account settings: allow to disable proxy list

GitLab: #1720
Change-Id: Ia286ea86dbc7f473370f126db4eba8378b0fb1cf

jami-android/app/src/main/res/values/strings_account.xml

@@ -145,6 +145,7 @@ along with this program; if not, write to the Free Software
     <string name="enabled">Enabled</string>
     <string name="account_proxy_label">DHT proxy</string>
     <string name="account_proxy_enable_label">Use DHT proxy</string>
+    <string name="account_proxy_list_enable_label">Use DHT proxy list</string>
     <string name="account_proxy_server_label">DHT proxy address</string>
     <string name="account_proxy_server_list_label">DHT proxy list URL</string>
     <string name="account_proxy_server_used">Using: %1$s</string>

jami-android/app/src/main/res/xml/account_advanced_prefs.xml

@@ -14,7 +14,8 @@ GNU General Public License for more details.
 You should have received a copy of the GNU General Public License
 along with this program.  If not, see <http://www.gnu.org/licenses/>.
 -->
-<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android">
+<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto">
 
     <EditTextPreference
         android:key="Account.hostname"
@@ -61,13 +62,23 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
             android:summary=""
             android:title="@string/account_proxy_server_label" />
 
+        <SwitchPreferenceCompat
+            android:icon="@drawable/baseline_article_24"
+            android:dependency="Account.proxyEnabled"
+            android:key="Account.proxyListEnabled"
+            android:persistent="false"
+            android:summaryOff="@string/disabled"
+            android:summaryOn="@string/enabled"
+            android:title="@string/account_proxy_list_enable_label" />
+
         <EditTextPreference
             android:defaultValue=""
-            android:dependency="Account.proxyEnabled"
+            android:dependency="Account.proxyListEnabled"
             android:key="Account.dhtProxyListUrl"
             android:persistent="false"
             android:summary=""
             android:title="@string/account_proxy_server_list_label"/>
+
     </PreferenceCategory>
 
     <PreferenceCategory android:title="@string/account_peer_discovery_label">

jami-android/libjamiclient/src/main/kotlin/net/jami/model/ConfigKey.kt

@@ -94,6 +94,7 @@ enum class ConfigKey(val key: String, val isBool: Boolean = false) {
     DHT_PORT("DHT.port"),
     DHT_PUBLIC_IN("DHT.PublicInCalls", true),
     PROXY_ENABLED("Account.proxyEnabled", true),
+    PROXY_LIST_ENABLED("Account.proxyListEnabled", true),
     PROXY_SERVER("Account.proxyServer"),
     PROXY_SERVER_LIST("Account.dhtProxyListUrl"),
     PROXY_PUSH_TOKEN("Account.proxyPushToken"),
@@ -104,7 +105,7 @@ enum class ConfigKey(val key: String, val isBool: Boolean = false) {
     UI_CUSTOMIZATION("Account.uiCustomization");
 
     companion object {
-        private val keyMap = values().associateByTo(HashMap(values().size)) { it.key }
+        private val keyMap = entries.associateByTo(HashMap(entries.size)) { it.key }
         fun fromString(stringKey: String): ConfigKey? = keyMap[stringKey]
     }
 }