Merge remote-tracking branch 'origin/master'

# Conflicts:
#	app/src/main/java/cy/agorise/crystalwallet/manager/FileBackupManager.java
#	app/src/main/java/cy/agorise/crystalwallet/requestmanagers/CreateBackupRequest.java
#	app/src/main/java/cy/agorise/crystalwallet/requestmanagers/FileServiceRequest.java

app/src/main/java/cy/agorise/crystalwallet/fragments/BackupsSettingsFragment.java

@@ -1,17 +1,30 @@
 package cy.agorise.crystalwallet.fragments;
 
 import android.os.Bundle;
+import android.os.Environment;
 import android.support.v4.app.Fragment;
 import android.text.Spannable;
 import android.text.SpannableStringBuilder;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
+import android.widget.Button;
 import android.widget.TextView;
+import android.widget.Toast;
+
+import java.io.File;
+import java.text.DateFormat;
+import java.text.SimpleDateFormat;
+import java.util.Date;
 
 import butterknife.BindView;
 import butterknife.ButterKnife;
+import butterknife.OnClick;
 import cy.agorise.crystalwallet.R;
+import cy.agorise.crystalwallet.requestmanagers.CreateBackupRequest;
+import cy.agorise.crystalwallet.requestmanagers.FileServiceRequest;
+import cy.agorise.crystalwallet.requestmanagers.FileServiceRequestListener;
+import cy.agorise.crystalwallet.requestmanagers.FileServiceRequests;
 
 /**
  * Created by xd on 1/11/18.
@@ -38,6 +51,9 @@ public class BackupsSettingsFragment extends Fragment{
     @BindView(R.id.tvWIFKey)
     public TextView tvWIFKey;
 
+    @BindView(R.id.btnBinFile)
+    public Button btnBinFile;
+
     @Override
     public View onCreateView(LayoutInflater inflater, ViewGroup container,
                              Bundle savedInstanceState) {
@@ -59,4 +75,29 @@ public class BackupsSettingsFragment extends Fragment{
 
         return ssb;
     }
+
+    @OnClick(R.id.btnBinFile)
+    public void makeBackupFile(){
+        if (Environment.getExternalStorageState() == Environment.MEDIA_MOUNTED) {
+            
+            final CreateBackupRequest backupFileRequest = new CreateBackupRequest(getContext());
+
+            backupFileRequest.setListener(new FileServiceRequestListener() {
+                @Override
+                public void onCarryOut() {
+                    if (backupFileRequest.getStatus() == CreateBackupRequest.StatusCode.SUCCEEDED){
+                        Toast toast = Toast.makeText(
+                                getContext(), "Backup done! File: "+backupFileRequest.getFilePath(), Toast.LENGTH_LONG);
+                        toast.show();
+                    } else if (backupFileRequest.getStatus() == CreateBackupRequest.StatusCode.FAILED){
+                        Toast toast = Toast.makeText(
+                                getContext(), "An error ocurred while making the backup!", Toast.LENGTH_LONG);
+                        toast.show();
+                    }
+                }
+            });
+
+            FileServiceRequests.getInstance().addRequest(backupFileRequest);
+        }
+    }
 }

app/src/main/java/cy/agorise/crystalwallet/manager/FileBackupManager.java

@@ -5,7 +5,9 @@ import android.os.Environment;
 import java.io.BufferedOutputStream;
 import java.io.File;
 import java.io.FileOutputStream;
+import java.text.SimpleDateFormat;
 import java.util.ArrayList;
+import java.util.Date;
 import java.util.List;
 
 import cy.agorise.crystalwallet.dao.CrystalDatabase;
@@ -92,12 +94,15 @@ public class FileBackupManager implements FileServiceRequestsListener {
     static void saveBinContentToFile(List<Integer> content, String fileName, CreateBackupRequest request )
     {
 
+        SimpleDateFormat df = new SimpleDateFormat("yyyy_MM_dd_HH_mm_ss");
+        String dateHourString = df.format(new Date());
+
         String folder = Environment.getExternalStorageDirectory() + File.separator + "Crystal"; //TODO make constant
-        String path =  folder + File.separator + fileName + ".bin";
+        String path =  folder + File.separator + fileName + dateHourString +".bin";
 
         boolean success = saveBinFile(path,content,request);
         if(success) {
-            request.setStatus(CreateBackupRequest.StatusCode.OK);
+            request.setStatus(CreateBackupRequest.StatusCode.SUCCEEDED);
         }else{
             request.setStatus(CreateBackupRequest.StatusCode.FAILED);
         }

app/src/main/java/cy/agorise/crystalwallet/requestmanagers/CreateBackupRequest.java

@@ -12,33 +12,43 @@ import cy.agorise.crystalwallet.models.AccountSeed;
 public class CreateBackupRequest extends FileServiceRequest {
 
     public enum StatusCode{
-        PROCESSING(0),
+        NOT_STARTED,
-        OK(1),
+        SUCCEEDED,
-        FAILED(2);
+        FAILED
-
-        protected long code;
-
-        StatusCode(long code) {
-            this.code = code;
     }
 
-        public long getCode() {
+    private String filePath;
-            return code;
+    private StatusCode status;
-        }
+
+    public CreateBackupRequest(Context context) {
+        super(context);
+        this.filePath = "";
+        this.status = StatusCode.NOT_STARTED;
     }
 
-    private StatusCode status = StatusCode.PROCESSING;
+    public void setFilePath(String filePath){
-
+        this.filePath = filePath;
-    public CreateBackupRequest(Context context, String password) {
+        this.validate();
-        super(context,password);
     }
 
-    public void setStatus(StatusCode status) {
+    public void setStatus(StatusCode statusCode){
-        this.status = status;
+        this.status = statusCode;
-        this._fireOnCarryOutEvent();
+        this.validate();
     }
 
     public StatusCode getStatus(){
-        return status;
+        return this.status;
+    }
+
+    public String getFilePath() {
+        return this.filePath;
+    }
+
+    public void validate(){
+        if (this.status != StatusCode.NOT_STARTED){
+            this._fireOnCarryOutEvent();
         }
     }
+
+
+}

app/src/main/java/cy/agorise/crystalwallet/requestmanagers/FileServiceRequest.java

@@ -10,10 +10,12 @@ import android.content.Context;
 public abstract class FileServiceRequest {
 
     protected Context context;
+    //protected Activity activity;
     protected String password;
 
     protected FileServiceRequest(Context context, String password) {
         this.context = context;
+        //this.activity = activity;
         this.password = password;
     }