Bug fixes

- Rework SettingsActivity code to make it clearer
- Fix crash when loading app icon as default icon

.idea/assetWizardSettings.xml

@@ -0,0 +1,46 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="WizardSettings">
+    <option name="children">
+      <map>
+        <entry key="vectorWizard">
+          <value>
+            <PersistentState>
+              <option name="children">
+                <map>
+                  <entry key="vectorAssetStep">
+                    <value>
+                      <PersistentState>
+                        <option name="children">
+                          <map>
+                            <entry key="clipartAsset">
+                              <value>
+                                <PersistentState>
+                                  <option name="values">
+                                    <map>
+                                      <entry key="url" value="jar:file:/C:/Program%20Files/Android/Android%20Studio/plugins/android/lib/android.jar!/images/material_design_icons/image/ic_panorama_fish_eye_black_24dp.xml" />
+                                    </map>
+                                  </option>
+                                </PersistentState>
+                              </value>
+                            </entry>
+                          </map>
+                        </option>
+                        <option name="values">
+                          <map>
+                            <entry key="outputName" value="ic_panorama_fish_eye_24dp" />
+                            <entry key="sourceFile" value="C:\Users\Guitoune" />
+                          </map>
+                        </option>
+                      </PersistentState>
+                    </value>
+                  </entry>
+                </map>
+              </option>
+            </PersistentState>
+          </value>
+        </entry>
+      </map>
+    </option>
+  </component>
+</project>

app/build.gradle

@@ -9,6 +9,7 @@ android {
         versionCode 6
         versionName "0.0.6"
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+        vectorDrawables.useSupportLibrary = true
     }
 
     dataBinding {
@@ -54,6 +55,7 @@ dependencies {
     implementation 'com.jmedeisis:draglinearlayout:1.1.0'
     implementation 'com.applandeo:material-file-picker:1.0.0'
     implementation 'com.daasuu:EasingInterpolator:1.0.0'
+    implementation 'com.android.support:support-vector-drawable:27.1.1'
     testImplementation 'junit:junit:4.12'
     androidTestImplementation 'com.android.support.test:runner:1.0.2'
     androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'

app/src/main/AndroidManifest.xml

@@ -2,8 +2,9 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="com.herbron.moodl">
 
-    <uses-feature android:name="android.hardware.fingerprint"
+    <uses-feature
-        android:required="false"/>
+        android:name="android.hardware.fingerprint"
+        android:required="false" />
 
     <uses-permission android:name="android.permission.INTERNET" />
     <uses-permission android:name="android.permission.USE_FINGERPRINT" />
@@ -17,11 +18,11 @@
         android:supportsRtl="true"
         android:theme="@style/AppTheme">
         <activity
-            android:name="com.herbron.moodl.Activities.HomeActivity"
+            android:name=".Activities.HomeActivity"
             android:label="@string/app_name"
+            android:launchMode="singleTop"
             android:screenOrientation="portrait"
-            android:theme="@style/AppTheme.NoActionBar"
+            android:theme="@style/AppTheme.NoActionBar">
-            android:launchMode="singleTop">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
 
@@ -29,30 +30,30 @@
             </intent-filter>
         </activity>
         <activity
-            android:name="com.herbron.moodl.Activities.SettingsActivity"
+            android:name=".Activities.SettingsActivity"
             android:label="@string/title_activity_settings"
             android:screenOrientation="portrait" />
         <activity
-            android:name="com.herbron.moodl.Activities.CurrencySelectionActivity"
+            android:name=".Activities.CurrencySelectionActivity"
             android:screenOrientation="portrait">
             <meta-data
                 android:name="android.support.PARENT_ACTIVITY"
-                android:value="com.herbron.moodl.Activities.HomeActivity"/>
+                android:value="com.herbron.moodl.Activities.HomeActivity" />
         </activity>
         <activity
-            android:name="com.herbron.moodl.Activities.RecordTransactionActivity"
+            android:name=".Activities.RecordTransactionActivity"
             android:screenOrientation="portrait">
             <meta-data
                 android:name="android.support.PARENT_ACTIVITY"
-                android:value="com.herbron.moodl.Activities.HomeActivity"/>
+                android:value="com.herbron.moodl.Activities.HomeActivity" />
         </activity>
         <activity
-            android:name="com.herbron.moodl.Activities.CurrencyDetailsActivity"
+            android:name=".Activities.CurrencyDetailsActivity"
             android:label="@string/title_activity_currency_details"
             android:screenOrientation="portrait">
             <meta-data
                 android:name="android.support.PARENT_ACTIVITY"
-                android:value="com.herbron.moodl.Activities.HomeActivity"/>
+                android:value="com.herbron.moodl.Activities.HomeActivity" />
         </activity>
     </application>
 

