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The topic FAQ will summarize the most recently asked questions about the Android SDK.

How can I change the ESnap box size? JAVA C++

The ESnap box size is a system controlled value and can be changed via C++ as follow:

GetFxSystemServices()->GetHostAppServices()->setDYNASNAPSIZE( YOUR_DYNASNAPSIZE );


Note: The ESnap box size varies with the display resolution to the Android device. We recommend to update the value YOUR_DYNASNAPSIZE with the Android display metrics and apply the correct device dependent multiplier. This ensure the ESnap box will have the same size on all devices.

Resources res = m_ARES.getResources();
int iDynsnapSize = (int) TypedValue.applyDimension(
TypedValue.COMPLEX_UNIT_DIP, YOUR_DYNASNAPSIZE, res.getDisplayMetrics() );


Database values like PDSIZE and PDMODE can be changed via C++ as follow:

ACTIVE_DOCUMENT()->GetFxDatabase()->setPDSIZE( YOUR_PDSIZE );
ACTIVE_DOCUMENT()->GetFxDatabase()->setPDMODE( YOUR_PDMODE );


Hint: Use ARES Commander to get the correct values you want to use inside your mobile application.

How can I load custom fonts? JAVA

The CFxARESInstanceDelegate offers a method getFontsPath() that allows the host application to load its own fonts. Overwriting (@Override) the method will make the kernel SDK read the fonts location from the host application. The fonts path returned must point to an existing and accessible location on the device. 

public class ARESDelegate extends CFxARESInstanceDelegate
{
...
  @Override
  public String getFontsPath()
  {
    // Returns the path with custom fonts folder.
    // The path should contain custum fonts and 'fontConfig.xml' file which tells ARES instance what fonts to load.
    // 'fontConfig.xml' supports two configuration options:
    // 1. Substitution. User defines a set of fonts which should be used instead of the missing one.
    //    In the example Arimo fonts substitute Arial font family.
    //    <family name="Arial">
    //        <style filename="Arimo-Regular.ttf" />
    //        <style filename="Arimo-Italic.ttf" />
    //        <style filename="Arimo-Bold.ttf" />
    //        <style filename="Arimo-BoldItalic.ttf" />
    //    </family>
    // 2. Direct font loading. User specifies the filename to be loaded. In this case ARES will parse the font file and load
    //    everything as is.
    //    <fontfile filename="msgothic.ttc"/>
    //    <fontfile filename="msmincho.ttc"/>
    //
    return "assets:/Fonts/";
  }
...
}


The kernel SDK also expects to read a special XML file (fontConfig.xml) from this location. This file is treated as some sort of index and specifies what fonts are loaded and which fonts are supposed to substitute missing fonts. So make sure both the fontConfig.xml and all referenced fonts exist inside the device location.

Hint: The sample application DWG Editor uses this concept.

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