PowerEditor: added confirmation for back press

app/src/main/java/com/kauron/dungeonmanager/PowerEditor.java

@@ -1,9 +1,11 @@
 package com.kauron.dungeonmanager;
 
+import android.app.AlertDialog;
+import android.content.DialogInterface;
 import android.content.SharedPreferences;
 import android.graphics.drawable.Drawable;
-import android.support.v7.app.ActionBarActivity;
 import android.os.Bundle;
+import android.support.v7.app.ActionBarActivity;
 import android.support.v7.widget.Toolbar;
 import android.view.View;
 import android.widget.ArrayAdapter;
@@ -24,6 +26,28 @@ public class PowerEditor extends ActionBarActivity {
     private SharedPreferences p;
     private Drawable background;
 
+    @Override
+    public void onBackPressed() {
+        AlertDialog.Builder alert = new AlertDialog.Builder(this);
+        alert.setTitle(R.string.sure);
+        alert.setMessage(R.string.progress_lost);
+
+        alert.setPositiveButton(R.string.yes, new DialogInterface.OnClickListener() {
+            public void onClick(DialogInterface dialog, int whichButton) {
+                PowerEditor.super.onBackPressed();
+            }
+        });
+
+        alert.setNegativeButton(R.string.cancel, new DialogInterface.OnClickListener() {
+            public void onClick(DialogInterface dialog, int whichButton) {
+                // Canceled.
+            }
+        });
+
+        alert.show();
+
+    }
+
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);

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

@@ -153,7 +153,7 @@
 
 
     <string-array name="races">
-        <item>Race</item>
+        <item>Raza</item>
         <item>Dracónidos</item>
         <item>Eladrines</item>
         <item>Elfos</item>
@@ -181,4 +181,12 @@
     <string name="use">Usar</string>
     <string name="no_powers">No tienes poderes, añade uno</string>
     <string name="show_stats">Mostrar ataque/defensa</string>
+    <string name="action_settings">Ajustes</string>
+    <string name="hello_world">Hello world!</string>
+    <string name="title_activity_display">Display</string>
+    <string name="title_section1">Sección 1</string>
+    <string name="title_section2">Sección 2</string>
+    <string name="title_section3">Sección 3</string>
+    <string name="progress_lost">Tus cambios se perderán</string>
+    <string name="yes">Sí</string>
 </resources>

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

@@ -200,5 +200,7 @@
     <string name="hello_world">Hello world!</string>
 
     <string name="action_settings">Settings</string>
+    <string name="progress_lost">Your changes will be lost</string>
+    <string name="yes">Yes</string>
 
 </resources>