Enhancements #2 and #8

Also added ScaleGestureDetector, if available.
Reorganized example for files and URLs.
Added example pictures.
Updated v4.jar

example/AndroidManifest.xml

@@ -1,14 +1,31 @@
-<?xml version="1.0" encoding="utf-8"?>
-<manifest xmlns:android="http://schemas.android.com/apk/res/android"
-          package="ru.truba.touchgallery">
-    <uses-sdk android:minSdkVersion="4"/>
-    <uses-permission android:name="android.permission.INTERNET" />
-    <application android:icon="@drawable/icon" android:label="@string/app_name">
-        <activity android:name=".GalleryActivity" android:configChanges="orientation">
-            <intent-filter>
-                <action android:name="android.intent.action.MAIN" />
-                <category android:name="android.intent.category.LAUNCHER" />
-            </intent-filter>
-        </activity>
-    </application>
-</manifest>
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="ru.truba.touchgallery" >
+
+    <uses-sdk android:minSdkVersion="4" android:targetSdkVersion="17" />
+
+    <uses-permission android:name="android.permission.INTERNET" />
+
+    <application
+        android:icon="@drawable/icon"
+        android:label="@string/app_name"
+        android:allowBackup="false" >
+        <activity
+            android:name="ru.truba.touchgallery.GalleryUrlActivity"
+            android:configChanges="orientation" >
+        </activity>
+        <activity
+            android:name="ru.truba.touchgallery.GalleryFileActivity"
+            android:configChanges="orientation" >
+        </activity>
+        <activity
+            android:name="ru.truba.touchgallery.MainActivity"
+            android:label="@string/title_activity_main" >
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>

example/lint.xml

@@ -0,0 +1,3 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<lint>
+</lint>

example/project.properties

@@ -1,4 +1,4 @@
 # This file is automatically generated by IntelliJ IDEA
 # Project target.
-target=android-8
+target=android-17
 android.library.reference.1=../library

example/res/layout/activity_main.xml

@@ -0,0 +1,14 @@
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".MainActivity" >
+
+    <TextView
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_centerHorizontal="true"
+        android:layout_centerVertical="true"
+        android:text="@string/hello_world" />
+
+</RelativeLayout>

example/res/menu/activity_main.xml

@@ -0,0 +1,9 @@
+<menu xmlns:android="http://schemas.android.com/apk/res/android" >
+
+    <item
+        android:id="@+id/menu_settings"
+        android:orderInCategory="100"
+        android:showAsAction="never"
+        android:title="@string/menu_settings"/>
+
+</menu>

example/res/values/strings.xml

@@ -1,3 +1,9 @@
-<resources>
-    <string name="app_name">TouchGallery</string>
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+
+    <string name="app_name">TouchGallery</string>
+    <string name="hello_world">Hello world!</string>
+    <string name="menu_settings">Settings</string>
+    <string name="title_activity_main">Main Activity</string>
+
 </resources>

example/src/ru/truba/touchgallery/GalleryFileActivity.java

@@ -0,0 +1,76 @@
+/*
+ Copyright (c) 2012 Roman Truba
+
+ Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated
+ documentation files (the "Software"), to deal in the Software without restriction, including without limitation
+ the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to
+ permit persons to whom the Software is furnished to do so, subject to the following conditions:
+
+ The above copyright notice and this permission notice shall be included in all copies or substantial
+ portions of the Software.
+
+ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
+ TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH
+ THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+package ru.truba.touchgallery;
+
+import android.app.Activity;
+import android.os.Bundle;
+import ru.truba.touchgallery.GalleryWidget.FilePagerAdapter;
+import ru.truba.touchgallery.GalleryWidget.GalleryViewPager;
+
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.util.ArrayList;
+import java.util.List;
+
+public class GalleryFileActivity extends Activity {
+
+    private GalleryViewPager mViewPager;
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.main);
+
+        String[] urls = null;
+        List<String> items = new ArrayList<String>();
+		try {
+			urls = getAssets().list("");
+
+	        for (String filename : urls) 
+	        {
+	        	if (filename.matches(".+\\.jpg")) 
+	        	{
+	        		String path = getFilesDir() + "/" + filename;
+	        		copy(getAssets().open(filename), new File(path) );
+	        		items.add(path);
+	        	}
+	        }
+		} catch (IOException e) {
+			e.printStackTrace();
+		}
+
+        FilePagerAdapter pagerAdapter = new FilePagerAdapter(this, items);
+        mViewPager = (GalleryViewPager)findViewById(R.id.viewer);
+        mViewPager.setOffscreenPageLimit(3);
+        mViewPager.setAdapter(pagerAdapter);
+    }
+    public void copy(InputStream in, File dst) throws IOException {
+
+        OutputStream out = new FileOutputStream(dst);
+
+        // Transfer bytes from in to out
+        byte[] buf = new byte[1024];
+        int len;
+        while ((len = in.read(buf)) > 0) {
+            out.write(buf, 0, len);
+        }
+        in.close();
+        out.close();
+    }
+}

example/src/ru/truba/touchgallery/GalleryActivity.java → example/src/ru/truba/touchgallery/GalleryUrlActivity.java

@@ -26,7 +26,7 @@
 import java.util.Collections;
 import java.util.List;
 
