Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
Square Fragmentやめるってよ
Search
ninjinkun
October 22, 2014
Programming
13
3.5k
Square Fragmentやめるってよ
『【翻訳】Android Fragmentへの反対声明』の解説
http://ninjinkun.hatenablog.com/entry/2014/10/16/234611
ninjinkun
October 22, 2014
Tweet
Share
More Decks by ninjinkun
See All by ninjinkun
買収から2ヶ月でシステム統合した話
ninjinkun
0
88
Designer's and Engineer's Thinking Styles
ninjinkun
0
200
Launchable Webinar テストを効率化して生産性を上げる方法
ninjinkun
2
550
ディープリンクの 設計と実装 - iOSDC2017
ninjinkun
18
10k
スマートフォンアプリ開発における共創的な開発チーム
ninjinkun
61
19k
ReSwiftでアプリの状態管理 / Reactive Swift Meetup
ninjinkun
9
17k
フリルのアプリ開発今昔物語
ninjinkun
3
2.2k
プロトタイピング合宿によるデザインリニューアル
ninjinkun
1
3.1k
デザイナーが仕事をしやすいアプリエンジニアを考える
ninjinkun
4
660
Other Decks in Programming
See All in Programming
関数型まつりレポート for JuliaTokai #22
antimon2
0
130
統一感のある Go コードを生成 AI の力で手にいれる
otakakot
0
3k
Webからモバイルへ Vue.js × Capacitor 活用事例
naokihaba
0
740
設計やレビューに悩んでいるPHPerに贈る、クリーンなオブジェクト設計の指針たち
panda_program
3
320
DroidKnights 2025 - 다양한 스크롤 뷰에서의 영상 재생
gaeun5744
3
300
レガシーシステムの機能調査・開発におけるAI利活用
takuya_ohtonari
0
610
関数型まつり2025登壇資料「関数プログラミングと再帰」
taisontsukada
2
840
FormFlow - Build Stunning Multistep Forms
yceruto
1
190
Effect の双対、Coeffect
yukikurage
5
1.4k
なぜ「共通化」を考え、失敗を繰り返すのか
rinchoku
1
390
エラーって何種類あるの?
kajitack
5
280
社内での開発コミュニティ活動とモジュラーモノリス標準化事例のご紹介/xPalette and Introduction of Modular monolith standardization
m4maruyama
1
130
Featured
See All Featured
4 Signs Your Business is Dying
shpigford
184
22k
Why You Should Never Use an ORM
jnunemaker
PRO
56
9.4k
The Art of Programming - Codeland 2020
erikaheidi
54
13k
Visualizing Your Data: Incorporating Mongo into Loggly Infrastructure
mongodb
46
9.6k
Rails Girls Zürich Keynote
gr2m
94
14k
Templates, Plugins, & Blocks: Oh My! Creating the theme that thinks of everything
marktimemedia
31
2.4k
The Pragmatic Product Professional
lauravandoore
35
6.7k
KATA
mclloyd
29
14k
Easily Structure & Communicate Ideas using Wireframe
afnizarnur
194
16k
個人開発の失敗を避けるイケてる考え方 / tips for indie hackers
panda_program
107
19k
Speed Design
sergeychernyshev
31
1k
How to Ace a Technical Interview
jacobian
277
23k
Transcript
4RVBSF 'SBHNFOUΊΔͬͯΑ OJOKJOLVO
ʲ༁ʳ"OESPJE'SBHNFOUͷ ର໌ w "EWPDBUJOH"HBJOTU"OESPJE'SBHNFOUT w 4RVBSF͕'SBHNFOUΛΊͨ w ษڧ͕ͯΒ༁ͨ͠ͷͰɺղઆ͠·͢ w !IPUDIFNJ͞Μʹ༁νΣοΫ͖ͯ͠·ͨ͠
IUUQOJOKJOLVOIBUFOBCMPHDPNFOUSZ
'SBHNFOUͷ w ϥΠϑαΠΫϧ͕ෳࡶ w σόοά͕͍͠ w 7JFXͱϏδωεϩδοΫͷ͕ͮ͠Β͍ w ࠶ੜ͕ࠇຐज़
ϥΠϑαΠΫϧ͕ෳࡶ w "DUJWJUZ͔Βड͚ܧ͍ͩϥΠϑαΠΫϧ w "DUJWJUZͱ࿈ܞ͢ΔҝͷϥΠϑαΠΫϧ w 'SBHNFOU5SBOTBDUJPOͱ࿈ܞ͢ΔͨΊ ͷϥΠϑαΠΫϧ
σόοάͷ͠͞ w ελοΫΛ͍ͬͯ͘ͱ'SBHNFOU.BOBHFS*NQM ʹͿ͔ͭͬͯࢮ͵
7JFX$POUSPMMFSͨΓಘΔ͔ w 'SBHNFOU7JFXʹؔ͢ΔϩδοΫ͍ͩͿ࣋ͬͯ ͍Δ w ϏδωεϩδοΫͱ྆ํࠞࡏͯ͠͠·͏
