diff -r 225179f64fd8 -r 1bbe31e0d707 hedgewars/uMobile.pas
--- a/hedgewars/uMobile.pas	Wed Jun 13 11:18:30 2012 -0400
+++ b/hedgewars/uMobile.pas	Wed Jun 13 23:25:15 2012 +0200
@@ -28,6 +28,7 @@
 interface
 
 function  isPhone: Boolean; inline;
+function  getScreenDPI: Single; inline;
 procedure performRumble; inline;
 
 procedure GameLoading; inline;
@@ -47,6 +48,10 @@
 procedure AudioServicesPlaySystemSound(num: LongInt); cdecl; external;
 {$ENDIF}
 
+{$IFDEF ANDROID}
+function Android_JNI_getDensity(): Single; cdecl; external;
+{$ENDIF}
+
 // this function is just to determine whether we are running on a limited screen device
 function isPhone: Boolean; inline;
 begin
@@ -61,6 +66,15 @@
 {$ENDIF}
 end;
 
+function getScreenDPI: Single; inline;
+begin
+{$IFDEF ANDROID}
+    getScreenDPI:= Android_JNI_getDensity();
+{$ELSE}
+    getScreenDPI:= 1;
+{$ENDIF}
+end;
+
 // this function should make the device vibrate in some way
 procedure PerformRumble; inline;
 {$IFDEF IPHONEOS}const kSystemSoundID_Vibrate = $00000FFF;{$ENDIF}