All Dialogs code from BaseActivity moved to GeneralUtil

app/src/main/AndroidManifest.xml

@@ -1,25 +1,19 @@
 <?xml version="1.0" encoding="utf-8"?>
-<manifest
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="io.syng"
+    xmlns:tools="http://schemas.android.com/tools"
-    xmlns:android="http://schemas.android.com/apk/res/android"
+    package="io.syng" >
-    xmlns:tools="http://schemas.android.com/tools">
 
     <uses-permission android:name="android.permission.INTERNET" />
     <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
     <uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
-
     <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
     <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
-
     <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
     <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
-
     <uses-permission android:name="android.permission.VIBRATE" />
-
     <uses-permission android:name="android.permission.READ_CONTACTS" />
     <uses-permission android:name="android.permission.WRITE_CONTACTS" />
     <uses-permission android:name="android.permission.GET_ACCOUNTS" />
-
     <uses-permission android:name="com.android.launcher.permission.INSTALL_SHORTCUT" />
 
     <application
@@ -27,46 +21,51 @@
         android:allowBackup="true"
         android:icon="@mipmap/ic_launcher"
         android:label="@string/app_name"
-        android:theme="@style/AppTheme">
+        android:theme="@style/AppTheme" >
 
-        <!--android:largeHeap="true"-->
+        <!-- android:largeHeap="true" -->
-        <!--android:hardwareAccelerated="true"-->
+        <!-- android:hardwareAccelerated="true" -->
 
         <activity
             android:name=".activity.MainActivity"
             android:label="@string/app_name"
-            android:windowSoftInputMode="adjustNothing"
+            android:launchMode="singleTop"
-            android:launchMode="singleTop">
+            android:windowSoftInputMode="adjustNothing" >
             <intent-filter>
-                <action android:name="android.intent.action.MAIN"/>
+                <action android:name="android.intent.action.MAIN" />
 
-                <category android:name="android.intent.category.LAUNCHER"/>
+                <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
             <intent-filter>
                 <data android:scheme="dapp" />
+
                 <action android:name="android.intent.action.VIEW" />
+
                 <category android:name="android.intent.category.DEFAULT" />
                 <category android:name="android.intent.category.BROWSABLE" />
             </intent-filter>
         </activity>
-
         <activity
             android:name=".activity.SettingsActivity"
             android:label="@string/title_activity_settings"
             android:parentActivityName=".activity.MainActivity"
             android:theme="@style/SettingsTheme"
-            tools:ignore="UnusedAttribute">
+            tools:ignore="UnusedAttribute" >
             <meta-data
                 android:name="android.support.PARENT_ACTIVITY"
-                android:value=".activity.MainActivity"/>
+                android:value=".activity.MainActivity" />
         </activity>
 
         <service
             android:name=".service.EthereumService"
             android:enabled="true"
             android:exported="true"
-            android:process=":ethereum_process"/>
+            android:process=":ethereum_process" />
 
+        <activity
+            android:name=".activity.LoginActivity"
+            android:label="@string/title_activity_login" >
+        </activity>
     </application>
 
 </manifest>

app/src/main/java/io/syng/activity/BaseActivity.java

@@ -15,9 +15,7 @@ import android.support.v7.widget.LinearLayoutManager;
 import android.support.v7.widget.RecyclerView;
 import android.support.v7.widget.Toolbar;
 import android.text.Editable;
-import android.text.TextUtils;
 import android.text.TextWatcher;
-import android.util.Patterns;
 import android.view.KeyEvent;
 import android.view.LayoutInflater;
 import android.view.MenuItem;
@@ -25,30 +23,19 @@ import android.view.View;
 import android.view.View.OnClickListener;
 import android.view.View.OnLongClickListener;
 import android.view.ViewGroup;
-import android.widget.CheckBox;
 import android.widget.EditText;
 import android.widget.FrameLayout;
 import android.widget.ImageView;
-import android.widget.RadioButton;
 import android.widget.TextView;
 import android.widget.Toast;
 
 import com.afollestad.materialdialogs.MaterialDialog;
 import com.bumptech.glide.Glide;
 
