Android Traditional vs Jetpack in Architecture Components

2018년 11월 24일 GDG DevFest Busan 2018 에서 발표한 내용입니다. 전통적인 방식과 비교하며 Jetpack에 포함된 Architecture Components 라이브러리들을 살펴봅니다.

Transcript

1. ੉थ޹, GDE Android Korea @maryangmin Busan Traditional vs Jetpack Architecture Components
2. ݾର 1. ࣁ࣌ ݾ಴ 2. What is Jetpack? 3. What is Architecture Components? 4. Lifecycle 5. LiveData 6. ViewModel 7. Room 8. Navigation 9. WorkManager 10.DataBinding 11.Paging 12.੿ܻ 13.݃ޖܻ Korea
3. ੉ߣ ࣁ࣌ਸ ా೧ ৈ۞ٜ࠙੉ ঳যщਵݶ જѷח Ѫ ࣁ࣌ ݾ಴ 1.Jetpack੉ ޖ঺ੋо 2.Architecture Componentsо ޖ঺ੋо 3.Architecture Components ппী ؀ೠ ੉೧
4. Jetpack Busan
5. ୹୊: http://magivatech.com/blog/info/android-versions Android OS History ߥॄ 10֙…
6. Support Library New Features ഐജਸ ਤ೧…
7. Support Library com.android.support:appcompat-v7:28.0.0 com.android.support:support-v13:28.0.0 com.android.support:design:28.0.0 com.android.support:recyclerview-v7:28.0.0 com.android.support:preference-v14:28.0.0 com.android.support:preference-leanback-v17:28.0.0 com.android.support:support-vector-drawable:28.0.0
8. Support Library com.android.support:appcompat-v7:28.0.0 com.android.support:support-v13:28.0.0 com.android.support:design:28.0.0 com.android.support:recyclerview-v7:28.0.0 com.android.support:preference-v14:28.0.0 com.android.support:preference-leanback-v17:28.0.0 com.android.support:support-vector-drawable:28.0.0 v7, v13, v14, v17… Recyclerview, Permissions, Notifications… ցޖ ݆੉ ࢤӝҊ ൝ࡸ۰૓ Support Library…
9. Jetpack ೞա۽ ޘ੗!
10. Jetpack ࢎਊبী ٮۄ ޘӝ ୹୊: https://developer.android.com/jetpack/
11. Foundation
12. Architecture
13. Behavior
14. UI
15. Jetpack Package prefix ాੌೞӝ Package prefixܳ androidx۽ ాੌ
16. Jetpack য়ט਷…
17. Architecture Components Busan
18. Architecture Components੉ۆ? জਸ ౡౡೞҊ, పझ౟ оמೞҊ, ਬ૑ࠁࣻ ೞӝ औب۾ ذח ۄ੉࠳۞ܻ ݽ਺ Jetpack੄ ௾ ஠పҊܻ ઺ ೞա ୹୊: https://developer.android.com/topic/libraries/architecture/
19. Architecture Components
20. Lifecycle Busan
21. Lifecycle੉ۆ? Activity,Fragment੄ Lifecycleਸ Wrappingೞৈ ׮ܲ Componentীࢲب Handling ೡ ࣻ ੓ب۾ ೠ׮
22. Lifecycleਸ ঱ઁ ࢎਊೞաਃ? Presenter,ViewModel,LocationListener ١ ৻ࠗীࢲ 1. Lifecycleী ݏ୶য ੘সਸ ࣻ೯ 2. Lifecycleܳ х૑
23. Lifecycle Case Example (1) -Lifecycleী ݏ୶য ੘সਸ ࣻ೯
24. public class BasePresenter { protected CompositeDisposable compositeDisposable; public void onDestroy() { compositeDisposable.dispose(); } } Traditional
25. public class BasePresenter { protected CompositeDisposable compositeDisposable; public void onDestroy() { compositeDisposable.dispose(); } } Traditional
26. public class BasePresenter { protected CompositeDisposable compositeDisposable; public void onDestroy() { compositeDisposable.dispose(); } } Traditional Presenterীࢲ dispose()ܳ Fragment onDestroyী ݏ୶য ࣻ೯೧ঠ ೠ׮
27. public class BasePresenter { protected CompositeDisposable compositeDisposable; public void onDestroy() { compositeDisposable.dispose(); } } public class UsersFragment { @Override public void onDestroy() { presenter.onDestroy(); } } Traditional Presenterীࢲ dispose()ܳ Fragment onDestroyী ݏ୶য ࣻ೯೧ঠ ೠ׮
