Added logo and made login page slightly more clear.

app/src/main/AndroidManifest.xml

@@ -8,7 +8,7 @@
 
     <application
         android:allowBackup="true"
-        android:icon="@mipmap/ic_launcher"
+        android:icon="@drawable/ic_logo"
         android:label="@string/app_name"
         android:supportsRtl="true"
         android:theme="@style/AppTheme">

app/src/main/java/com/keylesspalace/tusky/LoginActivity.java

@@ -15,13 +15,16 @@
 
 package com.keylesspalace.tusky;
 
+import android.app.AlertDialog;
 import android.content.Context;
+import android.content.DialogInterface;
 import android.content.Intent;
 import android.content.SharedPreferences;
 import android.net.Uri;
 import android.os.Bundle;
 import android.support.v7.app.AppCompatActivity;
 import android.support.v7.widget.Toolbar;
+import android.util.Log;
 import android.view.View;
 import android.widget.Button;
 import android.widget.EditText;
@@ -41,6 +44,7 @@ import java.util.HashMap;
 import java.util.Map;
 
 public class LoginActivity extends AppCompatActivity {
+    private static final String TAG = "LoginActivity";
     private static String OAUTH_SCOPES = "read write follow";
 
     private SharedPreferences preferences;
@@ -94,7 +98,7 @@ public class LoginActivity extends AppCompatActivity {
             queryParameters = toQueryString(parameters);
         } catch (UnsupportedEncodingException e) {
             //TODO: No clue how to handle this error case??
-            assert(false);
+            Log.e(TAG, "Was not able to build the authorization URL.");
             return;
         }
         String url = "https://" + domain + endpoint + "?" + queryParameters;
@@ -109,7 +113,6 @@ public class LoginActivity extends AppCompatActivity {
      */
     private void onButtonClick(final EditText editText) {
         domain = validateDomain(editText.getText().toString());
-        assert(domain != null);
         /* Attempt to get client credentials from SharedPreferences, and if not present
          * (such as in the case that the domain has never been accessed before)
          * authenticate with the server and store the received credentials to use next
@@ -127,7 +130,7 @@ public class LoginActivity extends AppCompatActivity {
                 parameters.put("redirect_uris", getOauthRedirectUri());
                 parameters.put("scopes", OAUTH_SCOPES);
             } catch (JSONException e) {
-                //TODO: error text????
+                Log.e(TAG, "Unable to build the form data for the authentication request.");
                 return;
             }
             JsonObjectRequest request = new JsonObjectRequest(
@@ -139,7 +142,7 @@ public class LoginActivity extends AppCompatActivity {
                                 clientId = response.getString("client_id");
                                 clientSecret = response.getString("client_secret");
                             } catch (JSONException e) {
-                                //TODO: Heck
+                                Log.e(TAG, "Couldn't get data from the authentication response.");
                                 return;
                             }
                             SharedPreferences.Editor editor = preferences.edit();
@@ -177,6 +180,23 @@ public class LoginActivity extends AppCompatActivity {
                 onButtonClick(editText);
             }
         });
+        TextView noAccount = (TextView) findViewById(R.id.no_account);
+        final Context context = this;
+        noAccount.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                new AlertDialog.Builder(context)
+                        .setMessage(R.string.dialog_no_account)
+                        .setPositiveButton(R.string.action_close,
+                                new DialogInterface.OnClickListener() {
+                                    @Override
+                                    public void onClick(DialogInterface dialog, int which) {
+                                        dialog.dismiss();
+                                    }
+                                })
+                        .show();
+            }
+        });
     }
 
     @Override
@@ -258,7 +278,6 @@ public class LoginActivity extends AppCompatActivity {
                  * can try again. */
                 errorText.setText(error);
             } else {
-                assert(false);
                 // This case means a junk response was received somehow.
                 errorText.setText("An unidentified authorization error occurred.");
             }

app/src/main/java/com/keylesspalace/tusky/SplashActivity.java

@@ -21,13 +21,6 @@ import android.content.SharedPreferences;
 import android.os.Bundle;
 import android.support.v7.app.AppCompatActivity;
 
-import com.android.volley.Request;
-import com.android.volley.Response;
-import com.android.volley.toolbox.JsonObjectRequest;
-
-import org.json.JSONException;
-import org.json.JSONObject;
-
 public class SplashActivity extends AppCompatActivity {
     @Override
     protected void onCreate(Bundle savedInstanceState) {