-public class GalleryActivity extends Activity {
+public class GalleryUrlActivity extends Activity {
 
     private GalleryViewPager mViewPager;
     public void onCreate(Bundle savedInstanceState) {

example/src/ru/truba/touchgallery/MainActivity.java

@@ -0,0 +1,67 @@
+package ru.truba.touchgallery;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import android.os.Bundle;
+import android.app.ListActivity;
+import android.content.Intent;
+import android.view.View;
+import android.widget.ListAdapter;
+import android.widget.ListView;
+import android.widget.SimpleAdapter;
+
+public class MainActivity extends ListActivity {
+
+	public static final String TITLE = "title";
+	public static final String SUBTITLE = "subtitle";
+
+	@Override
+	protected void onCreate(Bundle savedInstanceState) {
+		super.onCreate(savedInstanceState);
+//		setContentView(R.layout.activity_main);
+
+		setListAdapter(createAdapter());
+	}
+
+	protected Map<String, String> createElement(String title, String subtitle) 
+	{
+		Map<String, String> result = new HashMap<String, String>();
+		result.put(TITLE, title);
+		result.put(SUBTITLE, subtitle);
+		return result;
+	}
+	public List<Map<String, String>> getData() 
+	{
+		List<Map<String, String>> result = new ArrayList<Map<String,String>>();
+		result.add(createElement("Web load", "In this example, you provide list of URLs to display in gallery"));
+		result.add(createElement("Local load", "In this example, you provide list of files  to display in gallery"));
+		return result;
+	}
+	public ListAdapter createAdapter() 
+	{
+		SimpleAdapter adapter = new SimpleAdapter(this, getData(), 
+				android.R.layout.simple_list_item_2, 
+				new String[]{TITLE, SUBTITLE}, 
+				new int[]{android.R.id.text1, android.R.id.text2});
+		return adapter;
+	}
+
+	@Override
+	protected void onListItemClick(ListView l, View v, int position, long id) {
+		Intent i = null;
+		switch (position) 
+		{
+		case 0:
+			i = new Intent(this, GalleryUrlActivity.class);
+			break;
+		case 1:
+			i = new Intent(this, GalleryFileActivity.class);
+			break;
+		}
+		startActivity(i);
+	}
+
+}

library/AndroidManifest.xml

@@ -2,18 +2,9 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
       package="ru.truba.touchgallery"
       android:versionCode="1"
-      android:versionName="1.0">
+      android:versionName="1.1">
 
     <uses-sdk android:minSdkVersion="7"
         android:targetSdkVersion="16" />
 
-    <application android:label="@string/app_name" android:icon="@drawable/ic_launcher">
-        <activity android:name="ACTIVITY_ENTRY_NAME"
-                  android:label="@string/app_name">
-            <intent-filter>
-                <action android:name="android.intent.action.MAIN" />
-                <category android:name="android.intent.category.LAUNCHER" />
-            </intent-filter>
-        </activity>
-    </application>
 </manifest>

library/project.properties

@@ -12,4 +12,4 @@
 
 android.library=true
 # Project target.
-target=android-8
+target=android-17

library/src/ru/truba/touchgallery/GalleryWidget/BasePagerAdapter.java

@@ -0,0 +1,86 @@
+/*
+ Copyright (c) 2012 Roman Truba
+
+ Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated
+ documentation files (the "Software"), to deal in the Software without restriction, including without limitation
+ the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to
+ permit persons to whom the Software is furnished to do so, subject to the following conditions:
+
+ The above copyright notice and this permission notice shall be included in all copies or substantial
+ portions of the Software.
+
+ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
+ TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH
+ THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+package ru.truba.touchgallery.GalleryWidget;
+
+import android.content.Context;
+import android.os.Parcelable;
+import android.support.v4.view.PagerAdapter;
+import android.view.View;
+import android.view.ViewGroup;
+
+import java.util.List;
+
+import ru.truba.touchgallery.TouchView.UrlTouchImageView;
+
+/**
+ Class wraps URLs to adapter, then it instantiates <b>UrlTouchImageView</b> objects to paging up through them.
+ */
+public class BasePagerAdapter extends PagerAdapter {
+
+	protected final List<String> mResources;
+    protected final Context mContext;
+    public BasePagerAdapter()
+    {
+        mResources = null;
+        mContext = null;
+    }
+    public BasePagerAdapter(Context context, List<String> resources)
+    {
+        this.mResources = resources;
+        this.mContext = context;
+    }
+    @Override
+    public void setPrimaryItem(ViewGroup container, int position, Object object) {
+        super.setPrimaryItem(container, position, object);
+        GalleryViewPager galleryContainer = ((GalleryViewPager)container);
+        if (galleryContainer.mCurrentView != null) galleryContainer.mCurrentView.resetScale();
+    }
+
+    @Override
+    public void destroyItem(ViewGroup collection, int position, Object view){
+        collection.removeView((View) view);
+    }
+
+    @Override
+    public int getCount(){
+        return mResources.size();
+    }
+
+    @Override
+    public boolean isViewFromObject(View view, Object object){
+        return view.equals(object);
+    }
+
+    @Override
+    public void finishUpdate(ViewGroup arg0){
+    }
+
+    @Override
+    public void restoreState(Parcelable arg0, ClassLoader arg1){
+    }
+
+    @Override
+    public Parcelable saveState(){
+        return null;
+    }
+
+    @Override
+    public void startUpdate(ViewGroup arg0){
+    }
+
+}