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Commit 44187c0b authored by Edgar Wang's avatar Edgar Wang
Browse files

Restrict user to clear app defaults when DISALLOW_APPS_CONTROL policy is enabled. 

 - In App Info -> Open by defult -> Other defaults -> Clear defaults
   User should not able to clear app defaults when DISALLOW_APPS_CONTROL
   policy is enabled

Fixes: 140934406
Test: manual & robotest
Change-Id: Ia1aea3846d96b6faf9a1953101bafa4d2992322b
parent f30d10ab

src/com/android/settings/applications/ClearDefaultsPreference.java

+20 −1
Original line number Diff line number Diff line
@@ -24,6 +24,7 @@ import android.os.IBinder; 
import android.os.RemoteException;

import android.os.ServiceManager;

import android.os.UserHandle;

import android.os.UserManager;

import android.text.SpannableString;

import android.text.TextUtils;

import android.text.style.BulletSpan;
@@ -38,12 +39,15 @@ import androidx.preference.Preference; 
import androidx.preference.PreferenceViewHolder;



import com.android.settings.R;

import com.android.settingslib.RestrictedLockUtils;

import com.android.settingslib.RestrictedLockUtilsInternal;

import com.android.settingslib.applications.AppUtils;

import com.android.settingslib.applications.ApplicationsState;



public class ClearDefaultsPreference extends Preference {



    protected static final String TAG = ClearDefaultsPreference.class.getSimpleName();

    protected ApplicationsState.AppEntry mAppEntry;



    private Button mActivitiesButton;
@@ -51,7 +55,9 @@ public class ClearDefaultsPreference extends Preference { 
    private IUsbManager mUsbManager;

    private PackageManager mPm;

    private String mPackageName;

    protected ApplicationsState.AppEntry mAppEntry;



    private final boolean mAppsControlDisallowedBySystem;

    private final RestrictedLockUtils.EnforcedAdmin mAppsControlDisallowedAdmin;



    public ClearDefaultsPreference(Context context, AttributeSet attrs, int defStyleAttr,

            int defStyleRes) {
@@ -63,6 +69,13 @@ public class ClearDefaultsPreference extends Preference { 
        mPm = context.getPackageManager();

        IBinder b = ServiceManager.getService(Context.USB_SERVICE);

        mUsbManager = IUsbManager.Stub.asInterface(b);



        mAppsControlDisallowedBySystem = RestrictedLockUtilsInternal.hasBaseUserRestriction(

                getContext(), UserManager.DISALLOW_APPS_CONTROL, UserHandle.myUserId());

        mAppsControlDisallowedAdmin = RestrictedLockUtilsInternal.checkIfRestrictionEnforced(

                getContext(), UserManager.DISALLOW_APPS_CONTROL, UserHandle.myUserId());





    }



    public ClearDefaultsPreference(Context context, AttributeSet attrs, int defStyleAttr) {
@@ -95,6 +108,12 @@ public class ClearDefaultsPreference extends Preference { 
        mActivitiesButton.setOnClickListener(new View.OnClickListener() {

            @Override

            public void onClick(View v) {

                if (mAppsControlDisallowedAdmin != null && !mAppsControlDisallowedBySystem) {

                    RestrictedLockUtils.sendShowAdminSupportDetailsIntent(

                            getContext(), mAppsControlDisallowedAdmin);

                    return;

                }



                if (mUsbManager != null) {

                    final int userId = UserHandle.myUserId();

                    mPm.clearPackagePreferredActivities(mPackageName);