diff --git a/res/layout/private_dns_mode_dialog.xml b/res/layout/private_dns_mode_dialog.xml
new file mode 100644
index 00000000000..43470559817
--- /dev/null
+++ b/res/layout/private_dns_mode_dialog.xml
@@ -0,0 +1,59 @@
+
+
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/res/xml/development_prefs.xml b/res/xml/development_prefs.xml
index 7d9850d43d4..ecfa5a8f2c0 100644
--- a/res/xml/development_prefs.xml
+++ b/res/xml/development_prefs.xml
@@ -270,10 +270,13 @@
android:entries="@array/bluetooth_a2dp_codec_ldac_playback_quality_titles"
android:entryValues="@array/bluetooth_a2dp_codec_ldac_playback_quality_values" />
-
+
diff --git a/src/com/android/settings/development/DevelopmentSettings.java b/src/com/android/settings/development/DevelopmentSettings.java
index 991c226e65e..6b01831290a 100644
--- a/src/com/android/settings/development/DevelopmentSettings.java
+++ b/src/com/android/settings/development/DevelopmentSettings.java
@@ -223,7 +223,7 @@ public class DevelopmentSettings extends RestrictedSettingsFragment
private static final String BLUETOOTH_SELECT_A2DP_CHANNEL_MODE_KEY = "bluetooth_select_a2dp_channel_mode";
private static final String BLUETOOTH_SELECT_A2DP_LDAC_PLAYBACK_QUALITY_KEY = "bluetooth_select_a2dp_ldac_playback_quality";
- private static final String DNS_TLS_KEY = "dns_tls";
+ private static final String PRIVATE_DNS_PREF_KEY = "select_private_dns_configuration";
private static final String INACTIVE_APPS_KEY = "inactive_apps";
@@ -302,8 +302,6 @@ public class DevelopmentSettings extends RestrictedSettingsFragment
private ListPreference mBluetoothSelectA2dpChannelMode;
private ListPreference mBluetoothSelectA2dpLdacPlaybackQuality;
- private SwitchPreference mDnsTls;
-
private SwitchPreference mOtaDisableAutomaticUpdate;
private SwitchPreference mWifiAllowScansWithTraffic;
private SwitchPreference mStrictMode;
@@ -529,7 +527,7 @@ public class DevelopmentSettings extends RestrictedSettingsFragment
mBluetoothSelectA2dpLdacPlaybackQuality = addListPreference(BLUETOOTH_SELECT_A2DP_LDAC_PLAYBACK_QUALITY_KEY);
initBluetoothConfigurationValues();
- mDnsTls = findAndInitSwitchPref(DNS_TLS_KEY);
+ updatePrivateDnsSummary();
mWindowAnimationScale = addListPreference(WINDOW_ANIMATION_SCALE_KEY);
mTransitionAnimationScale = addListPreference(TRANSITION_ANIMATION_SCALE_KEY);
@@ -862,8 +860,7 @@ public class DevelopmentSettings extends RestrictedSettingsFragment
updateBluetoothDisableAbsVolumeOptions();
updateBluetoothEnableInbandRingingOptions();
updateBluetoothA2dpConfigurationValues();
- updateSwitchPreference(mDnsTls, Settings.Global.getInt(cr,
- Settings.Global.DNS_TLS_DISABLED, 0) == 0);
+ updatePrivateDnsSummary();
}
private void resetDangerousOptions() {
@@ -2242,6 +2239,13 @@ public class DevelopmentSettings extends RestrictedSettingsFragment
}
}
+ private void updatePrivateDnsSummary() {
+ final String summary = PrivateDnsModeDialogPreference.getSummaryStringForModeFromSettings(
+ getActivity().getContentResolver(), getActivity().getResources());
+ final Preference pref = findPreference(PRIVATE_DNS_PREF_KEY);
+ pref.setSummary(summary);
+ }
+
private void writeImmediatelyDestroyActivitiesOptions() {
try {
ActivityManager.getService().setAlwaysFinish(
@@ -2590,10 +2594,6 @@ public class DevelopmentSettings extends RestrictedSettingsFragment
writeBluetoothDisableAbsVolumeOptions();
} else if (preference == mBluetoothEnableInbandRinging) {
writeBluetoothEnableInbandRingingOptions();
- } else if (preference == mDnsTls) {
- Settings.Global.putInt(getActivity().getContentResolver(),
- Settings.Global.DNS_TLS_DISABLED,
- mDnsTls.isChecked() ? 0 : 1);
} else if (SHORTCUT_MANAGER_RESET_KEY.equals(preference.getKey())) {
resetShortcutManagerThrottling();
} else {
diff --git a/src/com/android/settings/development/PrivateDnsModeDialogPreference.java b/src/com/android/settings/development/PrivateDnsModeDialogPreference.java
new file mode 100644
index 00000000000..ee44b08b75d
--- /dev/null
+++ b/src/com/android/settings/development/PrivateDnsModeDialogPreference.java