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import java.io.File;
-import java.io.FileInputStream;
-import java.nio.MappedByteBuffer;
-import java.nio.channels.FileChannel;
-import java.nio.charset.Charset;
 import java.util.ArrayList;
 import java.util.List;
 
 import io.syng.R;
-import io.syng.adapter.BackgroundArrayAdapter;
 import io.syng.adapter.DAppDrawerAdapter;
 import io.syng.adapter.DAppDrawerAdapter.OnDAppClickListener;
 import io.syng.adapter.ProfileDrawerAdapter;
@@ -57,7 +44,6 @@ import io.syng.entity.Dapp;
 import io.syng.entity.Profile;
 import io.syng.fragment.profile.ProfileDialogFragment;
 import io.syng.util.GeneralUtil;
-import io.syng.util.PrefsUtil;
 import io.syng.util.ProfileManager;
 import io.syng.util.ProfileManager.ProfilesChangeListener;
 
@@ -66,7 +52,7 @@ import static android.view.View.VISIBLE;
 public abstract class BaseActivity extends AppCompatActivity implements
         OnClickListener, OnDAppClickListener, OnProfileClickListener, OnLongClickListener, ProfilesChangeListener {
 
-    private static final Logger logger = LoggerFactory.getLogger("SyngApplication");
+//    private static final Logger logger = LoggerFactory.getLogger("SyngApplication");
 
     private static final int DRAWER_CLOSE_DELAY_SHORT = 200;
     private static final int DRAWER_CLOSE_DELAY_LONG = 400;
@@ -156,8 +142,7 @@ public abstract class BaseActivity extends AppCompatActivity implements
         populateDApps();
 
         mHeaderImageView = (ImageView) findViewById(R.id.iv_header);
-        String currentProfileId = ProfileManager.getCurrentProfile().getId();
+        Glide.with(this).load(ProfileManager.getCurrentProfileBackgroundResourceId()).into(mHeaderImageView);
-        Glide.with(this).load(PrefsUtil.getBackgroundResourceId(currentProfileId)).into(mHeaderImageView);
 
         GeneralUtil.showWarningDialogIfNeed(this);
         ProfileManager.setProfilesChangeListener(this);
@@ -301,55 +286,7 @@ public abstract class BaseActivity extends AppCompatActivity implements
     }
 
     @SuppressWarnings("ConstantConditions")
-    private void showProfileCreateDialog() {
-        MaterialDialog dialog = new MaterialDialog.Builder(this)
-                .title("New profile")
-                .positiveText(R.string.dialog_button_create)
-                .negativeText(R.string.dialog_button_cancel)
-                .customView(R.layout.profile_create_dialog, true)
-                .autoDismiss(false)
-                .callback(new MaterialDialog.ButtonCallback() {
-                    @Override
-                    public void onPositive(MaterialDialog dialog) {
-                        EditText name = (EditText) dialog.findViewById(R.id.et_profile_name);
-                        EditText pass1 = (EditText) dialog.findViewById(R.id.et_profile_pass_1);
-                        EditText pass2 = (EditText) dialog.findViewById(R.id.et_profile_pass_2);
 