28. public class BasePresenter { protected CompositeDisposable compositeDisposable; public void onDestroy() { compositeDisposable.dispose(); } } public class UsersFragment { @Override public void onDestroy() { presenter.onDestroy(); } } Traditional Presenterীࢲ dispose()ܳ Fragment onDestroyী ݏ୶য ࣻ೯೧ঠ ೠ׮ ܻ࠙ػ Class੄ ੘সਸ ೞա੄ Lifecycleী ݏ୶য ز੘ೞب۾ ೧ঠೠ׮
29. public class UsersPresenter implements LifecycleObserver { protected CompositeDisposable compositeDisposable; @OnLifecycleEvent(Lifecycle.Event.ON_DESTROY) void onDestroy() { compositeDisposable.dispose(); } } Jetpack
30. public class UsersPresenter implements LifecycleObserver { protected CompositeDisposable compositeDisposable; @OnLifecycleEvent(Lifecycle.Event.ON_DESTROY) void onDestroy() { compositeDisposable.dispose(); } } Jetpack
31. public class UsersPresenter implements LifecycleObserver { protected CompositeDisposable compositeDisposable; @OnLifecycleEvent(Lifecycle.Event.ON_DESTROY) void onDestroy() { compositeDisposable.dispose(); } } Jetpack ৻ࠗ Classীࢲ Lifecycleী ݏ୶য ੘সਸ ࣻ೯ೡ ࣻ ੓׮
32. Lifecycle Case Example (2) -Lifecycleܳ х૑
33. class MyLocationListener { private Lifecycle lifecycle; public MyLocationListener(Lifecycle lifecycle) { this.lifecycle = lifecycle; } public void enable() { if (lifecycle.getCurrentState().isAtLeast(Lifecycle.State.STARTED)) { // connect if not connected } } } Jetpack
34. class MyLocationListener { private Lifecycle lifecycle; public MyLocationListener(Lifecycle lifecycle) { this.lifecycle = lifecycle; } public void enable() { if (lifecycle.getCurrentState().isAtLeast(Lifecycle.State.STARTED)) { // connect if not connected } } } Jetpack Lifecycle Wrapping Class
35. class MyLocationListener { private Lifecycle lifecycle; public MyLocationListener(Lifecycle lifecycle) { this.lifecycle = lifecycle; } public void enable() { if (lifecycle.getCurrentState().isAtLeast(Lifecycle.State.STARTED)) { // connect if not connected } } } Jetpack ৻ࠗ Classীࢲ Lifecycleܳ х૑
36. LiveData Busan
37. LiveData੉ۆ? Lifecycleਸ х૑ೡ ࣻ ੓ח Data Holder Observable
38. LiveDataਸ ঱ઁ ࢎਊೞաਃ? 1. Data झझ۽ Lifecycle х૑ 2. Lifecycleী ٮܲ ݫݽܻܼ ١੄ Observable Side Effect ੗ز ߑ૑
39. LiveData Case Example -Data झझ۽ Lifecycleਸ х૑ೞৈ Side Effect ੗ز ߑ૑
40. public class UsersPresenter extends BasePresenter { private View view; private UserRepository repository; public void listUsers() { repository.listUsers() .observeOn(AndroidSchedulers.mainThread()) .subscribe(users -> { view.onListUsers(users); }); } } Traditional
41. public class UsersPresenter extends BasePresenter { private View view; private UserRepository repository; public void listUsers() { repository.listUsers() .observeOn(AndroidSchedulers.mainThread()) .subscribe(users -> { view.onListUsers(users); }); } } Traditional Observable ࠺زӝ
42. public class UsersPresenter extends BasePresenter { private View view; private UserRepository repository; public void listUsers() { repository.listUsers() .observeOn(AndroidSchedulers.mainThread()) .subscribe(users -> { view.onListUsers(users); }); } } Traditional
43. public class UsersPresenter extends BasePresenter { private View view; private UserRepository repository; public void listUsers() { repository.listUsers() .observeOn(AndroidSchedulers.mainThread()) .subscribe(users -> { view.onListUsers(users); }); } } Traditional ܻࠛӝ ੹ী Viewо Destroy ػ׮ݶ?