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

@@ -0,0 +1,15 @@
+<vector android:height="96dp" android:viewportHeight="708.66144"
+    android:viewportWidth="708.66144" android:width="96dp" xmlns:android="http://schemas.android.com/apk/res/android">
+    <path android:fillAlpha="1" android:fillColor="#ffffff"
+        android:pathData="M52.6,83.3L658.5,83.3A35.6,35.6 0,0 1,694.1 118.8L694.1,601.5A35.6,35.6 0,0 1,658.5 637L52.6,637A35.6,35.6 0,0 1,17.1 601.5L17.1,118.8A35.6,35.6 0,0 1,52.6 83.3z"
+        android:strokeAlpha="1" android:strokeColor="#000000"
+        android:strokeLineCap="round" android:strokeLineJoin="round" android:strokeWidth="29.10281563"/>
+    <path android:fillAlpha="1" android:fillColor="#000000"
+        android:pathData="m207.1,180.8c0,0 -68.4,34.6 -87.7,112.3 -19.3,77.7 10.6,194.8 152,198.1 199.2,4.7 231.9,-233.1 236.1,-239.7 4.2,-6.7 34.9,-17.5 41.3,5.5 6.4,23 -38.9,303.9 -285.7,281.1C74.8,520.6 66.1,372.8 67.5,344.3 70,293 107.6,232.8 141.9,204.8c34.3,-28.1 65.2,-24 65.2,-24z"
+        android:strokeAlpha="1" android:strokeColor="#00000000"
+        android:strokeLineCap="butt" android:strokeLineJoin="miter" android:strokeWidth="1"/>
+    <path android:fillAlpha="1" android:fillColor="#000000"
+        android:pathData="m277.8,176.2c0,0 68.9,43.2 93.7,97.4 24.8,54.2 65.3,243.9 163.5,238.8 71.2,-3.7 94.4,-42 105.3,-101.7C651.2,350.9 649.8,269.9 624.1,243.2 609.3,228 583.2,250.3 592.9,270.8 617.7,403.1 582.8,472.4 517.6,443.5 452.3,414.5 453.2,328.5 392.6,234 350.9,168.9 277.8,176.2 277.8,176.2Z"
+        android:strokeAlpha="1" android:strokeColor="#00000000"
+        android:strokeLineCap="butt" android:strokeLineJoin="miter" android:strokeWidth="1"/>
+</vector>

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

@@ -1,9 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <layer-list xmlns:android="http://schemas.android.com/apk/res/android">
     <item android:drawable="@color/gray" />
-    <item>
-        <bitmap
-            android:gravity="center"
-            android:src="@mipmap/ic_launcher" />
-    </item>
+    <item android:drawable="@drawable/ic_logo" android:gravity="center" />
 </layer-list>

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

@@ -43,7 +43,8 @@
             android:layout_height="wrap_content"
             android:inputType="text"
             android:ems="10"
-            android:id="@+id/field_content_warning" />
+            android:id="@+id/field_content_warning"
+            android:hint="@string/hint_content_warning" />
 
     </LinearLayout>
 
@@ -59,7 +60,7 @@
             android:ems="10"
             android:gravity="top|start"
             android:id="@+id/field_status"
-            android:contentDescription="@string/description_compose" />
+            android:hint="@string/hint_compose" />
 
         <LinearLayout
             android:layout_width="match_parent"

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

@@ -29,8 +29,8 @@
             <EditText
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
-                android:inputType="textPersonName"
-                android:contentDescription="@string/description_domain"
+                android:inputType="textUri"
+                android:hint="@string/hint_domain"
                 android:ems="10"
                 android:id="@+id/edit_text_domain" />
 
@@ -45,7 +45,14 @@
                 android:layout_height="wrap_content"
                 android:id="@+id/text_error" />
 
+            <TextView
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:id="@+id/no_account"
+                android:text="@string/link_no_account" />
+
         </LinearLayout>
+
     </RelativeLayout>
 
 </LinearLayout>

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

@@ -92,14 +92,24 @@
     <string name="action_hide_text">Hide text behind warning</string>
     <string name="action_ok">Ok</string>
     <string name="action_cancel">Cancel</string>
+    <string name="action_close">Close</string>
     <string name="action_back">Back</string>
     <string name="action_profile">Profile</string>
     <string name="action_open_in_web">Open In Web</string>
 
     <string name="confirmation_send">Toot!</string>
 
-    <string name="description_domain">Domain</string>
-    <string name="description_compose">What\'s Happening?</string>
+    <string name="hint_domain">example.com</string>
+    <string name="hint_compose">What\'s Happening?</string>
+    <string name="hint_content_warning">Beware, folks</string>
+
+    <string name="link_no_account">No account?</string>
+
+    <string name="dialog_no_account">
+        Similar to an email address, a Mastodon account can be provided by any one of many
+        websites.\n\nSo, find the address of one you\'d like to join and enter it here. This will
+        direct you there to either make an account or log in.
+    </string>
 
     <string name="visibility_public">Show on public timeline</string>
     <string name="visibility_unlisted">Do not display on public timeline</string>