-                        String nameString = name.getText().toString();
-                        String pass1String = pass1.getText().toString();
-                        String pass2String = pass2.getText().toString();
-
-                        if (TextUtils.isEmpty(nameString)) {
-                            Toast.makeText(BaseActivity.this, "Profile name can't be empty", Toast.LENGTH_SHORT).show();
-                            return;
-                        }
-                        if (TextUtils.isEmpty(pass1String) || TextUtils.isEmpty(pass2String)) {
-                            Toast.makeText(BaseActivity.this, "Password name can't be empty", Toast.LENGTH_SHORT).show();
-                            return;
-                        }
-
-                        if (!pass1.getText().toString().equals(pass2.getText().toString())) {
-                            Toast.makeText(BaseActivity.this, "Passwords should be the same!", Toast.LENGTH_SHORT).show();
-                        } else {
-                            Profile profile = new Profile();
-                            profile.setName(name.getText().toString());
-                            profile.setPassword(pass1String);
-                            ProfileManager.addProfile(profile);
-                            GeneralUtil.hideKeyBoard(name, BaseActivity.this);
-                            GeneralUtil.hideKeyBoard(pass1, BaseActivity.this);
-                            GeneralUtil.hideKeyBoard(pass2, BaseActivity.this);
-                            dialog.dismiss();
-                        }
-                    }
-
-                    @Override
-                    public void onNegative(MaterialDialog dialog) {
-                        dialog.dismiss();
-                    }
-                }).show();
-        EditText name = (EditText) dialog.findViewById(R.id.et_profile_name);
-        GeneralUtil.showKeyBoard(name, this);
-    }
 
     private void flipDrawer() {
         ImageView imageView = (ImageView) findViewById(R.id.drawer_indicator);
@@ -393,105 +330,12 @@ public abstract class BaseActivity extends AppCompatActivity implements
 
     @Override
     public void onProfileImport() {
-        new MaterialDialog.Builder(this)
+        GeneralUtil.showProfileImportDialog(this);
-                .title(R.string.wallet_title)
-                .customView(R.layout.wallet_import, true)
-                .positiveText(R.string.sImport)
-                .negativeText(R.string.cancel)
-                .callback(new MaterialDialog.ButtonCallback() {
-                    @Override
-                    public void onPositive(MaterialDialog dialog) {
-                        RadioButton importJsonRadio = (RadioButton) dialog.findViewById(R.id.radio_import_json);
-                        EditText importPathEdit = (EditText) dialog.findViewById(R.id.wallet_import_path);
-                        EditText walletPasswordEdit = (EditText) dialog.findViewById(R.id.wallet_password);
-                        String importPath = importPathEdit.getText().toString();
-                        String password = walletPasswordEdit.getText().toString();
-                        String fileContents = null;
-                        try {
-                            File walletFile = new File(importPath);
-                            if (walletFile.exists()) {
-                                FileInputStream stream = new FileInputStream(walletFile);
-                                try {
-                                    FileChannel fileChannel = stream.getChannel();
-                                    MappedByteBuffer buffer = fileChannel.map(FileChannel.MapMode.READ_ONLY, 0, fileChannel.size());
-                                    fileContents = Charset.defaultCharset().decode(buffer).toString();
-                                } finally {
-                                    stream.close();
-                                }
-                            } else {
-                                Toast.makeText(BaseActivity.this, R.string.file_not_found, Toast.LENGTH_SHORT).show();
-                                logger.warn("Wallet file not found: " + importPath);
-                                return;
-                            }
-                        } catch (Exception e) {
-                            Toast.makeText(BaseActivity.this, R.string.error_reading_file, Toast.LENGTH_SHORT).show();
-                            logger.error("Error reading wallet file", e);
-                        }
-                        if (importJsonRadio.isChecked()) {
-                            Profile profile = ProfileManager.getCurrentProfile();
-                            if (profile.importWallet(fileContents, password)) {
-                                ProfileManager.updateProfile(profile);
-                                ProfileManager.setCurrentProfile(profile);
-                            } else {
-                                Toast.makeText(BaseActivity.this, R.string.invalid_wallet_password, Toast.LENGTH_SHORT).show();
-                            }
-                        } else {
-                            Profile profile = ProfileManager.getCurrentProfile();
-                            profile.importPrivateKey(fileContents, password);
-                            ProfileManager.updateProfile(profile);
-                        }
-                    }
-
-                    @Override
-                    public void onNegative(MaterialDialog dialog) {
-                        dialog.hide();
-                    }
-                })
-                .build().show();
     }
 
