SettingsActivity: add delete account button

(it just goes to the web client's account delete flow)

Author: thatoddmailbox

app/src/main/java/space/myhomework/android/SettingsActivity.java

@@ -1,7 +1,11 @@
 package space.myhomework.android;
 
 import androidx.appcompat.app.AppCompatActivity;
+
+import android.content.Intent;
+import android.net.Uri;
 import android.os.Bundle;
+import android.view.View;
 
 public class SettingsActivity extends AppCompatActivity {
 
@@ -10,4 +14,9 @@ protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_settings);
     }
+
+    public void deleteAccount(View view) {
+        Intent browserIntent = new Intent(Intent.ACTION_VIEW, Uri.parse("https://app.myhomework.space/#!settings:requestAccountDeletion"));
+        startActivity(browserIntent);
+    }
 }

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

@@ -1,17 +1,24 @@
 <?xml version="1.0" encoding="utf-8"?>
-<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<LinearLayout 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"
     android:paddingBottom="@dimen/activity_vertical_margin"
     android:paddingLeft="@dimen/activity_horizontal_margin"
     android:paddingRight="@dimen/activity_horizontal_margin"
     android:paddingTop="@dimen/activity_vertical_margin"
+    android:orientation="vertical"
     tools:context="space.myhomework.android.SettingsActivity">
 
+    <Button
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:onClick="deleteAccount"
+        android:text="Delete account" />
+
     <TextView
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:text="Settings will go here eventually I guess"/>
+        android:text="Additional settings will go here in the future!" />
 
-</RelativeLayout>
+</LinearLayout>