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00012 S60 5th Edition SDK </strong></font></b><br><i>Example Applications Guide</i></td></tr> </table>
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00020 <h1>helloworldbasicappui.cpp</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">
00021
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00033 </span>
00034 <a name="l00015"></a>00015
00035 <a name="l00016"></a>00016 <span class="comment">
00036 <a name="l00017"></a>00017 <span class="preprocessor">#include <avkon.hrh></span>
00037 <a name="l00018"></a>00018 <span class="preprocessor">#include <aknnotewrappers.h></span>
00038 <a name="l00019"></a>00019 <span class="preprocessor">#include <stringloader.h></span>
00039 <a name="l00020"></a>00020 <span class="preprocessor">#include <HelloWorldBasic.rsg></span>
00040 <a name="l00021"></a>00021 <span class="preprocessor">#include <f32file.h></span>
00041 <a name="l00022"></a>00022 <span class="preprocessor">#include <s32file.h></span>
00042 <a name="l00023"></a>00023
00043 <a name="l00024"></a>00024 <span class="preprocessor">#include "HelloWorldBasic.pan"</span>
00044 <a name="l00025"></a>00025 <span class="preprocessor">#include "HelloWorldBasicAppUi.h"</span>
00045 <a name="l00026"></a>00026 <span class="preprocessor">#include "HelloWorldBasicAppView.h"</span>
00046 <a name="l00027"></a>00027 <span class="preprocessor">#include "HelloWorldBasic.hrh"</span>
00047 <a name="l00028"></a>00028 <span class="preprocessor">#include "HelloWorldBasicQueryDialog.h"</span>
00048 <a name="l00029"></a>00029
00049 <a name="l00030"></a>00030 _LIT( KHelloFileName, <span class="stringliteral">"Hello.txt"</span> );
00050 <a name="l00031"></a>00031
00051 <a name="l00032"></a>00032 <span class="comment">
00052 <a name="l00033"></a>00033
00053 <a name="l00034"></a>00034
00054 <a name="l00035"></a>00035 <span class="comment">
00055 <a name="l00036"></a>00036 <span class="comment">
00056 <a name="l00037"></a>00037 <span class="comment">
00057 <a name="l00038"></a>00038 <span class="comment">
00058 <a name="l00039"></a>00039 <span class="comment">
00059 <a name="l00040"></a><a class="code" href="class_c_hello_world_basic_app_ui.html#9ce34ba0b947863222da3c63d0481044">00040</a> <span class="keywordtype">void</span> <a class="code" href="class_c_hello_world_basic_app_ui.html#9ce34ba0b947863222da3c63d0481044">CHelloWorldBasicAppUi::ConstructL</a>()
00060 <a name="l00041"></a>00041 {
00061 <a name="l00042"></a>00042 <span class="comment">
00062 <a name="l00043"></a>00043 BaseConstructL(CAknAppUi::EAknEnableSkin);
00063 <a name="l00044"></a>00044
00064 <a name="l00045"></a>00045 <span class="comment">
00065 <a name="l00046"></a>00046 <span class="comment">
00066 <a name="l00047"></a>00047 <span class="comment">
00067 <a name="l00048"></a>00048 <span class="comment">
00068 <a name="l00049"></a>00049 RFs fsSession;
00069 <a name="l00050"></a>00050 User::LeaveIfError(fsSession.Connect());
00070 <a name="l00051"></a>00051 CleanupClosePushL( fsSession );
00071 <a name="l00052"></a>00052 TInt objectsInStack = 1;
00072 <a name="l00053"></a>00053
00073 <a name="l00054"></a>00054 <span class="preprocessor"> #if defined(__WINS__) || defined(__WINSCW__)</span>
00074 <a name="l00055"></a>00055 <span class="preprocessor"></span> <span class="comment">
00075 <a name="l00056"></a>00056 <span class="comment">
00076 <a name="l00057"></a>00057 <span class="comment">
00077 <a name="l00058"></a>00058 <span class="comment">
00078 <a name="l00059"></a>00059 fsSession.CreatePrivatePath(EDriveC);
00079 <a name="l00060"></a>00060 <span class="preprocessor"> #endif</span>
00080 <a name="l00061"></a>00061 <span class="preprocessor"></span>
00081 <a name="l00062"></a>00062 RFile file;
00082 <a name="l00063"></a>00063
00083 <a name="l00064"></a>00064 <span class="comment">