app/src/main/java/com/herbron/moodl/Activities/HomeActivity.java

@@ -3,6 +3,7 @@ package com.herbron.moodl.Activities;
 import android.content.Intent;
 import android.graphics.Bitmap;
 import android.os.Bundle;
+import android.preference.PreferenceActivity;
 import android.preference.PreferenceManager;
 import android.support.annotation.NonNull;
 import android.support.design.widget.NavigationView;
@@ -98,6 +99,8 @@ public class HomeActivity extends AppCompatActivity implements BalanceUpdateInte
                         break;
                     case R.id.navigation_settings:
                         Intent settingIntent = new Intent(getApplicationContext(), SettingsActivity.class);
+                        settingIntent.putExtra(PreferenceActivity.EXTRA_SHOW_FRAGMENT, SettingsActivity.MainPreferenceFragment.class.getName() );
+                        settingIntent.putExtra(PreferenceActivity.EXTRA_NO_HEADERS, true );
                         startActivity(settingIntent);
                         item.setChecked(false);
                         break;

app/src/main/java/com/herbron/moodl/Activities/HomeActivityFragments/Overview.java

@@ -2,6 +2,8 @@ package com.herbron.moodl.Activities.HomeActivityFragments;
 
 import android.graphics.Bitmap;
 import android.graphics.BitmapFactory;
+import android.graphics.Canvas;
+import android.graphics.drawable.Drawable;
 import android.os.AsyncTask;
 import android.support.v4.app.Fragment;
 import android.os.Bundle;
@@ -27,6 +29,8 @@ import com.herbron.moodl.R;
 
 import java.util.List;
 
+import static com.herbron.moodl.MoodlBox.getDrawable;
+
 /**
  * Created by Administrator on 27/05/2018.
  */
@@ -185,7 +189,14 @@ public class Overview extends Fragment {
                 }
                 else
                 {
-                    Bitmap icon = BitmapFactory.decodeResource(getResources(), R.mipmap.ic_launcher_moodl);
+                    Drawable drawable = getDrawable(R.drawable.ic_panorama_fish_eye_24dp, getContext());
+
+                    Bitmap icon = Bitmap.createBitmap(drawable.getIntrinsicWidth(), drawable.getIntrinsicHeight(), Bitmap.Config.ARGB_8888);
+
+                    Canvas canvas = new Canvas(icon);
+                    drawable.setBounds(0, 0, canvas.getWidth(), canvas.getHeight());
+                    drawable.draw(canvas);
+
                     icon = Bitmap.createScaledBitmap(icon, 50, 50, false);
 
                     currency.setIcon(icon);

app/src/main/java/com/herbron/moodl/Activities/HomeActivityFragments/Summary.java

@@ -9,6 +9,8 @@ import android.graphics.BitmapFactory;
 import android.graphics.Canvas;
 import android.graphics.Color;
 import android.graphics.Paint;
+import android.graphics.drawable.BitmapDrawable;
+import android.graphics.drawable.Drawable;
 import android.os.AsyncTask;
 import android.os.Handler;
 import android.os.Looper;
@@ -56,6 +58,7 @@ import java.util.List;
 import java.util.Random;
 
 import static com.herbron.moodl.MoodlBox.getColor;
+import static com.herbron.moodl.MoodlBox.getDrawable;
 import static com.herbron.moodl.MoodlBox.numberConformer;
 import static java.lang.Math.abs;
 
@@ -264,7 +267,7 @@ public class Summary extends Fragment implements BalanceSwitchManagerInterface,
 
             while(cachedIcon == null || cachedIcon.isDirectory())
             {
-                cachedIcon = cacheFiles[random.nextInt(cacheFiles.length) + 1];
+                cachedIcon = cacheFiles[random.nextInt(cacheFiles.length)];
             }
 
