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Commit 9e2c7ecf authored by Jiaquan He's avatar Jiaquan He
Browse files

Add support for android.R.attr#onTopLauncher 

This allows a launcher activity to always stay on top of all other
activities.

Bug: 28425537
Change-Id: Iad39a076b1e8c6a8304c3b218883a172c913a602
parent ab9c317d

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

+8 −0
Original line number Original line Diff line number Diff line
@@ -332,6 +332,14 @@ public class ActivityInfo extends ComponentInfo 
     */

     */

    public static final int FLAG_ALWAYS_FOCUSABLE = 0x40000;

    public static final int FLAG_ALWAYS_FOCUSABLE = 0x40000;





    /**

     * Bit in {@link #flags} indicating if the activity is a launcher activity which should always

     * show up on the top of others.

     * See android.R.attr#onTopLauncher.

     * @hide

     */

    public static final int FLAG_ON_TOP_LAUNCHER = 0x80000;



    /**

    /**

     * @hide Bit in {@link #flags}: If set, this component will only be seen

     * @hide Bit in {@link #flags}: If set, this component will only be seen

     * by the system user.  Only works with broadcast receivers.  Set from the

     * by the system user.  Only works with broadcast receivers.  Set from the

core/java/android/content/pm/PackageParser.java

+5 −0
Original line number Original line Diff line number Diff line
@@ -79,6 +79,7 @@ import libcore.io.IoUtils; 




import static android.content.pm.ActivityInfo.FLAG_ALWAYS_FOCUSABLE;

import static android.content.pm.ActivityInfo.FLAG_ALWAYS_FOCUSABLE;

import static android.content.pm.ActivityInfo.FLAG_IMMERSIVE;

import static android.content.pm.ActivityInfo.FLAG_IMMERSIVE;

import static android.content.pm.ActivityInfo.FLAG_ON_TOP_LAUNCHER;

import static android.content.pm.ActivityInfo.RESIZE_MODE_FORCE_RESIZEABLE;

import static android.content.pm.ActivityInfo.RESIZE_MODE_FORCE_RESIZEABLE;

import static android.content.pm.ActivityInfo.RESIZE_MODE_RESIZEABLE;

import static android.content.pm.ActivityInfo.RESIZE_MODE_RESIZEABLE;

import static android.content.pm.ActivityInfo.RESIZE_MODE_RESIZEABLE_AND_PIPABLE;

import static android.content.pm.ActivityInfo.RESIZE_MODE_RESIZEABLE_AND_PIPABLE;
@@ -3567,6 +3568,10 @@ public class PackageParser { 
                a.info.flags |= FLAG_ALWAYS_FOCUSABLE;

                a.info.flags |= FLAG_ALWAYS_FOCUSABLE;

            }

            }





            if (sa.getBoolean(R.styleable.AndroidManifestActivity_onTopLauncher, false)) {

                a.info.flags |= FLAG_ON_TOP_LAUNCHER;

            }



            a.info.lockTaskLaunchMode =

            a.info.lockTaskLaunchMode =

                    sa.getInt(R.styleable.AndroidManifestActivity_lockTaskMode, 0);

                    sa.getInt(R.styleable.AndroidManifestActivity_lockTaskMode, 0);

core/res/res/values/attrs_manifest.xml

+3 −0
Original line number Original line Diff line number Diff line
@@ -1898,6 +1898,9 @@ 
             in a task/stack that isn't focusable. This flag allows them to be focusable.-->

             in a task/stack that isn't focusable. This flag allows them to be focusable.-->

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

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

        <attr name="enableVrMode" />

        <attr name="enableVrMode" />

        <!-- @hide This activity is a launcher which should always show up on the top of others.

             This attribute is ignored if the activity isn't a launcher. -->

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

    </declare-styleable>

    </declare-styleable>





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

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

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

+5 −0
Original line number Original line Diff line number Diff line
@@ -19,6 +19,7 @@ package com.android.server.am; 
import static android.app.ActivityManager.StackId;

import static android.app.ActivityManager.StackId;

import static android.app.ActivityManager.StackId.FREEFORM_WORKSPACE_STACK_ID;

import static android.app.ActivityManager.StackId.FREEFORM_WORKSPACE_STACK_ID;

import static android.app.ActivityManager.StackId.PINNED_STACK_ID;

import static android.app.ActivityManager.StackId.PINNED_STACK_ID;

import static android.content.pm.ActivityInfo.FLAG_ON_TOP_LAUNCHER;

import static android.content.pm.ActivityInfo.RESIZE_MODE_CROP_WINDOWS;

import static android.content.pm.ActivityInfo.RESIZE_MODE_CROP_WINDOWS;

import static android.content.pm.ActivityInfo.FLAG_ALWAYS_FOCUSABLE;

import static android.content.pm.ActivityInfo.FLAG_ALWAYS_FOCUSABLE;

import static android.content.pm.ActivityInfo.RESIZE_MODE_RESIZEABLE;

import static android.content.pm.ActivityInfo.RESIZE_MODE_RESIZEABLE;
@@ -858,6 +859,10 @@ final class ActivityRecord { 
        return (info.flags & FLAG_ALWAYS_FOCUSABLE) != 0;

        return (info.flags & FLAG_ALWAYS_FOCUSABLE) != 0;

    }

    }





    boolean isOnTopLauncher() {

        return isHomeActivity() && (info.flags & FLAG_ON_TOP_LAUNCHER) != 0;

    }



    void makeFinishingLocked() {

    void makeFinishingLocked() {

        if (!finishing) {

        if (!finishing) {

            if (task != null && task.stack != null

            if (task != null && task.stack != null