[controller] agregado código qr para compartir contenido. y corregir arranque de proxy

apk/controller/app/build.gradle

@@ -79,4 +79,6 @@ dependencies {
 	implementation 'androidx.biometric:biometric:1.1.0'
 	implementation 'com.google.android.material:material:1.11.0'
 	implementation 'androidx.webkit:webkit:1.12.0'
+	// ZXing for QR Code generation
+	implementation 'com.google.zxing:core:3.5.2'
 }

apk/controller/app/src/main/AndroidManifest.xml

@@ -42,13 +42,17 @@
 			</intent-filter>
 		</receiver>
 
-		<!-- VPN Recovery Receiver (The Boomerang) -->
+		<!-- VPN Recovery Receiver -->
 		<receiver android:name=".VpnRecoveryReceiver" android:exported="false">
 			<intent-filter>
 				<action android:name="org.iiab.controller.RECOVER_VPN" />
 			</intent-filter>
 		</receiver>
 
+        <activity android:name=".QrActivity"
+            android:exported="false"
+            android:theme="@style/Theme.TransparentQR" />
+
 		<!-- Termux Result Callback Receiver -->
 		<receiver android:name=".TermuxCallbackReceiver" android:exported="false">
 			<intent-filter>

apk/controller/app/src/main/java/org/iiab/controller/MainActivity.java

@@ -122,6 +122,8 @@ public class MainActivity extends AppCompatActivity implements View.OnClickListe
     private String serverTransitionText = "";
     private final Handler timeoutHandler = new Handler(android.os.Looper.getMainLooper());
     private Runnable timeoutRunnable;
+    private boolean isWifiActive = false;
+    private boolean isHotspotActive = false;
     private String currentTargetUrl = null;
     private long pulseStartTime = 0;
 
@@ -267,6 +269,7 @@ public class MainActivity extends AppCompatActivity implements View.OnClickListe
 
         deckContainer = findViewById(R.id.deck_container);
         btnServerControl = findViewById(R.id.btn_server_control);
+        ImageButton btnShareQr = findViewById(R.id.btn_share_qr);
 
         dashboardManager = new DashboardManager(this, findViewById(android.R.id.content), () -> {
             handleControlClick();
@@ -335,6 +338,23 @@ public class MainActivity extends AppCompatActivity implements View.OnClickListe
             }
         });
 
+        // --- QR Share Button Logic ---
+        btnShareQr.setOnClickListener(v -> {
+            if (!isServerAlive) {
+                // Rule 1: Server must be running
+                Snackbar.make(findViewById(android.R.id.content), R.string.qr_error_no_server, Snackbar.LENGTH_LONG).show();
+                return;
+            }
+            if (!isWifiActive && !isHotspotActive) {
+                // Rule 2: At least one network must be active
+                Snackbar.make(findViewById(android.R.id.content), R.string.qr_error_no_network, Snackbar.LENGTH_LONG).show();
+                return;
+            }
+
+            // Launch the new QrActivity
+            startActivity(new Intent(MainActivity.this, QrActivity.class));
+        });
+
         connectionLog.setMovementMethod(new ScrollingMovementMethod());
         connectionLog.setTextIsSelectable(true);
         connectionLog.setOnTouchListener((v, event) -> {
@@ -1003,8 +1023,13 @@ public class MainActivity extends AppCompatActivity implements View.OnClickListe
              intent.putExtra("com.termux.RUN_COMMAND_PATH", "/data/data/com.termux/files/usr/bin/iiab-termux");
              intent.putExtra("com.termux.RUN_COMMAND_ARGUMENTS", new String[]{actionFlag});
              intent.putExtra("com.termux.RUN_COMMAND_WORKDIR", "/data/data/com.termux/files/home");
-             intent.putExtra("com.termux.RUN_COMMAND_BACKGROUND", false);
+             intent.putExtra("com.termux.RUN_COMMAND_PATH", "/data/data/com.termux/files/usr/bin/env");
-             intent.putExtra("com.termux.RUN_COMMAND_SESSION_ACTION", "0");
+             intent.putExtra("com.termux.RUN_COMMAND_ARGUMENTS", new String[]{
+                     "INTENT_MODE=headless",
+                     "/data/data/com.termux/files/usr/bin/bash",
+                     "/data/data/com.termux/files/usr/bin/iiab-termux",
+                     actionFlag
+             });
 
              try {
                      if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
@@ -1043,6 +1068,10 @@ public class MainActivity extends AppCompatActivity implements View.OnClickListe
             } catch (Exception ex) {}
         }
 