44. public class UsersPresenter extends BasePresenter { private View view; private UserRepository repository; private MutableLiveData<List<User>> users = new MutableLiveData<>(); public MutableLiveData<List<User>> getUsers() { return users; } public void listUsers() { repository.listUsers() .observeOn(AndroidSchedulers.mainThread()) .subscribe(users -> { this.users.postValue(users); }); } } Jetpack
45. public class UsersPresenter extends BasePresenter { private View view; private UserRepository repository; private MutableLiveData<List<User>> users = new MutableLiveData<>(); public MutableLiveData<List<User>> getUsers() { return users; } public void listUsers() { repository.listUsers() .observeOn(AndroidSchedulers.mainThread()) .subscribe(users -> { this.users.postValue(users); }); } } Jetpack Observable ࠺زӝ
46. public class UsersPresenter extends BasePresenter { private View view; private UserRepository repository; private MutableLiveData<List<User>> users = new MutableLiveData<>(); public MutableLiveData<List<User>> getUsers() { return users; } public void listUsers() { repository.listUsers() .observeOn(AndroidSchedulers.mainThread()) .subscribe(users -> { this.users.postValue(users); }); } } Jetpack LiveData۽ Dataܳ ֈӟ׮
47. public class UsersFragment extends BaseFragment implements UsersPresenter.View { private void setPresenter() { presenter.getUsers().observe(this, users -> adapter.refresh(users)); presenter.listUsers(); } } Jetpack
48. public class UsersFragment extends BaseFragment implements UsersPresenter.View { private void setPresenter() { presenter.getUsers().observe(this, users -> adapter.refresh(users)); presenter.listUsers(); } } Jetpack Observe
49. public class UsersFragment extends BaseFragment implements UsersPresenter.View { private void setPresenter() { presenter.getUsers().observe(this, users -> adapter.refresh(users)); presenter.listUsers(); } } Jetpack
50. public class UsersFragment extends BaseFragment implements UsersPresenter.View { private void setPresenter() { presenter.getUsers().observe(this, users -> adapter.refresh(users)); presenter.listUsers(); } } Jetpack Lifecycle
51. public class UsersFragment extends BaseFragment implements UsersPresenter.View { private void setPresenter() { presenter.getUsers().observe(this, users -> adapter.refresh(users)); presenter.listUsers(); } } Jetpack Users Dataо झझ۽ Lifecycleਸ х૑ Viewо Destroy غݶ observeܳ ੗زਵ۽ Րח׮
52. ViewModel Busan
53. ViewModel੉ۆ? Scope ղীࢲ Lifecycleী ৔ೱ߉૑ ঋח Data Holder
54. ViewModel੉ۆ? MVVM੄ ViewModelҗ ׮ܵפ׮! Scope ղীࢲ Lifecycleী ৔ೱ߉૑ ঋח Data Holder
55. ViewModelਸ ঱ઁ ࢎਊೞաਃ? 1. Orientation ١੄ UI ߸ചীب Dataܳ ਬ૑ 2. ೞա੄ ചݶীࢲ ৈ۞ Component р Dataܳ औѱ ҕਬ
56. ViewModel Case Example (1) -Orientation ١੄ UI ߸ചীب Dataܳ ਬ૑
57. public class UsersFragment extends BaseFragment implements UsersPresenter.View { @Override public void onActivityCreated(@Nullable Bundle savedInstanceState) { presenter = new UsersPresenter(this); presenter.listUsers(); } } Traditional
58. public class UsersFragment extends BaseFragment implements UsersPresenter.View { @Override public void onActivityCreated(@Nullable Bundle savedInstanceState) { presenter = new UsersPresenter(this); presenter.listUsers(); } } Traditional
