Activity fullscreen settings Mode 1: Androidmanifest.xml android:theme= "@android: Style/theme.notitlebar.fullscreen" /> Mode 2: code implementation Requestwindowfeature (Window.feature_no_title); Hide title bar GetWindow (). SetFlags (Windowmanager.layoutparams.flag_fullscreen,windowmanager.layoutparams.flag_fullscreen); Hide the status bar Note: The two-piece code that sets the full screen must precede S
Welcome page start thread because of the excessive amount of data requested and processed, there will be a brief white splash screen on the Welcome page before it appears, and of course the white splash screen stays because of the application theme style Android:[email protected]/ Apptheme uses the theme.light problem, the light-style windowbackground, Colorbackg
add a 0px height plain surfaceview to the first layout of your activity. This would recreate the window before the activity is shown on the screen, and if you set your second layout it would just Continue using the window with the current parameters. I hope this helps.Reason:Surfaceview because it is different from the general view, it has its own good buffering and data access mechanism, the system has special treatment for him. When Surfaceview the
Method 1 of enabling activity on the horizontal screen: In androidmanyfest. add the property Android: screenorientation = "Landscape" to the XML activity. Method 2: First add import android. content. PM. activityinfo; import android. view. display; Add the following to oncreate:CodeIf (getrequestedorientation ()! = Act
Workaround One:Use transparent ThemesClick Project--in the build settings to find the build Android APK section, click Create Templates creating a Androidmanifest.xmlWorkaround Two:Replace a theme with a pictureCreate a new Style.xml file in the Res/values file directory with the following contents Solution Threehttps://falsinsoft.blogspot.com/2017/07/qml-show-android-native-splash-screen.htmlQt for
"Set Full Screen"Use the following code before setlayout1 requestwindowfeature (window.feature_no_title); // Hide Title 2 GetWindow (). SetFlags (WindowManager.LayoutParams.FLAG_FULLSCREEN,3 WindowManager.LayoutParams.FLAG_FULLSCREEN); // Set Full Screen"Force horizontal screen"Add in Layout1 android:launchmode= "Singletask" android:screen
iOS-generic Just need to be inside the rootviewcontroller.mm file. 1 -(BOOL) Shouldautorotatetointerfaceorientation: (uiinterfaceorientation) interfaceorientation { return Uiinterfaceorientationisportrait (interfaceorientation);} For IOS6, use supportedinterfaceorientations shouldautorotate instead-(Nsuinteger) supportedinterfaceorientations{#ifdef __iphone_6_0 return uiinterfaceorientationmaskportrait; #endif}-(BOOL) shouldautorotate { return NO;} 2 if ([[Uidevice Currentdevice] Re
After Android uses Zxing to scan the QR code and change it to a portrait screen, the preview screen is stretched and distorted.
Perfect solution: After Android uses Zxing to scan the QR code and changes it to a portrait screen, the preview
In the onreceive that receives the message broadcast, jump to the interface you want to display. Such as:
Intent Intent = new Intent (arg0,mainactivity.class);
Intent.addflags (Intent.flag_activity_new_task);
Arg0.startactivity (Intent);
In the OnCreate () method of the activity:
Super.oncreate (savedinstancestate);
GetWindow (). Addflags (windowmanager.layoutparams.flag_show_when_locked| WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON);
Setcontentview (R.la
The realization of thought:The Windowmanagerservice loop reads the following key information and distribution forms. Filtering of messages in the Phonewindowmanager.interceptkeybeforequeueing method.Therefore, the implementation is to listen to the current key in the Interceptkeybeforequeueing method before the message is distributed to the volume key, assuming the current state is the lock screen state. And the key is the volume down key, and two tim
When an android alarm is triggered, press the power key to lock the screen. Two screen locks are played.Two locks are triggered because Keyguard is locked when the screen is hidden, and then keyguard is automatically unlocked because FLAG_DISMISS_KEYGUARD windowsParam is set in alarm activity, this is the design of Goo
Android horizontal and vertical screen switching and corresponding layout Loading Problems, android layout Loading
First, the problem of horizontal and vertical screen layout when switching:
If you want the software to switch between portrait and portrait screens, the height and width of the portrait
The following describes how to obtain screen-related information in Android.
1. screen size, source code:
Displaymetrics metrics = new displaymetrics (); getwindowmanager (). getdefadisplay display (). getmetrics (metrics); int screenwidth = metrics. widthpixels; // screen width int screenheight = metrics. heightpixel
);ComponentName = new ComponentName (this, myreceiver.class);if (policymanager.isadminactive (componentname)) {//To determine if a permission is available (Device Manager activated)Policymanager.locknow ();//Direct lock screenFinish ();} else {Activemanager ();//Activate Device Manager Get PermissionsFinish ();}}/*** Get lock Screen permissions*/private void Activemanager () {Activates the specified Device Manager using implicit intent to invoke the s
1. Set style ///1, set the background map theme 1 2. Set Transparent theme1 I've defined two types of theme, the first of which is to set a background map. When the program starts, this background image is displayed first to prevent a black screen from appearing. The second kind of theme is to set the style to transparent, the program will not be black screen after startup, but the whole transparent, wait u
This article illustrates the solution to the problem of white screen and black screen when activity starts in Android programming. Share to everyone for your reference, specific as follows:
Activity starts by default when the screen is first painted white, and then draw the interface, draw the interface more or less a
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