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Implementacja
Material Design
by
na Android Lollipop i starszych
Sylwester Madej
CEO & Head Developer
@smdremedy
sylwester.madej@byoutline.com
byoutline.com
2
Uwaga: zawiera
śladowe ilości
kodu
Material...wow
Android done right
Co nowego?
●
Treść jest najważniejsza
●
Metafora warstw materiału (oś Z, cienie...)
●
Animacje mają za zadanie pokazać powiązania
●
Kolory w paletach mają swoje zadania
Adopcja 5.0
1,6% od premiery 25.06.2014 (Nexus OTA 12.11.2014)
Co z 98,4%
urządzeń?
AppCompat 21 – quick win
Nowy Toolbar w 5 min
android {android {
CompileSdkVersionCompileSdkVersion 2121
defaultConfig {defaultConfig {
TargetSdkVersionTargetSdkVersion 2121
}}
}}
dependencies {dependencies {
compile 'com.android.support:appcompat-v7:compile 'com.android.support:appcompat-v7:21.0.321.0.3''
}}
<style name="Theme.Pinafood" parent="<style name="Theme.Pinafood" parent="Theme.AppCompat.LightTheme.AppCompat.Light">">
Domyślny styl AppCompat.Light
Fajnie, ale jakoś tak smutno
Trochę życia...kolorowanie
Kontrolki obsługiwane przez AppCompat
EditText
Spinner
CheckBox
RadioButton
Switch
CheckedTextView
Reszta wymaga ręcznego stylowania lub użycia bibliotek
np. https://github.com/ZieIony/Carbon
ActionBarDrawerToggle
Zmiana v4 na v7 i usunąć grafikę
Własny Hamburger
Własny Toolbar
android.support.v7.widget.Toolbar – ViewGroup
Można tworzyć własne layouty, dowolnie rozbudowując i umieszczając Toolbar
setSuportActionBar(toolbar)
Problem:
„This Activity already has an action bar supplied by the window decor. Do not request
Window.FEATURE_ACTION_BAR and set windowActionBar to false in your theme to use a
Toolbar instead.”
Rozwiązanie:
Zmienić styl na np. na Theme.AppCompat.Light.NoActionBar
Drawer na wierzchu
Pozycjonowanie Toolbara należy do nas
CardView
android.support.v7.widget.Toolbar – ViewGroup
CardView - problemy
RecyclerView
Nowe podejście do wyświetlania kolekcji
●
Zastępuje ListView, GridView, Gallery
●
Wymusza korzystanie z wzorca ViewHolder
●
Lepsza obsługa wielu typów elementów w jednym adapterze
LayoutManager:
LinearLayoutManager,
StaggeredGridLayoutManager,
GridLayoutManager
Zmiany w kodzie
android.support.v7.widget.RecyclerView zamiast ListView
Poza setAdapter() trzeba wywołać setLayoutManager()
setHasFixedSize(true) //optymalizacja wydajności
Gdzie jest OnItemClickListener?
OnItemClickListener jest problematyczny przy wielu typach elementów,
dlatego implementacja jest po naszej stronie.
SwipeRefreshLayout
Natywne podejście do Pull-to-refresh
●
Dodajemy layout
●
Ustawiamy listener
●
Możemy sobie pokolorować
Smaczki
Palette
Prosty sposób dopasowania kolorów do obrazów
Palette.generateAsync(bitmap, new PaletteListener());Palette.generateAsync(bitmap, new PaletteListener());
Automatyczne przejścia elementów
Działa tylko od API 21
Activity1:Activity1:
ActivityOptionsCompat.makeSceneTransitionAnimation( Pair<View, String>ActivityOptionsCompat.makeSceneTransitionAnimation( Pair<View, String>
//imageView, "SHARED_IMAGE"//imageView, "SHARED_IMAGE"
ActivityCompat.startActivity(this, intent, options .toBundle());ActivityCompat.startActivity(this, intent, options .toBundle());
Activity2:Activity2:
ViewCompat.setTransitionName(imageView, "SHARED_IMAGE" );ViewCompat.setTransitionName(imageView, "SHARED_IMAGE" );
Inne
●
Paralaksa i przewijanie – ObservableScrollView
●
StateListAnimator
●
Ripple effect
Pytania i wasze
doświadczenia?
Sylwester Madej
CEO & Head Developer
@smdremedy
sylwester.madej@byoutline.com
byoutline.com
3
0

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Implementacja Material Design na Android Lollipop i starszych - MTC 2015