Balance + Address Retrieval

-Added async balance and address retrieval based on seed

app/src/main/java/com/flashwifi/wifip2p/FundWalletFragment.java

@@ -1,11 +1,19 @@
 package com.flashwifi.wifip2p;
 
-
-import android.os.Bundle;
 import android.app.Fragment;
+import android.content.Context;
+import android.os.AsyncTask;
+import android.os.Bundle;
+import android.os.Handler;
+import android.os.Looper;
+import android.os.Message;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
+import android.widget.TextView;
+import android.widget.Toast;
+
+import java.util.List;
 
 /**
  * A simple {@link Fragment} subclass.
@@ -14,7 +22,15 @@ import android.view.ViewGroup;
  */
 public class FundWalletFragment extends Fragment {
 
+    private static final int TASK_COMPLETE = 1;
     private String seed;
+    private String address;
+    private String balance;
+
+    TextView balanceTextView = null;
+    TextView addressTextView = null;
+
+    Handler mHandler;
 
     public FundWalletFragment() {
         // Required empty public constructor
@@ -38,12 +54,114 @@ public class FundWalletFragment extends Fragment {
         if (bundle != null) {
             seed = bundle.getString("seed");
         }
+
+        //Handle post-asynctask activities of updating UI
+        mHandler = new Handler(Looper.getMainLooper()) {
+            @Override
+            public void handleMessage(Message inputMessage) {
+                switch (inputMessage.what) {
+                    case TASK_COMPLETE:
+                        String returnStatus = (String) inputMessage.obj;
+
+                        if(returnStatus == "noError"){
+                            balanceTextView.setText(balance + " i");
+                            addressTextView.setText(address);
+                            Toast.makeText(getActivity(), "Balance and address updated",
+                                    Toast.LENGTH_SHORT).show();
+                        }
+                        else if (returnStatus == "addressError"){
+                            Toast.makeText(getActivity(), "Error getting address",
+                                    Toast.LENGTH_SHORT).show();
+                        }
+                        else if (returnStatus == "balanceError"){
+                            Toast.makeText(getActivity(), "Error getting balance",
+                                    Toast.LENGTH_SHORT).show();
+                        }
+                        else{
+                            Toast.makeText(getActivity(), "Unknown error",
+                                    Toast.LENGTH_SHORT).show();
+                        }
+                        break;
+                }
+            }
+        };
     }
 
     @Override
     public View onCreateView(LayoutInflater inflater, ViewGroup container,
                              Bundle savedInstanceState) {
         // Inflate the layout for this fragment
-        return inflater.inflate(R.layout.fragment_fund_wallet, container, false);
+        View FundWalletFragmentView = inflater.inflate(R.layout.fragment_fund_wallet, container, false);
+
+        balanceTextView = (TextView) FundWalletFragmentView.findViewById(R.id.FundWalletBalanceValue);
+        addressTextView = (TextView) FundWalletFragmentView.findViewById(R.id.AddressValue);
+
+        // Set Listeners
+        balanceTextView.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                textCopyBalanceClick(balanceTextView);
+            }
+        });
+
+        addressTextView.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                textCopyAddressClick(addressTextView);
+            }
+        });
+
+        Toast.makeText(getActivity(), "Retrieving balance and address...",
+                Toast.LENGTH_SHORT).show();
+
+        AsyncTask.execute(new Runnable() {
+            @Override
+            public void run() {
+                WalletAddressAndBalanceChecker addressAndBalanceCheckerbalanceChecker = new WalletAddressAndBalanceChecker();
+                List<String> addressList = addressAndBalanceCheckerbalanceChecker.getAddress(seed);
+                if(addressList != null){
+                    address = addressList.get(0);
+
+                    balance = addressAndBalanceCheckerbalanceChecker.getBalance(addressList);
+                    if(balance != null){
+                        Message completeMessage = mHandler.obtainMessage(TASK_COMPLETE, "noError");
+                        completeMessage.sendToTarget();
+                    }
+                    else{
+                        //Balance Retrieval Error
+                        Message completeMessage = mHandler.obtainMessage(TASK_COMPLETE, "balanceError");
+                        completeMessage.sendToTarget();
+                    }
+                }
+                else{
+                    //Address Retrieval Error
+                    Message completeMessage = mHandler.obtainMessage(TASK_COMPLETE, "addressError");
+                    completeMessage.sendToTarget();
+                }
+            }
+        });
+        return FundWalletFragmentView;
+    }
+
+    public void textCopyBalanceClick(TextView balanceTextView)
+    {
+        String balanceValue = balanceTextView.getText().toString();
+        setClipboardText(balanceValue);
+        Toast.makeText(getActivity(), "Balance Copied",
+                Toast.LENGTH_SHORT).show();
+    }
+
+    public void textCopyAddressClick(TextView addressTextView)
+    {
+        String addressValue = addressTextView.getText().toString();
+        setClipboardText(addressValue);
+        Toast.makeText(getActivity(), "Address Copied",
+                Toast.LENGTH_SHORT).show();
+    }
+
+    public void setClipboardText(String inText){
+        android.content.ClipboardManager clipboard = (android.content.ClipboardManager) getActivity().getSystemService(Context.CLIPBOARD_SERVICE);
+        android.content.ClipData clip = android.content.ClipData.newPlainText("Copied Text", inText);
+        clipboard.setPrimaryClip(clip);
     }
 }