+        // Store states for the QR button logic
+        this.isWifiActive = isWifiOn;
+        this.isHotspotActive = isHotspotOn;
+
         // Let the Dashboard handle the LEDs!
         if (dashboardManager != null) dashboardManager.updateConnectivityLeds(isWifiOn, isHotspotOn);
          }

apk/controller/app/src/main/java/org/iiab/controller/QrActivity.java

@@ -0,0 +1,184 @@
+package org.iiab.controller;
+
+import android.graphics.Bitmap;
+import android.graphics.Color;
+import android.os.Bundle;
+import android.view.View;
+import android.widget.Button;
+import android.widget.ImageView;
+import android.widget.ImageButton;
+import android.widget.TextView;
+
+import androidx.appcompat.app.AppCompatActivity;
+
+import android.animation.Animator;
+import android.animation.AnimatorListenerAdapter;
+import android.animation.ObjectAnimator;
+import com.google.zxing.BarcodeFormat;
+import com.google.zxing.WriterException;
+import com.google.zxing.common.BitMatrix;
+import com.google.zxing.qrcode.QRCodeWriter;
+
+import java.net.Inet4Address;
+import java.net.InetAddress;
+import java.net.NetworkInterface;
+import java.util.Collections;
+import java.util.List;
+
+public class QrActivity extends AppCompatActivity {
+
+    private TextView titleText;
+    private TextView ipText;
+    private ImageView qrImageView;
+    private ImageButton btnFlip;
+    private View cardContainer;
+    
+    private String wifiIp = null;
+    private String hotspotIp = null;
+    private boolean showingWifi = true; // Tracks which network is currently displayed
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_qr); // Rename your dialog_qr.xml to this
+
+        titleText = findViewById(R.id.qr_network_title);
+        ipText = findViewById(R.id.qr_ip_text);
+        qrImageView = findViewById(R.id.qr_image_view);
+        btnFlip = findViewById(R.id.btn_flip_qr);
+        cardContainer = findViewById(R.id.qr_card_container);
+        Button btnClose = findViewById(R.id.btn_close_qr);
+
+        // Improve 3D perspective to avoid visual clipping during rotation
+        float distance = 8000 * getResources().getDisplayMetrics().density;
+        cardContainer.setCameraDistance(distance);
+
+        btnClose.setOnClickListener(v -> finish());
+
+        btnFlip.setOnClickListener(v -> {
+            // Disable button during animation to prevent spam
+            btnFlip.setEnabled(false);
+            animateCardFlip();
+        });
+
+        // 1. Fetch real physical IPs with strict interface naming
+        fetchNetworkInterfaces();
+
+        // 2. Determine initial state and button visibility
+        if (wifiIp != null && hotspotIp != null) {
+            btnFlip.setVisibility(View.VISIBLE); // Both active, enable flipping
+            showingWifi = true;
+        } else if (wifiIp != null) {
+            btnFlip.setVisibility(View.GONE);
+            showingWifi = true;
+        } else if (hotspotIp != null) {
+            btnFlip.setVisibility(View.GONE);
+            showingWifi = false;
+        } else {
+            // Fallback just in case they died between the MainActivity click and this onCreate
+            finish();
+            return;
+        }
+
+        updateQrDisplay();
+    }
+
+    /**
+     * Performs a 3D flip animation. Swaps the data halfway through when the card is invisible.
+     */
+    private void animateCardFlip() {
+        // Phase 1: Rotate out (0 to 90 degrees)
+        ObjectAnimator flipOut = ObjectAnimator.ofFloat(cardContainer, "rotationY", 0f, 90f);
+        flipOut.setDuration(200); // 200ms
+        flipOut.addListener(new AnimatorListenerAdapter() {
