chen.yy.com.news.activity.ImagesActivity.java Source code

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Here is the source code for chen.yy.com.news.activity.ImagesActivity.java

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/*******************************************************************************
 * Copyright 2011, 2012 Chris Banes.
 *
 * 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 chen.yy.com.news.activity;

import android.os.Bundle;
import android.support.v4.view.PagerAdapter;
import android.support.v4.view.ViewPager;
import android.support.v7.app.AppCompatActivity;
import android.util.Log;
import android.view.View;
import android.view.ViewGroup;
import android.view.ViewGroup.LayoutParams;
import android.widget.TextView;

import com.bumptech.glide.Glide;

import chen.yy.com.news.R;
import chen.yy.com.news.utils.Constants;
import chen.yy.com.news.views.HackyViewPager;
import uk.co.senab.photoview.PhotoView;

public class ImagesActivity extends AppCompatActivity implements View.OnClickListener {
    private static final String TAG = "ImagesActivity";

    private int position;
    private String[] stringArrayExtra;
    private ViewPager mViewPager;
    private TextView mTv_visit;
    private TextView mTv__images_count;

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_view_pager);
        mViewPager = (HackyViewPager) findViewById(R.id.view_pager);
        mTv_visit = (TextView) findViewById(R.id.tv_visit);
        mTv__images_count = (TextView) findViewById(R.id.tv__images_count);
        //      setContentView(mViewPager);
        initData();
        mTv_visit.setOnClickListener(this);

    }

    private void initData() {

        position = getIntent().getIntExtra("position", 0);
        //?
        Log.e(TAG, "initData: " + position);

        stringArrayExtra = getIntent().getStringArrayExtra(Constants.URL);
        if (stringArrayExtra != null) {
            mTv__images_count.setText(position + "/" + stringArrayExtra.length);
            mViewPager.setAdapter(new SamplePagerAdapter(stringArrayExtra));
            mViewPager.setCurrentItem(position);
            mViewPager.addOnPageChangeListener(new ViewPager.OnPageChangeListener() {
                @Override
                public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {

                }

                @Override
                public void onPageSelected(int position) {
                    mTv__images_count.setText(position + "/" + stringArrayExtra.length);
                }

                @Override
                public void onPageScrollStateChanged(int state) {

                }
            });
        }
    }

    @Override
    public void onClick(View v) {
        finish();
    }

    class SamplePagerAdapter extends PagerAdapter {

        private String sDrawables[];

        public SamplePagerAdapter(String[] stringArrayExtra) {
            sDrawables = stringArrayExtra;
        }

        @Override
        public int getCount() {
            return sDrawables.length;
        }

        @Override
        public View instantiateItem(ViewGroup container, int position) {
            PhotoView photoView = new PhotoView(container.getContext());
            Glide.with(ImagesActivity.this).load(sDrawables[position]).into(photoView);

            container.addView(photoView, LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT);

            return photoView;
        }

        @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;
        }

    }
}