             Bitmap icon = BitmapFactory.decodeFile(cachedIcon.getAbsolutePath());
@@ -766,7 +769,14 @@ public class Summary extends Fragment implements BalanceSwitchManagerInterface,
                 }
                 else
                 {
-                    Bitmap icon = BitmapFactory.decodeResource(getResources(), R.mipmap.ic_launcher_moodl);
+                    Drawable drawable = getDrawable(R.drawable.ic_panorama_fish_eye_24dp, getContext());
+
+                    Bitmap icon = Bitmap.createBitmap(drawable.getIntrinsicWidth(), drawable.getIntrinsicHeight(), Bitmap.Config.ARGB_8888);
+
+                    Canvas canvas = new Canvas(icon);
+                    drawable.setBounds(0, 0, canvas.getWidth(), canvas.getHeight());
+                    drawable.draw(canvas);
+
                     icon = Bitmap.createScaledBitmap(icon, 50, 50, false);
 
                     localCurrency.setIcon(icon);

app/src/main/java/com/herbron/moodl/Activities/SettingsActivity.java

@@ -6,6 +6,7 @@ import android.app.AlertDialog;
 import android.app.KeyguardManager;
 import android.content.Context;
 import android.content.DialogInterface;
+import android.content.Intent;
 import android.content.SharedPreferences;
 import android.content.pm.PackageManager;
 import android.content.res.Configuration;
@@ -159,223 +160,6 @@ public class SettingsActivity extends AppCompatPreferenceActivity {
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setupActionBar();
-        addPreferencesFromResource(R.xml.pref_main);
-
-        findPreference("version").setSummary(BuildConfig.VERSION_NAME);
-
-        bindPreferenceSummaryToValue(findPreference("default_currency"));
-        bindPreferenceSummaryToValue(findPreference("minimum_value_displayed"));
-
-        findPreference("export").setOnPreferenceClickListener(new Preference.OnPreferenceClickListener() {
-            @Override
-            public boolean onPreferenceClick(Preference preference) {
-
-                Context context = SettingsActivity.this;
-                AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(context);
-                View dialogView = LayoutInflater.from(context).inflate(R.layout.dialog_export_data, null, true);
-                dialogBuilder.setView(dialogView);
-
-                File backupDirectory = new File(Environment.getExternalStorageDirectory(), getString(R.string.app_name));
-
-                if (!backupDirectory.exists()) {
-                    if (!backupDirectory.mkdirs()) {
-                        Log.d("moodl", "Error while creating directory");
-                    }
-                }
-
-                final TextView textViewFilePath = dialogView.findViewById(R.id.textViewFilePath);
-                textViewFilePath.setText(backupDirectory.getAbsolutePath());
-                textViewFilePath.setOnClickListener(new View.OnClickListener() {
-                    @Override
-                    public void onClick(View view) {
-                        new FilePicker.Builder(SettingsActivity.this, new OnSelectFileListener() {
-                            @Override
-                            public void onSelect(File file) {
-                                textViewFilePath.setText(file.getAbsolutePath());
-                            }
-                        }).fileType(".moodl")
-                                .hideFiles(true)
-                                .directory(backupDirectory.getAbsolutePath())
-                                .mainDirectory(Environment.getExternalStorageDirectory().getAbsolutePath())
-                                .show();
-                    }
-                });
-
-                final CheckBox enterPasswordCheckbox = dialogView.findViewById(R.id.checkboxEnterPassword);
-                final TextInputLayout textInputLayoutPassword = dialogView.findViewById(R.id.textInputLayoutPassword);
-
-                enterPasswordCheckbox.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
-                    @Override
-                    public void onCheckedChanged(CompoundButton compoundButton, boolean b) {
-                        if(b && textInputLayoutPassword.getVisibility() == View.GONE)
-                        {
-                            MoodlBox.expandH(textInputLayoutPassword);
-                        }
-
-                        if(!b && textInputLayoutPassword.getVisibility() == View.VISIBLE)
-                        {
-                            MoodlBox.collapseH(textInputLayoutPassword);
-                        }
-                    }
-                });
-
-                dialogBuilder.setTitle("Create backup");
-                dialogBuilder.setPositiveButton("Confirm", new DialogInterface.OnClickListener() {
-                    public void onClick(DialogInterface dialog, int whichButton) {
-
-                        checkPermissions();
-                        SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd_HH-mm-ss", Locale.getDefault());
-                        Date currentDate = new Date();
-                        String fileName = getString(R.string.app_name) + "_" + formatter.format(currentDate) + ".backup";
-                        DatabaseManager databaseManager = new DatabaseManager(SettingsActivity.this);
-
-                        File backupFile = new File(textViewFilePath.getText() + "/" + fileName);
-
-                        try (PrintWriter printWriter = new PrintWriter(new FileWriter(backupFile, true))) {
-
-                            if(enterPasswordCheckbox.isChecked())
-                            {
-                                DataCrypter.updateKey(textInputLayoutPassword.getEditText().getText().toString());
-                                printWriter.write(DataCrypter.encrypt(SettingsActivity.this, databaseManager.getBackupData()));
-                            }
