save images to external storage instead of internal. this requires more permissions. fixed #150 fixed #177 fixed #333 - this might need some more polish though

AndroidManifest.xml

@@ -8,6 +8,8 @@
         android:minSdkVersion="14"
         android:targetSdkVersion="19" />
 
+    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
+    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
     <uses-permission android:name="android.permission.READ_CONTACTS" />
     <uses-permission android:name="android.permission.READ_PROFILE" />
     <uses-permission android:name="android.permission.INTERNET" />

src/eu/siacs/conversations/entities/Account.java

@@ -20,7 +20,6 @@ import android.content.Context;
 import android.database.Cursor;
 import android.graphics.Bitmap;
 import android.graphics.BitmapFactory;
-import android.net.Uri;
 
 public class Account  extends AbstractEntity{
 	

src/eu/siacs/conversations/persistance/FileBackend.java

@@ -20,6 +20,7 @@ import android.graphics.Matrix;
 import android.graphics.RectF;
 import android.media.ExifInterface;
 import android.net.Uri;
+import android.os.Environment;
 import android.util.Base64;
 import android.util.Base64OutputStream;
 import android.util.Log;
@@ -27,6 +28,7 @@ import android.util.LruCache;
 import eu.siacs.conversations.R;
 import eu.siacs.conversations.entities.Conversation;
 import eu.siacs.conversations.entities.Message;
+import eu.siacs.conversations.services.ImageProvider;
 import eu.siacs.conversations.utils.CryptoHelper;
 import eu.siacs.conversations.xmpp.jingle.JingleFile;
 import eu.siacs.conversations.xmpp.pep.Avatar;
@@ -55,11 +57,11 @@ public class FileBackend {
 		return thumbnailCache;
 	}
 
-	public JingleFile getJingleFile(Message message) {
+	public JingleFile getJingleFileLegacy(Message message) {
-		return getJingleFile(message, true);
+		return getJingleFileLegacy(message, true);
 	}
 
-	public JingleFile getJingleFile(Message message, boolean decrypted) {
+	public JingleFile getJingleFileLegacy(Message message, boolean decrypted) {
 		Conversation conversation = message.getConversation();
 		String prefix = context.getFilesDir().getAbsolutePath();
 		String path = prefix + "/" + conversation.getAccount().getJid() + "/"
@@ -76,7 +78,28 @@ public class FileBackend {
 		}
 		return new JingleFile(path + "/" + filename);
 	}
+	
+	public JingleFile getJingleFile(Message message) {
+		return getJingleFile(message, true);
+	}
 
+	public JingleFile getJingleFile(Message message, boolean decrypted) {
+		StringBuilder filename = new StringBuilder();
+		filename.append(Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES).getAbsolutePath());
+		filename.append("/Conversations/");
+		filename.append(message.getUuid());
+		if ((decrypted) || (message.getEncryption() == Message.ENCRYPTION_NONE)) {
+			filename.append(".webp");
+		} else {
+			if (message.getEncryption() == Message.ENCRYPTION_OTR) {
+				filename.append(".webp");
+			} else {
+				filename.append(".webp.pgp");
+			}
+		}
+		return new JingleFile(filename.toString());
+	}
+	
 	public Bitmap resize(Bitmap originalBitmap, int size) {
 		int w = originalBitmap.getWidth();
 		int h = originalBitmap.getHeight();
@@ -190,8 +213,11 @@ public class FileBackend {
 			throws FileNotFoundException {
 		Bitmap thumbnail = thumbnailCache.get(message.getUuid());
 		if ((thumbnail == null) && (!cacheOnly)) {
-			Bitmap fullsize = BitmapFactory.decodeFile(getJingleFile(message)
+			File file = getJingleFile(message);
-					.getAbsolutePath());
+			if (!file.exists()) {
+				file = getJingleFileLegacy(message);
+			}
+			Bitmap fullsize = BitmapFactory.decodeFile(file.getAbsolutePath());
 			if (fullsize == null) {
 				throw new FileNotFoundException();
 			}
@@ -347,6 +373,15 @@ public class FileBackend {
 		return inSampleSize;
 
