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Commit 94438b77 authored by Michael Kwan's avatar Michael Kwan
Browse files

Add supports-multiwindow command to am. 

The supports-multiwindow command allows the ability to
check if the device has multiwindow support in the shell.

Test: manual - adb shell am supports-multiwindow
Bug: 30120559
Change-Id: If5e251a878a29cef2365715b18e4275e4f1ff0ca
parent ab8220f3

services/core/java/com/android/server/am/ActivityManagerShellCommand.java

+24 −0
Original line number Diff line number Diff line
@@ -40,7 +40,9 @@ import android.content.pm.InstrumentationInfo; 
import android.content.pm.ParceledListSlice;

import android.content.pm.ResolveInfo;

import android.content.pm.UserInfo;

import android.content.res.AssetManager;

import android.content.res.Configuration;

import android.content.res.Resources;

import android.graphics.Rect;

import android.os.Binder;

import android.os.Build;
@@ -55,6 +57,7 @@ import android.os.UserHandle; 
import android.text.TextUtils;

import android.util.ArrayMap;

import android.util.DebugUtils;

import android.util.DisplayMetrics;

import android.view.IWindowManager;



import com.android.internal.util.HexDump;
@@ -223,6 +226,8 @@ final class ActivityManagerShellCommand extends ShellCommand { 
                    return runWrite(pw);

                case "attach-agent":

                    return runAttachAgent(pw);

                case "supports-multiwindow":

                    return runSupportsMultiwindow(pw);

                default:

                    return handleDefaultCommands(cmd);

            }
@@ -2262,6 +2267,23 @@ final class ActivityManagerShellCommand extends ShellCommand { 
        return 0;

    }



    int runSupportsMultiwindow(PrintWriter pw) throws RemoteException {

        // system resources does not contain all the device configuration, construct it manually.

        Configuration config = mInterface.getConfiguration();

        if (config == null) {

            pw.println("Error: Activity manager has no configuration");

            return -1;

        }



        final DisplayMetrics metrics = new DisplayMetrics();

        metrics.setToDefaults();



        Resources res = new Resources(AssetManager.getSystem(), metrics, config);



        pw.println(res.getBoolean(com.android.internal.R.bool.config_supportsMultiWindow));

        return 0;

    }



    @Override

    public void onHelp() {

        PrintWriter pw = getOutPrintWriter();
@@ -2441,6 +2463,8 @@ final class ActivityManagerShellCommand extends ShellCommand { 
            pw.println("    Attach an agent to the specified <PROCESS>, which may be either a process name or a PID.");

            pw.println("  get-config");

            pw.println("      Rtrieve the configuration and any recent configurations of the device.");

            pw.println("  supports-multiwindow");

            pw.println("      Returns true if the device supports multiwindow.");

            pw.println("  suppress-resize-config-changes <true|false>");

            pw.println("      Suppresses configuration changes due to user resizing an activity/task.");

            pw.println("  set-inactive [--user <USER_ID>] <PACKAGE> true|false");