+            @Override
+            public void onAnimationEnd(Animator animation) {
+                // Card is edge-on (invisible). Swap the data!
+                showingWifi = !showingWifi;
+                updateQrDisplay();
+
+                // Phase 2: Rotate in from the other side (-90 to 0 degrees)
+                cardContainer.setRotationY(-90f);
+                ObjectAnimator flipIn = ObjectAnimator.ofFloat(cardContainer, "rotationY", -90f, 0f);
+                flipIn.setDuration(200);
+                flipIn.addListener(new AnimatorListenerAdapter() {
+                    @Override
+                    public void onAnimationEnd(Animator animation) {
+                        btnFlip.setEnabled(true); // Unlock button
+                    }
+                });
+                flipIn.start();
+            }
+        });
+        flipOut.start();
+    }
+
+    /**
+     * Updates the UI text and generates the new QR Code
+     */
+    private void updateQrDisplay() {
+        String currentIp = showingWifi ? wifiIp : hotspotIp;
+        String title = showingWifi ? getString(R.string.qr_title_wifi) : getString(R.string.qr_title_hotspot);
+        
+        // 8085 is the default port for the IIAB interface
+        String url = "http://" + currentIp + ":8085";
+
+        titleText.setText(title);
+        ipText.setText(url);
+
+        Bitmap qrBitmap = generateQrCode(url);
+        if (qrBitmap != null) {
+            qrImageView.setImageBitmap(qrBitmap);
+        }
+    }
+
+    /**
+     * Strictly categorizes network interfaces to avoid Hotspot being labeled as Wi-Fi.
+     */
+    private void fetchNetworkInterfaces() {
+        try {
+            List<NetworkInterface> interfaces = Collections.list(NetworkInterface.getNetworkInterfaces());
+            for (NetworkInterface intf : interfaces) {
+                String name = intf.getName();
+                if (!intf.isUp()) continue;
+
+                // Strict categorizations
+                boolean isStrictWifi = name.equals("wlan0");
+                boolean isHotspot = name.startsWith("ap") || name.startsWith("swlan") || name.equals("wlan1") || name.equals("wlan2");
+
+                if (isStrictWifi || isHotspot) {
+                    List<InetAddress> addrs = Collections.list(intf.getInetAddresses());
+                    for (InetAddress addr : addrs) {
+                        if (!addr.isLoopbackAddress() && addr instanceof Inet4Address) {
+                            if (isStrictWifi) wifiIp = addr.getHostAddress();
+                            if (isHotspot) hotspotIp = addr.getHostAddress();
+                        }
+                    }
+                }
+            }
+        } catch (Exception ignored) { }
+    }
+
+    /**
+     * Generates a pure Black & White Bitmap using ZXing.
+     */
+    private Bitmap generateQrCode(String text) {
+        QRCodeWriter writer = new QRCodeWriter();
+        try {
+            // 800x800 guarantees high resolution on any screen
+            BitMatrix bitMatrix = writer.encode(text, BarcodeFormat.QR_CODE, 800, 800);
+            int width = bitMatrix.getWidth();
+            int height = bitMatrix.getHeight();
+            Bitmap bmp = Bitmap.createBitmap(width, height, Bitmap.Config.RGB_565);
+            
+            for (int x = 0; x < width; x++) {
+                for (int y = 0; y < height; y++) {
+                    bmp.setPixel(x, y, bitMatrix.get(x, y) ? Color.BLACK : Color.WHITE);
+                }
+            }
+            return bmp;
+        } catch (WriterException e) {
+            return null;
+        }
+    }
+}