     @Override
     public void onDAppPress(final Dapp dapp) {
-        MaterialDialog dialog = new MaterialDialog.Builder(this)
+        GeneralUtil.showDAppEditDialog(dapp, this);
-                .title("Edit")
-                .customView(R.layout.dapp_form, true)
-                .positiveText(R.string.save)
-                .negativeText(R.string.cancel)
-                .callback(new MaterialDialog.ButtonCallback() {
-                    @Override
-                    public void onPositive(MaterialDialog dialog) {
-                        EditText dappNameEdit = (EditText) dialog.findViewById(R.id.dapp_name);
-                        EditText dappUrlEdit = (EditText) dialog.findViewById(R.id.dapp_url);
-                        CheckBox checkBox = (CheckBox) dialog.findViewById(R.id.dapp_home_icon);
-                        boolean homeScreenIcon = checkBox.isChecked();
-                        String url = dappUrlEdit.getText().toString();
-                        String name = dappNameEdit.getText().toString();
-                        if (Patterns.WEB_URL.matcher(url.replace("dapp://", "http://")).matches()) {
-                            dapp.setName(name);
-                            dapp.setUrl(url);
-                            System.out.println(url);
-                            ProfileManager.updateDAppInProfile(ProfileManager.getCurrentProfile(), dapp);
-                            if (homeScreenIcon) {
-                                GeneralUtil.createHomeScreenIcon(BaseActivity.this, name, url);
-                            }
-                            dialog.hide();
-                        } else {
-                            Toast.makeText(BaseActivity.this, R.string.invalid_url, Toast.LENGTH_SHORT).show();
-                        }
-                    }
-
-                    @Override
-                    public void onNegative(MaterialDialog dialog) {
-                        dialog.hide();
-                    }
-                })
-                .autoDismiss(false)
-                .build();
-        EditText dappNameEdit = (EditText) dialog.findViewById(R.id.dapp_name);
-        dappNameEdit.setText(dapp.getName());
-        EditText dappUrlEdit = (EditText) dialog.findViewById(R.id.dapp_url);
-        dappUrlEdit.setText(dapp.getUrl());
-        dialog.show();
     }
 
     @SuppressWarnings("ConstantConditions")
@@ -503,42 +347,7 @@ public abstract class BaseActivity extends AppCompatActivity implements
 
     @Override
     public void onDAppAdd() {
-        Dialog dialog = new MaterialDialog.Builder(this)
+        GeneralUtil.showDAppCreateDialog(this);
-                .title("Add new DApp")
-                .customView(R.layout.dapp_form, true)
-                .positiveText(R.string.save)
-                .negativeText(R.string.cancel)
-                .callback(new MaterialDialog.ButtonCallback() {
-                    @Override
-                    public void onPositive(MaterialDialog dialog) {
-                        EditText dappNameEdit = (EditText) dialog.findViewById(R.id.dapp_name);
-                        EditText dappUrlEdit = (EditText) dialog.findViewById(R.id.dapp_url);
-                        CheckBox checkBox = (CheckBox) dialog.findViewById(R.id.dapp_home_icon);
-                        boolean homeScreenIcon = checkBox.isChecked();
-                        String url = dappUrlEdit.getText().toString();
-                        String name = dappNameEdit.getText().toString();
-                        if (Patterns.WEB_URL.matcher(url.replace("dapp://", "http://")).matches()) {
-                            Dapp dapp = new Dapp(name);
-                            dapp.setUrl(url);
-                            ProfileManager.addDAppToProfile(ProfileManager.getCurrentProfile(), dapp);
-                            if (homeScreenIcon) {
-                                GeneralUtil.createHomeScreenIcon(BaseActivity.this, name, url);
-                            }
-                            dialog.hide();
-                        } else {
-                            Toast.makeText(BaseActivity.this, R.string.invalid_url, Toast.LENGTH_SHORT).show();
-                        }
-                    }
-
-                    @Override
-                    public void onNegative(MaterialDialog dialog) {
-                        dialog.hide();
-                    }
-                })
-                .autoDismiss(false)
-                .show();
-        EditText dappNameEdit = (EditText) dialog.findViewById(R.id.dapp_name);
-        GeneralUtil.showKeyBoard(dappNameEdit, this);
     }
 