59. public class UsersFragment extends BaseFragment implements UsersPresenter.View { @Override public void onActivityCreated(@Nullable Bundle savedInstanceState) { presenter = new UsersPresenter(this); presenter.listUsers(); } } Traditional Orientation ഥ੹ द ੤ࢤࢿ ߂ ੤ਃ୒
60. public class UsersFragment extends BaseFragment implements UsersPresenter.View { private void setPresenter() { presenter = ViewModelProviders.of(activity).get(UsersPresenter.class); presenter.listUsers(); } } Jetpack
61. public class UsersFragment extends BaseFragment implements UsersPresenter.View { private void setPresenter() { presenter = ViewModelProviders.of(activity).get(UsersPresenter.class); presenter.listUsers(); } } Jetpack
62. public class UsersFragment extends BaseFragment implements UsersPresenter.View { private void setPresenter() { presenter = ViewModelProviders.of(activity).get(UsersPresenter.class); presenter.listUsers(); } } Jetpack activity scope ղীࢲ э਷ ё୓ ߈ജ
63. public class UsersFragment extends BaseFragment implements UsersPresenter.View { private void setPresenter() { presenter = ViewModelProviders.of(activity).get(UsersPresenter.class); presenter.listUsers(); } } Jetpack Orientation ഥ੹ೞৈب э਷ Presenter ё୓ীࢲ ੤ਃ୒ ߑ૑
64. ViewModel Case Example (2) -ೞա੄ ചݶীࢲ ৈ۞ Component р Dataܳ औѱ ҕਬ
65. TypeFragment DisplayFragment onClick द ੑ۱ೠ Stringਸ DisplayFragmentী ୹۱ Fragment р Data ҕਬ
66. public class MemoTypeFragment extends BaseFragment { private void setButton() { btnConfirm.setOnClickListener(v -> { MemoActivity activity = ((MemoActivity) getActivity()); activity.showMemo(inputText.getText().toString()); }); } } public class MemoActivity extends BaseActivity { public void showMemo(String memo) { displayFragment.showMemo(memo); } } public class MemoDisplayFragment extends BaseFragment { public void showMemo(String memo) { txtMemo.setText(memo); } } Traditional
67. public class MemoTypeFragment extends BaseFragment { private void setButton() { btnConfirm.setOnClickListener(v -> { MemoActivity activity = ((MemoActivity) getActivity()); activity.showMemo(inputText.getText().toString()); }); } } public class MemoActivity extends BaseActivity { public void showMemo(String memo) { displayFragment.showMemo(memo); } } public class MemoDisplayFragment extends BaseFragment { public void showMemo(String memo) { txtMemo.setText(memo); } } Traditional
68. public class MemoTypeFragment extends BaseFragment { private void setButton() { btnConfirm.setOnClickListener(v -> { MemoActivity activity = ((MemoActivity) getActivity()); activity.showMemo(inputText.getText().toString()); }); } } public class MemoActivity extends BaseActivity { public void showMemo(String memo) { displayFragment.showMemo(memo); } } public class MemoDisplayFragment extends BaseFragment { public void showMemo(String memo) { txtMemo.setText(memo); } } Traditional
69. public class MemoTypeFragment extends BaseFragment { private void setButton() { btnConfirm.setOnClickListener(v -> { MemoActivity activity = ((MemoActivity) getActivity()); activity.showMemo(inputText.getText().toString()); }); } } public class MemoActivity extends BaseActivity { public void showMemo(String memo) { displayFragment.showMemo(memo); } } public class MemoDisplayFragment extends BaseFragment { public void showMemo(String memo) { txtMemo.setText(memo); } } Traditional