00084 <a name="l00065"></a>00065 TInt err = file.Replace(fsSession, KHelloFileName, EFileWrite );
00085 <a name="l00066"></a>00066 <span class="keywordflow">if</span> (KErrNone == err)
00086 <a name="l00067"></a>00067 {
00087 <a name="l00068"></a>00068 CleanupClosePushL( file );
00088 <a name="l00069"></a>00069
00089 <a name="l00070"></a>00070 RFileWriteStream outputFileStream( file );
00090 <a name="l00071"></a>00071 CleanupClosePushL( outputFileStream );
00091 <a name="l00072"></a>00072
00092 <a name="l00073"></a>00073 <span class="comment">
00093 <a name="l00074"></a>00074 HBufC* textResource = StringLoader::LoadLC( R_HEWB_FILE_TEXT );
00094 <a name="l00075"></a>00075 objectsInStack += 3; <span class="comment">
00095 <a name="l00076"></a>00076
00096 <a name="l00077"></a>00077 outputFileStream << *textResource;
00097 <a name="l00078"></a>00078 }
00098 <a name="l00079"></a>00079 <span class="keywordflow">else</span>
00099 <a name="l00080"></a>00080 {
00100 <a name="l00081"></a>00081 _LIT(KFileWriteFailed,<span class="stringliteral">"Writing file %S failed: error %d"</span>);
00101 <a name="l00082"></a>00082 CAknWarningNote* note = <span class="keyword">new</span> ( ELeave ) CAknWarningNote(ETrue);
00102 <a name="l00083"></a>00083
00103 <a name="l00084"></a>00084 TBuf<64> text;
00104 <a name="l00085"></a>00085 text.Format(KFileWriteFailed, &KHelloFileName, err);
00105 <a name="l00086"></a>00086 note->ExecuteLD( text );
00106 <a name="l00087"></a>00087 }
00107 <a name="l00088"></a>00088
00108 <a name="l00089"></a>00089 CleanupStack::PopAndDestroy(objectsInStack, &fsSession);
00109 <a name="l00090"></a>00090
00110 <a name="l00091"></a>00091 <span class="comment">
00111 <a name="l00092"></a>00092 <a class="code" href="class_c_hello_world_basic_app_ui.html#45dd0a3e0e75e56b4727a01a8ef2c6b1">iAppView</a> = <a class="code" href="class_c_hello_world_basic_app_view.html#5891ab00f23b517058efe213c1febfd2">CHelloWorldBasicAppView::NewL</a>( ClientRect() );
00112 <a name="l00093"></a>00093
00113 <a name="l00094"></a>00094 }
00114 <a name="l00095"></a>00095 <span class="comment">
00115 <a name="l00096"></a>00096 <span class="comment">
00116 <a name="l00097"></a>00097 <span class="comment">
00117 <a name="l00098"></a>00098 <span class="comment">
00118 <a name="l00099"></a>00099 <span class="comment">
00119 <a name="l00100"></a><a class="code" href="class_c_hello_world_basic_app_ui.html#7125b19ca9ed9c5c28ea07709c9421d7">00100</a> <a class="code" href="class_c_hello_world_basic_app_ui.html#7125b19ca9ed9c5c28ea07709c9421d7">CHelloWorldBasicAppUi::CHelloWorldBasicAppUi</a>()
00120 <a name="l00101"></a>00101 {
00121 <a name="l00102"></a>00102 <span class="comment">
00122 <a name="l00103"></a>00103 }
00123 <a name="l00104"></a>00104
00124 <a name="l00105"></a>00105 <span class="comment">
00125 <a name="l00106"></a>00106 <span class="comment">
00126 <a name="l00107"></a>00107 <span class="comment">
00127 <a name="l00108"></a>00108 <span class="comment">
00128 <a name="l00109"></a>00109 <span class="comment">
00129 <a name="l00110"></a><a class="code" href="class_c_hello_world_basic_app_ui.html#9aa621dc774b9ce3172c03db921996cf">00110</a> <a class="code" href="class_c_hello_world_basic_app_ui.html#9aa621dc774b9ce3172c03db921996cf">CHelloWorldBasicAppUi::~CHelloWorldBasicAppUi</a>()
00130 <a name="l00111"></a>00111 {
00131 <a name="l00112"></a>00112 <span class="keywordflow">if</span> ( <a class="code" href="class_c_hello_world_basic_app_ui.html#45dd0a3e0e75e56b4727a01a8ef2c6b1">iAppView</a> )
00132 <a name="l00113"></a>00113 {
00133 <a name="l00114"></a>00114 <span class="keyword">delete</span> <a class="code" href="class_c_hello_world_basic_app_ui.html#45dd0a3e0e75e56b4727a01a8ef2c6b1">iAppView</a>;
00134 <a name="l00115"></a>00115 <a class="code" href="class_c_hello_world_basic_app_ui.html#45dd0a3e0e75e56b4727a01a8ef2c6b1">iAppView</a> = NULL;