     @Override
@@ -555,26 +364,13 @@ public abstract class BaseActivity extends AppCompatActivity implements
 
     @Override
     public void onNewProfile() {
-        showProfileCreateDialog();
+        GeneralUtil.showProfileCreateDialog(this);
     }
 
     @Override
     public boolean onLongClick(View v) {
         if (v.getId() == R.id.drawer_header_item) {
-            new MaterialDialog.Builder(this)
+            GeneralUtil.showHeaderBackgroundDialog(this);
-                    .adapter(new BackgroundArrayAdapter(this),
-                            new MaterialDialog.ListCallback() {
-                                @SuppressWarnings("ConstantConditions")
-                                @Override
-                                public void onSelection(MaterialDialog dialog, View itemView, int which, CharSequence text) {
-                                    BackgroundArrayAdapter adapter = (BackgroundArrayAdapter) dialog.getListView().getAdapter();
-                                    int imageResourceId = adapter.getImageResourceIdByPosition(which);
-                                    Glide.with(BaseActivity.this).load(imageResourceId).into(mHeaderImageView);
-                                    PrefsUtil.setBackgroundResourceId(ProfileManager.getCurrentProfile().getId(), imageResourceId);
-                                    dialog.dismiss();
-                                }
-                            })
-                    .show();
         }
         return true;
     }
@@ -584,7 +380,7 @@ public abstract class BaseActivity extends AppCompatActivity implements
         updateCurrentProfileName();
         populateDApps();
         populateProfiles();
-        Glide.with(this).load(PrefsUtil.getBackgroundResourceId(ProfileManager.getCurrentProfile().getId())).into(mHeaderImageView);
+        Glide.with(this).load(ProfileManager.getCurrentProfileBackgroundResourceId()).into(mHeaderImageView);
     }
 
 }

app/src/main/java/io/syng/activity/LoginActivity.java

@@ -0,0 +1,16 @@
+package io.syng.activity;
+
+import android.os.Bundle;
+import android.support.v7.app.AppCompatActivity;
+
+import io.syng.R;
+
+public class LoginActivity extends AppCompatActivity {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_login);
+    }
+
+}

app/src/main/java/io/syng/util/GeneralUtil.java

@@ -1,16 +1,36 @@
 package io.syng.util;
 
 import android.app.Activity;
+import android.app.Dialog;
 import android.content.Context;
 import android.content.DialogInterface;
 import android.content.Intent;
 import android.net.Uri;
+import android.text.TextUtils;
+import android.util.Patterns;
 import android.view.View;
 import android.view.inputmethod.InputMethodManager;
+import android.widget.CheckBox;
+import android.widget.EditText;
+import android.widget.RadioButton;
+import android.widget.Toast;
 
 import com.afollestad.materialdialogs.AlertDialogWrapper;
+import com.afollestad.materialdialogs.MaterialDialog;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.nio.MappedByteBuffer;
+import java.nio.channels.FileChannel;
+import java.nio.charset.Charset;
 
 import io.syng.R;
+import io.syng.adapter.BackgroundArrayAdapter;
+import io.syng.entity.Dapp;
+import io.syng.entity.Profile;
 