app/src/main/java/com/flashwifi/wifip2p/MainActivity.java

@@ -158,6 +158,7 @@ public class MainActivity extends AppCompatActivity
         Bundle bundle = new Bundle();
         bundle.putString("seed", seed);
         fragment.setArguments(bundle);
+        fragment.setRetainInstance(true);
 
         // Insert the fragment by replacing any existing fragment
         FragmentManager fragmentManager = getFragmentManager();

app/src/main/java/com/flashwifi/wifip2p/WalletAddressAndBalanceChecker.java

@@ -0,0 +1,56 @@
+package com.flashwifi.wifip2p;
+
+/**
+ * Created by Toby on 1/6/2018.
+ */
+
+import java.util.List;
+
+import jota.IotaAPI;
+import jota.dto.response.GetBalancesResponse;
+import jota.dto.response.GetNewAddressResponse;
+import jota.error.ArgumentException;
+
+public class WalletAddressAndBalanceChecker {
+
+    private static IotaAPI api;
+    //GetNodeInfoResponse response = api.getNodeInfo();
+
+    public WalletAddressAndBalanceChecker() {
+        //Local node:
+        //api = new IotaAPI.Builder().build();
+
+        //Local node:
+        api = new IotaAPI.Builder()
+                .protocol("http")
+                .host("node.iotawallet.info")
+                .port("14265")
+                .build();
+    }
+
+    public String getBalance(List<String> inAaddresses){
+        try {
+            GetBalancesResponse balanceResultResponse = api.getBalances(100, inAaddresses);
+            String balance = balanceResultResponse.getBalances()[0];
+            return balance;
+        } catch (ArgumentException e) {
+            e.printStackTrace();
+            System.out.println("getBalance Error!");
+        }
+        return null;
+    }
+
+    public List<String> getAddress(String seed) {
+        List<String> addressList = null;
+        GetNewAddressResponse addressResponse = null;
+        try {
+            addressResponse = api.getNewAddress(seed, 2, 0, false, 1, true);
+        } catch (ArgumentException e) {
+            e.printStackTrace();
+        }
+        if(addressResponse != null){
+            addressList = addressResponse.getAddresses();
+        }
+        return addressList;
+    }
+}

app/src/main/res/layout/fragment_fund_wallet.xml

@@ -1,81 +1,99 @@
-<LinearLayout
-    xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto"
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
-    tools:context="com.flashwifi.wifip2p.FundWalletFragment"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    android:orientation="vertical">
+    android:orientation="vertical"
+    tools:context="com.flashwifi.wifip2p.FundWalletFragment">
 
