Add DISALLOW_DATA_ROAMING restriction support to settings
Added RestrictedSwitchPreference to generalize device admin restriction
support for Telephony. Implemented handling of DISALLOW_DATA_ROAMING
restriction using this.
Bug: 24890464
Change-Id: Ice1fb169527c7612be732719523252f773283961
https://screenshot.googleplex.com/u76rW3HK4Jr
https://screenshot.googleplex.com/xqKUwVofyFB
diff --git a/src/com/android/phone/RestrictedSwitchPreference.java b/src/com/android/phone/RestrictedSwitchPreference.java
new file mode 100644
index 0000000..6af75b7
--- /dev/null
+++ b/src/com/android/phone/RestrictedSwitchPreference.java
@@ -0,0 +1,95 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.phone;
+
+import android.content.Context;
+import android.content.Intent;
+import android.graphics.drawable.Drawable;
+import android.os.UserManager;
+import android.preference.PreferenceScreen;
+import android.preference.SwitchPreference;
+import android.provider.Settings;
+import android.util.AttributeSet;
+import android.view.View;
+import android.widget.TextView;
+
+public class RestrictedSwitchPreference extends SwitchPreference {
+ private final Context mContext;
+ private final Drawable mRestrictedPadlock;
+ private final int mRestrictedPadlockPadding;
+ private boolean mDisabledByAdmin;
+
+ public RestrictedSwitchPreference(Context context, AttributeSet attrs,
+ int defStyleAttr, int defStyleRes) {
+ super(context, attrs, defStyleAttr, defStyleRes);
+ mContext = context;
+ mRestrictedPadlock = mContext
+ .getDrawable(R.drawable.ic_settings_lock_outline);
+ final int iconSize = mContext.getResources().getDimensionPixelSize(
+ R.dimen.restricted_lock_icon_size);
+ mRestrictedPadlock.setBounds(0, 0, iconSize, iconSize);
+ mRestrictedPadlockPadding = mContext.getResources()
+ .getDimensionPixelSize(R.dimen.restricted_lock_icon_padding);
+ }
+
+ public RestrictedSwitchPreference(Context context, AttributeSet attrs, int defStyleAttr) {
+ this(context, attrs, defStyleAttr, 0);
+ }
+
+ public RestrictedSwitchPreference(Context context, AttributeSet attrs) {
+ this(context, attrs, com.android.internal.R.attr.switchPreferenceStyle);
+ }
+
+ public RestrictedSwitchPreference(Context context) {
+ this(context, null);
+ }
+
+ @Override
+ public void onBindView(View view) {
+ super.onBindView(view);
+ final TextView titleView = (TextView) view.findViewById(com.android.internal.R.id.title);
+ if (titleView != null) {
+ if (mDisabledByAdmin) {
+ view.setEnabled(true);
+ titleView.setCompoundDrawablesRelative(null, null, mRestrictedPadlock, null);
+ titleView.setCompoundDrawablePadding(mRestrictedPadlockPadding);
+ } else {
+ titleView.setCompoundDrawablesRelative(null, null, null, null);
+ }
+ }
+ }
+
+ public void checkRestrictionAndSetDisabled(String userRestriction) {
+ final UserManager mUm = (UserManager) mContext.getSystemService(Context.USER_SERVICE);
+ if (mUm.hasUserRestriction(userRestriction)) {
+ mDisabledByAdmin = true;
+ setEnabled(false);
+ } else {
+ mDisabledByAdmin = false;
+ }
+ }
+
+ @Override
+ public void performClick(PreferenceScreen preferenceScreen) {
+ if (mDisabledByAdmin) {
+ Intent intent = new Intent(Settings.ACTION_SHOW_ADMIN_SUPPORT_DETAILS);
+ mContext.startActivity(intent);
+ } else {
+ super.performClick(preferenceScreen);
+ }
+ }
+}