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Commit 79dcbeea authored by Chilun's avatar Chilun
Browse files

Add manifest attribute for display across devices 

Allow an activity to opt in or out from being streamed to a remote
device by the application manifest.

Also add meta-data support of apps that targeting on previous SDK.

Bug: 201712607
Test: Manual
Change-Id: If39442d19316653cacae4c060f9f374958eb92a5
parent df8f2448

core/api/current.txt

+1 −0
Original line number Diff line number Diff line
@@ -411,6 +411,7 @@ package android { 
    field public static final int calendarViewShown = 16843596; // 0x101034c

    field public static final int calendarViewStyle = 16843613; // 0x101035d

    field public static final int canControlMagnification = 16844039; // 0x1010507

    field public static final int canDisplayOnRemoteDevices;

    field public static final int canPauseRecording = 16844314; // 0x101061a

    field public static final int canPerformGestures = 16844045; // 0x101050d

    field public static final int canRecord = 16844060; // 0x101051c

core/java/android/content/pm/ActivityInfo.java

+6 −0
Original line number Diff line number Diff line
@@ -447,6 +447,12 @@ public class ActivityInfo extends ComponentInfo implements Parcelable { 
     * @see android.app.Activity#setVrModeEnabled(boolean, ComponentName)

     */

    public static final int FLAG_ENABLE_VR_MODE = 0x8000;

    /**

     * Bit in {@link #flags} indicating if the activity can be displayed on a remote device.

     * Corresponds to {@link android.R.attr#canDisplayOnRemoteDevices}

     * @hide

     */

    public static final int FLAG_CAN_DISPLAY_ON_REMOTE_DEVICES = 0x10000;



    /**

     * Bit in {@link #flags} indicating if the activity is always focusable regardless of if it is

core/java/android/content/pm/parsing/ParsingPackageUtils.java

+2 −1
Original line number Diff line number Diff line
@@ -52,7 +52,6 @@ import android.content.pm.SigningDetails; 
import android.content.pm.parsing.component.ComponentMutateUtils;

import android.content.pm.parsing.component.ComponentParseUtils;

import android.content.pm.parsing.component.ParsedActivity;

import android.content.pm.parsing.component.ParsedActivityImpl;

import android.content.pm.parsing.component.ParsedActivityUtils;

import android.content.pm.parsing.component.ParsedAttribution;

import android.content.pm.parsing.component.ParsedAttributionUtils;
@@ -194,6 +193,8 @@ public class ParsingPackageUtils { 


    public static final String METADATA_MAX_ASPECT_RATIO = "android.max_aspect";

    public static final String METADATA_SUPPORTS_SIZE_CHANGES = "android.supports_size_changes";

    public static final String METADATA_CAN_DISPLAY_ON_REMOTE_DEVICES =

            "android.can_display_on_remote_devices";

    public static final String METADATA_ACTIVITY_WINDOW_LAYOUT_AFFINITY =

            "android.activity_window_layout_affinity";

    public static final String METADATA_ACTIVITY_LAUNCH_MODE = "android.activity.launch_mode";

core/java/android/content/pm/parsing/component/ParsedActivityUtils.java

+15 −0
Original line number Diff line number Diff line
@@ -420,6 +420,21 @@ public class ParsedActivityUtils { 
            }

        }



        if (!isAlias) {

            // Default allow the activity to be displayed on a remote device unless it explicitly

            // set to false.

            boolean canDisplayOnRemoteDevices = array.getBoolean(

                    R.styleable.AndroidManifestActivity_canDisplayOnRemoteDevices, true);

            if (activity.getMetaData() != null && !activity.getMetaData().getBoolean(

                    ParsingPackageUtils.METADATA_CAN_DISPLAY_ON_REMOTE_DEVICES, true)) {

                canDisplayOnRemoteDevices = false;

            }

            if (canDisplayOnRemoteDevices) {

                activity.setFlags(activity.getFlags()

                        | ActivityInfo.FLAG_CAN_DISPLAY_ON_REMOTE_DEVICES);

            }

        }



        ParseResult<ActivityInfo.WindowLayout> layoutResult =

                resolveActivityWindowLayout(activity, input);

        if (layoutResult.isError()) {

core/res/res/values/attrs_manifest.xml

+3 −0
Original line number Diff line number Diff line
@@ -2953,6 +2953,9 @@ 
             usually TVs.

             <p>Requires permission {@code android.permission.DISABLE_SYSTEM_SOUND_EFFECTS}. -->

        <attr name="playHomeTransitionSound" format="boolean"/>

        <!-- Indicates whether the activity can be displayed on a remote device which may or

             may not be running Android. -->

        <attr name="canDisplayOnRemoteDevices" format="boolean"/>

    </declare-styleable>



    <!-- The <code>activity-alias</code> tag declares a new