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Android Reference

DisplayManagerGlobal


android.hardware.display

Class DisplayManagerGlobal



  • public final class DisplayManagerGlobal
    extends Object
    Manager communication with the display manager service on behalf of an application process. You're probably looking for DisplayManager.
    • Method Detail

      • getInstance

        public static DisplayManagerGlobal getInstance()
        Gets an instance of the display manager global singleton.
        Returns:
        The display manager instance, may be null early in system startup before the display manager has been fully initialized.
      • getDisplayInfo

        public DisplayInfo getDisplayInfo(int displayId)
        Get information about a particular logical display.
        Parameters:
        displayId - The logical display id.
        Returns:
        Information about the specified display, or null if it does not exist. This object belongs to an internal cache and should be treated as if it were immutable.
      • getDisplayIds

        public int[] getDisplayIds()
        Gets all currently valid logical display ids.
        Returns:
        An array containing all display ids.
      • getCompatibleDisplay

        public Display getCompatibleDisplay(int displayId,
                                   CompatibilityInfoHolder cih)
        Gets information about a logical display. The display metrics may be adjusted to provide compatibility for legacy applications.
        Parameters:
        displayId - The logical display id.
        cih - The compatibility info, or null if none is required.
        Returns:
        The display object, or null if there is no display with the given id.
      • getRealDisplay

        public Display getRealDisplay(int displayId)
        Gets information about a logical display without applying any compatibility metrics.
        Parameters:
        displayId - The logical display id.
        Returns:
        The display object, or null if there is no display with the given id.
      • scanWifiDisplays

        public void scanWifiDisplays()
      • connectWifiDisplay

        public void connectWifiDisplay(String deviceAddress)
      • disconnectWifiDisplay

        public void disconnectWifiDisplay()
      • renameWifiDisplay

        public void renameWifiDisplay(String deviceAddress,
                             String alias)
      • forgetWifiDisplay

        public void forgetWifiDisplay(String deviceAddress)


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