70. public class MemoTypeFragment extends BaseFragment { private void setButton() { btnConfirm.setOnClickListener(v -> { MemoActivity activity = ((MemoActivity) getActivity()); activity.showMemo(inputText.getText().toString()); }); } } public class MemoActivity extends BaseActivity { public void showMemo(String memo) { displayFragment.showMemo(memo); } } public class MemoDisplayFragment extends BaseFragment { public void showMemo(String memo) { txtMemo.setText(memo); } } Traditional ࠗݽ Activityܳ Ѣ୛ Dataܳ ੹׳
71. public class MemoTypeFragment extends BaseFragment { private void setButton() { viewModel = ViewModelProviders.of(activity).get(MemoViewModel.class); btnConfirm.setOnClickListener(v -> viewModel.setMemo(inputText.getText().toString())); } } public class MemoViewModel extends ViewModel { private MutableLiveData<String> memo = new MutableLiveData<>(); public void setMemo(String memo) { this.memo.postValue(memo); } } public class MemoDisplayFragment extends BaseFragment { public void onActivityCreated(@Nullable Bundle savedInstanceState) { viewModel = ViewModelProviders.of(activity).get(MemoViewModel.class); viewModel.getMemo().observe(this, memo -> txtMemo.setText(memo)); } } Jetpack
72. public class MemoTypeFragment extends BaseFragment { private void setButton() { viewModel = ViewModelProviders.of(activity).get(MemoViewModel.class); btnConfirm.setOnClickListener(v -> viewModel.setMemo(inputText.getText().toString())); } } public class MemoViewModel extends ViewModel { private MutableLiveData<String> memo = new MutableLiveData<>(); public void setMemo(String memo) { this.memo.postValue(memo); } } public class MemoDisplayFragment extends BaseFragment { public void onActivityCreated(@Nullable Bundle savedInstanceState) { viewModel = ViewModelProviders.of(activity).get(MemoViewModel.class); viewModel.getMemo().observe(this, memo -> txtMemo.setText(memo)); } } Jetpack
73. public class MemoTypeFragment extends BaseFragment { private void setButton() { viewModel = ViewModelProviders.of(activity).get(MemoViewModel.class); btnConfirm.setOnClickListener(v -> viewModel.setMemo(inputText.getText().toString())); } } public class MemoViewModel extends ViewModel { private MutableLiveData<String> memo = new MutableLiveData<>(); public void setMemo(String memo) { this.memo.postValue(memo); } } public class MemoDisplayFragment extends BaseFragment { public void onActivityCreated(@Nullable Bundle savedInstanceState) { viewModel = ViewModelProviders.of(activity).get(MemoViewModel.class); viewModel.getMemo().observe(this, memo -> txtMemo.setText(memo)); } } Jetpack
74. public class MemoTypeFragment extends BaseFragment { private void setButton() { viewModel = ViewModelProviders.of(activity).get(MemoViewModel.class); btnConfirm.setOnClickListener(v -> viewModel.setMemo(inputText.getText().toString())); } } public class MemoViewModel extends ViewModel { private MutableLiveData<String> memo = new MutableLiveData<>(); public void setMemo(String memo) { this.memo.postValue(memo); } } public class MemoDisplayFragment extends BaseFragment { public void onActivityCreated(@Nullable Bundle savedInstanceState) { viewModel = ViewModelProviders.of(activity).get(MemoViewModel.class); viewModel.getMemo().observe(this, memo -> txtMemo.setText(memo)); } } Jetpack
