Fixing the action provider demo

1. Fixed a bug the the way the URI was set to the
   intent.

2. Added code to copy a private raw resource to a
   publicly readable file that is to be shared.

Change-Id: Ib7ee172b2a4a890ce77911d0ef1c3ea3b24e69c9

samples/ApiDemos/src/com/example/android/apis/app/ActionBarActionProviderActivity.java

@@ -17,6 +17,7 @@
 package com.example.android.apis.app;
 
 import android.app.Activity;
+import android.content.Context;
 import android.content.Intent;
 import android.net.Uri;
 import android.os.Bundle;
@@ -24,10 +25,13 @@ import android.view.Menu;
 import android.view.MenuItem;
 import android.widget.ShareActionProvider;
 
-import java.io.File;
-
 import com.example.android.apis.R;
 
+import java.io.FileNotFoundException;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+
 /**
  * This activity demonstrates how to use an {@link android.view.ActionProvider}
  * for adding functionality to the Action Bar. In particular this demo is adding
@@ -36,9 +40,12 @@ import com.example.android.apis.R;
  */
 public class ActionBarActionProviderActivity extends Activity {
 
+    private static final String SHARED_FILE_NAME = "shared.png";
+
     @Override
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
+        copyPrivateRawResuorceToPubliclyAccessibleFile();
     }
 
     @Override
@@ -50,6 +57,8 @@ public class ActionBarActionProviderActivity extends Activity {
         MenuItem actionItem = menu.findItem(R.id.menu_item_share_action_provider_action_bar);
         ShareActionProvider actionProvider = (ShareActionProvider) actionItem.getActionProvider();
         actionProvider.setShareHistoryFileName(ShareActionProvider.DEFAULT_SHARE_HISTORY_FILE_NAME);
+        // Note that you can set/change the intent any time,
+        // say when the user has selected an image.
         actionProvider.setShareIntent(createShareIntent());
 
         // Set file with share history to the provider and set the share intent.
@@ -58,6 +67,8 @@ public class ActionBarActionProviderActivity extends Activity {
             (ShareActionProvider) overflowItem.getActionProvider();
         overflowProvider.setShareHistoryFileName(
             ShareActionProvider.DEFAULT_SHARE_HISTORY_FILE_NAME);
+        // Note that you can set/change the intent any time,
+        // say when the user has selected an image.
         overflowProvider.setShareIntent(createShareIntent());
 
         return true;
@@ -71,8 +82,44 @@ public class ActionBarActionProviderActivity extends Activity {
     private Intent createShareIntent() {
         Intent shareIntent = new Intent(Intent.ACTION_SEND);
         shareIntent.setType("image/*");
-        Uri uri = Uri.fromFile(new File(getFilesDir(), "SomeFileToShare"));
+        Uri uri = Uri.fromFile(getFileStreamPath("shared.png"));
-        shareIntent.putExtra(Intent.EXTRA_STREAM, uri.toString());
+        shareIntent.putExtra(Intent.EXTRA_STREAM, uri);
         return shareIntent;
     }
+
+    /**
+     * Copies a private raw resource content to a publicly readable
+     * file such that the latter can be shared with other applications.
+     */
+    private void copyPrivateRawResuorceToPubliclyAccessibleFile() {
+        InputStream inputStream = null;
+        FileOutputStream outputStream = null;
+        try {
+            inputStream = getResources().openRawResource(R.raw.robot);
+            outputStream = openFileOutput(SHARED_FILE_NAME,
+                    Context.MODE_WORLD_READABLE | Context.MODE_APPEND);
+            byte[] buffer = new byte[1024];
+            int length = 0;
+            try {
+                while ((length = inputStream.read(buffer)) > 0){
+                    outputStream.write(buffer, 0, length);
+                }
+            } catch (IOException ioe) {
+                /* ignore */
+            }
+        } catch (FileNotFoundException fnfe) {
+            /* ignore */
+        } finally {
+            try {
+                inputStream.close();
+            } catch (IOException ioe) {
+               /* ignore */
+            }
+            try {
+                outputStream.close();
+            } catch (IOException ioe) {
+               /* ignore */
+            }
+        }
+    }
 }