Implemented function to save URL in SharedPreferences

Author: julianschmuckli

app/src/main/AndroidManifest.xml

@@ -28,7 +28,7 @@
             </intent-filter>
         </activity>
 
-        <activity android:name=".SettingsActivity"></activity>
+        <activity android:name=".SettingsActivity" />
     </application>
 
 </manifest>

app/src/main/java/com/coderbunker/kioskapp/KioskActivity.java

@@ -30,7 +30,7 @@ public class KioskActivity extends Activity {
     private final Context context = this;
     private WebView webView;
     private static String password = "1234";
-    private static String URL = "https://naibaben.github.io/";
+    private static String URL = "";
 
     private final List blockedKeys = new ArrayList(Arrays.asList(KeyEvent.KEYCODE_VOLUME_DOWN,
             KeyEvent.KEYCODE_VOLUME_UP, KeyEvent.KEYCODE_BACK, KeyEvent.KEYCODE_HOME, KeyEvent.KEYCODE_POWER, KeyEvent.KEYCODE_APP_SWITCH));
@@ -71,6 +71,11 @@ protected void onCreate(Bundle savedInstanceState) {
 
         setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);
 
+        prefs = this.getSharedPreferences(
+                "com.coderbunker.kioskapp", Context.MODE_PRIVATE);
+
+        URL = prefs.getString("url", "https://naibaben.github.io/");
+
         //Get the webView and load the URL
         webView = findViewById(R.id.webview);
         webView.setWebViewClient(new KioskWebviewClient());
@@ -93,9 +98,6 @@ public boolean onTouch(View view, MotionEvent motionEvent) {
             }
         });
 
-        prefs = this.getSharedPreferences(
-                "com.coderbunker.kioskapp", Context.MODE_PRIVATE);
-
         TimerTask lock = new TimerTask() {
             @Override
             public void run() {

app/src/main/java/com/coderbunker/kioskapp/SettingsActivity.java

@@ -7,6 +7,7 @@
 import android.graphics.Color;
 import android.support.v7.app.AppCompatActivity;
 import android.os.Bundle;
+import android.view.KeyEvent;
 import android.view.View;
 import android.webkit.URLUtil;
 import android.widget.Button;
@@ -27,7 +28,7 @@ public class SettingsActivity extends Activity {
 
     private Context context = this;
     private EditText editURL;
-    private Button saveChanges;
+    private SharedPreferences prefs;
 
     private ImageView imgQRCode;
 
@@ -38,34 +39,31 @@ protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_settings);
 
-        SharedPreferences prefs = this.getSharedPreferences(
+        prefs = this.getSharedPreferences(
                 "com.coderbunker.kioskapp", Context.MODE_PRIVATE);
 
         imgQRCode = findViewById(R.id.imgQRCode);
         editURL = findViewById(R.id.editText_URL);
 
-        saveChanges = findViewById(R.id.button_save);
-        saveChanges.setOnClickListener(new View.OnClickListener() {
 
-            @Override
-            public void onClick(View view) {
+        /* TODO Save after button press or change listener
 
-                boolean changed = false;
-                String url = editURL.getText().toString();
+        boolean changed = false;
+        String url = editURL.getText().toString();
 
-                if (url != "" && URLUtil.isValidUrl(url)) {
-                    KioskActivity.setURL(editURL.getText().toString());
-                    changed = true;
-                }
-
-                if (changed)
-                    Toast.makeText(context, "Changes saved!", LENGTH_LONG).show();
+        if (url != "" && URLUtil.isValidUrl(url)) {
+            prefs.edit().putString("url", url).apply();
+            changed = true;
+        }
 
-                finish();
-            }
-        });
+        if (changed)
+            Toast.makeText(context, "Changes saved!", LENGTH_LONG).show();*/
 
         String otp = prefs.getString("otp", null);
+        String url = prefs.getString("url", "https://naibaben.github.io/");
+
+        editURL.setText(url);
+
         if (otp == null) {
 
             byte key_1 = (byte) Math.floor(Math.random() * 10);

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

@@ -46,14 +46,6 @@
             android:inputType="textUri"
             android:hint="Enter the URL here..."/>
 
-        <Button
-            android:id="@+id/button_save"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:layout_gravity="center_horizontal"
-            android:layout_marginTop="50dp"
-            android:text="Save changes" />
-
 
     </LinearLayout>