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Commit ae4a4b98 authored by Philip P. Moltmann's avatar Philip P. Moltmann
Browse files

fragileUserData-apps might keep data on uninstall 

If an app declares that is has flagile user data, all the user to choose
to keep the app-data on uninstall.

Test: Unistalled apps that set the new flag and app that did not.
      Verified that the KEEP_DATA flag was set when checkbox was
      clicked.
Change-Id: I032fb21854352bbc175934ae5eb68a1430b1d403
Fixes: 117578306
parent a5abb4a7

api/current.txt

+1 −0
Original line number Diff line number Diff line
@@ -703,6 +703,7 @@ package android { 
    field public static final int hapticFeedbackEnabled = 16843358; // 0x101025e

    field public static final int hardwareAccelerated = 16843475; // 0x10102d3

    field public static final int hasCode = 16842764; // 0x101000c

    field public static final int hasFragileUserData = 16844192; // 0x10105a0

    field public static final deprecated int headerAmPmTextAppearance = 16843936; // 0x10104a0

    field public static final int headerBackground = 16843055; // 0x101012f

    field public static final deprecated int headerDayOfMonthTextAppearance = 16843927; // 0x1010497

core/java/android/content/pm/ApplicationInfo.java

+19 −0
Original line number Diff line number Diff line
@@ -631,6 +631,13 @@ public class ApplicationInfo extends PackageItemInfo implements Parcelable { 
     */

    public static final int PRIVATE_FLAG_PROFILEABLE_BY_SHELL = 1 << 23;



    /**

     * Indicates whether this package requires access to non-SDK APIs.

     * Only system apps and tests are allowed to use this property.

     * @hide

     */

    public static final int PRIVATE_FLAG_HAS_FRAGILE_USER_DATA = 1 << 24;



    /** @hide */

    @IntDef(flag = true, prefix = { "PRIVATE_FLAG_" }, value = {

            PRIVATE_FLAG_ACTIVITIES_RESIZE_MODE_RESIZEABLE,
@@ -655,6 +662,7 @@ public class ApplicationInfo extends PackageItemInfo implements Parcelable { 
            PRIVATE_FLAG_STATIC_SHARED_LIBRARY,

            PRIVATE_FLAG_VENDOR,

            PRIVATE_FLAG_VIRTUAL_PRELOAD,

            PRIVATE_FLAG_HAS_FRAGILE_USER_DATA,

    })

    @Retention(RetentionPolicy.SOURCE)

    public @interface ApplicationInfoPrivateFlags {}
@@ -1730,6 +1738,17 @@ public class ApplicationInfo extends PackageItemInfo implements Parcelable { 
        return (privateFlags & PRIVATE_FLAG_USES_NON_SDK_API) != 0;

    }



    /**

     * Whether an app needs to keep the app data on uninstall.

     *

     * @return {@code true} if the app indicates that it needs to keep the app data

     *

     * @hide

     */

    public boolean hasFragileUserData() {

        return (privateFlags & PRIVATE_FLAG_HAS_FRAGILE_USER_DATA) != 0;

    }



    private boolean isAllowedToUseHiddenApis() {

        if (isSignedWithPlatformKey()) {

            return true;

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

+6 −0
Original line number Diff line number Diff line
@@ -3710,6 +3710,12 @@ public class PackageParser { 
            ai.privateFlags |= ApplicationInfo.PRIVATE_FLAG_USES_NON_SDK_API;

        }



        if (sa.getBoolean(

                com.android.internal.R.styleable.AndroidManifestApplication_hasFragileUserData,

                false)) {

            ai.privateFlags |= ApplicationInfo.PRIVATE_FLAG_HAS_FRAGILE_USER_DATA;

        }



        if (outError[0] == null) {

            CharSequence pname;

            if (owner.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.FROYO) {

core/res/res/values/attrs_manifest.xml

+3 −0
Original line number Diff line number Diff line
@@ -1603,6 +1603,9 @@ 
        <!-- Declares that this application should be invoked without non-SDK API enforcement -->

        <attr name="usesNonSdkApi" />



        <!-- If {@code true} the user is prompted to keep the app's data on uninstall -->

        <attr name="hasFragileUserData" />



    </declare-styleable>

    <!-- The <code>permission</code> tag declares a security permission that can be

         used to control access from other packages to specific components or

core/res/res/values/public.xml

+1 −0
Original line number Diff line number Diff line
@@ -2930,6 +2930,7 @@ 
        <public name="dataRetentionTime" />

        <public name="selectionDividerHeight" />

        <public name="foregroundServiceType" />

        <public name="hasFragileUserData" />

    </public-group>



    <public-group type="drawable" first-id="0x010800b4">