Added Shell commands to manage hidden apps

Test: adb shell dumpsys activity service com.afwsamples.testdpc is-hidden-package com.android.gallery3d
Test: adb shell dumpsys activity service com.afwsamples.testdpc set-hidden-package com.android.gallery3d true

Bug: 171350084
Bug: 181154143
Change-Id: Id1cf8c208a1bf82e3b501790e80d0ec01b43dee2
(cherry picked from commit eb82ac297b010a46944b755805cf2e1f7cee28ce)

Author: the-felipeal

app/src/main/java/com/afwsamples/testdpc/DevicePolicyManagerGateway.java

@@ -244,6 +244,17 @@ void setPackagesSuspended(String[] packageNames, boolean suspended, @NonNull Con
      */
     boolean isPackageSuspended(String packageName) throws NameNotFoundException;
 
+    /**
+     * See {@link android.app.admin.DevicePolicyManager#setApplicationHidden(ComponentName, String, boolean)}.
+     */
+    void setApplicationHidden(String packageName, boolean suspended, @NonNull Consumer<Void> onSuccess,
+        @NonNull Consumer<Exception> onError);
+
+    /**
+     * See {@link android.app.admin.DevicePolicyManager#isApplicationHidden(ComponentName, String)}.
+     */
+    boolean isApplicationHidden(String packageName) throws NameNotFoundException;
+
     // TODO(b/171350084): use in other places
     /**
      * See {@link android.app.admin.DevicePolicyManager#setLockTaskPackages(ComponentName, String[])}.

app/src/main/java/com/afwsamples/testdpc/DevicePolicyManagerGatewayImpl.java

@@ -480,6 +480,24 @@ public void setLockTaskPackages(String[] packages, Consumer<Void> onSuccess,
         }
     }
 
+    @Override
+    public void setApplicationHidden(String packageName, boolean hidden,
+            Consumer<Void> onSuccess, Consumer<Exception> onError) {
+        Log.d(TAG, "setApplicationHidden(" + packageName + ", " + hidden + ")");
+
+        try {
+            mDevicePolicyManager.setApplicationHidden(mAdminComponentName, packageName, hidden);
+            onSuccess.accept(null);
+        } catch (Exception e) {
+            onError.accept(e);
+        }
+    }
+
+    @Override
+    public boolean isApplicationHidden(String packageName) throws NameNotFoundException {
+        return mDevicePolicyManager.isApplicationHidden(mAdminComponentName, packageName);
+    }
+
     @Override
     public String[] getLockTaskPackages() {
         return mDevicePolicyManager.getLockTaskPackages(mAdminComponentName);