-                            else
-                            {
-                                printWriter.write(databaseManager.getBackupData());
-                            }
-
-                            printWriter.close();
-                        } catch (IOException e) {
-                            Log.d("moodl", "Error > " + e);
-                        }
-
-                        dialog.dismiss();
-                    }
-                });
-                dialogBuilder.setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
-                    public void onClick(DialogInterface dialog, int whichButton) {
-                        dialog.dismiss();
-                    }
-                });
-
-                AlertDialog alertDialog = dialogBuilder.create();
-                alertDialog.show();
-
-                return false;
-            }
-        });
-
-        findPreference("import").setOnPreferenceClickListener(new Preference.OnPreferenceClickListener() {
-            @Override
-            public boolean onPreferenceClick(Preference preference) {
-
-                Context context = SettingsActivity.this;
-                AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(context);
-                View dialogView = LayoutInflater.from(context).inflate(R.layout.dialog_import_data, null, true);
-                dialogBuilder.setView(dialogView);
-
-                File backupDirectory = new File(Environment.getExternalStorageDirectory(), getString(R.string.app_name));
-
-                if(!backupDirectory.exists())
-                {
-                    if(!backupDirectory.mkdirs())
-                    {
-                        Log.d("moodl", "Error while creating directory");
-                    }
-                }
-
-                final TextView textViewFilePath = dialogView.findViewById(R.id.textViewFilePath);
-                textViewFilePath.setText(backupDirectory.getAbsolutePath());
-                textViewFilePath.setOnClickListener(new View.OnClickListener() {
-                    @Override
-                    public void onClick(View view) {
-                        new FilePicker.Builder(SettingsActivity.this, new OnSelectFileListener() {
-                            @Override
-                            public void onSelect(File file) {
-                                textViewFilePath.setText(file.getAbsolutePath());
-                            }
-                        }).hideFiles(false)
-                                .directory(backupDirectory.getAbsolutePath())
-                                .mainDirectory(Environment.getExternalStorageDirectory().getAbsolutePath())
-                                .show();
-                    }
-                });
-
-                dialogBuilder.setTitle("Restore backup");
-                dialogBuilder.setPositiveButton("Confirm", new DialogInterface.OnClickListener() {
-                    @Override
-                    public void onClick(DialogInterface dialogInterface, int whichButton) {
-
-                        checkPermissions();
-
-                        DatabaseManager databaseManager = new DatabaseManager(context);
-
-                        File backupFile = new File(textViewFilePath.getText().toString());
-
-                        try {
-                            FileReader fileReader = new FileReader(backupFile);
-                            BufferedReader bufferedReader = new BufferedReader(fileReader);
-
-                            String str;
-                            String completeFile = "";
-
-                            while ((str = bufferedReader.readLine()) != null) {
-                                completeFile += str;
-                            }
-
-                            String[] results = completeFile.split(Pattern.quote("]"));
-
-                            for(int i = 0; i < results.length; i++)
-                            {
-                                String[] columnValues = results[i].split(Pattern.quote(";@"));
-
-                                databaseManager.addRowTransaction(columnValues);
-                            }
-
-                        } catch (IOException e) {
-                            e.printStackTrace();
-                        }
-                    }
-                });
-
-                dialogBuilder.setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
-                    @Override
-                    public void onClick(DialogInterface dialogInterface, int i) {
-                        dialogInterface.dismiss();
-                    }
-                });
-
-                AlertDialog alertDialog = dialogBuilder.create();
-                alertDialog.show();
-
-                return false;
-            }
-        });
-
-        EditTextPreference editTextPreference = (EditTextPreference) findPreference("minimum_value_displayed");
-        editTextPreference.setPositiveButtonText("Save");
-        editTextPreference.setNegativeButtonText("Cancel");
-    }
-
-    private boolean checkPermissions() {
-
-        String[] permissions = new String[]{
-                Manifest.permission.READ_EXTERNAL_STORAGE,
-                Manifest.permission.WRITE_EXTERNAL_STORAGE,
-        };
-
-        int result;
-        List<String> listPermissionsNeeded = new ArrayList<>();
-        for (String p : permissions) {
-            result = ContextCompat.checkSelfPermission(this, p);
-            if (result != PackageManager.PERMISSION_GRANTED) {
-                listPermissionsNeeded.add(p);
-            }
-        }
-        if (!listPermissionsNeeded.isEmpty()) {
-            ActivityCompat.requestPermissions(this, listPermissionsNeeded.toArray(new String[listPermissionsNeeded.size()]), 100);
-            return false;
-        }
-        return true;
     }
 