00135 <a name="l00116"></a>00116 }
00136 <a name="l00117"></a>00117 }
00137 <a name="l00118"></a>00118
00138 <a name="l00119"></a>00119 <span class="comment">
00139 <a name="l00120"></a>00120 <span class="comment">
00140 <a name="l00121"></a>00121 <span class="comment">
00141 <a name="l00122"></a>00122 <span class="comment">
00142 <a name="l00123"></a>00123 <span class="comment">
00143 <a name="l00124"></a><a class="code" href="class_c_hello_world_basic_app_ui.html#a682d228622cea7790645ce10f591242">00124</a> <span class="keywordtype">void</span> <a class="code" href="class_c_hello_world_basic_app_ui.html#a682d228622cea7790645ce10f591242">CHelloWorldBasicAppUi::HandleCommandL</a>( TInt aCommand )
00144 <a name="l00125"></a>00125 {
00145 <a name="l00126"></a>00126 <span class="comment">
00146 <a name="l00127"></a>00127 <span class="keywordflow">if</span> (<a class="code" href="class_c_hello_world_basic_app_ui.html#45dd0a3e0e75e56b4727a01a8ef2c6b1">iAppView</a>-><a class="code" href="class_c_hello_world_basic_app_view.html#59cee462c5e06d883260d21037a3ebd7">GetText</a>().Size() > 0)
00147 <a name="l00128"></a>00128 {
00148 <a name="l00129"></a>00129 <a class="code" href="class_c_hello_world_basic_app_ui.html#45dd0a3e0e75e56b4727a01a8ef2c6b1">iAppView</a>-><a class="code" href="class_c_hello_world_basic_app_view.html#59cee462c5e06d883260d21037a3ebd7">GetText</a>().Zero();
00149 <a name="l00130"></a>00130 <a class="code" href="class_c_hello_world_basic_app_ui.html#45dd0a3e0e75e56b4727a01a8ef2c6b1">iAppView</a>->DrawNow();
00150 <a name="l00131"></a>00131 }
00151 <a name="l00132"></a>00132
00152 <a name="l00133"></a>00133 <span class="keywordflow">switch</span>( aCommand )
00153 <a name="l00134"></a>00134 {
00154 <a name="l00135"></a>00135 <span class="keywordflow">case</span> EEikCmdExit:
00155 <a name="l00136"></a>00136 <span class="keywordflow">case</span> EAknSoftkeyExit:
00156 <a name="l00137"></a>00137 Exit();
00157 <a name="l00138"></a>00138 <span class="keywordflow">break</span>;
00158 <a name="l00139"></a>00139
00159 <a name="l00140"></a>00140 <span class="keywordflow">case</span> EHelloWorldBasicCommand1:
00160 <a name="l00141"></a>00141 {
00161 <a name="l00142"></a>00142 <span class="comment">
00162 <a name="l00143"></a>00143 HBufC* textResource = StringLoader::LoadLC( R_HEWB_COMMAND1_TEXT );
00163 <a name="l00144"></a>00144 CAknInformationNote* note = <span class="keyword">new</span> ( ELeave ) CAknInformationNote;
00164 <a name="l00145"></a>00145
00165 <a name="l00146"></a>00146 <span class="comment">
00166 <a name="l00147"></a>00147 <span class="comment">
00167 <a name="l00148"></a>00148 note->ExecuteLD( *textResource );
00168 <a name="l00149"></a>00149
00169 <a name="l00150"></a>00150 <span class="comment">
00170 <a name="l00151"></a>00151 CleanupStack::PopAndDestroy( textResource );
00171 <a name="l00152"></a>00152 }
00172 <a name="l00153"></a>00153 <span class="keywordflow">break</span>;
00173 <a name="l00154"></a>00154
00174 <a name="l00155"></a>00155 <span class="keywordflow">case</span> EHelloWorldBasicCommand2:
00175 <a name="l00156"></a>00156 {
00176 <a name="l00157"></a>00157 RFs fsSession;
00177 <a name="l00158"></a>00158 RFile rFile;
00178 <a name="l00159"></a>00159
00179 <a name="l00160"></a>00160 <span class="comment">
00180 <a name="l00161"></a>00161 User::LeaveIfError(fsSession.Connect());
00181 <a name="l00162"></a>00162 CleanupClosePushL(fsSession);
00182 <a name="l00163"></a>00163
00183 <a name="l00164"></a>00164 <span class="comment">
00184 <a name="l00165"></a>00165 User::LeaveIfError(rFile.Open(fsSession,KHelloFileName, EFileStreamText));
00185 <a name="l00166"></a>00166 CleanupClosePushL(rFile);
00186 <a name="l00167"></a>00167
00187 <a name="l00168"></a>00168 <span class="comment">
00188 <a name="l00169"></a>00169 RFileReadStream inputFileStream(rFile);