 public final class GeneralUtil {
 
@@ -58,4 +78,214 @@ public final class GeneralUtil {
                     }).show();
         }
     }
+
+    public static void showProfileCreateDialog(final Context context) {
+        MaterialDialog dialog = new MaterialDialog.Builder(context)
+                .title("New profile")
+                .positiveText(R.string.dialog_button_create)
+                .negativeText(R.string.dialog_button_cancel)
+                .customView(R.layout.profile_create_dialog, true)
+                .autoDismiss(false)
+                .callback(new MaterialDialog.ButtonCallback() {
+                    @Override
+                    public void onPositive(MaterialDialog dialog) {
+                        EditText name = (EditText) dialog.findViewById(R.id.et_profile_name);
+                        EditText pass1 = (EditText) dialog.findViewById(R.id.et_profile_pass_1);
+                        EditText pass2 = (EditText) dialog.findViewById(R.id.et_profile_pass_2);
+
+                        String nameString = name.getText().toString();
+                        String pass1String = pass1.getText().toString();
+                        String pass2String = pass2.getText().toString();
+
+                        if (TextUtils.isEmpty(nameString)) {
+                            Toast.makeText(context, "Profile name can't be empty", Toast.LENGTH_SHORT).show();
+                            return;
+                        }
+                        if (TextUtils.isEmpty(pass1String) || TextUtils.isEmpty(pass2String)) {
+                            Toast.makeText(context, "Password name can't be empty", Toast.LENGTH_SHORT).show();
+                            return;
+                        }
+
+                        if (!pass1.getText().toString().equals(pass2.getText().toString())) {
+                            Toast.makeText(context, "Passwords should be the same!", Toast.LENGTH_SHORT).show();
+                        } else {
+                            Profile profile = new Profile();
+                            profile.setName(name.getText().toString());
+                            profile.setPassword(pass1String);
+                            ProfileManager.addProfile(profile);
+                            GeneralUtil.hideKeyBoard(name, context);
+                            GeneralUtil.hideKeyBoard(pass1, context);
+                            GeneralUtil.hideKeyBoard(pass2, context);
+                            dialog.dismiss();
+                        }
+                    }
+
+                    @Override
+                    public void onNegative(MaterialDialog dialog) {
+                        dialog.dismiss();
+                    }
+                }).show();
+        EditText name = (EditText) dialog.findViewById(R.id.et_profile_name);
+        GeneralUtil.showKeyBoard(name, context);
+    }
+
+    public static void showDAppEditDialog(final Dapp dapp, final Context context) {
+        MaterialDialog dialog = new MaterialDialog.Builder(context)
+                .title("Edit")
+                .customView(R.layout.dapp_form, true)
+                .positiveText(R.string.save)
+                .negativeText(R.string.cancel)
+                .callback(new MaterialDialog.ButtonCallback() {
+                    @Override
+                    public void onPositive(MaterialDialog dialog) {
+                        EditText dappNameEdit = (EditText) dialog.findViewById(R.id.dapp_name);
+                        EditText dappUrlEdit = (EditText) dialog.findViewById(R.id.dapp_url);
+                        CheckBox checkBox = (CheckBox) dialog.findViewById(R.id.dapp_home_icon);
+                        boolean homeScreenIcon = checkBox.isChecked();
+                        String url = dappUrlEdit.getText().toString();
+                        String name = dappNameEdit.getText().toString();
+                        if (Patterns.WEB_URL.matcher(url.replace("dapp://", "http://")).matches()) {
+                            dapp.setName(name);
+                            dapp.setUrl(url);
+                            System.out.println(url);
+                            ProfileManager.updateDAppInProfile(ProfileManager.getCurrentProfile(), dapp);
+                            if (homeScreenIcon) {
+                                GeneralUtil.createHomeScreenIcon(context, name, url);
+                            }
+                            dialog.hide();
+                        } else {
+                            Toast.makeText(context, R.string.invalid_url, Toast.LENGTH_SHORT).show();
+                        }
+                    }
+
+                    @Override
+                    public void onNegative(MaterialDialog dialog) {
+                        dialog.hide();
+                    }
+                })
+                .autoDismiss(false)
+                .build();
+        EditText dappNameEdit = (EditText) dialog.findViewById(R.id.dapp_name);
+        dappNameEdit.setText(dapp.getName());
+        EditText dappUrlEdit = (EditText) dialog.findViewById(R.id.dapp_url);
+        dappUrlEdit.setText(dapp.getUrl());
+        dialog.show();
+    }
+
+    public static void showDAppCreateDialog(final Context context) {
+        Dialog dialog = new MaterialDialog.Builder(context)
+                .title("Add new DApp")
+                .customView(R.layout.dapp_form, true)
+                .positiveText(R.string.save)
+                .negativeText(R.string.cancel)
+                .callback(new MaterialDialog.ButtonCallback() {
+                    @Override
+                    public void onPositive(MaterialDialog dialog) {
+                        EditText dappNameEdit = (EditText) dialog.findViewById(R.id.dapp_name);
+                        EditText dappUrlEdit = (EditText) dialog.findViewById(R.id.dapp_url);