     /**
@@ -412,7 +196,8 @@ public class SettingsActivity extends AppCompatPreferenceActivity {
      */
     protected boolean isValidFragment(String fragmentName) {
         return PreferenceFragment.class.getName().equals(fragmentName)
-                || ExchangePreferenceFragment.class.getName().equals(fragmentName);
+                || ExchangePreferenceFragment.class.getName().equals(fragmentName)
+                || MainPreferenceFragment.class.getName().equals(fragmentName);
     }
 
     @TargetApi(Build.VERSION_CODES.HONEYCOMB)
@@ -439,6 +224,14 @@ public class SettingsActivity extends AppCompatPreferenceActivity {
             bindPreferenceSummaryToValue(findPreference("hitbtc_privatekey"));
             bindPreferenceSummaryToValue(findPreference("binance_privatekey"));
 
+            findPreference("enable_fingerprint").setOnPreferenceChangeListener(new Preference.OnPreferenceChangeListener() {
+                @Override
+                public boolean onPreferenceChange(Preference preference, Object o) {
+                    
+                    return false;
+                }
+            });
+
             findPreference("enable_hitbtc").setOnPreferenceClickListener(new Preference.OnPreferenceClickListener() {
                 @Override
                 public boolean onPreferenceClick(Preference preference) {
@@ -600,4 +393,243 @@ public class SettingsActivity extends AppCompatPreferenceActivity {
             }
         }
     }
+
+    @TargetApi(Build.VERSION_CODES.HONEYCOMB)
+    public static class MainPreferenceFragment extends PreferenceFragment {
+
+        @Override
+        public void onCreate(Bundle savedInstanceState)
+        {
+            super.onCreate(savedInstanceState);
+            addPreferencesFromResource(R.xml.pref_main);
+
+            findPreference("version").setSummary(BuildConfig.VERSION_NAME);
+
+            bindPreferenceSummaryToValue(findPreference("default_currency"));
+            bindPreferenceSummaryToValue(findPreference("minimum_value_displayed"));
+
+            findPreference("export").setOnPreferenceClickListener(new Preference.OnPreferenceClickListener() {
+                @Override
+                public boolean onPreferenceClick(Preference preference) {
+
+                    Context context = getContext();
+                    AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(context);
+                    View dialogView = LayoutInflater.from(context).inflate(R.layout.dialog_export_data, null, true);
+                    dialogBuilder.setView(dialogView);
+
+                    File backupDirectory = new File(Environment.getExternalStorageDirectory(), getString(R.string.app_name));
+
+                    if (!backupDirectory.exists()) {
+                        if (!backupDirectory.mkdirs()) {
+                            Log.d("moodl", "Error while creating directory");
+                        }
+                    }
+
+                    final TextView textViewFilePath = dialogView.findViewById(R.id.textViewFilePath);
+                    textViewFilePath.setText(backupDirectory.getAbsolutePath());
+                    textViewFilePath.setOnClickListener(new View.OnClickListener() {
+                        @Override
+                        public void onClick(View view) {
+                            new FilePicker.Builder(getActivity(), new OnSelectFileListener() {
+                                @Override
+                                public void onSelect(File file) {
+                                    textViewFilePath.setText(file.getAbsolutePath());
+                                }
+                            }).fileType(".moodl")
+                                    .hideFiles(true)
+                                    .directory(backupDirectory.getAbsolutePath())
+                                    .mainDirectory(Environment.getExternalStorageDirectory().getAbsolutePath())
+                                    .show();
+                        }
+                    });
+
+                    final CheckBox enterPasswordCheckbox = dialogView.findViewById(R.id.checkboxEnterPassword);
+                    final TextInputLayout textInputLayoutPassword = dialogView.findViewById(R.id.textInputLayoutPassword);
+
+                    enterPasswordCheckbox.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
