O le savedInstanceState o se fa'asinomaga i se mea fa'apipi'i e tu'u atu i le onCreate metotia o Gaioiga Android uma. O gaioiga e iai le malosi, i lalo o tulaga faʻapitoa, e toe faʻafoʻi ai i latou lava i se tulaga muamua e faʻaaoga ai faʻamaumauga o loʻo teuina i totonu o lenei fusi.
What is use of onSaveInstanceState in Android?
The onSaveInstanceState() method allows you to add key/value pairs to the outState of the app. Then the onRestoreInstanceState() method will allow you to retrieve the value and set it back to the variable from which it was originally collected.
How do you save a fragment state?
The state types mentioned in the table are as follows:
- Variables: local variables in the fragment.
- View State: any data that is owned by one or more views in the fragment.
- SavedState: data inherent to this fragment instance that should be saved in onSaveInstanceState() .
30 nov Tes 2020
E fa'afefea ona ou fa'aoga onStart ile Android?
onStart ()
- A amata ona faʻaalia le gaioiga i le tagata faʻaoga ona valaau lea onStart().
- E valaʻau lenei pe a maeʻa le onCreate() i le taimi muamua faʻalauiloa gaioiga.
- Pe a faʻalauiloa le gaioiga, muamua le onCreate() method call ona onStart() ma onResume().
- Afai o le gaioiga o loʻo i le onPause() tulaga e le o vaʻaia e le tagata faʻaoga.
O le a le faʻaogaina o le onCreate metotia i le Android?
onCreate(savedInstanceState); valaau le metotia i le superclass ma faʻasaoina InstanceState o le gaioiga pe a iai se mea e faʻaleagaina ai le gaioiga ina ia faʻasaoina i instanceState pe a toe faʻaleleia le gaioiga o le a tutusa muamua.
What is bundle class in Android?
Android Bundle e fa'aoga e pasi fa'amatalaga i le va o gaioiga. O tau e tatau ona pasia e fa'afanua i ki String lea e fa'aaoga mulimuli ane i le isi gaioiga e toe aumai ai fa'atauga. O lo'o mulimuli mai itū'aiga tetele e pasi/toe aumai i/mai se Fa'aputuga.
O afea e valaʻau ai le auala onPause i le Android?
onTaofi. Vala'au pe a va'aia pea se vaega o le Gaoioiga, ae masalo o lo'o alu ese le tagata fa'aoga mai lau Gaoioiga atoa (o le mea lea o le a toe vala'au ai onStop). Mo se fa'ata'ita'iga, pe a ta'i e le tagata fa'aoga le fa'amau Fale, e vala'au le faiga ile Ta'oto ma onStop ile fa'asologa vave i lau Gaoioiga.
E fa'afefea ona e faia se vaega?
Ina ia fatuina se Pepa avanoa, faʻalautele le app> java i le Poloketi: Android view, filifili le faila o loʻo i ai le Java code mo lau app, ma filifili File> Fou> Fragment> Fragment (Blank).
What is a fragment state?
O se Fragment o lo'o fa'atusalia se vaega e mafai ona toe fa'aogaina o le UI a lau app. O se vaega e fa'amatala ma fa'atautaia lana lava fa'atulagaina, e iai lana lava fa'asologa o le olaga, ma e mafai ona fa'atautaia ana lava mea e fai. O fasi vaega e le mafai ona ola na o latou-e tatau ona talimalo i se gaioiga poʻo se isi vaega.
How do I save my savedInstanceState data?
This method is called after onStart().
onSaveInstanceState(savedInstanceState); // Restore UI state using savedInstanceState. Using this way you can save all the states and other data variables that could be lost on screen rotation or when the current activity goes into the background.
O le a le auala onStart i le Android?
onStart(): O lenei metotia e taʻua pe a faʻaalia se gaioiga i le tagata faʻaoga ma valaʻau i luga ole onCreate. onResume (): E valaʻau aʻo leʻi amata ona fegalegaleai le tagata faʻaoga ma le talosaga. ... onDestroy (): E valaʻau pe a faʻamalo le gaioiga mai le faʻapipiʻi talosaga.
E fa'afefea ona e tapeina se gaioiga?
Tatala lau talosaga, tatala se Gaoioiga fou, fai se galuega. Ki'i le fa'amau Home (o le talosaga o le a i tua, i le tulaga taofi). Fasi le Talosaga - auala sili ona faigofie o le kiliki i le mumu "taofi" faamau i le Android Studio. Toe fo'i i lau talosaga (fa'alauiloa mai Recent apps).
O le a le eseesega i le va o le onCreate ma le onStart Android?
onCreate() e valaʻau i le taimi na amata ai le gaioiga. onStart() e valaʻau pe a faʻaalia le gaioiga i le tagata faʻaoga.
O le a le faʻaogaina o SetContentView i le Android?
SetContentView o loʻo faʻaaogaina e faʻatumu ai le faamalama i le UI o loʻo tuʻuina atu mai le faila faila i totonu o le setContentView(R. layout. somae_file). O iinei o le layoutfile o loʻo faʻatuputeleina e vaʻaia ma faʻaopoopo i le Activity context(Window).
O le a le matafaioi o le gaioiga i le Android?
I lenei auala, o le gaioioiga e fai ma nofoaga e ulufale ai mo le fegalegaleaiga a le app ma le tagata faʻaoga. E te fa'atinoina se gaioioiga e fai ma va'aiga laititi o le vasega Gaoioiga. O se gaioiga e maua ai le faamalama e tosoina ai e le app lona UI. … E masani lava, e tasi le gaioiga e faʻatinoina le tasi lau i totonu o se app.
E fa'afefea ona ou fa'aogaina le getIntent ile Android?
e mafai ona e toe maua mai nei faʻamatalaga e faʻaaoga ai le getIntent i le gaioiga fou: Intent intent = getIntent(); fa'amoemoe. getExtra(“someKey”) … O lea, e le mo le taulimaina o faamatalaga toe faafoi mai se Gaoioiga, pei o le onActivityResult, ae mo le pasiina o faamatalaga i se Gaoioiga fou.