@@ -0,0 +1,246 @@
+/*
+ * Copyright (C) 2017 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.settings.development;
+
+import static android.net.ConnectivityManager.PRIVATE_DNS_DEFAULT_MODE;
+import static android.net.ConnectivityManager.PRIVATE_DNS_MODE_OFF;
+import static android.net.ConnectivityManager.PRIVATE_DNS_MODE_OPPORTUNISTIC;
+import static android.net.ConnectivityManager.PRIVATE_DNS_MODE_PROVIDER_HOSTNAME;
+
+import android.app.AlertDialog;
+import android.app.Dialog;
+import android.content.ContentResolver;
+import android.content.Context;
+import android.content.DialogInterface;
+import android.content.res.Resources;
+import android.os.Bundle;
+import android.provider.Settings;
+import android.support.v14.preference.PreferenceDialogFragment;
+import android.support.v7.preference.DialogPreference;
+import android.text.Editable;
+import android.text.TextUtils;
+import android.text.TextWatcher;
+import android.util.AttributeSet;
+import android.util.Log;
+import android.view.inputmethod.EditorInfo;
+import android.view.KeyEvent;
+import android.view.View;
+import android.view.ViewGroup.LayoutParams;
+import android.view.ViewGroup.MarginLayoutParams;
+import android.widget.CompoundButton;
+import android.widget.CompoundButton.OnCheckedChangeListener;
+import android.widget.EditText;
+import android.widget.RadioButton;
+import android.widget.TextView;
+import android.widget.TextView.OnEditorActionListener;
+
+import com.android.settings.R;
+import com.android.settingslib.CustomDialogPreference;
+
+
+public class PrivateDnsModeDialogPreference extends CustomDialogPreference
+ implements OnCheckedChangeListener, TextWatcher, OnEditorActionListener {
+ private static final String TAG = PrivateDnsModeDialogPreference.class.getSimpleName();
+
+ private static final String MODE_KEY = Settings.Global.PRIVATE_DNS_MODE;
+ private static final String HOSTNAME_KEY = Settings.Global.PRIVATE_DNS_SPECIFIER;
+ private String mMode;
+ private EditText mEditText;
+
+ public static String getSummaryStringForModeFromSettings(ContentResolver cr, Resources res) {
+ final String mode = getModeFromSettings(cr);
+ switch (mode) {
+ case PRIVATE_DNS_MODE_OFF:
+ return res.getString(R.string.private_dns_mode_off);
+ case PRIVATE_DNS_MODE_OPPORTUNISTIC:
+ return res.getString(R.string.private_dns_mode_opportunistic);
+ case PRIVATE_DNS_MODE_PROVIDER_HOSTNAME:
+ return getHostnameFromSettings(cr);
+ default:
+ return "unknown";
+ }
+ }
+
+ public PrivateDnsModeDialogPreference(Context context, AttributeSet attrs, int defStyleAttr,
+ int defStyleRes) {
+ super(context, attrs, defStyleAttr, defStyleRes);
+ }
+
+ public PrivateDnsModeDialogPreference(Context context, AttributeSet attrs, int defStyleAttr) {
+ super(context, attrs, defStyleAttr);
+ }
+
+ public PrivateDnsModeDialogPreference(Context context, AttributeSet attrs) {
+ super(context, attrs);
+ }
+
+ public PrivateDnsModeDialogPreference(Context context) {
+ super(context);
+ }
+
+ // This is called first when the dialog is launched.
+ @Override
+ protected void onBindDialogView(View view) {
+ final String mode = getModeFromSettings();
+
+ RadioButton rb = (RadioButton) view.findViewById(R.id.private_dns_mode_off);
+ if (mode.equals(PRIVATE_DNS_MODE_OFF)) rb.setChecked(true);
+ rb.setOnCheckedChangeListener(this);
+
+ rb = (RadioButton) view.findViewById(R.id.private_dns_mode_opportunistic);
+ if (mode.equals(PRIVATE_DNS_MODE_OPPORTUNISTIC)) rb.setChecked(true);
+ rb.setOnCheckedChangeListener(this);
+
+ rb = (RadioButton) view.findViewById(R.id.private_dns_mode_provider);
+ if (mode.equals(PRIVATE_DNS_MODE_PROVIDER_HOSTNAME)) rb.setChecked(true);
+ rb.setOnCheckedChangeListener(this);
+
+ mEditText = (EditText) view.findViewById(R.id.private_dns_mode_provider_hostname);
+ mEditText.setOnEditorActionListener(this);
+ mEditText.addTextChangedListener(this);
+
+ // (Mostly) Fix the EditText field's indentation to align underneath the
+ // displayed radio button text, and not under the radio button itself.