75. public class MemoTypeFragment extends BaseFragment { private void setButton() { viewModel = ViewModelProviders.of(activity).get(MemoViewModel.class); btnConfirm.setOnClickListener(v -> viewModel.setMemo(inputText.getText().toString())); } } public class MemoViewModel extends ViewModel { private MutableLiveData<String> memo = new MutableLiveData<>(); public void setMemo(String memo) { this.memo.postValue(memo); } } public class MemoDisplayFragment extends BaseFragment { public void onActivityCreated(@Nullable Bundle savedInstanceState) { viewModel = ViewModelProviders.of(activity).get(MemoViewModel.class); viewModel.getMemo().observe(this, memo -> txtMemo.setText(memo)); } } Jetpack э਷ activity scopeীࢲ ೞա੄ ViewModel ё୓۽ Dataܳ ੹׳
76. Room Busan
77. Room੉ۆ? SQLiteܳ औѱ ࢎਊೞӝ ਤೠ ORM
78. Roomਸ ঱ઁ ࢎਊೞաਃ? SQLiteܳ औѱ ࢎਊ
79. Traditional SQLite
80. Traditional SQLite ׮ܖӝ ݒ਋ য۵׮
81. @Entity public class User { @PrimaryKey private long id; private String name; @ColumnInfo(name = "avatar_url") private String avatarUrl; @ColumnInfo(name = "created_at") private Date createdAt; @ColumnInfo(name = "updated_at") private Date updatedAt; } Jetpack
82. @Entity public class User { @PrimaryKey private long id; private String name; @ColumnInfo(name = "avatar_url") private String avatarUrl; @ColumnInfo(name = "created_at") private Date createdAt; @ColumnInfo(name = "updated_at") private Date updatedAt; } Jetpack Annotationਵ۽ ప੉࠶ ੿੄
83. @Dao public interface UserDao { @Query("SELECT * FROM user") Observable<List<User>> listUsers(); @Query("SELECT * FROM user WHERE id = :userId") User getUser(long userId); @Insert long insert(User user); @Update void update(User user); @Delete void delete(User user); } Jetpack
84. @Dao public interface UserDao { @Query("SELECT * FROM user") Observable<List<User>> listUsers(); @Query("SELECT * FROM user WHERE id = :userId") User getUser(long userId); @Insert long insert(User user); @Update void update(User user); @Delete void delete(User user); } Jetpack Annotationਵ۽ Query ੿੄
85. @Dao public interface UserDao { @Query("SELECT * FROM user") Observable<List<User>> listUsers(); @Query("SELECT * FROM user WHERE id = :userId") User getUser(long userId); @Insert long insert(User user); @Update void update(User user); @Delete void delete(User user); } Jetpack Rx, LiveData ૑ਗ
86. Navigation Busan
87. Navigation੉ۆ? Navigationਸ ࢸ҅ೞҊ, ࢸ҅ী ٮۄ ҳഅೡ ࣻ ੓ب۾ ೠ׮
88. Navigationਸ ঱ઁ ࢎਊೞաਃ? 1. Navigationਸ दпചೞৈ ࢸ҅ 2. Argumentsܳ উ੹ೞѱ ੹׳ 3. Deeplinkܳ ࢸ҅
89. Navigation Case Example (1) -Navigationਸ दпചೞৈ ࢸ҅
90. startActivity(new Intent(context, MemoActivity.class)); FragmentTransaction transaction = getSupportFragmentManager().beginTransaction(); transaction.add(R.id.box_fragment, UserFragment.newInstance(user.getName())); transaction.commit(); Traditional
91. Jetpack Navigation
92. <navigation android:id="@+id/nav_graph" app:startDestination="@id/usersFragment"> <fragment android:id="@+id/usersFragment" android:name="com.maryang.jetpack.ui.users.UsersFragment" android:label="@string/users_title"> <action android:id="@+id/action_usersFragment_to_userFragment" app:destination="@id/userFragment" /> </fragment> </navigation> Jetpack