+                        @Override
+                        public void onCheckedChanged(CompoundButton compoundButton, boolean b) {
+                            if(b && textInputLayoutPassword.getVisibility() == View.GONE)
+                            {
+                                MoodlBox.expandH(textInputLayoutPassword);
+                            }
+
+                            if(!b && textInputLayoutPassword.getVisibility() == View.VISIBLE)
+                            {
+                                MoodlBox.collapseH(textInputLayoutPassword);
+                            }
+                        }
+                    });
+
+                    dialogBuilder.setTitle("Create backup");
+                    dialogBuilder.setPositiveButton("Confirm", new DialogInterface.OnClickListener() {
+                        public void onClick(DialogInterface dialog, int whichButton) {
+
+                            checkPermissions();
+                            SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd_HH-mm-ss", Locale.getDefault());
+                            Date currentDate = new Date();
+                            String fileName = getString(R.string.app_name) + "_" + formatter.format(currentDate) + ".backup";
+                            DatabaseManager databaseManager = new DatabaseManager(getContext());
+
+                            File backupFile = new File(textViewFilePath.getText() + "/" + fileName);
+
+                            try (PrintWriter printWriter = new PrintWriter(new FileWriter(backupFile, true))) {
+
+                                if(enterPasswordCheckbox.isChecked())
+                                {
+                                    DataCrypter.updateKey(textInputLayoutPassword.getEditText().getText().toString());
+                                    printWriter.write(DataCrypter.encrypt(getActivity(), databaseManager.getBackupData()));
+                                }
+                                else
+                                {
+                                    printWriter.write(databaseManager.getBackupData());
+                                }
+
+                                printWriter.close();
+                            } catch (IOException e) {
+                                Log.d("moodl", "Error > " + e);
+                            }
+
+                            dialog.dismiss();
+                        }
+                    });
+                    dialogBuilder.setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
+                        public void onClick(DialogInterface dialog, int whichButton) {
+                            dialog.dismiss();
+                        }
+                    });
+
+                    AlertDialog alertDialog = dialogBuilder.create();
+                    alertDialog.show();
+
+                    return false;
+                }
+            });
+
+            findPreference("import").setOnPreferenceClickListener(new Preference.OnPreferenceClickListener() {
+                @Override
+                public boolean onPreferenceClick(Preference preference) {
+
+                    Context context = getContext();
+                    AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(context);
+                    View dialogView = LayoutInflater.from(context).inflate(R.layout.dialog_import_data, null, true);
+                    dialogBuilder.setView(dialogView);
+
+                    File backupDirectory = new File(Environment.getExternalStorageDirectory(), getString(R.string.app_name));
+
+                    if(!backupDirectory.exists())
+                    {
+                        if(!backupDirectory.mkdirs())
+                        {
+                            Log.d("moodl", "Error while creating directory");
+                        }
+                    }
+
+                    final TextView textViewFilePath = dialogView.findViewById(R.id.textViewFilePath);
+                    textViewFilePath.setText(backupDirectory.getAbsolutePath());
+                    textViewFilePath.setOnClickListener(new View.OnClickListener() {
+                        @Override
+                        public void onClick(View view) {