apk/controller/app/src/main/res/layout/activity_qr.xml

@@ -0,0 +1,87 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical"
+    android:background="#DD000000"
+    android:padding="24dp">
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="0dp"
+        android:layout_weight="1"
+        android:gravity="center">
+
+        <LinearLayout
+            android:id="@+id/qr_card_container"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:orientation="vertical"
+            android:background="@drawable/rounded_button"
+            android:backgroundTint="#1A1A1A"
+            android:elevation="8dp"
+            android:padding="16dp">
+
+            <RelativeLayout
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginBottom="4dp">
+
+                <TextView
+                    android:id="@+id/qr_network_title"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_alignParentStart="true"
+                    android:layout_centerVertical="true"
+                    android:layout_toStartOf="@+id/btn_flip_qr"
+                    android:text="Wi-Fi Network"
+                    android:textColor="#FFFFFF"
+                    android:textSize="22sp"
+                    android:textStyle="bold" />
+
+                <ImageButton
+                    android:id="@+id/btn_flip_qr"
+                    android:layout_width="48dp"
+                    android:layout_height="48dp"
+                    android:layout_alignParentEnd="true"
+                    android:layout_centerVertical="true"
+                    android:background="?android:attr/selectableItemBackgroundBorderless"
+                    android:src="@android:drawable/ic_popup_sync"
+                    android:contentDescription="@string/qr_flip_network"
+                    android:tint="#FFFFFF"
+                    android:scaleType="fitCenter"
+                    android:padding="8dp"
+                    android:visibility="gone" />
+            </RelativeLayout>
+
+            <TextView
+                android:id="@+id/qr_ip_text"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:text="http://---"
+                android:textColor="#AAAAAA"
+                android:textSize="16sp"
+                android:layout_marginBottom="16dp" />
+
+            <ImageView
+                android:id="@+id/qr_image_view"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:adjustViewBounds="true"
+                android:scaleType="fitCenter"
+                android:background="#FFFFFF"
+                android:padding="16dp" />
+
+        </LinearLayout>
+    </LinearLayout>
+
+    <Button
+        android:id="@+id/btn_close_qr"
+        android:layout_width="match_parent"
+        android:layout_height="56dp"
+        android:layout_marginTop="24dp"
+        android:text="Close"
+        android:backgroundTint="@color/btn_danger"
+        android:textColor="#FFFFFF" />
+
+</LinearLayout>

apk/controller/app/src/main/res/layout/main.xml

@@ -31,6 +31,19 @@
             android:textSize="18sp"
             android:textStyle="bold" />
 
+        <ImageButton
+            android:id="@+id/btn_share_qr"
+            android:layout_width="48dp"
+            android:layout_height="48dp"
+            android:layout_toStartOf="@id/btn_settings"
+            android:layout_centerVertical="true"
+            android:background="?android:attr/selectableItemBackgroundBorderless"
+            android:src="@android:drawable/ic_menu_share"
+            android:contentDescription="Share via QR"
+            android:padding="12dp"
+            android:scaleType="fitCenter"
+            android:tint="#FFFFFF" />
+
         <ImageButton
             android:id="@+id/btn_settings"
             android:layout_width="48dp"

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

@@ -90,4 +90,10 @@
 	<string name="battery_opt_xiaomi_extra">\n\nXiaomi detected: Please set battery saver to \'No restrictions\' in settings.</string>
     <string name="battery_opt_denied">For the app to work 100%, please disable battery optimization.</string>
     <string name="fix_action">FIX</string>
+
+	<string name="qr_error_no_server">Please start the server to share over the network.</string>
+	<string name="qr_error_no_network">Please enable Wi-Fi or Hotspot to share over the network.</string>
+	<string name="qr_title_wifi">Wi-Fi Network</string>
+	<string name="qr_title_hotspot">Hotspot Network</string>
+	<string name="qr_flip_network">Switch Network</string>
 </resources>

apk/controller/app/src/main/res/values/themes.xml

@@ -11,4 +11,10 @@
         <item name="sectionBackground">@color/section_body_bg_light</item>
         <item name="sectionHeaderBackground">@color/section_header_bg</item>
     </style>
+    <style name="Theme.TransparentQR" parent="Theme.AppCompat.NoActionBar">
+        <item name="android:windowIsTranslucent">true</item>
+        <item name="android:windowBackground">@android:color/transparent</item>
+        <item name="android:windowNoTitle">true</item>
+        <item name="android:backgroundDimEnabled">false</item>
+    </style>
 </resources>