app/src/main/java/com/afwsamples/testdpc/ShellCommand.java

@@ -78,7 +78,9 @@ final class ShellCommand {
     private static final String CMD_GET_PASSWORD_QUALITY = "get-password-quality";
     private static final String CMD_TRANSFER_OWNERSHIP = "transfer-ownership";
     private static final String CMD_SET_SUSPENDED_PACKAGES = "set-suspended-packages";
-    private static final String CMD_IS_PACKAGE_SUSPENDED = "is-package-suspended";
+    private static final String CMD_LIST_PACKAGE_SUSPENDED = "list-suspended-packages";
+    private static final String CMD_SET_HIDDEN_PACKAGE = "set-hidden-package";
+    private static final String CMD_IS_HIDDEN_PACKAGE = "is-hidden-package";
     private static final String CMD_SET_LOCK_TASK_PACKAGES = "set-lock-task-packages";
     private static final String CMD_GET_LOCK_TASK_PACKAGES = "get-lock-task-packages";
     private static final String CMD_IS_LOCK_TASK_PERMITTED = "is-lock-task-permitted";
@@ -194,10 +196,16 @@ public void run() {
                 execute(() -> transferOwnership());
                 break;
             case CMD_SET_SUSPENDED_PACKAGES:
-                execute(() -> setPackagesSuspended());
+                execute(() -> setSuspendedPackages());
                 break;
-            case CMD_IS_PACKAGE_SUSPENDED:
-                execute(() -> isPackageSuspended());
+            case CMD_LIST_PACKAGE_SUSPENDED:
+                execute(() -> listSuspendedPackages());
+                break;
+            case CMD_SET_HIDDEN_PACKAGE:
+                execute(() -> setHiddenPackage());
+                break;
+            case CMD_IS_HIDDEN_PACKAGE:
+                execute(() -> isHiddenPackage());
                 break;
             case CMD_SET_LOCK_TASK_PACKAGES:
                 execute(() -> setLockTaskPackages());
@@ -281,7 +289,11 @@ private void showUsage() {
         mWriter.printf("\t%s <SUSPENDED> <PKG1> [PKG2] [PGKN] - suspend / unsuspend the given "
                 + "packages\n", CMD_SET_SUSPENDED_PACKAGES);
         mWriter.printf("\t%s <PKG1> [PKG2] [PKGN] - checks if the given packages are suspended\n",
-                CMD_IS_PACKAGE_SUSPENDED);
+                CMD_LIST_PACKAGE_SUSPENDED);
+        mWriter.printf("\t%s <PKG> <HIDDEN> - hide / unhide the given package\n",
+                CMD_SET_HIDDEN_PACKAGE);
+        mWriter.printf("\t%s <PKG> - checks if the given package is hidden\n",
+                CMD_IS_HIDDEN_PACKAGE);
         mWriter.printf("\t%s <PKG1> [PKG2] [PGKN] - set the packages allowed to have tasks locked"
                 + "\n", CMD_SET_LOCK_TASK_PACKAGES);
         mWriter.printf("\t%s - get the packages allowed to have tasks locked\n",
@@ -560,7 +572,7 @@ private static String suspendedToString(boolean suspended) {
         return suspended ? "SUSPENDED" : "NOT SUSPENDED";
     }
 
-    private void setPackagesSuspended() {
+    private void setSuspendedPackages() {
         boolean suspended = Boolean.parseBoolean(mArgs[1]);
         String[] packageNames = getArrayFromArgs(/* index= */ 2);
 
@@ -575,7 +587,7 @@ private void setPackagesSuspended() {
             (e) -> onError(e, "Error settings %s to %s", printableNames, printableStatus));
     }
 
-    private void isPackageSuspended() {
+    private void listSuspendedPackages() {
         getListFromAllArgs().forEach((packageName) -> {
             try {
                 boolean suspended = mDevicePolicyManagerGateway.isPackageSuspended(packageName);
@@ -586,6 +598,33 @@ private void isPackageSuspended() {
         });
     }
 
+    private static String hiddenToString(boolean hidden) {
+        return hidden ? "HIDDEN" : "VISIBLE";
+    }
+
+    private void setHiddenPackage() {
+        // TODO(b/171350084): check args
+        String packageName = mArgs[1];
+        boolean hidden = Boolean.parseBoolean(mArgs[2]);
+        String printableStatus = hiddenToString(hidden);
+
+        Log.i(TAG, "setHiddenPackages(" + packageName + "): " + printableStatus);
+        mDevicePolicyManagerGateway.setApplicationHidden(packageName, hidden,
+            (v) -> onSuccess("Set %s as %s", packageName, printableStatus),
+            (e) -> onError(e, "Error settings %s as %s", packageName, printableStatus));
+    }
+
+    private void isHiddenPackage() {
+        // TODO(b/171350084): check args
+        String packageName = mArgs[1];
+        try {
+            boolean hidden = mDevicePolicyManagerGateway.isApplicationHidden(packageName);
+            mWriter.printf("%s: %s\n", packageName, hiddenToString(hidden));
+        } catch (NameNotFoundException e) {
+            mWriter.printf("Invalid package name: %s\n", packageName);
+        }
+    }
+
     private void setLockTaskPackages() {
         String[] packages = getArrayFromArgs(/* index= */ 1);