+ final int padding = rb.isLayoutRtl()
+ ? rb.getCompoundPaddingRight()
+ : rb.getCompoundPaddingLeft();
+ final MarginLayoutParams marginParams = (MarginLayoutParams) mEditText.getLayoutParams();
+ marginParams.setMarginStart(marginParams.getMarginStart() + padding);
+ mEditText.setLayoutParams(marginParams);
+ mEditText.setText(getHostnameFromSettings());
+
+ setDialogValue(mode);
+ }
+
+ @Override
+ protected void onDialogClosed(boolean positiveResult) {
+ if (!positiveResult) return;
+
+ saveDialogValue();
+ setSummary(getSummaryStringForModeFromSettings(
+ getContext().getContentResolver(), getContext().getResources()));
+ }
+
+ @Override
+ public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
+ if (!isChecked) return;
+
+ switch (buttonView.getId()) {
+ case R.id.private_dns_mode_off:
+ setDialogValue(PRIVATE_DNS_MODE_OFF);
+ break;
+ case R.id.private_dns_mode_opportunistic:
+ setDialogValue(PRIVATE_DNS_MODE_OPPORTUNISTIC);
+ break;
+ case R.id.private_dns_mode_provider:
+ setDialogValue(PRIVATE_DNS_MODE_PROVIDER_HOSTNAME);
+ break;
+ default:
+ // Unknown button; ignored.
+ break;
+ }
+ }
+
+ @Override
+ public boolean onEditorAction(TextView tv, int actionId, KeyEvent k) {
+ if (actionId == EditorInfo.IME_ACTION_DONE) {
+ saveDialogValue();
+ getDialog().dismiss();
+ return true;
+ }
+ return false;
+ }
+
+ @Override
+ public void beforeTextChanged(CharSequence s, int start, int count, int after) { return; }
+
+ @Override
+ public void onTextChanged(CharSequence s, int start, int before, int count) { return; }
+
+ @Override
+ public void afterTextChanged(Editable s) {
+ final String hostname = s.toString();
+ final boolean appearsValid = isWeaklyValidatedHostname(hostname);
+ // TODO: Disable the "positive button" ("Save") when appearsValid is false.
+ }
+
+ private void setDialogValue(String mode) {
+ mMode = mode;
+ final boolean txtEnabled = mMode.equals(PRIVATE_DNS_MODE_PROVIDER_HOSTNAME);
+ mEditText.setEnabled(txtEnabled);
+ }
+
+ private void saveDialogValue() {
+ if (!isValidMode(mMode)) {
+ mMode = PRIVATE_DNS_DEFAULT_MODE;
+ }
+
+ if (mMode.equals(PRIVATE_DNS_MODE_PROVIDER_HOSTNAME)) {
+ final String hostname = mEditText.getText().toString();
+ if (isWeaklyValidatedHostname(hostname)) {
+ saveHostnameToSettings(hostname);
+ } else {
+ // TODO: Once quasi-validation of hostnames works and acceptable
+ // user signaling is working, this can be deleted.
+ mMode = PRIVATE_DNS_MODE_OPPORTUNISTIC;
+ if (TextUtils.isEmpty(hostname)) saveHostnameToSettings("");
+ }
+ }
+
+ saveModeToSettings(mMode);
+ }
+
+ private String getModeFromSettings() {
+ return getModeFromSettings(getContext().getContentResolver());
+ }
+
+ private void saveModeToSettings(String value) {
+ Settings.Global.putString(getContext().getContentResolver(), MODE_KEY, value);
+ }
+
+ private String getHostnameFromSettings() {
+ return getHostnameFromSettings(getContext().getContentResolver());
+ }
+
+ private void saveHostnameToSettings(String hostname) {
+ Settings.Global.putString(getContext().getContentResolver(), HOSTNAME_KEY, hostname);
+ }
+
+ private static String getModeFromSettings(ContentResolver cr) {
+ final String mode = Settings.Global.getString(cr, MODE_KEY);
+ return isValidMode(mode) ? mode : PRIVATE_DNS_DEFAULT_MODE;
+ }
+
+ private static boolean isValidMode(String mode) {
+ return !TextUtils.isEmpty(mode) && (
+ mode.equals(PRIVATE_DNS_MODE_OFF) ||
+ mode.equals(PRIVATE_DNS_MODE_OPPORTUNISTIC) ||
+ mode.equals(PRIVATE_DNS_MODE_PROVIDER_HOSTNAME));
+ }
+
+ private static String getHostnameFromSettings(ContentResolver cr) {
+ return Settings.Global.getString(cr, HOSTNAME_KEY);
+ }
+
+ private static boolean isWeaklyValidatedHostname(String hostname) {
+ // TODO: Find and use a better validation method. Specifically:
+ // [1] this should reject IP string literals, and
+ // [2] do the best, simplest, future-proof verification that
+ // the input approximates a DNS hostname.
+ final String WEAK_HOSTNAME_REGEX = "^[a-zA-Z0-9_.-]+$";
+ return hostname.matches(WEAK_HOSTNAME_REGEX);
+ }
+}