display-manager | 易学教程

How to detect external displays in android prior API 17

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问题 I'm working in app that has copyrighted videos that should work only in Android device and not in external display connected via HDMI or wirelessly. I found great API Presentation and DisplayManager to detect and control which content to be displayed on external displays but this API's available only in API 17 (android 4.2) and plus. Any idea in how to do this below android 4.2 or at least to detect and be notified for connected displays. Question #2: What about if android device is connected

How to detect external displays in android prior API 17

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Detect screen mirroring using xamarin.forms.android

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问题 I want to detect android screen mirroring to pc. I am currently coding in c# Xamarin Forms Android . What I have done Here someone recommended to use DisplayManager and VirtualDisplay documentation. But I don't know how to achieve that in code. Here someone recommended to check DisplayManager.getDisplays(), and see if it's >1. Again not working to detect vysor I tried with code. 回答1: It is not possible to do so in Android. Reference The closest you could get is by using FlagSecure to prevent

SAS Display Manager commands

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问题 The SAS display manager is a comamnd line interface to the SAS system, which remains in Base SAS as a legacy facility. However the online documentation on how to use this facility is sparse at best, and google searches are less than fruitful. A common DM command would be: CLEAR LOG; CLEAR OUTPUT; WPGM; My question is - What other DM commands are out there? 回答1: Unfortunately, it doesn't seem like SAS has its commands listed in a single place online. All commands are documented within SAS,

submit SAS code or macro from Toolbar

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问题 Is it possible to allocate a SAS script or macro to a Toolbar button in Base SAS? ie can you 'dm' a macro or sas script? 回答1: Certainly. Here is one way: Go to Tools->Customize. Select the Customize Tab Create a new blank button by clicking the "Add Tool" (left most button, right above the word "command" Select an icon for the new button using the "change icon" button (otherwise it will be blank and won't show up in the toolbar) To have the button submit a compiled macro, type this in the

submit SAS code or macro from Toolbar

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Is it possible to allocate a SAS script or macro to a Toolbar button in Base SAS? ie can you 'dm' a macro or sas script? Certainly. Here is one way: Go to Tools->Customize. Select the Customize Tab Create a new blank button by clicking the "Add Tool" (left most button, right above the word "command" Select an icon for the new button using the "change icon" button (otherwise it will be blank and won't show up in the toolbar) To have the button submit a compiled macro, type this in the command field (substituting your macro name of course): %nameofmacro;run; To have the button submit an external

SAS Display Manager commands

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The SAS display manager is a comamnd line interface to the SAS system, which remains in Base SAS as a legacy facility. However the online documentation on how to use this facility is sparse at best, and google searches are less than fruitful. A common DM command would be: CLEAR LOG; CLEAR OUTPUT; WPGM; My question is - What other DM commands are out there? Unfortunately, it doesn't seem like SAS has its commands listed in a single place online. All commands are documented within SAS, however. 1. Enter help into the command line 2. Search for the exact phrase "Overview of SAS Commands" 3.

Touch event while display off

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问题 Sorry for stupid question, but can I listening touch events from android phone, while display is off? Or touch system works only when display is ON..? 回答1: Only when the display is on since the touchscreen needs power to detect touches. However, there is some research to re-register the sensors when the screen is off, so maybe you'll have some luck if you follow that route. Useful Resources: Getting Android Sensor Events While The Screen is Off Android docs - Partial wake lock Example app on