MvpBasePresenter

java.lang.Object
- com.cheetahdigital.uikit.architecture.mvp.MvpBasePresenter<V>

All Implemented Interfaces:

MvpPresenter<V>
```
public class MvpBasePresenter<V extends MvpView>
extends java.lang.Object
implements MvpPresenter<V>
```
A base implementation of a MvpPresenter that uses a WeakReference for referring to the attached view.
You should always check isViewAttached() to check if the view is attached to this presenter before calling getView() to access the view.

Since:

1.0.0

Constructor Summary

Constructors
Constructor Description

MvpBasePresenter()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`attachView(V view)`	Set or attach the view to this presenter
`void`	`detachView(boolean retainInstance)`	Will be called if the view has been destroyed.
`protected V`	`getView()`	Get the attached view.
`protected boolean`	`isViewAttached()`	Checks if a view is attached to this presenter.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - MvpBasePresenter
```
public MvpBasePresenter()
```
- Method Detail
  - attachView
```
public void attachView(V view)
```
    Description copied from interface: MvpPresenter
    
    Set or attach the view to this presenter
    
    Specified by:
    
    attachView in interface MvpPresenter<V extends MvpView>
    
    Parameters:
    
    view - where presenter is attached
  - getView
```
protected V getView()
```
    Get the attached view. You should always call isViewAttached() to check if the view is attached to avoid NullPointerExceptions.
    
    Returns:
    
    null, if view is not attached, otherwise the concrete view instance
  - isViewAttached
```
protected boolean isViewAttached()
```
    Checks if a view is attached to this presenter. You should always call this method before calling getView() to get the view instance.
    
    Returns:
    
    true if view is attached, else false
  - detachView
```
public void detachView(boolean retainInstance)
```
    Description copied from interface: MvpPresenter
    
    Will be called if the view has been destroyed. Typically this method will be invoked from Activity.detachView() or Fragment.onDestroyView()
    
    Specified by:
    
    detachView in interface MvpPresenter<V extends MvpView>
    
    Parameters:
    
    retainInstance - flag used to retain instance