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Commit 05ba94f9 authored by Ebru Kurnaz's avatar Ebru Kurnaz
Browse files

Add an option to wm density command to set the density ratio. 

With the option -r the density ratio will be set to preserve display
size on resolution change:  adb shell wm density [-d DisplayId] -r

Flag: com.android.window.flags.enable_persisting_display_size_for_connected_displays
Test: Manual test
Bug: 401521173
Change-Id: Ie2c0f61a145d87d613dd66153799561437828b7a
parent 01c534a5

services/core/java/com/android/server/wm/WindowManagerShellCommand.java

+11 −3
Original line number Diff line number Diff line
@@ -341,9 +341,16 @@ public class WindowManagerShellCommand extends ShellCommand { 
            }

        }



        String ratioArg = getNextArg();

        if (density > 0) {

            if ("-r".equals(ratioArg)) {

                mInterface.setForcedDisplayDensityRatio(displayId,

                        (float) density / mInterface.getInitialDisplayDensity(displayId),

                        UserHandle.USER_CURRENT);

            } else {

                mInterface.setForcedDisplayDensityForUser(displayId, density,

                        UserHandle.USER_CURRENT);

            }

        } else {

            mInterface.clearForcedDisplayDensityForUser(displayId,

                    UserHandle.USER_CURRENT);
@@ -1564,8 +1571,9 @@ public class WindowManagerShellCommand extends ShellCommand { 
        pw.println("  size [reset|WxH|WdpxHdp] [-d DISPLAY_ID]");

        pw.println("    Return or override display size.");

        pw.println("    width and height in pixels unless suffixed with 'dp'.");

        pw.println("  density [reset|DENSITY] [-d DISPLAY_ID] [-u UNIQUE_ID]");

        pw.println("  density [reset|DENSITY] [-d DISPLAY_ID] [-u UNIQUE_ID] [-r]");

        pw.println("    Return or override display density.");

        pw.println("    Use option -r at the end to persist display size on resolution change.");

        pw.println("  folded-area [reset|LEFT,TOP,RIGHT,BOTTOM]");

        pw.println("    Return or override folded area.");

        pw.println("  scaling [off|auto] [-d DISPLAY_ID]");