93. <navigation android:id="@+id/nav_graph" app:startDestination="@id/usersFragment"> <fragment android:id="@+id/usersFragment" android:name="com.maryang.jetpack.ui.users.UsersFragment" android:label="@string/users_title"> <action android:id="@+id/action_usersFragment_to_userFragment" app:destination="@id/userFragment" /> </fragment> </navigation> Jetpack Destination
94. <navigation android:id="@+id/nav_graph" app:startDestination="@id/usersFragment"> <fragment android:id="@+id/usersFragment" android:name="com.maryang.jetpack.ui.users.UsersFragment" android:label="@string/users_title"> <action android:id="@+id/action_usersFragment_to_userFragment" app:destination="@id/userFragment" /> </fragment> </navigation> Jetpack Action
95. Navigation.findNavController(v).navigate( UsersFragmentDirections.actionUsersFragmentToUserFragment(user.getName())); Jetpack
96. Navigation.findNavController(v).navigate( UsersFragmentDirections.actionUsersFragmentToUserFragment(user.getName())); Jetpack ࢸ҅೧֬਷ Action
97. Navigation.findNavController(v).navigate( UsersFragmentDirections.actionUsersFragmentToUserFragment(user.getName())); Jetpack ࢸ҅ܳ प೯
98. Navigation Case Example (2) -Argumentsܳ উ੹ೞѱ ੹׳
99. FragmentTransaction transaction = getSupportFragmentManager().beginTransaction(); transaction.add(R.id.box_fragment, UserFragment.newInstance(user.getName())); transaction.commit(); String userName = getArguments().getString(User.INTENT_KEY); txtName.setText(userName); Traditional
100. FragmentTransaction transaction = getSupportFragmentManager().beginTransaction(); transaction.add(R.id.box_fragment, UserFragment.newInstance(user.getName())); transaction.commit(); String userName = getArguments().getString(User.INTENT_KEY); txtName.setText(userName); Traditional ݽഐೠ String Key Type Require Type Casting
101. <navigation android:id="@+id/nav_graph" app:startDestination="@id/usersFragment"> <fragment android:id="@+id/userFragment" android:name="com.maryang.jetpack.ui.user.UserFragment" android:label=“@string/user_title" > <argument android:name="username" app:argType="string" /> </fragment> </navigation> Jetpack
102. <navigation android:id="@+id/nav_graph" app:startDestination="@id/usersFragment"> <fragment android:id="@+id/userFragment" android:name="com.maryang.jetpack.ui.user.UserFragment" android:label=“@string/user_title" > <argument android:name="username" app:argType="string" /> </fragment> </navigation> Jetpack Argument ੿੄
103. Navigation.findNavController(v).navigate( UsersFragmentDirections.actionUsersFragmentToUserFragment(user.getName())); UserFragmentArgs args = UserFragmentArgs.fromBundle(getArguments()); txtName.setText(args.getUsername()); Jetpack
104. Navigation.findNavController(v).navigate( UsersFragmentDirections.actionUsersFragmentToUserFragment(user.getName())); UserFragmentArgs args = UserFragmentArgs.fromBundle(getArguments()); txtName.setText(args.getUsername()); Jetpack ࢸ҅೧֬਷ Argumentܳ Constructor/Setter۽ ੹׳
105. Navigation.findNavController(v).navigate( UsersFragmentDirections.actionUsersFragmentToUserFragment(user.getName())); UserFragmentArgs args = UserFragmentArgs.fromBundle(getArguments()); txtName.setText(args.getUsername()); Jetpack ࢸ҅೧֬਷ Argumentܳ Args Wrapping Class۽ ߉ӝ
