Handle input method visibility | Android Developers

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When input focus moves into or out of an editable text field, Android shows or hides the input method (such as the on-screen keyboard) as appropriate. 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Thesystemalsomakesdecisionsabout howyourUIandthetextfieldappearabovetheinputmethod.Forexample,whenthevertical spaceonthescreenisconstrained,thetextfieldmightfillallspaceabovetheinputmethod. Formostapps,thesedefaultbehaviorsareallthat'sneeded. Insomecases,though,youmightwanttomoredirectlycontrol thevisibilityoftheinputmethodandspecifyhowyou'dlikeyourlayouttoappear whentheinputmethodisvisible.Thislessonexplainshowtocontrolandrespondto theinputmethodvisibility. Showtheinputmethodwhentheactivitystarts AlthoughAndroidgivesfocustothefirsttextfieldinyourlayout whentheactivitystarts,itdoesnotshowtheinputmethod.Thisbehaviorisappropriatebecause enteringtextmightnotbetheprimarytaskintheactivity.However,ifentering textisindeedtheprimarytask(suchasinaloginscreen),thenyouprobablywant theinputmethodtoappearbydefault. Toshowtheinputmethodwhenyouractivitystarts,addtheandroid:windowSoftInputModeattributetotheelementwiththe "stateVisible"value.Forexample: ... ... Note:Iftheuser'sdevicehasanattachedhardwarekeyboard, thesoftinputmethoddoesnotappear. Showtheinputmethodondemand Ifthereisamethodinyouractivity'slifecyclewhereyouwanttoensurethat theinputmethodisvisible,youcanusetheInputMethodManager toshowit. Forexample,thefollowingmethodtakesaViewinwhichtheusershouldtype something,callsrequestFocus()togiveitfocus,then showSoftInput()toopen theinputmethod: Kotlin funshowSoftKeyboard(view:View){ if(view.requestFocus()){ valimm=getSystemService(Context.INPUT_METHOD_SERVICE)asInputMethodManager imm.showSoftInput(view,InputMethodManager.SHOW_IMPLICIT) } } Java publicvoidshowSoftKeyboard(Viewview){ if(view.requestFocus()){ InputMethodManagerimm=(InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE); imm.showSoftInput(view,InputMethodManager.SHOW_IMPLICIT); } } Note: Oncetheinputmethodisvisible,youshouldnotprogrammaticallyhideit.Thesystem hidestheinputmethodwhentheuserfinishesthetaskinthetextfieldortheusercanhide itwithasystemcontrol(suchaswiththeBackbutton). SpecifyhowyourUIshouldrespond Whentheinputmethodappearsonthescreen,itreducestheamountofspaceavailable foryourapp'sUI.Thesystemmakesadecisionastohowitshouldadjustthevisibleportion ofyourUI,butitmightnotgetitright.Toensurethebestbehaviorforyourapp, youshouldspecifyhowyou'dlikethesystemtodisplayyourUIintheremainingspace. Todeclareyourpreferredtreatmentinanactivity,usetheandroid:windowSoftInputModeattributeinyourmanifest'selement withoneofthe"adjust"values. Forexample,toensurethatthesystemresizesyourlayouttotheavailablespace—which ensuresthatallofyourlayoutcontentisaccessible(eventhoughitprobablyrequires scrolling)—use"adjustResize": ... ... Youcancombinetheadjustmentspecificationwiththeinitialinputmethodvisibilityspecificationfromabove: ... Specifying"adjustResize"isimportantifyourUIincludescontrolsthatthe usermightneedtoaccessimmediatelyafterorwhileperformingtextinput.Forexample, ifyouusearelativelayouttoplaceabuttonbaratthebottomofthescreen,using "adjustResize"resizesthelayoutsothebuttonbarappearsabovetheinputmethod. Previous arrow_back Specifyingtheinputmethodtype Next Supportingkeyboardnavigation arrow_forward ContentandcodesamplesonthispagearesubjecttothelicensesdescribedintheContentLicense.JavaisaregisteredtrademarkofOracleand/oritsaffiliates. Lastupdated2021-10-27UTC. 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