📄 helloworldbasicappui_8cpp-source.html
字号:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"><title>helloworldbasicappui.cpp Source File</title><link href="style.css" rel="stylesheet" type="text/css"></head><table border="0" width="100%" height="8" bgcolor="#eeeeee"><tr> <td width="100%" height="1"><b><font size="2" color="#000000" face="Arial, Helvetica, sans-serif"><strong><a name=Top></a>S60 3rd Edition SDK FP2 for Symbian OS </strong></font></b><br><i>Example Applications Guide</i></td></tr> </table><!-- Generated by Doxygen 1.4.5 --><div class="tabs"> <ul> <li><a href="index.html"><span>Main Page</span></a></li> <li><a href="annotated.html"><span>Classes</span></a></li> <li id="current"><a href="files.html"><span>Files</span></a></li> </ul></div><h1>helloworldbasicappui.cpp</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span><a name="l00002"></a>00002 <span class="comment">* ==============================================================================</span><a name="l00003"></a>00003 <span class="comment">* Name : helloworldbasicappui.cpp</span><a name="l00004"></a>00004 <span class="comment">* Part of : Helloworldbasic</span><a name="l00005"></a>00005 <span class="comment">* Interface :</span><a name="l00006"></a>00006 <span class="comment">* Description :</span><a name="l00007"></a>00007 <span class="comment">* Version :</span><a name="l00008"></a>00008 <span class="comment">*</span><a name="l00009"></a>00009 <span class="comment">* Copyright (c) 2005-2006 Nokia Corporation.</span><a name="l00010"></a>00010 <span class="comment">* This material, including documentation and any related</span><a name="l00011"></a>00011 <span class="comment">* computer programs, is protected by copyright controlled by</span><a name="l00012"></a>00012 <span class="comment">* Nokia Corporation.</span><a name="l00013"></a>00013 <span class="comment">* ==============================================================================</span><a name="l00014"></a>00014 <span class="comment">*/</span><a name="l00015"></a>00015 <a name="l00016"></a>00016 <span class="comment">// INCLUDE FILES</span><a name="l00017"></a>00017 <span class="preprocessor">#include <avkon.hrh></span><a name="l00018"></a>00018 <span class="preprocessor">#include <aknnotewrappers.h></span><a name="l00019"></a>00019 <span class="preprocessor">#include <stringloader.h></span><a name="l00020"></a>00020 <span class="preprocessor">#include <HelloWorldBasic.rsg></span><a name="l00021"></a>00021 <span class="preprocessor">#include <f32file.h></span><a name="l00022"></a>00022 <span class="preprocessor">#include <s32file.h></span><a name="l00023"></a>00023 <a name="l00024"></a>00024 <span class="preprocessor">#include "HelloWorldBasic.pan"</span><a name="l00025"></a>00025 <span class="preprocessor">#include "HelloWorldBasicAppUi.h"</span><a name="l00026"></a>00026 <span class="preprocessor">#include "HelloWorldBasicAppView.h"</span><a name="l00027"></a>00027 <span class="preprocessor">#include "HelloWorldBasic.hrh"</span><a name="l00028"></a>00028 <span class="preprocessor">#include "HelloWorldBasicQueryDialog.h"</span><a name="l00029"></a>00029 <a name="l00030"></a>00030 _LIT( KHelloFileName, <span class="stringliteral">"Hello.txt"</span> );<a name="l00031"></a>00031 <a name="l00032"></a>00032 <span class="comment">// ============================ MEMBER FUNCTIONS ===============================</span><a name="l00033"></a>00033 <a name="l00034"></a>00034 <a name="l00035"></a>00035 <span class="comment">// -----------------------------------------------------------------------------</span><a name="l00036"></a>00036 <span class="comment">// CHelloWorldBasicAppUi::ConstructL()</span><a name="l00037"></a>00037 <span class="comment">// Symbian 2nd phase constructor can leave.</span><a name="l00038"></a>00038 <span class="comment">// -----------------------------------------------------------------------------</span><a name="l00039"></a>00039 <span class="comment">//</span><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>()<a name="l00041"></a>00041 {<a name="l00042"></a>00042 <span class="comment">// Initialise app UI with standard value.