106. WorkManager Busan
107. WorkManager੉ۆ? OS ߡ੹ী ࢚ҙহ੉ ࠁܨ оמೠ ࠺زӝ ੘সਸ झநે݂ ೠ׮
108. WorkManager੉ۆ? OS ߡ੹ী ࢚ҙহ੉ ࠁܨ оמೠ ࠺زӝ ੘সਸ झநે݂ ೠ׮ ex) ইஜ 9दী ୽੹ ઺੉ۄݶ জਸ সؘ੉౟ ೞৈۄ…
109. Traditional Scheduling JobScheduler, Firebase JobDispatcher, AlarmManager
110. Traditional Scheduling JobScheduler, Firebase JobDispatcher, AlarmManager OS ߡ੹ী ٮۄ ѐߊ੗о ੸੺൤ ഝਊ
111. Jetpack Scheduling
112. Only WorkManager! Jetpack Scheduling
113. JobScheduler, Firebase JobDispatcher, AlarmManager ղࠗ੸ਵ۽ ঌইࢲ ੸੺൤ ࢎਊ Jetpack Scheduling Only WorkManager!
114. DataBinding Busan
115. DataBinding੉ۆ? Application ۽૒җ Layoutਸ Binding
116. <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:text=“@{user.firstName}" /> <Button android:layout_width="wrap_content" android:layout_height=“wrap_content" android:onClick=“@{()->viewmodel.onClickLogin()}" />
117. <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:text=“@{user.firstName}" /> <Button android:layout_width="wrap_content" android:layout_height=“wrap_content" android:onClick=“@{()->viewmodel.onClickLogin()}" />
118. DataBindingਸ ঱ઁ ࢎਊೞաਃ? Presenter Layerо Viewী ੄ઓೞ૑ ঋب۾ ೞӝ ਤ೧
119. ୹୊: https://medium.com/@jsuch2362/android-%EC%97%90%EC%84%9C-mvvm-%EC%9C%BC%EB%A1%9C-%EA%B8%B4-%EC%97%AC%EC%A0%95%EC%9D%84-82494151f312 DataBindingਸ ঱ઁ ࢎਊೞաਃ? Presenter Layerо Viewী ੄ઓೞ૑ ঋب۾ ೞӝ ਤ೧ DataBindingਵ۽ ViewModel੉ Viewܳ ݽܰب۾ ೠ׮
120. Paging Busan
121. Paging੉ۆ? List Data Paging Loadܳ औѱ ب৬ષ
122. Paging੄ ޙઁ੼ Roomҗ ೣԋ ॳ૑ ঋਵݶ উएਕਃ
123. ੿ܻ Busan
124. ୹୊: http://magivatech.com/blog/info/android-versions Android OS History ߥॄ 10֙…
125. Support Library com.android.support:appcompat-v7:28.0.0 com.android.support:support-v13:28.0.0 com.android.support:design:28.0.0 com.android.support:recyclerview-v7:28.0.0 com.android.support:preference-v14:28.0.0 com.android.support:preference-leanback-v17:28.0.0 com.android.support:support-vector-drawable:28.0.0 v7, v13, v14, v17… Recyclerview, Permissions, Notifications… ցޖ ݆੉ ࢤӝҊ ൝ࡸ۰૓ Support Library…
126. Jetpack ೞա۽ ޘ੗!
127. Jetpack Architecture Components
128. Architecture Components੉ۆ? জਸ ౡౡೞҊ, పझ౟ оמೞҊ, ਬ૑ࠁࣻ ೞӝ औب۾ ذח ۄ੉࠳۞ܻ ݽ਺ Jetpack੄ ௾ ஠పҊܻ ઺ ೞա ୹୊: https://developer.android.com/topic/libraries/architecture/
129. Architecture Components
130. Architecture Components ই૒ ࠛউ੿೧ਃ
131. ݃ޖܻ Busan
132. Jetpack਷ ԙ ॄঠ ೞաਃ?
133. ইפਃ!
134. അ੤੄ ҳઑо ఍఍ೞ׮ݶ Ҷ੉ ࢎਊೞ૑ ঋইب ҡଳ׮
135. Jetpack਷ о੉٘ੌ ࡺ੉ীਃ пп ৵ ١੢ೞ৓ח૑ ੜ ੉೧ೞҊ ੗ӝজ੄ ࢚ടী ݏѱ ਽ਊ೤द׮
136. Jetpack: https://developer.android.com/jetpack/ Architecture Components: https://developer.android.com/topic/libraries/architecture/ Sample Code: https://github.com/maryangmin/GDG-Flux-Redux-MVI Reference
137. хࢎ೤פ׮! ੉थ޹, GDE Android Korea @maryangmin Busan
138. Q&A Busan