 	}
+	
+	public Uri getJingleFileUri(Message message) {
+		File file = getJingleFile(message);
+		if (file.exists()) {
+			return Uri.parse("file://"+file.getAbsolutePath());
+		} else {
+			return ImageProvider.getProviderUri(message);
+		}
+	}
 
 	public class ImageCopyException extends Exception {
 		private static final long serialVersionUID = -1010013599132881427L;

src/eu/siacs/conversations/services/ImageProvider.java

@@ -61,7 +61,7 @@ public class ImageProvider extends ContentProvider {
 			message.setConversation(conversation);
 			conversation.setAccount(account);
 	
-			File file = fileBackend.getJingleFile(message);
+			File file = fileBackend.getJingleFileLegacy(message);
 			pfd = ParcelFileDescriptor.open(file,
 					ParcelFileDescriptor.MODE_READ_ONLY);
 			return pfd;
@@ -110,7 +110,7 @@ public class ImageProvider extends ContentProvider {
 		return 0;
 	}
 	
-	public static Uri getContentUri(Message message) {
+	public static Uri getProviderUri(Message message) {
 		return Uri
 				.parse("content://eu.siacs.conversations.images/"
 						+ message.getConversationUuid()

src/eu/siacs/conversations/ui/adapter/MessageAdapter.java

@@ -52,8 +52,8 @@ public class MessageAdapter extends ArrayAdapter<Message> {
 		if (this.accountBitmap == null) {
 
 			if (getCount() > 0) {
-				this.accountBitmap = getItem(0)
+				this.accountBitmap = getItem(0).getConversation().getAccount()
-						.getConversation().getAccount().getImage(getContext(), 48);
+						.getImage(getContext(), 48);
 			}
 		}
 		return this.accountBitmap;
@@ -237,8 +237,8 @@ public class MessageAdapter extends ArrayAdapter<Message> {
 			@Override
 			public void onClick(View v) {
 				Intent intent = new Intent(Intent.ACTION_VIEW);
-				intent.setDataAndType(ImageProvider.getContentUri(message),
+				intent.setDataAndType(activity.xmppConnectionService
-						"image/*");
+						.getFileBackend().getJingleFileUri(message), "image/*");
 				getContext().startActivity(intent);
 			}
 		});
@@ -249,7 +249,8 @@ public class MessageAdapter extends ArrayAdapter<Message> {
 				Intent shareIntent = new Intent();
 				shareIntent.setAction(Intent.ACTION_SEND);
 				shareIntent.putExtra(Intent.EXTRA_STREAM,
-						ImageProvider.getContentUri(message));
+						activity.xmppConnectionService.getFileBackend()
+								.getJingleFileUri(message));
 				shareIntent.setType("image/webp");
 				getContext().startActivity(
 						Intent.createChooser(shareIntent,
@@ -269,7 +270,7 @@ public class MessageAdapter extends ArrayAdapter<Message> {
 			switch (type) {
 			case SENT:
 				view = (View) activity.getLayoutInflater().inflate(
-						R.layout.message_sent, parent,false);
+						R.layout.message_sent, parent, false);
 				viewHolder.message_box = (LinearLayout) view
 						.findViewById(R.id.message_box);
 				viewHolder.contact_picture = (ImageView) view
@@ -287,7 +288,7 @@ public class MessageAdapter extends ArrayAdapter<Message> {
 				break;
 			case RECIEVED:
 				view = (View) activity.getLayoutInflater().inflate(
-						R.layout.message_recieved, parent,false);
+						R.layout.message_recieved, parent, false);
 				viewHolder.message_box = (LinearLayout) view
 						.findViewById(R.id.message_box);
 				viewHolder.contact_picture = (ImageView) view
@@ -314,7 +315,7 @@ public class MessageAdapter extends ArrayAdapter<Message> {
 				break;
 			case STATUS:
 				view = (View) activity.getLayoutInflater().inflate(
-						R.layout.message_status, parent,false);
+						R.layout.message_status, parent, false);
 				viewHolder.contact_picture = (ImageView) view
 						.findViewById(R.id.message_photo);
 				if (item.getConversation().getMode() == Conversation.MODE_SINGLE) {
@@ -452,7 +453,8 @@ public class MessageAdapter extends ArrayAdapter<Message> {
 
 		public Bitmap get(Contact contact, Context context) {
 			if (!contactBitmaps.containsKey(contact.getJid())) {
-				contactBitmaps.put(contact.getJid(), contact.getImage(48, context));
+				contactBitmaps.put(contact.getJid(),
+						contact.getImage(48, context));
 			}
 			return contactBitmaps.get(contact.getJid());
 		}