+                            new FilePicker.Builder(getActivity(), new OnSelectFileListener() {
+                                @Override
+                                public void onSelect(File file) {
+                                    textViewFilePath.setText(file.getAbsolutePath());
+                                }
+                            }).hideFiles(false)
+                                    .directory(backupDirectory.getAbsolutePath())
+                                    .mainDirectory(Environment.getExternalStorageDirectory().getAbsolutePath())
+                                    .show();
+                        }
+                    });
+
+                    dialogBuilder.setTitle("Restore backup");
+                    dialogBuilder.setPositiveButton("Confirm", new DialogInterface.OnClickListener() {
+                        @Override
+                        public void onClick(DialogInterface dialogInterface, int whichButton) {
+
+                            checkPermissions();
+
+                            DatabaseManager databaseManager = new DatabaseManager(context);
+
+                            File backupFile = new File(textViewFilePath.getText().toString());
+
+                            try {
+                                FileReader fileReader = new FileReader(backupFile);
+                                BufferedReader bufferedReader = new BufferedReader(fileReader);
+
+                                String str;
+                                String completeFile = "";
+
+                                while ((str = bufferedReader.readLine()) != null) {
+                                    completeFile += str;
+                                }
+
+                                String[] results = completeFile.split(Pattern.quote("]"));
+
+                                for(int i = 0; i < results.length; i++)
+                                {
+                                    String[] columnValues = results[i].split(Pattern.quote(";@"));
+
+                                    databaseManager.addRowTransaction(columnValues);
+                                }
+
+                            } catch (IOException e) {
+                                e.printStackTrace();
+                            }
+                        }
+                    });
+
+                    dialogBuilder.setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
+                        @Override
+                        public void onClick(DialogInterface dialogInterface, int i) {
+                            dialogInterface.dismiss();
+                        }
+                    });
+
+                    AlertDialog alertDialog = dialogBuilder.create();
+                    alertDialog.show();
+
+                    return false;
+                }
+            });
+
+            EditTextPreference editTextPreference = (EditTextPreference) findPreference("minimum_value_displayed");
+            editTextPreference.setPositiveButtonText("Save");
+            editTextPreference.setNegativeButtonText("Cancel");
+        }
+
+        private boolean checkPermissions() {
+
+            String[] permissions = new String[]{
+                    Manifest.permission.READ_EXTERNAL_STORAGE,
+                    Manifest.permission.WRITE_EXTERNAL_STORAGE,
+            };
+
+            int result;
+            List<String> listPermissionsNeeded = new ArrayList<>();
+            for (String p : permissions) {
+                result = ContextCompat.checkSelfPermission(getContext(), p);
+                if (result != PackageManager.PERMISSION_GRANTED) {
+                    listPermissionsNeeded.add(p);
+                }
+            }
+            if (!listPermissionsNeeded.isEmpty()) {
+                ActivityCompat.requestPermissions(getActivity(), listPermissionsNeeded.toArray(new String[listPermissionsNeeded.size()]), 100);
+                return false;
+            }
+            return true;
+        }
+
+        @Override
+        public boolean onOptionsItemSelected(MenuItem item) {
+            int id = item.getItemId();
+            if (id == android.R.id.home) {
+                //startActivity(new Intent(getActivity(), SettingsActivity.class));
+                return true;
+            }
+            return super.onOptionsItemSelected(item);
+        }
+    }
+
+
 }

