12 <concept id="GUID-B02C762B-C452-4184-ABEA-4753E6CD47D2" xml:lang="en"><title>Scalability</title><prolog><metadata><keywords/></metadata></prolog><conbody> |
12 <concept id="GUID-B02C762B-C452-4184-ABEA-4753E6CD47D2" xml:lang="en"><title>Scalability</title><prolog><metadata><keywords/></metadata></prolog><conbody> |
13 <p>The term <i>scalability</i> refers to the ability of an application |
13 <p>The term <i>scalability</i> refers to the ability of an application |
14 UI to function as designed in mobile devices with different screen resolutions |
14 UI to function as designed in mobile devices with different screen resolutions |
15 or orientations. For example, in the figure below, the UI scales to fit both |
15 or orientations. For example, in the figure below, the UI scales to fit both |
16 portrait and landscape orientations.</p> |
16 portrait and landscape orientations.</p> |
17 <fig id="GUID-D889D539-AD96-4E67-A52A-EC14FF98E299"><title>Scaling</title><image href="GUID-A69D2707-CB47-42C2-A6E9-5FB9BD86A30B_d0e46132_href.png"/></fig> |
17 <fig id="GUID-D889D539-AD96-4E67-A52A-EC14FF98E299"><title>Scaling</title><image href="GUID-A69D2707-CB47-42C2-A6E9-5FB9BD86A30B_d0e40575_href.png"/></fig> |
18 <p>When you enable scaling in your application, you allow your application |
18 <p>When you enable scaling in your application, you allow your application |
19 to support the different display sizes, resolutions, and layouts for different |
19 to support the different display sizes, resolutions, and layouts for different |
20 devices based on the Symbian platform. The Symbian platform provides APIs |
20 devices based on the Symbian platform. The Symbian platform provides APIs |
21 and other support to enable scaling in applications. Some scaling issues are |
21 and other support to enable scaling in applications. Some scaling issues are |
22 handled by the application framework if support is enabled, while other issues |
22 handled by the application framework if support is enabled, while other issues |
31 <ul> |
31 <ul> |
32 <li><p>Layout information should not be hard-coded.</p> |
32 <li><p>Layout information should not be hard-coded.</p> |
33 <itemgroup> |
33 <itemgroup> |
34 <p> The Symbian platform provides the <parmname>AknLayoutUtils</parmname> class |
34 <p> The Symbian platform provides the <parmname>AknLayoutUtils</parmname> class |
35 for building layouts from resource files.</p> |
35 for building layouts from resource files.</p> |
36 <p>Note that you also need to <xref href="GUID-DD15F24B-0786-4531-A6C5-A5E70EBE2732.dita">override <parmname>CCoeControl::HandleResourceChange()</parmname> and <parmname>CEikAppUi::HandleResourceChangeL()</parmname></xref> in your |
36 <p>Note that you also need to <xref href="GUID-DD15F24B-0786-4531-A6C5-A5E70EBE2732.dita">override <apiname>CCoeControl::HandleResourceChange()</apiname> and <apiname>CEikAppUi::HandleResourceChangeL()</apiname></xref> in your |
37 application to draw your application again in the event that the orientation |
37 application to draw your application again in the event that the orientation |
38 of the display changes.</p> |
38 of the display changes.</p> |
39 </itemgroup> |
39 </itemgroup> |
40 </li> |
40 </li> |
41 <li><p>Scalable fonts should be used.</p> |
41 <li><p>Scalable fonts should be used.</p> |