Testnet improvements.

Also, change the app name so it is easier to tell testnet and mainnet builds apart on the device.

samples/demo-app/app/src/main/java/cash/z/ecc/android/sdk/demoapp/demos/listutxos/ListUtxosFragment.kt

@@ -55,16 +55,14 @@ class ListUtxosFragment : BaseDemoFragment<FragmentListUtxosBinding>() {
     private var status: Synchronizer.Status? = null
 
     private val isSynced get() = status == Synchronizer.Status.SYNCED
-    val latestBlockHeight = 935000
 
     override fun inflateBinding(layoutInflater: LayoutInflater): FragmentListUtxosBinding =
         FragmentListUtxosBinding.inflate(layoutInflater)
 
     fun initUi() {
-
         binding.inputAddress.setText(address)
         binding.inputRangeStart.setText(ZcashSdk.SAPLING_ACTIVATION_HEIGHT.toString())
-        binding.inputRangeEnd.setText(latestBlockHeight.toString())
+        binding.inputRangeEnd.setText(config.utxoEndHeight.toString())
 
         binding.buttonLoad.setOnClickListener {
             mainActivity()?.hideKeyboard()
@@ -81,7 +79,7 @@ class ListUtxosFragment : BaseDemoFragment<FragmentListUtxosBinding>() {
             binding.textStatus.requestFocus()
             val addressToUse = binding.inputAddress.text.toString()
             val startToUse = binding.inputRangeStart.text.toString().toIntOrNull() ?: ZcashSdk.SAPLING_ACTIVATION_HEIGHT
-            val endToUse = binding.inputRangeEnd.text.toString().toIntOrNull() ?: latestBlockHeight
+            val endToUse = binding.inputRangeEnd.text.toString().toIntOrNull() ?: config.utxoEndHeight
             var allStart = now
             twig("loading transactions in range $startToUse..$endToUse")
             val txids = lightwalletService?.getTAddressTransactions(addressToUse, startToUse..endToUse)

samples/demo-app/app/src/zcashmainnet/java/cash/z/ecc/android/sdk/demoapp/DemoConfig.kt

@@ -8,6 +8,7 @@ data class DemoConfig(
     val host: String = "lightwalletd.electriccoin.co",
     val port: Int = 9067,
     val birthdayHeight: Int = 968000,
+    val utxoEndHeight: Int = 968085,
     val sendAmount: Double = 0.000018,
 
     // corresponds to address: zs15tzaulx5weua5c7l47l4pku2pw9fzwvvnsp4y80jdpul0y3nwn5zp7tmkcclqaca3mdjqjkl7hx

samples/demo-app/app/src/zcashmainnet/res/values/strings.xml

@@ -1,4 +1,4 @@
 <resources>
-    <string name="app_name">Demo App - Mainnet</string>
+    <string name="app_name"Mainnet Demo</string>
     <string name="nav_header_title">Android SDK Demo : MAINNET</string>
 </resources>

samples/demo-app/app/src/zcashtestnet/java/cash/z/ecc/android/sdk/demoapp/DemoConfig.kt

@@ -4,8 +4,9 @@ data class DemoConfig(
     val alias: String = "SdkDemo",
     val host: String = "lightwalletd.testnet.electriccoin.co",
     val port: Int = 9067,
-    val birthdayHeight: Int = 820_000,
-    val sendAmount: Double = 0.0018,
+    val birthdayHeight: Int = 954_500,
+    val utxoEndHeight: Int = 1075590,
+    val sendAmount: Double = 0.00017,
 
     // corresponds to address: ztestsapling1zhqvuq8zdwa8nsnde7074kcfsat0w25n08jzuvz5skzcs6h9raxu898l48xwr8fmkny3zqqrgd9
     val initialSeedWords: String = "wish puppy smile loan doll curve hole maze file ginger hair nose key relax knife witness cannon grab despair throw review deal slush frame",

samples/demo-app/app/src/zcashtestnet/res/values/strings.xml

@@ -1,4 +1,4 @@
 <resources>
-    <string name="app_name">Demo App - Testnet</string>
+    <string name="app_name">Testnet Demo</string>
     <string name="nav_header_title">Android SDK Demo : TESTNET</string>
 </resources>