Qt5 Tutorial Deploying to Windows - 2020

Deploying Qt on Windows with dlls supposed to be simple but I struggled for sometime. So, I think it's not a bad idea putting a brief note here.

To make it short, the following files were my final distribution:

Everything worked with those files.

The C:\Qt\Qt5.1.1\5.1.1\msvc2012_64_opengl\plugins\platforms\qwindows.dll was the one that I had to spend time on it.

My system is Windows 8 64 bit, and I wanted Qt developed there using Qt Creator 2.8.1 to be ported my another Windows 7 64 bit laptop.

1. In this deployment, my method was crude: adding one by one dll which dependency walker spit out.
2. I ignored one instance of warning/error from dependency walker: ieshims.dll
3. Then, I got this error on a target machine:"Failed to load platform plugin 'windows'."
4. On the web, there were slew of suggestions on how to fix this: including setting "QT_QPA_PLATFORM_PLUGIN_PATH" and so on.
5. When I look back, most of the advice were correct: they were all pointing to placing plugins\platforms\qwindows.dll to the right place.
6. I tried some of the other fixes, but no luck there.
7. Switching from QtCreator to Add-in VS 2012 did not make any difference.
8. Now, I can clearly say that we need to place the platforms which has qwindows.dll in the same directory where our *.exe is. That's it, at least for shared library approach on Windows.
9. I do not know why Qt changed the way of deployment, but it seems be related with porting to devices.

I haven't tried with static libs. I'll add more notes if similar thing happens.

Qt 5 Tutorial

1. Hello World
2. Signals and Slots
3. Q_OBJECT Macro
4. MainWindow and Action
5. MainWindow and ImageViewer using Designer A
6. MainWindow and ImageViewer using Designer B
7. Layouts
8. Layouts without Designer
9. Grid Layouts
10. Splitter
11. QDir
12. QFile (Basic)
13. Resource Files (.qrc)
14. QComboBox
15. QListWidget
16. QTreeWidget
17. QAction and Icon Resources
18. QStatusBar
19. QMessageBox
20. QTimer
21. QList
22. QListIterator
23. QMutableListIterator
24. QLinkedList
25. QMap
26. QHash
27. QStringList
28. QTextStream
29. QMimeType and QMimeDatabase
30. QFile (Serialization I)
31. QFile (Serialization II - Class)
32. Tool Tips in HTML Style and with Resource Images
33. QPainter
34. QBrush and QRect
35. QPainterPath and QPolygon
36. QPen and Cap Style
37. QBrush and QGradient
38. QPainter and Transformations
39. QGraphicsView and QGraphicsScene
40. Customizing Items by inheriting QGraphicsItem
41. QGraphicsView Animation
42. FFmpeg Converter using QProcess
43. QProgress Dialog - Modal and Modeless
44. QVariant and QMetaType
45. QtXML - Writing to a file
46. QtXML - QtXML DOM Reading
47. QThreads - Introduction
48. QThreads - Creating Threads
49. Creating QThreads using QtConcurrent
50. QThreads - Priority
51. QThreads - QMutex
52. QThreads - GuiThread
53. QtConcurrent QProgressDialog with QFutureWatcher
54. QSemaphores - Producer and Consumer
55. QThreads - wait()
56. MVC - ModelView with QListView and QStringListModel
57. MVC - ModelView with QTreeView and QDirModel
58. MVC - ModelView with QTreeView and QFileSystemModel
59. MVC - ModelView with QTableView and QItemDelegate
60. QHttp - Downloading Files
61. QNetworkAccessManager and QNetworkRequest - Downloading Files
62. Qt's Network Download Example - Reconstructed
63. QNetworkAccessManager - Downloading Files with UI and QProgressDialog
64. QUdpSocket
65. QTcpSocket
66. QTcpSocket with Signals and Slots
67. QTcpServer - Client and Server
68. QTcpServer - Loopback Dialog
69. QTcpServer - Client and Server using MultiThreading
70. QTcpServer - Client and Server using QThreadPool
71. Asynchronous QTcpServer - Client and Server using QThreadPool
72. Qt Quick2 QML Animation - A
73. Qt Quick2 QML Animation - B
74. Short note on Ubuntu Install
75. OpenGL with QT5
76. Qt5 Webkit : Web Browser with QtCreator using QWebView Part A
77. Qt5 Webkit : Web Browser with QtCreator using QWebView Part B
78. Video Player with HTML5 QWebView and FFmpeg Converter
79. Qt5 Add-in and Visual Studio 2012
80. Qt5.3 Installation on Ubuntu 14.04
81. Qt5.5 Installation on Ubuntu 14.04
82. Short note on deploying to Windows