common/data/preference/app_preferences
library
Classes
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AppPreferences
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FastList<T>
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GetStream<T>
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GetStream is the lightest and most performative way of working
with events at Dart. You sintaxe is like StreamController, but it works
with simple callbacks. In this way, every event calls only one function.
There is no buffering, to very low memory consumption.
event add will add a object to stream. addError will add a error
to stream. listen is a very light StreamSubscription interface.
Is possible take the last value with value property.
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GetStreamTransformation<T>
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LightSubscription<T>
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MiniStream<T>
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MiniSubscription<T>
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Node<T>
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Obx
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The simplest reactive widget in GetX.
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ObxState
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ObxValue<T extends RxInterface>
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Similar to Obx, but manages a local state.
Pass the initial data in constructor.
Useful for simple local states, like toggles, visibility, themes,
button states, etc.
Sample:
ObxValue((data) => Switch(
value: data.value,
onChanged: (flag) => data.value = flag,
),
false.obs,
),
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ObxWidget
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The ObxWidget is the base for all GetX reactive widgets
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Rx<T>
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Foundation class used for custom
Types outside the common native Dart
types.
For example, any custom "Model" class, like User().obs will use Rx as
wrapper.
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RxBool
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RxDouble
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RxInt
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RxInterface<T>
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This class is the foundation for all reactive (Rx) classes that makes Get
so powerful.
This interface is the contract that _RxImpl]
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RxList<E>
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Create a list similar to
List<T>
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RxMap<K, V>
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Rxn<T>
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RxnBool
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RxnDouble
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RxnInt
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RxnNum
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RxNotifier<T>
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RxnString
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Rx class for
String Type.
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RxNum
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RxSet<E>
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RxString
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Rx class for
String Type.
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Worker
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Workers
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Mixins
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NotifyManager<T>
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RxObjectMixin<T>
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global object that registers against
GetX and Obx, and allows the
reactivity
of those Widgets and Rx values.
Functions
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debounce<T>(RxInterface<T> listener, WorkerCallback<T> callback, {Duration? time, Function? onError, void onDone()?, bool? cancelOnError})
→ Worker
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debounce is similar to interval, but sends the last value.
Useful for Anti DDos, every time the user stops typing for 1 second,
for instance.
When
listener emits the last "value", when time hits,
it calls callback with the last "value" emitted.
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ever<T>(RxInterface<T> listener, WorkerCallback<T> callback, {dynamic condition = true, Function? onError, void onDone()?, bool? cancelOnError})
→ Worker
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Called every time
listener changes. As long as the condition
returns true.
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everAll(List<RxInterface> listeners, WorkerCallback callback, {dynamic condition = true, Function? onError, void onDone()?, bool? cancelOnError})
→ Worker
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Similar to ever, but takes a list of
listeners, the condition
for the callback is common to all listeners,
and the callback is executed to each one of them. The Worker is
common to all, so worker.dispose() will cancel all streams.
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interval<T>(RxInterface<T> listener, WorkerCallback<T> callback, {Duration time = const Duration(seconds: 1), dynamic condition = true, Function? onError, void onDone()?, bool? cancelOnError})
→ Worker
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Ignore all changes in
listener during time (1 sec by default) or until
condition is met (can be a bool expression or a bool Function()),
It brings the 1st "value" since the period of time, so
if you click a counter button 3 times in 1 sec, it will show you "1"
(after 1 sec of the first press)
click counter 3 times in 1 sec, it will show you "4" (after 1 sec)
click counter 2 times in 1 sec, it will show you "7" (after 1 sec).
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once<T>(RxInterface<T> listener, WorkerCallback<T> callback, {dynamic condition = true, Function? onError, void onDone()?, bool? cancelOnError})
→ Worker
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once() will execute only 1 time when condition is met and cancel
the subscription to the listener stream right after that.
condition defines when callback is called, and
can be a bool or a bool Function().
