Explain size limit for large attachments in toasts.

// FREEBIE

Fixes #2100
Closes #2172

res/values/strings.xml

@@ -89,8 +89,8 @@
     <string name="ConversationActivity_select_contact_info">Select contact info</string>
     <string name="ConversationActivity_compose_message">Compose message</string>
     <string name="ConversationActivity_sorry_there_was_an_error_setting_your_attachment">Sorry, there was an error setting your attachment.</string>
-    <string name="ConversationActivity_sorry_the_selected_video_exceeds_message_size_restrictions">Sorry, the selected video exceeds message size restrictions.</string>
-    <string name="ConversationActivity_sorry_the_selected_audio_exceeds_message_size_restrictions">Sorry, the selected audio exceeds message size restrictions.</string>
+    <string name="ConversationActivity_sorry_the_selected_video_exceeds_message_size_restrictions">Sorry, the selected video exceeds message size restrictions (%1$skB).</string>
+    <string name="ConversationActivity_sorry_the_selected_audio_exceeds_message_size_restrictions">Sorry, the selected audio exceeds message size restrictions (%1$skB).</string>
     <string name="ConversationActivity_recipient_is_not_a_valid_sms_or_email_address_exclamation">Recipient is not a valid SMS or email address!</string>
     <string name="ConversationActivity_message_is_empty_exclamation">Message is empty!</string>
     <string name="ConversationActivity_group_conversation_recipients">Group conversation recipients</string>

src/org/thoughtcrime/securesms/ConversationActivity.java

@@ -827,7 +827,8 @@ public class ConversationActivity extends PassphraseRequiredActionBarActivity
       Log.w("ComposeMessageActivity", e);
     } catch (MediaTooLargeException e) {
       attachmentManager.clear();
-      Toast.makeText(this, R.string.ConversationActivity_sorry_the_selected_video_exceeds_message_size_restrictions,
+      Toast.makeText(this, getString(R.string.ConversationActivity_sorry_the_selected_video_exceeds_message_size_restrictions,
+                                     (Slide.MAX_MESSAGE_SIZE/1024)),
                      Toast.LENGTH_LONG).show();
       Log.w("ComposeMessageActivity", e);
     }
@@ -843,7 +844,8 @@ public class ConversationActivity extends PassphraseRequiredActionBarActivity
       Log.w("ComposeMessageActivity", e);
     } catch (MediaTooLargeException e) {
       attachmentManager.clear();
-      Toast.makeText(this, R.string.ConversationActivity_sorry_the_selected_audio_exceeds_message_size_restrictions,
+      Toast.makeText(this, getString(R.string.ConversationActivity_sorry_the_selected_audio_exceeds_message_size_restrictions,
+                                     (Slide.MAX_MESSAGE_SIZE/1024)),
                      Toast.LENGTH_LONG).show();
       Log.w("ComposeMessageActivity", e);
     }

src/org/thoughtcrime/securesms/mms/Slide.java

@@ -39,7 +39,7 @@ import ws.com.google.android.mms.pdu.PduPart;
 
 public abstract class Slide {
 
-  protected static final int MAX_MESSAGE_SIZE = 280 * 1024;
+  public static final int MAX_MESSAGE_SIZE = 280 * 1024;
 
   protected final PduPart part;
   protected final Context context;