network: Link to custom eSIM settings

Change-Id: I48cab34d1bb2d7784a4471f17620bc9e8f243bf4
Signed-off-by: Pranav Vashi <neobuddy89@gmail.com>

res/values/cm_strings.xml

@@ -191,4 +191,7 @@
     <string name="battery_maximum_capacity">Maximum capacity</string>
     <string name="battery_maximum_capacity_summary">%1$d mAh (%2$d%%)</string>
     <string name="battery_maximum_capacity_not_available" translatable="false">@string/battery_cycle_count_not_available</string>
+
+    <!-- eSIM settings -->
+    <string name="esim_settings_title">eSIM settings</string>
 </resources>

src/com/android/settings/Utils.java

@@ -156,6 +156,8 @@ public final class Utils extends com.android.settingslib.Utils {
 
     public static final String PHONE_PACKAGE_NAME = "com.android.phone";
 
+    public static final String ESIM_SETTINGS_PACKAGE_NAME = "org.lineageos.settings.esimswitcher";
+
     public static final String OS_PKG = "os";
 
     /**

src/com/android/settings/spa/network/SimsSection.kt

@@ -23,6 +23,7 @@ import android.telephony.SubscriptionInfo
 import android.telephony.euicc.EuiccManager
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.outlined.Add
+import androidx.compose.material.icons.outlined.SettingsApplications
 import androidx.compose.material.icons.outlined.SimCard
 import androidx.compose.material.icons.outlined.SimCardDownload
 import androidx.compose.runtime.Composable
@@ -62,6 +63,7 @@ fun SimsSection(subscriptionInfoList: List<SubscriptionInfo>) {
             SimPreference(subInfo)
         }
 
+        EsimSettings()
         AddSim()
     }
 }
@@ -156,6 +158,46 @@ fun getAddSimIntent() = Intent(EuiccManager.ACTION_PROVISION_EMBEDDED_SUBSCRIPTI
     putExtra(EuiccManager.EXTRA_FORCE_PROVISION, true)
 }
 
+@Composable
+private fun EsimSettings() {
+    val context = LocalContext.current
+
+    val hasEsimSettingsPackage = remember {
+        try {
+            context.packageManager.getPackageInfo(Utils.ESIM_SETTINGS_PACKAGE_NAME, 0)
+            true
+        } catch (_: Exception) {
+            false
+        }
+    }
+
+    val res = context.resources
+    val euiccSlotsArrayId = remember {
+        res.getIdentifier("non_removable_euicc_slots", "array", "android")
+    }
+    val hasNonRemovableEuicc = remember {
+        euiccSlotsArrayId > 0 && (res.getIntArray(euiccSlotsArrayId)?.isNotEmpty() == true)
+    }
+
+    if (hasEsimSettingsPackage && hasNonRemovableEuicc) {
+        RestrictedPreference(
+            model =
+                object : PreferenceModel {
+                    override val title = stringResource(id = R.string.esim_settings_title)
+                    override val icon = @Composable { SettingsIcon(Icons.Outlined.SettingsApplications) }
+                    override val onClick = { startEsimSettingsFlow(context) }
+                },
+            restrictions = Restrictions(keys = listOf(UserManager.DISALLOW_CONFIG_MOBILE_NETWORKS)),
+        )
+    }
+}
+
+fun startEsimSettingsFlow(context: Context) = context.startActivity(getEsimSettingsIntent())
+
+fun getEsimSettingsIntent() = Intent("org.lineageos.settings.device.ESIM_SETTINGS").apply {
+    setPackage(Utils.ESIM_SETTINGS_PACKAGE_NAME)
+}
+
 fun startSatelliteWarningDialogFlow(context: Context) = context.startActivity(getSatelliteWarningDialogIntent(context))
 
 fun getSatelliteWarningDialogIntent(context: Context) = Intent(context,