此页面包含特定平台注意事项，为创建应用程序使用 Qt Quick Controls .
Qt 5.4 introduced a native Android style for Qt Quick Controls.
注意： The Android style requires Android 3.0 (API level 11) or later.
The style is automatically selected and deployed on Android. See Qt for Android 快速入门 and 在 Android 部署应用程序 for more details on the Android essentials.
Applications may choose a specific Android theme by specifying it in AndroidManifest.xml .
The following example sets a dark Holo theme, and the result can be seen in the screenshot above.
<manifest ...> <application ... android:theme="@android:style/Theme.Holo"> ... </application> ... </manifest>
The 动作栏 is a special Android control that provides many key features including various navigation modes, actions, an options menu, a back button, and also displays the application icon and title.
不像 Qt Widgets , Qt Quick Controls do not use the native action bar on Android. ToolBar and MenuBar are offered as a cross-platform replacement. They are unified to a single "action bar" when assigned to the appropriate ApplicationWindow 特性。
The advantage of a non-native ToolBar is that it can contain any child items declared in QML. Just to name a few possibilities:
