Android Open Source - bitmapfun Image Detail Activity

• Back to Example/example  ↑

From Project

Back to project page bitmapfun.

License

The source code is released under:

Apache License

Java Source Code

/*
 * Copyright (C) 2012 The Android Open Source Project
 */*w  ww .  ja v  a2  s.c  om*/
 * 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 com.example.android.bitmapfun.util;

import java.util.List;

import android.annotation.TargetApi;
import android.app.ActionBar;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentActivity;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentStatePagerAdapter;
import android.support.v4.app.NavUtils;
import android.support.v4.view.ViewPager;
import android.util.DisplayMetrics;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.WindowManager.LayoutParams;
import android.widget.Toast;

import com.example.android.bitampfun.BuildConfig;
import com.example.android.bitampfun.R;
import com.example.android.bitmapfun.util.ImageFetcher;
import com.example.android.bitmapfun.util.Utils;

public class ImageDetailActivity extends FragmentActivity implements OnClickListener {
    public static final String EXTRA_IMAGE = "extra_image";
    public static final String EXTRA_IMAGE_SET="extra_image_set";
    public static final String DEFAULT_IMAGE_SET="default_iamge_set";

    public static final String URLS="urls";
    public static final String DEFAULT="default";
    private ImagePagerAdapter mAdapter;
    private ViewPager mPager;
    
    public static ImageSet getDefaultImageSet(){
        return ImageSetFactory.getImageSet(DEFAULT_IMAGE_SET);  
    }

    @TargetApi(11)
    @Override
    public void onCreate(Bundle savedInstanceState) {
        if (BuildConfig.DEBUG) {
            Utils.enableStrictMode();
        }
        super.onCreate(savedInstanceState);
        
        setContentView(R.layout.image_detail_pager);

        // Set up ViewPager and backing adapter
        mAdapter = new ImagePagerAdapter(getSupportFragmentManager(), 
            Integer.MAX_VALUE -1);
        mPager = (ViewPager) findViewById(R.id.pager);
        mPager.setAdapter(mAdapter);
        mPager.setPageMargin((int) getResources().getDimension(R.dimen.image_detail_pager_margin));
        mPager.setOffscreenPageLimit(2);

        // Set up activity to go full screen
        getWindow().addFlags(LayoutParams.FLAG_FULLSCREEN);


        // Set the current item based on the extra passed in to this activity
        final int extraCurrentItem = getDefaultImageSet().getFirst();
        if (extraCurrentItem != -1) {
            mPager.setCurrentItem(extraCurrentItem + getDefaultImageSet().size() * 800);
        }
    }

    @Override
    public void onResume() {
        super.onResume();
    }

    @Override
    protected void onPause() {
        super.onPause();
    }

    @Override
    protected void onDestroy() {
        super.onDestroy();
    }

    /**
     * The main adapter that backs the ViewPager. A subclass of FragmentStatePagerAdapter as there
     * could be a large number of items in the ViewPager and we don't want to retain them all in
     * memory at once but create/destroy them on the fly.
     */
    private class ImagePagerAdapter extends FragmentStatePagerAdapter {
        private final int mSize;

        public ImagePagerAdapter(FragmentManager fm, int size) {
            super(fm);
            mSize = size;
        }

        @Override
        public int getCount() {
            return mSize;
        }

        @Override
        public Fragment getItem(int position) {
            return ImageDetailFragment.newInstance(position);
        }
    }

    /**
     * Set on the ImageView in the ViewPager children fragments, to enable/disable low profile mode
     * when the ImageView is touched.
     */
    @TargetApi(11)
    @Override
    public void onClick(View v) {
        final int vis = mPager.getSystemUiVisibility();
        if ((vis & View.SYSTEM_UI_FLAG_LOW_PROFILE) != 0) {
            mPager.setSystemUiVisibility(View.SYSTEM_UI_FLAG_VISIBLE);
        } else {
            mPager.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LOW_PROFILE);
        }
    }
}

Java Source Code List

• Back to Example/example  ↑