-    <TextView
-        android:id="@+id/FundWalletTitleLabel"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:background="#0A387F"
-        android:orientation="vertical"
-        android:paddingBottom="20dp"
-        android:paddingEnd="20dp"
-        android:paddingStart="20dp"
-        android:paddingTop="20dp"
-        android:text="@string/FundWalletAddressTitle"
-        android:textColor="#ffffff"
-        android:textStyle="bold" />
-
-    <TextView
-        android:id="@+id/AddressValue"
+    <LinearLayout
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:background="#0D47A1"
-        android:paddingBottom="20dp"
-        android:paddingEnd="20dp"
-        android:paddingStart="20dp"
-        android:paddingTop="20dp"
-        android:text="@string/FundWalletNoAddress"
-        android:textColor="#ffffff" />
+        android:orientation="horizontal">
+
+        <TextView
+            android:id="@+id/FundWalletBalanceLabel"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:background="#0D47A1"
+            android:orientation="vertical"
+            android:paddingBottom="20dp"
+            android:paddingEnd="20dp"
+            android:paddingStart="20dp"
+            android:paddingTop="20dp"
+            android:text="@string/FundWalletBalance"
+            android:textColor="#ffffff"
+            android:textStyle="bold" />
+
+        <TextView
+            android:id="@+id/FundWalletBalanceValue"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:background="#0D47A1"
+            android:orientation="vertical"
+            android:paddingBottom="20dp"
+            android:paddingEnd="20dp"
+            android:paddingStart="40dp"
+            android:paddingTop="20dp"
+            android:text="0 i"
+            android:textColor="#ffffff"
+            android:textStyle="bold" />
+    </LinearLayout>
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:background="#1365E5"
+        android:orientation="horizontal">
+
+        <TextView
+            android:id="@+id/FundWalletTitleLabel"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:background="#1365E5"
+            android:orientation="vertical"
+            android:paddingBottom="20dp"
+            android:paddingEnd="20dp"
+            android:paddingStart="20dp"
+            android:paddingTop="20dp"
+            android:text="@string/FundWalletAddressTitle"
+            android:textColor="#ffffff"
+            android:textStyle="bold" />
+
+        <TextView
+            android:id="@+id/AddressValue"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:background="#1365E5"
+            android:paddingBottom="20dp"
+            android:paddingEnd="20dp"
+            android:paddingStart="40dp"
+            android:paddingTop="20dp"
+            android:text=""
+            android:textColor="#ffffff" />
+
+    </LinearLayout>
 
     <LinearLayout
         android:layout_width="match_parent"
         android:layout_height="match_parent"
-        android:background="#1365E5"
+        android:background="#1570FF"
         android:orientation="vertical">
 
-        <FrameLayout
+        <TextView
+            android:id="@+id/Temp"
             android:layout_width="match_parent"
-            android:layout_height="0dp"
-            android:layout_weight=".8">
-
-            <TextView
-                android:id="@+id/Temp"
-                android:layout_width="wrap_content"
-                android:layout_height="wrap_content"
-                android:paddingStart="20dp"
-                android:text="QR CODE" />
-        </FrameLayout>
-
-        <FrameLayout
-            android:layout_width="match_parent"
-            android:layout_height="0dp"
-            android:layout_weight=".2">
-
-            <Button
-                android:id="@+id/floatingActionButton"
-                android:layout_width="wrap_content"
-                android:layout_height="wrap_content"
-                android:layout_gravity="bottom|left"
-                android:layout_marginBottom="10dp"
-                android:layout_marginLeft="10dp"
-                android:layout_marginRight="10dp"
-                android:background="#051c40"
-                android:clickable="true"
-                android:elevation="10dp"
-                android:src="@android:drawable/ic_input_add"
-                android:text="+"
-                android:textAlignment="center"
-                android:textColor="#ffffff"
-                android:textSize="20sp"
-                android:textStyle="bold"
-                android:focusable="true"/>
-        </FrameLayout>
+            android:layout_height="wrap_content"
+            android:paddingStart="20dp"
+            android:paddingEnd="20dp"
+            android:paddingTop="20dp"
+            android:paddingBottom="20dp"
+            android:text="QR CODE"
+            android:textColor="#ffffff" />
 
     </LinearLayout>
 

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

@@ -43,9 +43,7 @@
     <string name="iotaNodeTestSuccess">Connection to Iota Node is possible.</string>
 
     <!-- Fund Wallet Fragment -->
-    <string name="FundWalletAddressTitle">ADDRESS:</string>
-    <string name="FundWalletNoAddress">No address generated, click +</string>
-
-
+    <string name="FundWalletAddressTitle">DEPOSIT ADDRESS:</string>
+    <string name="FundWalletBalance">ACCOUNT BLANCE: </string>
 
 </resources>