[android] Ask for action after reading CHIP NFC Tag (project-chip#4425)

When NFC Tag containing commissioning information of a CHIP
device is read, ask a user for an action to take:
- display the device information
- provision into a Wi-Fi network
- provision into a Thread network

Author: Damian-Nordic

src/android/CHIPTool/app/src/main/java/com/google/chip/chiptool/CHIPToolActivity.kt

@@ -21,6 +21,7 @@ import android.content.Intent
 import android.nfc.NdefMessage
 import android.nfc.NfcAdapter
 import android.os.Bundle
+import androidx.appcompat.app.AlertDialog
 import androidx.appcompat.app.AppCompatActivity
 import androidx.fragment.app.Fragment
 import chip.setuppayload.SetupPayloadParser
@@ -146,15 +147,31 @@ class CHIPToolActivity :
 
     val setupPayload = SetupPayloadParser().parseQrCode(uri.toString().toUpperCase())
     val deviceInfo = CHIPDeviceInfo(
-            setupPayload.version,
-            setupPayload.vendorId,
-            setupPayload.productId,
-            setupPayload.discriminator,
-            setupPayload.setupPinCode,
-            setupPayload.optionalQRCodeInfo.mapValues { (_, info) ->  QrCodeInfo(info.tag, info.type, info.data, info.int32) }
+        setupPayload.version,
+        setupPayload.vendorId,
+        setupPayload.productId,
+        setupPayload.discriminator,
+        setupPayload.setupPinCode,
+        setupPayload.optionalQRCodeInfo.mapValues { (_, info) -> QrCodeInfo(info.tag, info.type, info.data, info.int32) }
     )
 
-    onCHIPDeviceInfoReceived(deviceInfo)
+    val buttons = arrayOf(
+        getString(R.string.nfc_tag_action_show),
+        getString(R.string.nfc_tag_action_wifi),
+        getString(R.string.nfc_tag_action_thread))
+
+    AlertDialog.Builder(this)
+        .setTitle(R.string.nfc_tag_action_title)
+        .setItems(buttons) { _, which ->
+          this.networkType = when (which) {
+            1 -> ProvisionNetworkType.WIFI
+            2 -> ProvisionNetworkType.THREAD
+            else -> null
+          }
+          onCHIPDeviceInfoReceived(deviceInfo)
+        }
+        .create()
+        .show()
   }
 
   companion object {

src/android/CHIPTool/app/src/main/res/values/strings.xml

@@ -82,4 +82,9 @@
     <string name="enter_thread_master_key_text">00:11:22:33:44:55:66:77:88:99:AA:BB:CC:DD:EE:FF</string>
     <string name="enter_thread_save_network_btn">Save network</string>
 
+    <string name="nfc_tag_action_title">CHIP NFC Tag read. Choose an action:</string>
+    <string name="nfc_tag_action_show">Show device information</string>
+    <string name="nfc_tag_action_wifi">Provision into Wi-Fi network</string>
+    <string name="nfc_tag_action_thread">Provision into Thread network</string>
+
 </resources>