Camera take picture (#484)

* camera capture

* icon change

* image preview great

* remove string

app/src/main/java/com/bitchat/android/ui/MediaSendingManager.kt

@@ -275,6 +275,9 @@ class MediaSendingManager(
         if (transferId != null) {
             val cancelled = meshService.cancelFileTransfer(transferId)
             if (cancelled) {
+                // Try to remove cached local file for this message (if any)
+                runCatching { findMessagePathById(messageId)?.let { java.io.File(it).delete() } }
+
                 // Remove the message from chat upon explicit cancel
                 messageManager.removeMessageById(messageId)
                 synchronized(transferMessageMap) {
@@ -285,6 +288,20 @@ class MediaSendingManager(
         }
     }
 
+    private fun findMessagePathById(messageId: String): String? {
+        // Search main timeline
+        state.getMessagesValue().firstOrNull { it.id == messageId }?.content?.let { return it }
+        // Search private chats
+        state.getPrivateChatsValue().values.forEach { list ->
+            list.firstOrNull { it.id == messageId }?.content?.let { return it }
+        }
+        // Search channel messages
+        state.getChannelMessagesValue().values.forEach { list ->
+            list.firstOrNull { it.id == messageId }?.content?.let { return it }
+        }
+        return null
+    }
+
     /**
      * Update progress for a transfer
      */