Added way to remove custom images

app/src/main/java/me/impy/aegis/crypto/KeyInfo.java

@@ -183,13 +183,18 @@ public class KeyInfo implements Serializable {
     }
 
     public void setImage(byte[] image)
+    {
+        if(image != null && !image.equals(""))
         {
             _image = Base64.encodeToString(image, Base64.DEFAULT);
+        } else {
+            _image = null;
+        }
     }
 
     public byte[] getImage()
     {
-        return Base64.decode(_image, Base64.DEFAULT);
+        return _image != null ? Base64.decode(_image, Base64.DEFAULT) : null;
     }
 
     public void setSecret(byte[] secret) {

app/src/main/java/me/impy/aegis/ui/EditProfileActivity.java

@@ -49,6 +49,8 @@ import me.impy.aegis.ui.views.KeyProfile;
 public class EditProfileActivity extends AegisActivity {
     private boolean _isNew = false;
     private boolean _edited = false;
+    private boolean _hasCustomImage = false;
+
     private KeyProfile _profile;
 
     private CircleImageView _iconView;
@@ -131,9 +133,12 @@ public class EditProfileActivity extends AegisActivity {
 
             @Override
             public void afterTextChanged(Editable s) {
+                if(!_hasCustomImage)
+                {
                     TextDrawable drawable = TextDrawableHelper.generate(s.toString(), _iconView);
                     _iconView.setImageDrawable(drawable);
                 }
+            }
         });
 
         ImagePicker imagePicker = ImagePicker.create(EditProfileActivity.this)
@@ -166,7 +171,18 @@ public class EditProfileActivity extends AegisActivity {
 
     private void updateFields() {
         DatabaseEntry entry = _profile.getEntry();
+
+        if (_profile.getEntry().getInfo().getImage() != null)
+        {
+            byte[] imageBytes = _profile.getEntry().getInfo().getImage();
+            Bitmap image = BitmapFactory.decodeByteArray(imageBytes, 0, imageBytes.length);
+            _iconView.setImageBitmap(image);
+            _hasCustomImage = true;
+        }
+        else
+        {
             _iconView.setImageDrawable(_profile.getDrawable(_iconView));
+        }
 
         _textName.setText(entry.getName());
         _textIssuer.setText(entry.getInfo().getIssuer());
@@ -270,6 +286,9 @@ public class EditProfileActivity extends AegisActivity {
                     finish(true);
                 });
                 break;
+            case R.id.action_default_image:
+                _iconView.setImageDrawable(_profile.getDrawable(_iconView));
+                _hasCustomImage = false;
             default:
                 return super.onOptionsItemSelected(item);
         }
@@ -283,6 +302,10 @@ public class EditProfileActivity extends AegisActivity {
         if (_isNew) {
             menu.findItem(R.id.action_delete).setVisible(false);
         }
+        if (!_hasCustomImage) {
+            menu.findItem(R.id.action_default_image).setVisible(false);
+        }
+
         return true;
     }
 
@@ -309,6 +332,7 @@ public class EditProfileActivity extends AegisActivity {
                 public void onClick(View v) {
                     _iconView.setImageBitmap(_kropView.getCroppedBitmap());
                     _kropView.setVisibility(View.GONE);
+                    _hasCustomImage = true;
                 }
             });
         }
@@ -355,11 +379,18 @@ public class EditProfileActivity extends AegisActivity {
             info.setType(type);
             info.setAccountName(_textName.getText().toString());
 
+            if(_hasCustomImage)
+            {
                 ByteArrayOutputStream stream = new ByteArrayOutputStream();
                 drawableToBitmap(_iconView.getDrawable()).compress(Bitmap.CompressFormat.JPEG, 100, stream);
                 byte[] bitmapdata = stream.toByteArray();
 
                 info.setImage(bitmapdata);
+            }
+            else
+            {
+                info.setImage(null);
+            }
         } catch (KeyInfoException e) {
             onError("The entered info is incorrect: " + e.getMessage());
             return false;

app/src/main/java/me/impy/aegis/ui/views/KeyProfileHolder.java

@@ -65,7 +65,7 @@ public class KeyProfileHolder extends RecyclerView.ViewHolder {
             _profileIssuer.setText(" - " + profile.getEntry().getInfo().getIssuer());
         }
 
-        if (profile.getEntry().getInfo().getImage() != null)
+        if (profile.getEntry().getInfo().getImage() != null && !profile.getEntry().getInfo().getImage().equals(""))
         {
             byte[] imageBytes = profile.getEntry().getInfo().getImage();
             Bitmap image = BitmapFactory.decodeByteArray(imageBytes, 0, imageBytes.length);

app/src/main/res/menu/menu_edit.xml

@@ -11,4 +11,9 @@
         android:id="@+id/action_delete"
         android:title="@string/action_delete"
         app:showAsAction="never"/>
+
+    <item
+        android:id="@+id/action_default_image"
+        android:title="@string/action_default_image"
+        app:showAsAction="never"/>
 </menu>

app/src/main/res/values/strings.xml

@@ -3,6 +3,7 @@
     <string name="action_settings">Settings</string>
     <string name="action_import">Import</string>
     <string name="action_delete">Delete</string>
+    <string name="action_default_image">Set default image</string>
     <string name="discard">Discard</string>
     <string name="save">Save</string>
     <string name="title_activity_intro">IntroActivity</string>