter pass, clicked ok-button , dialog closed. when change rotation of screen, dialog opens again, because when rotate screen, activity destroyed , oncreate()-method called again. so, should place code opens auth dialog, open when app starts ?

thanks answers !

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i have questions. i'm trying auth-dialog, user enters pass work app. entered pass store in sharedpreferences. so, 1-st question: right idea security point of view store password in way ?

2nd , main question: dialog must opened when app starts. it's done in oncreate() - method. it's not right, because, example: run app, enter pass, clicked ok-button , dialog closed. when change rotation of screen, dialog opens again, because when rotate screen, activity destroyed , oncreate()-method called again. so, should place code opens auth dialog, open when app starts ?

thanks answers !

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