thoerup/side9/PictureView.java

package dk.thoerup.side9;


import java.util.ArrayList;

import android.app.Activity;
import android.content.Intent;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.net.Uri;
import android.os.Bundle;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.view.MotionEvent;
import android.view.View;
import android.widget.ImageView;
import android.widget.TextView;

public class PictureView extends Activity {
        final static int CONTEXT_VIEWIMG = 1000;

        final static String TAG = "Side9Pigen";
        
        TextView mDescription;
        TextView mCaption;
        ImageView mImageView;
        ArrayList<ImageEntry> mImages;
        int mIndex;
        
        
        Bitmap mBitmap;
        
        @SuppressWarnings("unchecked")
        @Override
        public void onCreate(Bundle savedInstanceState) {
                super.onCreate(savedInstanceState);
                setContentView(R.layout.pictureview);
                
                mImages = (ArrayList<ImageEntry>) getIntent().getSerializableExtra("images");
                mIndex = getIntent().getIntExtra("index", 0);
                
                
                mImageView = (ImageView) findViewById(R.id.imageview);
                mImageView.setOnTouchListener( new Touch() );
                
                mCaption = (TextView) findViewById(R.id.caption);
                mDescription = (TextView) findViewById(R.id.description);
                
                
                loadImage();
                
        }
        
        
        private void loadImage(int newIndex) {
                Log.e(TAG, "NewIndex " + newIndex);
                if (newIndex != mIndex) {
                        mIndex = newIndex;
                        loadImage();
                }
        }
        
        private void loadImage() {
                ImageEntry currentImage = mImages.get(mIndex);
                mBitmap = BitmapFactory.decodeFile( currentImage.path );
                mImageView.setImageBitmap(mBitmap);             
                                                
                
                if (currentImage.caption.length() > 0) {                        
                        mCaption.setVisibility(View.VISIBLE);
                        mCaption.setText(currentImage.caption);
                } else {
                        mCaption.setVisibility(View.INVISIBLE);
                }

                String pathParts[] = currentImage.path.split("/");
                String fileName = pathParts[ pathParts.length -1];
                String desc = "" + (mIndex +1) + "/" + mImages.size() + " - " + fileName;
                mDescription.setText(desc);             
        }
        

        @Override
        public boolean onCreateOptionsMenu(Menu menu) {
                MenuItem item = menu.add(Menu.NONE, CONTEXT_VIEWIMG, Menu.NONE, "Built-in viewer");
                item.setIcon( android.R.drawable.ic_menu_gallery);
                return true;
        }


        @Override
        public boolean onOptionsItemSelected(MenuItem item) {
                boolean res;
                
                switch(item.getItemId()) {
                case CONTEXT_VIEWIMG:
                String uri = "file://" + mImages.get(mIndex).path;
                
                Intent i = new Intent(Intent.ACTION_VIEW);
                i.setDataAndType(Uri.parse(uri), "image/jpeg");
                startActivity(i);
                res = true;
                break;
        default:
                res = super.onOptionsItemSelected(item);
                }
                
                return res;
        }

        class Touch implements View.OnTouchListener {

                Float firstX = null;
                
                
                @Override
                public boolean onTouch(View v, MotionEvent event) {
                        if (event.getAction() == MotionEvent.ACTION_DOWN) {
                                firstX = event.getX();
                        } else {
                                if (firstX != null) {
                                        float x = event.getX();                                 
                                        float diff = firstX - x;                                        
                                        
                                        if (diff > 150) {
                                                int newIndex = Math.min(mIndex+1, mImages.size() -1);                                                                           
                                                loadImage(newIndex);
                                                firstX = null;
                                                return false;
                                        }
                                        
                                        if (diff < -150) {
                                                int newIndex = Math.max(mIndex-1, 0);                                           
                                                loadImage(newIndex);
                                                firstX = null;
                                                return false;
                                        }
                                }       
                        }
                        