'SBHNFOU5SBOTBDUJPO w DPNNJU͕ඇಉظ w ϝΠϯεϨουͷϋϯυϥΩϡʔͷ͋ͱͰ·ͱΊͯ ࣮ߦ͞ΕΔ w ͙͢ʹ݁ՌΛ͍͍ͨͳΒ FYFDVUF1FOEJOH5SBOTBDUJPOT
'SBHNFOUΛੜ͢Δຐ๏ w 'SBHNFOUϦϑϨΫγϣϯΛͬͯ࠶ੜ͞ΕΔ w ಗ໊ΫϥεͰ'SBHNFOUΛ࡞Δͱɺ0VUFS$MBTTͷ ࢀর͕ͳͯ͘࠶ੜ࣌ʹࢮ͵ w +BWBͷϥΠϑαΠΫϧͱ'SBHNFOUͷϥΠϑαΠΫ ϧ͕ϛεϚον DialogFragment
dialogFragment = new DialogFragment() { @Override public Dialog onCreateDialog(Bundle savedInstanceState) { ... } }; dialogFragment.show(fragmentManager, tag);
ʢิʣ'SBHNFOUΛੜ͢Δຐ๏ w -JTUFOFSอ࣋Ͱ͖ͳ͍ w ͱ௨৴͠Α͏ͱࢥͬͨΒɺʹ-JTUFOFSΛ࣮͢ Δඞཁ͕͋Δ w 'SBHNFOU͔Β"DUJWJUZʹίʔϧόοΫ͢Δํ๏ IUUQZBO[NCMPHTQPUKQGSBHNFOUBDUJWJUZIUNM
public class MainFragment extends Fragment { public interface OnOkBtnClickListener {
public void onOkClicked(); } private OnOkBtnClickListener mListener; public void setOnOkBtnClickListener(OnOkBtnClickListener l) { mListener = l; } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { Button okBtn = new Button(inflater.getContext()); okBtn.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { if(mListener != null) { mListener.onOkClicked(); } } }); return okBtn; } } ࠶ੜ࣌ʹ-JTUFOFS͕ফ͑Δ IUUQZBO[NCMPHTQPUKQGSBHNFOUBDUJWJUZIUNM
public class MainFragment2 extends Fragment { public interface OnOkBtnClickListener {
public void onOkClicked(); } private OnOkBtnClickListener mListener; @Override public void onAttach(Activity activity) { super.onAttach(activity); if (activity instanceof OnOkBtnClickListener == false) { throw new ClassCastException("activity ͕ OnOkBtnClickListener Λ࣮͍ͯ͠·ͤΜ."); } mListener = ((OnOkBtnClickListener) activity); } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { Button okBtn = new Button(inflater.getContext()); okBtn.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { if (mListener != null) { mListener.onOkClicked(); } } }); return okBtn; } }
'SBHNFOU͔ΒֶΜͩ͜ͱ w ୯Ұͷ"DUJWJUZ w ը໘ຖʹ"DUJWJUZΛ͚Δඞཁແ͍ w ΞχϝʔγϣϯͱϥΠϑαΠΫϧ͕؆୯ʹͳΔ
'SBHNFOU͔ΒֶΜͩ͜ͱ w όοΫελοΫ"DUJWJUZಛ༗ͷ֓೦Ͱͳ͍ w "DUJWJUZͷதʹ࣮Ͱ͖Δ
'SBHNFOU͔ΒֶΜͩ͜ͱ w ඞཁͳͷશ෦ॳΊ͔Βἧ͍ͬͯͨ w "DUJWJUZ 7JFX -BZPVU*OqBUPS
ΧελϜϏϡʔ w $POUBJOFSͷಋೖ w ຕͷը໘Λ7JFXͰදݱ͢Δ w 7JFXPS-BZPVUͷαϒΫϥε w 7JFXͱͯ͠ͷׂ όοΫૢ࡞ͷཧ
public class DualPaneContainer extends LinearLayout implements Container { private MyDetailView
detailView; ! public DualPaneContainer(Context context, AttributeSet attrs) { super(context, attrs); } ! @Override protected void onFinishInflate() { super.onFinishInflate(); detailView = (MyDetailView) getChildAt(1); } ! public boolean onBackPressed() { return false; } ! @Override public void showItem(String item) { detailView.setItem(item); } }
public class MainActivity extends Activity { private Container container; !
@Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main_activity); container = (Container) findViewById(R.id.container); } ! public Container getContainer() { return container; } ! @Override public void onBackPressed() { boolean handled = container.onBackPressed(); if (!handled) { finish(); } } }
7JFXͱ1SFTFOUFS w ϏδωεϩδοΫͱ$POUSPMMFSͷ w 1SFTFOUFS w .PEFMΛૢ࡞͢Δ w 7JFXΛૢ࡞͢Δ
ʢิʣ.71ύλʔϯ w .7$ͱͷҧ͍ w $POUSPMMFS͕ϢʔβʔೖྗΛड͚ͱΒͳ͍ w ड͚ͱΔͷ7JFX
public class MyDetailView extends LinearLayout { TextView textView; DetailPresenter presenter;
! public MyDetailView(Context context, AttributeSet attrs) { super(context, attrs); presenter = new DetailPresenter(); } ! @Override protected void onFinishInflate() { super.onFinishInflate(); presenter.setView(this); textView = (TextView) findViewById(R.id.text); findViewById(R.id.button).setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { presenter.buttonClicked(); } }); } ! public void setItem(String item) { textView.setText(item); } }
class EditDiscountPresenter { // ... public void saveDiscount() { EditDiscountView
view = getView(); String name = view.getName(); if (isBlank(name)) { view.showNameRequiredWarning(); return; } if (isNewDiscount()) { createNewDiscountAsync(name, view.getAmount(), view.isPercentage()); } else { updateNewDiscountAsync(discountId, name, view.getAmount(), view.isPercentage()); } close(); } }
OJOKJOLVOࢲݟ w "DUJWJUZͷܽؕʢͱ͍͏͔χʔζʹ߹͍ͬͯͳ͔ͬ ͨͱ͜Ζʣ w "DUJWJUZؒͷૄ݁߹ઃܭ w ը໘લఏ
OJOKJOLVOࢲݟ w "DUJWJUZͷܽΛิ͢ΔͨΊͷ'SBHNFOU w "DUJWJUZͱͷ߹ੑΛऔΖ͏ͱ͗ͯ͢͠ઃܭ͕ෳ ࡶʹͳͬͯ͠·͍ͬͯΔ w 4RVBSF߹ੑΛࣺͯͯɺಠࣗͷεςʔτϑϧੈ քΛߏங͢ΔΞϓϩʔν
OJOKJOLVOࢲݟ w ϖʔδભҠ͢Δ8FCΞϓϦͱ4JOHMF1BHF "QQMJDBUJPOͷؔʹࣅͯΔ w ͳͷͰࢀߟʹͳΔ͜ͱ͋Δ͔
OJOKJOLVOࢲݟ w ฐࣾͰ'SBHNFOUࣺͯͳ͍ w ಠࣗͰੈք؍Λ࡞Δ༨༟ͳ͍ w ͔͠͠'SBHNFOUͷਏ͞ೝ͓͖ࣝͯͩ͘͠ͱࢥ ͏
ձσΟεΧογϣϯ w #BDLTUBDLʹ٧Έ͍ͨͱ͖͚ͩ'SBHNFOUΛ͏ύ λʔϯΛࢼ͍ͯ͠Δํ͕͍Βͬ͠Όͬͨ w $VTUPN7JFXΛͬͱ͏Α͏ʹ͢Ε'SBHNFOU ґଘݮΒͤΔ w 'SBHNFOUʹԿͰॻ͘ͷԿʹͤΑΞϯνύλʔ ϯ
w 1SFTFOUFS'SBHNFOUΛ͍ͬͯͯ༗༻ͦ͏
ձσΟεΧογϣϯ w Ͱ͖Δ͚ͩ"DUJWJUZ͚ͩͰ࡞Δͷํ w "DUJWJUZʹ͍ͭͯ͋·Γέ͕ྑ͘ͳ͔ͬͨ
ձσΟεΧογϣϯ w 'SBHNFOUͷਏ͞ʹ͍ͭͯ݁ߏίϯηϯαε͕औ Εͨͱࢥ͏ w ͦͷลΓΛཧղ্ͨ͠Ͱ͍͖ͬͯ·͠ΐ͏