+                        CheckBox checkBox = (CheckBox) dialog.findViewById(R.id.dapp_home_icon);
+                        boolean homeScreenIcon = checkBox.isChecked();
+                        String url = dappUrlEdit.getText().toString();
+                        String name = dappNameEdit.getText().toString();
+                        if (Patterns.WEB_URL.matcher(url.replace("dapp://", "http://")).matches()) {
+                            Dapp dapp = new Dapp(name);
+                            dapp.setUrl(url);
+                            ProfileManager.addDAppToProfile(ProfileManager.getCurrentProfile(), dapp);
+                            if (homeScreenIcon) {
+                                GeneralUtil.createHomeScreenIcon(context, name, url);
+                            }
+                            dialog.hide();
+                        } else {
+                            Toast.makeText(context, R.string.invalid_url, Toast.LENGTH_SHORT).show();
+                        }
+                    }
+
+                    @Override
+                    public void onNegative(MaterialDialog dialog) {
+                        dialog.hide();
+                    }
+                })
+                .autoDismiss(false)
+                .show();
+        EditText dappNameEdit = (EditText) dialog.findViewById(R.id.dapp_name);
+        GeneralUtil.showKeyBoard(dappNameEdit, context);
+    }
+
+    public static void showProfileImportDialog(final Context context) {
+        new MaterialDialog.Builder(context)
+                .title(R.string.wallet_title)
+                .customView(R.layout.wallet_import, true)
+                .positiveText(R.string.sImport)
+                .negativeText(R.string.cancel)
+                .callback(new MaterialDialog.ButtonCallback() {
+                    @Override
+                    public void onPositive(MaterialDialog dialog) {
+
+                        Logger logger = LoggerFactory.getLogger("SyngApplication");
+
+                        RadioButton importJsonRadio = (RadioButton) dialog.findViewById(R.id.radio_import_json);
+                        EditText importPathEdit = (EditText) dialog.findViewById(R.id.wallet_import_path);
+                        EditText walletPasswordEdit = (EditText) dialog.findViewById(R.id.wallet_password);
+                        String importPath = importPathEdit.getText().toString();
+                        String password = walletPasswordEdit.getText().toString();
+                        String fileContents = null;
+                        try {
+                            File walletFile = new File(importPath);
+                            if (walletFile.exists()) {
+                                FileInputStream stream = new FileInputStream(walletFile);
+                                try {
+                                    FileChannel fileChannel = stream.getChannel();
+                                    MappedByteBuffer buffer = fileChannel.map(FileChannel.MapMode.READ_ONLY, 0, fileChannel.size());
+                                    fileContents = Charset.defaultCharset().decode(buffer).toString();
+                                } finally {
+                                    stream.close();
+                                }
+                            } else {
+                                Toast.makeText(context, R.string.file_not_found, Toast.LENGTH_SHORT).show();
+                                logger.warn("Wallet file not found: " + importPath);
+                                return;
+                            }
+                        } catch (Exception e) {
+                            Toast.makeText(context, R.string.error_reading_file, Toast.LENGTH_SHORT).show();
+                            logger.error("Error reading wallet file", e);
+                        }
+                        if (importJsonRadio.isChecked()) {
+                            Profile profile = ProfileManager.getCurrentProfile();
+                            if (profile.importWallet(fileContents, password)) {
+                                ProfileManager.updateProfile(profile);
+                                ProfileManager.setCurrentProfile(profile);
+                            } else {
+                                Toast.makeText(context, R.string.invalid_wallet_password, Toast.LENGTH_SHORT).show();
+                            }
+                        } else {
+                            Profile profile = ProfileManager.getCurrentProfile();
+                            profile.importPrivateKey(fileContents, password);
+                            ProfileManager.updateProfile(profile);
+                        }
+                    }
+
+                    @Override
+                    public void onNegative(MaterialDialog dialog) {
+                        dialog.hide();
+                    }
+                })
+                .build().show();
+    }
+
+    public static void showHeaderBackgroundDialog(final Context context) {
+        new MaterialDialog.Builder(context)
+                .adapter(new BackgroundArrayAdapter(context),
+                        new MaterialDialog.ListCallback() {
+                            @SuppressWarnings("ConstantConditions")
+                            @Override
+                            public void onSelection(MaterialDialog dialog, View itemView, int which, CharSequence text) {
+                                BackgroundArrayAdapter adapter = (BackgroundArrayAdapter) dialog.getListView().getAdapter();
+                                int imageResourceId = adapter.getImageResourceIdByPosition(which);
+                                ProfileManager.setCurrentProfileBackgroundResourceId(imageResourceId);
+                                dialog.dismiss();
+                            }
+                        })
+                .show();
+    }
+
 }