                        return true;
                }
                
        }
}
1	torben	925	package dk.thoerup.side9;
2
3	torben	1185
4	torben	925	import java.util.ArrayList;
5
6			import android.app.Activity;
7	torben	926	import android.content.Intent;
8	torben	925	import android.graphics.Bitmap;
9			import android.graphics.BitmapFactory;
10	torben	926	import android.net.Uri;
11	torben	925	import android.os.Bundle;
12			import android.util.Log;
13	torben	926	import android.view.Menu;
14			import android.view.MenuItem;
15	torben	925	import android.view.MotionEvent;
16			import android.view.View;
17			import android.widget.ImageView;
18			import android.widget.TextView;
19
20			public class PictureView extends Activity {
21	torben	926	final static int CONTEXT_VIEWIMG = 1000;
22	torben	925
23			final static String TAG = "Side9Pigen";
24
25			TextView mDescription;
26			TextView mCaption;
27			ImageView mImageView;
28	torben	1187	ArrayList<ImageEntry> mImages;
29	torben	925	int mIndex;
30
31
32			Bitmap mBitmap;
33
34			@SuppressWarnings("unchecked")
35			@Override
36			public void onCreate(Bundle savedInstanceState) {
37			super.onCreate(savedInstanceState);
38			setContentView(R.layout.pictureview);
39
40	torben	1187	mImages = (ArrayList<ImageEntry>) getIntent().getSerializableExtra("images");
41	torben	925	mIndex = getIntent().getIntExtra("index", 0);
42
43
44			mImageView = (ImageView) findViewById(R.id.imageview);
45			mImageView.setOnTouchListener( new Touch() );
46	torben	926
47			mCaption = (TextView) findViewById(R.id.caption);
48	torben	925	mDescription = (TextView) findViewById(R.id.description);
49
50	torben	926
51	torben	925	loadImage();
52
53			}
54
55	torben	926
56
57	torben	925	private void loadImage(int newIndex) {
58			Log.e(TAG, "NewIndex " + newIndex);
59			if (newIndex != mIndex) {
60			mIndex = newIndex;
61			loadImage();
62			}
63			}
64
65			private void loadImage() {
66	torben	1187	ImageEntry currentImage = mImages.get(mIndex);
67	torben	1185	mBitmap = BitmapFactory.decodeFile( currentImage.path );
68	torben	925	mImageView.setImageBitmap(mBitmap);
69	torben	1185
70	torben	925
71	torben	1185	if (currentImage.caption.length() > 0) {
72	torben	925	mCaption.setVisibility(View.VISIBLE);
73	torben	1185	mCaption.setText(currentImage.caption);
74	torben	925	} else {
75			mCaption.setVisibility(View.INVISIBLE);
76			}
77	torben	1185
78			String pathParts[] = currentImage.path.split("/");
79			String fileName = pathParts[ pathParts.length -1];
80	torben	1187	String desc = "" + (mIndex +1) + "/" + mImages.size() + " - " + fileName;
81	torben	1185	mDescription.setText(desc);
82	torben	925	}
83
84	torben	926
85	torben	925
86	torben	926	@Override
87			public boolean onCreateOptionsMenu(Menu menu) {
88			MenuItem item = menu.add(Menu.NONE, CONTEXT_VIEWIMG, Menu.NONE, "Built-in viewer");
89			item.setIcon( android.R.drawable.ic_menu_gallery);
90			return true;
91			}
92
93
94
95			@Override
96			public boolean onOptionsItemSelected(MenuItem item) {
97			boolean res;
98
99			switch(item.getItemId()) {
100			case CONTEXT_VIEWIMG:
101	torben	1187	String uri = "file://" + mImages.get(mIndex).path;
102	torben	926
103			Intent i = new Intent(Intent.ACTION_VIEW);
104			i.setDataAndType(Uri.parse(uri), "image/jpeg");
105			startActivity(i);
106			res = true;
107			break;
108			default:
109			res = super.onOptionsItemSelected(item);
110			}
111
112			return res;
113			}
114
115	torben	925	class Touch implements View.OnTouchListener {
116
117			Float firstX = null;
118
119
120			@Override
121			public boolean onTouch(View v, MotionEvent event) {
122			if (event.getAction() == MotionEvent.ACTION_DOWN) {
123			firstX = event.getX();
124			} else {
125			if (firstX != null) {
126			float x = event.getX();
127			float diff = firstX - x;
128
129			if (diff > 150) {
130	torben	1187	int newIndex = Math.min(mIndex+1, mImages.size() -1);
131	torben	925	loadImage(newIndex);
132			firstX = null;
133			return false;
134			}
135
136			if (diff < -150) {
137			int newIndex = Math.max(mIndex-1, 0);
138			loadImage(newIndex);
139			firstX = null;
140			return false;
141			}
142			}
143			}
144
145			return true;
146			}
147
148			}
149			}