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Commit a6fec7be authored by Pavel Maltsev's avatar Pavel Maltsev
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Allow OEMs to restrict access to secondary display 

This is crucial for automotive use-cases when OEMs want to restrict
access to instrument cluster display by third-party apps

Bug: 28864915
Bug: 70840956
Test: manually verify that secondary display with private flag is not
accessible by third-party apps and accessible to apps with system uid

Change-Id: I39e36c2ea73d879a4c7b01220ae852298d868fd5
parent f6f68802

core/res/res/values/config.xml

+4 −0
Original line number Diff line number Diff line
@@ -2249,6 +2249,10 @@ 
         mirror the content of the default display. -->

    <bool name="config_localDisplaysMirrorContent">true</bool>



    <!-- Indicates whether local non-default displays are private.

         {@see android.view.Display#FLAG_PRIVATE} -->

    <bool name="config_localDisplaysPrivate">false</bool>



    <!-- The default mode for the default display. One of the following values (See Display.java):

             0 - COLOR_MODE_DEFAULT

             7 - COLOR_MODE_SRGB

core/res/res/values/symbols.xml

+1 −0
Original line number Diff line number Diff line
@@ -352,6 +352,7 @@ 
  <java-symbol type="bool" name="config_noHomeScreen" />

  <java-symbol type="bool" name="config_guestUserEphemeral" />

  <java-symbol type="bool" name="config_localDisplaysMirrorContent" />

  <java-symbol type="bool" name="config_localDisplaysPrivate" />

  <java-symbol type="integer" name="config_defaultDisplayDefaultColorMode" />

  <java-symbol type="bool" name="config_enableAppWidgetService" />

  <java-symbol type="string" name="config_defaultPictureInPictureScreenEdgeInsets" />

services/core/java/com/android/server/display/LocalDisplayAdapter.java

+4 −0
Original line number Diff line number Diff line
@@ -436,6 +436,10 @@ final class LocalDisplayAdapter extends DisplayAdapter { 
                                com.android.internal.R.bool.config_localDisplaysMirrorContent)) {

                        mInfo.flags |= DisplayDeviceInfo.FLAG_OWN_CONTENT_ONLY;

                    }



                    if (res.getBoolean(com.android.internal.R.bool.config_localDisplaysPrivate)) {

                        mInfo.flags |= DisplayDeviceInfo.FLAG_PRIVATE;

                    }

                }

            }

            return mInfo;