</span><a name="l00043"></a>00043 BaseConstructL(CAknAppUi::EAknEnableSkin);<a name="l00044"></a>00044 <a name="l00045"></a>00045 <span class="comment">// Here the Hello.txt file is created. Because HelloWorld application is</span><a name="l00046"></a>00046 <span class="comment">// localized to various languages, the Hello.txt-file is created every time</span><a name="l00047"></a>00047 <span class="comment">// with current localization language</span><a name="l00048"></a>00048 <span class="comment">//</span><a name="l00049"></a>00049 RFs fsSession;<a name="l00050"></a>00050 User::LeaveIfError(fsSession.Connect());<a name="l00051"></a>00051 CleanupClosePushL( fsSession );<a name="l00052"></a>00052 TInt objectsInStack = 1;<a name="l00053"></a>00053 <a name="l00054"></a>00054 <span class="preprocessor"> #if defined(__WINS__) || defined(__WINSCW__)</span><a name="l00055"></a>00055 <span class="preprocessor"></span> <span class="comment">// create private folder, when testing in emulator.</span><a name="l00056"></a>00056 <span class="comment">// ignore the return value; if this fails, then file.Replace() will fail</span><a name="l00057"></a>00057 <span class="comment">// and a warning note will be printed.</span><a name="l00058"></a>00058 <span class="comment">//</span><a name="l00059"></a>00059 fsSession.CreatePrivatePath(EDriveC);<a name="l00060"></a>00060 <span class="preprocessor"> #endif</span><a name="l00061"></a>00061 <span class="preprocessor"></span><a name="l00062"></a>00062 RFile file;<a name="l00063"></a>00063 <a name="l00064"></a>00064 <span class="comment">// Create a file to write the text to</span><a name="l00065"></a>00065 TInt err = file.Replace(fsSession, KHelloFileName, EFileWrite );<a name="l00066"></a>00066 <span class="keywordflow">if</span> (KErrNone == err)<a name="l00067"></a>00067 {<a name="l00068"></a>00068 CleanupClosePushL( file );<a name="l00069"></a>00069 <a name="l00070"></a>00070 RFileWriteStream outputFileStream( file );<a name="l00071"></a>00071 CleanupClosePushL( outputFileStream );<a name="l00072"></a>00072 <a name="l00073"></a>00073 <span class="comment">// Load a string from the resource file and stream it to file</span><a name="l00074"></a>00074 HBufC* textResource = StringLoader::LoadLC( R_HEWB_FILE_TEXT );<a name="l00075"></a>00075 objectsInStack += 3; <span class="comment">// file, outputFileStream, testResource</span><a name="l00076"></a>00076 <a name="l00077"></a>00077 outputFileStream << *textResource;<a name="l00078"></a>00078 }<a name="l00079"></a>00079 <span class="keywordflow">else</span><a name="l00080"></a>00080 {<a name="l00081"></a>00081 _LIT(KFileWriteFailed,<span class="stringliteral">"Writing file %S failed: error %d"</span>);<a name="l00082"></a>00082 CAknWarningNote* note = <span class="keyword">new</span> ( ELeave ) CAknWarningNote(ETrue);<a name="l00083"></a>00083 <a name="l00084"></a>00084 TBuf<64> text;<a name="l00085"></a>00085 text.Format(KFileWriteFailed, &KHelloFileName, err);<a name="l00086"></a>00086 note->ExecuteLD( text );<a name="l00087"></a>00087 }<a name="l00088"></a>00088 <a name="l00089"></a>00089 CleanupStack::PopAndDestroy(objectsInStack, &fsSession);<a name="l00090"></a>00090 <a name="l00091"></a>00091 <span class="comment">// Create view object</span><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() );<a name="l00093"></a>00093 <a name="l00094"></a>00094 }<a name="l00095"></a>00095 <span class="comment">// -----------------------------------------------------------------------------</span><a name="l00096"></a>00096 <span class="comment">// CHelloWorldBasicAppUi::CHelloWorldBasicAppUi()</span><a name="l00097"></a>00097 <span class="comment">// C++ default constructor can NOT contain any code, that might leave.</span><a name="l00098"></a>00098 <span class="comment">// -----------------------------------------------------------------------------</span><a name="l00099"></a>00099 <span class="comment">//</span><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>()<a name="l00101"></a>00101 {<a name="l00102"></a>00102 <span class="comment">// No implementation required</span><a name="l00103"></a>00103 }<a name="l00104"></a>00104 <a name="l00105"></a>00105 <span class="comment">// -----------------------------------------------------------------------------</span><a name="l00106"></a>00106 <span class="comment">// CHelloWorldBasicAppUi::~CHelloWorldBasicAppUi()</span><a name="l00107"></a>00107 <span class="comment">// Destructor.</span><a name="l00108"></a>00108 <span class="comment">// -----------------------------------------------------------------------------</span><a name="l00109"></a>00109 <span class="comment">//</span><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>()<a name="l00111"></a>00111 {⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -