Author: Pawe Gowacki
The lifecycle of a mobile app is more complex and different from a desktop app. On a mobile device an application runs either in the foreground or in the background. When a phone calls arrive or when user opens another app, our app is going to background. If you are a programmer, you might be interested in responding to changes in the application state, for example saving…
Author: Joshua P7819
Jeff Overcash, TeamB member and the maintainer of the InterBase Express Components (IBX) for the past 13.5 years, has created a Delphi wrapper unit for Android text to speech functionality. Jeff has also created a simple demo example that allows you to…
Author: Vsevolod L1433
You’re asking about app size? Not a news. Since Delphi 1 people’re asking “why Windows calculator is 33 kb, while Delphi version of the same exe is 300 kb”? Then and now it’s a question not about technology. Are you…
Author: J T403
Printing from an Android device requires a little bit more setup than in iOS where you simply connect to an AirPrint capable printer (like my Epson XP-400). However, Android printing appears to work with any Wifi printer (or PC connected printer), so its more flexible. Basically, it consists of three steps.
First, download and install Google CloudPrint onto your device.
Second…
Author: Vsevolod L1433
I’ve got a task of cloning FireMonkey objects. Let it be “chess”. An object is created as an aggregate in design-time. Look at the picture in the Structure pane. I have made the composite pawn model and start thinking of make 15…
Author: Сергей
One of small but rather useful new features of FireMonkey introduced in XE3 version is the FMX.Types.ITextSettings interface. Often we need to change some parameters of an output text for a component, which class is not known a priori. For example, a…
Author: Craig Stuntz
YAML’s security risks are in no way limited to Rails or Ruby. YAML documents should be treated as executable code and firewalled accordingly. Deserializing arbitrary types is user-controlled, arbitrary code execution.
It’s Not Just Ruby
A few weeks ago, I had a need to parse Jasmine’s jasmine.yml in some C# code. I spent some time looking at existing YAML…
Author: Pawe Gowacki
It seems that it is my very first post in the New Year 2013, so I wish You all the best and great time writing all kinds of programs. I’m sure it is going to be a great year for Delphi and Marco is predicting it as well, especially that next month…
Author: Jim T1392
The adapter components TListBindSourceAdapter and TObjectBindSourceAdapter enable LiveBindings with user defined TObjects.
Here is a user defined TObject for example.
type
TContact = class
private
FFirstName: string;
FLastName: string;
…
Author: Jayme Jeffman Filho
You have probably iterated through the Components array many many times as a Delphi developer.
Consider this simple application:
It’s probably no surprise that listing the Components of the form like this…
procedure TForm2.Button1Click(Sender: TObject);
var
i: Integer;
begin
Memo2.Lines.Clear;
for i := 0 to ComponentCount-1 do
…