00189 <a name="l00170"></a>00170 CleanupClosePushL(inputFileStream);
00190 <a name="l00171"></a>00171
00191 <a name="l00172"></a>00172 <span class="comment">
00192 <a name="l00173"></a>00173 HBufC* fileData = HBufC::NewLC(inputFileStream, 32);
00193 <a name="l00174"></a>00174
00194 <a name="l00175"></a>00175 CAknInformationNote* note = <span class="keyword">new</span> ( ELeave ) CAknInformationNote;
00195 <a name="l00176"></a>00176
00196 <a name="l00177"></a>00177 <span class="comment">
00197 <a name="l00178"></a>00178 note->ExecuteLD( *fileData );
00198 <a name="l00179"></a>00179
00199 <a name="l00180"></a>00180 <span class="comment">
00200 <a name="l00181"></a>00181 <span class="comment">
00201 <a name="l00182"></a>00182 CleanupStack::PopAndDestroy(4, &fsSession);
00202 <a name="l00183"></a>00183 }
00203 <a name="l00184"></a>00184 <span class="keywordflow">break</span>;
00204 <a name="l00185"></a>00185
00205 <a name="l00186"></a>00186 <span class="keywordflow">case</span> EHelloWorldBasicCommand3:
00206 <a name="l00187"></a>00187 {
00207 <a name="l00188"></a>00188 <span class="comment">
00208 <a name="l00189"></a>00189 HBufC* defaultText = StringLoader::LoadLC( R_HEWB_FILE_TEXT );
00209 <a name="l00190"></a>00190
00210 <a name="l00191"></a>00191 <a class="code" href="class_c_hello_world_query_dialog.html">CHelloWorldQueryDialog</a> *dlg = <span class="keyword">new</span> (ELeave)
00211 <a name="l00192"></a>00192 <a class="code" href="class_c_hello_world_query_dialog.html">CHelloWorldQueryDialog</a>( iAppView->GetText(), defaultText );
00212 <a name="l00193"></a>00193
00213 <a name="l00194"></a>00194 dlg->ExecuteLD( R_DIALOG_TEXT_EDIT_QUERY );
00214 <a name="l00195"></a>00195 iAppView->DrawNow();
00215 <a name="l00196"></a>00196
00216 <a name="l00197"></a>00197 <span class="comment">
00217 <a name="l00198"></a>00198 CleanupStack::PopAndDestroy( defaultText );
00218 <a name="l00199"></a>00199 }
00219 <a name="l00200"></a>00200 <span class="keywordflow">break</span>;
00220 <a name="l00201"></a>00201
00221 <a name="l00202"></a>00202 <span class="keywordflow">default</span>:
00222 <a name="l00203"></a>00203 <span class="keywordflow">break</span>;
00223 <a name="l00204"></a>00204 }
00224 <a name="l00205"></a>00205 }
00225 <a name="l00206"></a>00206 <span class="comment">
00226 <a name="l00207"></a>00207 <span class="comment">
00227 <a name="l00208"></a>00208 <span class="comment">
00228 <a name="l00209"></a>00209 <span class="comment">
00229 <a name="l00210"></a>00210 <span class="comment">
00230 <a name="l00211"></a><a class="code" href="class_c_hello_world_basic_app_ui.html#6acdbe8a9b57446075bf46d035e751eb">00211</a> <span class="keywordtype">void</span> <a class="code" href="class_c_hello_world_basic_app_ui.html#6acdbe8a9b57446075bf46d035e751eb">CHelloWorldBasicAppUi::HandleResourceChangeL</a>( TInt aType )
00231 <a name="l00212"></a>00212 {
00232 <a name="l00213"></a>00213 <span class="comment">
00233 <a name="l00214"></a>00214 CAknAppUi::HandleResourceChangeL(aType);
00234 <a name="l00215"></a>00215 <span class="keywordflow">if</span> (aType == KEikDynamicLayoutVariantSwitch)
00235 <a name="l00216"></a>00216 {
00236 <a name="l00217"></a>00217 <span class="keywordflow">if</span> (<a class="code" href="class_c_hello_world_basic_app_ui.html#45dd0a3e0e75e56b4727a01a8ef2c6b1">iAppView</a>)
00237 <a name="l00218"></a>00218 iAppView->SetRect( ClientRect() );
00238 <a name="l00219"></a>00219 }
00239 <a name="l00220"></a>00220 }
00240 <a name="l00221"></a>00221
00241 <a name="l00222"></a>00222 <span class="comment">
00242 <a name="l00223"></a>00223
00243 </pre></div><hr>
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00265 <p style="font-family: Arial;"><small style="font-size: smaller;">© Nokia 2009</small></td>
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