thoerup/side9/PictureOverview.java

package dk.thoerup.side9;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.AbsListView;
import android.widget.AdapterView;
import android.widget.GridView;
import android.widget.AdapterView.OnItemClickListener;
import dk.thoerup.androidutils.CheckUpdates;

public class PictureOverview extends Activity {
        final static int MENU_DATE = 0;
        final static int MENU_CAPTION = 1;
        
        int current_order = MENU_DATE;
        
        ImageAdapter mImages;
        
        @Override
        public void onCreate(Bundle savedInstanceState) {
                super.onCreate(savedInstanceState);
                setContentView(R.layout.pictureoverview);
                
                mImages = new ImageAdapter(this);

            GridView gridview = (GridView) findViewById(R.id.gridview);
            gridview.setAdapter(mImages);

            gridview.setOnItemClickListener(new OnItemClickListener() {
                public void onItemClick(AdapterView<?> parent, View v, int position, long id) {
                        
                        Intent i = new Intent(PictureOverview.this, dk.thoerup.side9.PictureView.class);
                        i.putExtra("images", mImages.getImages());
                        i.putExtra("index", position);

                        startActivity(i);
                }
            });
            
            gridview.setOnScrollListener( new ThumbScrollListener() );
            
            
            CheckUpdates update = new CheckUpdates();
            update.checkForUpdates(this, "http://t-hoerup.dk/android/side9/version.txt", "Side 9 Pigen", "http://t-hoerup.dk/android/side9/Side9.apk");
        }
        
        @Override
        public void onDestroy() {
                super.onDestroy();
                mImages.cleanUp();
        }

        @Override
        public boolean onCreateOptionsMenu(Menu menu) {
                menu.add(0,MENU_DATE,0, "Order by date");               
                menu.add(0,MENU_CAPTION,0, "Order by caption");

                return true;
        }
        
        

        @Override
        public boolean onPrepareOptionsMenu(Menu menu) {
                MenuItem item = menu.findItem(MENU_DATE);
                if (current_order == MENU_DATE) 
                        item.setEnabled(false);
                else
                        item.setEnabled(true);
                
                item = menu.findItem(MENU_CAPTION);
                if (current_order == MENU_CAPTION) 
                        item.setEnabled(false);
                else
                        item.setEnabled(true);

                return true;
        }

        @Override
        public boolean onOptionsItemSelected(MenuItem item) {
                switch( item.getItemId() ) {
                case MENU_DATE:
                        mImages.orderByPath();
                        current_order = MENU_DATE;
                        return true;
                case MENU_CAPTION:
                        mImages.orderByCaption();
                        current_order = MENU_CAPTION;
                        return true;
                default:
                        return super.onOptionsItemSelected(item);
                }               
        }

        class ThumbScrollListener implements AbsListView.OnScrollListener {                     
                int prevFirstVisibleItem = 0;
                @Override
                public void onScrollStateChanged(AbsListView view, int scrollState) {
                        // TODO Auto-generated method stub                              
                }
                
                @Override
                public void onScroll(AbsListView view, int firstVisibleItem, int visibleItemCount, int totalItemCount) {

                        if (firstVisibleItem != prevFirstVisibleItem) {
                                prevFirstVisibleItem = firstVisibleItem;
                                mImages.preloadImages(firstVisibleItem + visibleItemCount, 9);
                        }
                }
        }
        
}
1	package dk.thoerup.side9;
2
3	import android.app.Activity;
4	import android.content.Intent;
5	import android.os.Bundle;
6	import android.util.Log;
7	import android.view.Menu;
8	import android.view.MenuItem;
9	import android.view.View;
10	import android.widget.AbsListView;
11	import android.widget.AdapterView;
12	import android.widget.GridView;
13	import android.widget.AdapterView.OnItemClickListener;
14	import dk.thoerup.androidutils.CheckUpdates;
15
16	public class PictureOverview extends Activity {
17	final static int MENU_DATE = 0;
18	final static int MENU_CAPTION = 1;
19
20	int current_order = MENU_DATE;
21
22	ImageAdapter mImages;
23
24	@Override
25	public void onCreate(Bundle savedInstanceState) {
26	super.onCreate(savedInstanceState);
27	setContentView(R.layout.pictureoverview);
28
29	mImages = new ImageAdapter(this);
30
31	GridView gridview = (GridView) findViewById(R.id.gridview);
32	gridview.setAdapter(mImages);
33
34	gridview.setOnItemClickListener(new OnItemClickListener() {
35	public void onItemClick(AdapterView<?> parent, View v, int position, long id) {
36
37	Intent i = new Intent(PictureOverview.this, dk.thoerup.side9.PictureView.class);
38	i.putExtra("images", mImages.getImages());
39	i.putExtra("index", position);
40
41	startActivity(i);
42	}
43	});
44
45	gridview.setOnScrollListener( new ThumbScrollListener() );
46
47
48	CheckUpdates update = new CheckUpdates();
49	update.checkForUpdates(this, "http://t-hoerup.dk/android/side9/version.txt", "Side 9 Pigen", "http://t-hoerup.dk/android/side9/Side9.apk");
50	}
51
52	@Override
53	public void onDestroy() {
54	super.onDestroy();
55	mImages.cleanUp();
56	}
57
58	@Override
59	public boolean onCreateOptionsMenu(Menu menu) {
60	menu.add(0,MENU_DATE,0, "Order by date");
61	menu.add(0,MENU_CAPTION,0, "Order by caption");
62
63	return true;
64	}
65
66
67
68	@Override
69	public boolean onPrepareOptionsMenu(Menu menu) {
70	MenuItem item = menu.findItem(MENU_DATE);
71	if (current_order == MENU_DATE)
72	item.setEnabled(false);
73	else
74	item.setEnabled(true);
75
76	item = menu.findItem(MENU_CAPTION);
77	if (current_order == MENU_CAPTION)
78	item.setEnabled(false);
79	else
80	item.setEnabled(true);
81
82	return true;
83	}
84
85	@Override
86	public boolean onOptionsItemSelected(MenuItem item) {
87	switch( item.getItemId() ) {
88	case MENU_DATE:
89	mImages.orderByPath();
90	current_order = MENU_DATE;
91	return true;
92	case MENU_CAPTION:
93	mImages.orderByCaption();
94	current_order = MENU_CAPTION;
95	return true;
96	default:
97	return super.onOptionsItemSelected(item);
98	}
99	}
100
101	class ThumbScrollListener implements AbsListView.OnScrollListener {
102	int prevFirstVisibleItem = 0;
103	@Override
104	public void onScrollStateChanged(AbsListView view, int scrollState) {
105	// TODO Auto-generated method stub
106	}
107
108	@Override
109	public void onScroll(AbsListView view, int firstVisibleItem, int visibleItemCount, int totalItemCount) {
110
111	if (firstVisibleItem != prevFirstVisibleItem) {
112	prevFirstVisibleItem = firstVisibleItem;
113	mImages.preloadImages(firstVisibleItem + visibleItemCount, 9);
114	}
115	}
116	}
117
118	}