app/src/main/java/io/syng/util/ProfileManager.java

@@ -1,5 +1,6 @@
 package io.syng.util;
 
+import android.support.annotation.DrawableRes;
 import android.support.annotation.Nullable;
 
 import org.ethereum.crypto.HashUtil;
@@ -81,6 +82,7 @@ public final class ProfileManager {
             }
         }
 
+
         return new Profile();
     }
 
@@ -115,6 +117,15 @@ public final class ProfileManager {
         return null;
     }
 
+    public static void setCurrentProfileBackgroundResourceId(@DrawableRes int resourceId) {
+        PrefsUtil.setBackgroundResourceId(ProfileManager.getCurrentProfile().getId(), resourceId);
+        notifyListener();
+    }
+
+    public static int getCurrentProfileBackgroundResourceId() {
+        return PrefsUtil.getBackgroundResourceId(ProfileManager.getCurrentProfile().getId());
+    }
+
     public static void setProfilesChangeListener(ProfilesChangeListener listener) {
         getInstance().mProfilesChangeListener = listener;
     }
@@ -128,4 +139,5 @@ public final class ProfileManager {
             getInstance().mProfilesChangeListener.onProfilesChange();
         }
     }
+
 }

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

@@ -0,0 +1,12 @@
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+             xmlns:tools="http://schemas.android.com/tools"
+             android:layout_width="match_parent"
+             android:layout_height="match_parent"
+             tools:context="io.syng.activity.LoginActivity">
+
+    <ImageView
+        android:id="@+id/iv_background"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"/>
+
+</FrameLayout>

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

@@ -37,5 +37,9 @@
     <string name="dialog.button.cancel">Cancel</string>
     <string name="menu.profile.key.import">Import</string>
     <string name="menu.profile.key.export">Export</string>
+    <string name="title_activity_login">LoginActivity</string>
+
+    <string name="hello_world">Hello world!</string>
+    <string name="action_settings">Settings</string>
 
 </resources>