presenter.BaseViewPagerAdapter.java Source code

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Here is the source code for presenter.BaseViewPagerAdapter.java

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/*
 * Copyright 2015-2016 LuMeng
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package presenter;

import android.content.Context;
import android.support.v4.view.PagerAdapter;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;

import vu.Vu;

/**
 * @author lumeng on 15/12/28.
 */
public abstract class BaseViewPagerAdapter<V extends Vu> extends PagerAdapter {

    protected V vu;

    @Override
    public Object instantiateItem(ViewGroup container, int position) {
        LayoutInflater inflater = (LayoutInflater) container.getContext()
                .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
        try {
            vu = (V) getVuClass().newInstance();
            vu.init(inflater, container);
        } catch (IllegalAccessException e) {
            e.printStackTrace();
        } catch (InstantiationException e) {
            e.printStackTrace();
        }

        onBindItemVu(position);

        container.addView(vu.getView());
        return vu.getView();
    }

    @Override
    public void destroyItem(ViewGroup container, int position, Object object) {
        container.removeView((View) object);
    }

    @Override
    public boolean isViewFromObject(View view, Object object) {
        return view == object;
    }

    protected abstract Class<V> getVuClass();

    protected abstract void onBindItemVu(int position);
}