Presenter in MVP (Android)

Presenter.java

package io.mazur.presenter;

import java.io.Serializable;

import io.mazur.view.TestView;

public abstract class Presenter<T extends TestView> implements Serializable {
    /**
     * Transient is a Java keyword which marks a member variable not to be serialized when it is persisted to streams of bytes.
     * When an object is transferred through the network, the object needs to be 'serialized'.
     * Serialization converts the object state to serial bytes.
     */
    protected transient T mView;

    public void onCreateView(T view) {
        mView = view;
    }

    public void onRestoreView(T view) {
        mView = view;
    }

    public T getView() {
        return mView;
    }

    public boolean isViewNotNull() {
        if(mView == null) {
            return false;
        }

        return true;
    }
}