app/src/main/java/com/herbron/moodl/FingerprintToolkit/FingerprintDialogFragment.java

@@ -35,7 +35,8 @@ public class FingerprintDialogFragment extends DialogFragment{
             @Override
             public void onClick(View view) {
                 dismiss();
-                getActivity().finish();
+                getActivity().getFragmentManager().popBackStack();
+                //getActivity().finish();
             }
         });
 

app/src/main/java/com/herbron/moodl/HomeActivityPagerAdapter.java

@@ -1,44 +0,0 @@
-package com.herbron.moodl;
-
-import android.support.v4.app.Fragment;
-import android.support.v4.app.FragmentManager;
-import android.support.v4.app.FragmentStatePagerAdapter;
-
-import com.herbron.moodl.Activities.HomeActivityFragments.MarketCapitalization;
-import com.herbron.moodl.Activities.HomeActivityFragments.Summary;
-import com.herbron.moodl.Activities.HomeActivityFragments.Watchlist;
-
-/**
- * Created by Tiji on 13/04/2018.
- */
-
-public class HomeActivityPagerAdapter extends FragmentStatePagerAdapter {
-
-    private int numOfTabs;
-
-    public HomeActivityPagerAdapter(FragmentManager fm, int numOfTabs)
-    {
-        super(fm);
-        this.numOfTabs = numOfTabs;
-    }
-
-    @Override
-    public Fragment getItem(int position) {
-        switch (position)
-        {
-            case 0:
-                return new Watchlist();
-            case 1:
-                return new Summary();
-            case 2:
-                return new MarketCapitalization();
-            default:
-                return null;
-        }
-    }
-
-    @Override
-    public int getCount() {
-        return numOfTabs;
-    }
-}

app/src/main/res/drawable/ic_panorama_fish_eye_24dp.xml

@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="24dp"
+        android:height="24dp"
+        android:viewportWidth="24.0"
+        android:viewportHeight="24.0">
+    <path
+        android:fillColor="@color/colorPrimary"
+        android:pathData="M12,2C6.47,2 2,6.47 2,12s4.47,10 10,10 10,-4.47 10,-10S17.53,2 12,2zM12,20c-4.41,0 -8,-3.59 -8,-8s3.59,-8 8,-8 8,3.59 8,8 -3.59,8 -8,8z"/>
+</vector>

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

@@ -207,5 +207,73 @@
     <string name="restore_keys">Restore API keys</string>
     <string name="enter_password">Enter password</string>
     <string name="password">Password</string>
+    <string name="title_activity_exchange_settings">Settings</string>
+
+    <string name="pref_title_social_recommendations">Enable social recommendations</string>
+    <string name="pref_description_social_recommendations">Recommendations for people to contact
+        based on your message history
+    </string>
+
+    <string name="pref_title_display_name">Display name</string>
+    <string name="pref_default_display_name">John Smith</string>
+
+    <string name="pref_title_add_friends_to_messages">Add friends to messages</string>
+    <string-array name="pref_example_list_titles">
+        <item>Always</item>
+        <item>When possible</item>
+        <item>Never</item>
+    </string-array>
+    <string-array name="pref_example_list_values">
+        <item>1</item>
+        <item>0</item>
+        <item>-1</item>
+    </string-array>
+
+    <!-- Example settings for Data & Sync -->
+    <string name="pref_header_data_sync">Data &amp; sync</string>
+
+    <string name="pref_title_sync_frequency">Sync frequency</string>
+    <string-array name="pref_sync_frequency_titles">
+        <item>15 minutes</item>
+        <item>30 minutes</item>
+        <item>1 hour</item>
+        <item>3 hours</item>
+        <item>6 hours</item>
+        <item>Never</item>
+    </string-array>
+    <string-array name="pref_sync_frequency_values">
+        <item>15</item>
+        <item>30</item>
+        <item>60</item>
+        <item>180</item>
+        <item>360</item>
+        <item>-1</item>
+    </string-array>
+
+    <string-array name="list_preference_entries">
+        <item>Entry 1</item>
+        <item>Entry 2</item>
+        <item>Entry 3</item>
+    </string-array>
+
+    <string-array name="list_preference_entry_values">
+        <item>1</item>
+        <item>2</item>
+        <item>3</item>
+    </string-array>
+
+    <string-array name="multi_select_list_preference_default_value" />
+
+    <string name="pref_title_system_sync_settings">System sync settings</string>
+
+    <!-- Example settings for Notifications -->
+    <string name="pref_header_notifications">Notifications</string>
+
+    <string name="pref_title_new_message_notifications">New message notifications</string>
+
+    <string name="pref_title_ringtone">Ringtone</string>
+    <string name="pref_ringtone_silent">Silent</string>
+
+    <string name="pref_title_vibrate">Vibrate</string>
 
 </resources>

app/src/main/res/xml/pref_main.xml

@@ -41,7 +41,7 @@
         <PreferenceScreen
             android:fragment="com.herbron.moodl.Activities.SettingsActivity$ExchangePreferenceFragment"
             android:title="@string/pref_header_exchange"
-            android:enabled="false"/>
+            android:key="exchange"/>
 
         <PreferenceScreen
             android:title="@string/pref_header_wallet"