Added copy challenge

app/src/main/java/eu/faircode/netguard/ActivityPro.java

@@ -20,6 +20,9 @@ package eu.faircode.netguard;
 */
 
 import android.app.PendingIntent;
+import android.content.ClipData;
+import android.content.ClipboardManager;
+import android.content.Context;
 import android.content.Intent;
 import android.graphics.Paint;
 import android.net.Uri;
@@ -37,12 +40,16 @@ import android.view.View;
 import android.view.WindowManager;
 import android.widget.Button;
 import android.widget.EditText;
+import android.widget.ImageButton;
 import android.widget.TextView;
+import android.widget.Toast;
 
 import androidx.appcompat.app.AlertDialog;
 import androidx.appcompat.app.AppCompatActivity;
 import androidx.core.app.NavUtils;
 
+import static android.content.ClipDescription.MIMETYPE_TEXT_PLAIN;
+
 public class ActivityPro extends AppCompatActivity {
     private static final String TAG = "NetGuard.Pro";
 
@@ -288,17 +295,28 @@ public class ActivityPro extends AppCompatActivity {
                 .create();
 
         String android_id = Settings.Secure.getString(getContentResolver(), Settings.Secure.ANDROID_ID);
-        String challenge = (Build.VERSION.SDK_INT < Build.VERSION_CODES.O ? Build.SERIAL : "O3" + android_id);
+        final String challenge = (Build.VERSION.SDK_INT < Build.VERSION_CODES.O ? Build.SERIAL : "O3" + android_id);
         String seed = (Build.VERSION.SDK_INT < Build.VERSION_CODES.O ? "NetGuard2" : "NetGuard3");
 
         // Challenge
         TextView tvChallenge = view.findViewById(R.id.tvChallenge);
         tvChallenge.setText(challenge);
 
+        ImageButton ibCopy = view.findViewById(R.id.ibCopy);
+        ibCopy.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View view) {
+                ClipboardManager clipboard = (ClipboardManager) getSystemService(Context.CLIPBOARD_SERVICE);
+                ClipData clip = ClipData.newPlainText(getString(R.string.title_pro_challenge), challenge);
+                clipboard.setPrimaryClip(clip);
+                Toast.makeText(ActivityPro.this, android.R.string.copy, Toast.LENGTH_LONG).show();
+            }
+        });
+
         // Response
+        final EditText etResponse = view.findViewById(R.id.etResponse);
         try {
             final String response = Util.md5(challenge, seed);
-            EditText etResponse = view.findViewById(R.id.etResponse);
             etResponse.addTextChangedListener(new TextWatcher() {
                 @Override
                 public void beforeTextChanged(CharSequence s, int start, int count, int after) {
@@ -324,6 +342,20 @@ public class ActivityPro extends AppCompatActivity {
             Log.e(TAG, ex.toString() + "\n" + Log.getStackTraceString(ex));
         }
 
+        ImageButton ibPaste = view.findViewById(R.id.ibPaste);
+        ibPaste.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View view) {
+                ClipboardManager clipboard = (ClipboardManager) getSystemService(Context.CLIPBOARD_SERVICE);
+                if (clipboard != null &&
+                        clipboard.hasPrimaryClip() &&
+                        clipboard.getPrimaryClipDescription().hasMimeType(MIMETYPE_TEXT_PLAIN)) {
+                    ClipData.Item item = clipboard.getPrimaryClip().getItemAt(0);
+                    etResponse.setText(item.getText().toString());
+                }
+            }
+        });
+
         dialog.show();
     }
 

app/src/main/res/drawable/baseline_file_copy_24.xml

@@ -0,0 +1,10 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="24dp"
+        android:height="24dp"
+        android:viewportWidth="24.0"
+        android:viewportHeight="24.0"
+        android:tint="?attr/colorControlNormal">
+    <path
+        android:fillColor="@android:color/white"
+        android:pathData="M16,1L4,1c-1.1,0 -2,0.9 -2,2v14h2L4,3h12L16,1zM15,5l6,6v10c0,1.1 -0.9,2 -2,2L7.99,23C6.89,23 6,22.1 6,21l0.01,-14c0,-1.1 0.89,-2 1.99,-2h7zM14,12h5.5L14,6.5L14,12z"/>
+</vector>

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

@@ -20,15 +20,29 @@
             android:text="@string/title_pro_challenge"
             android:textAppearance="@style/TextMedium" />
 
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:orientation="horizontal">
+
             <TextView
                 android:id="@+id/tvChallenge"
-            android:layout_width="wrap_content"
+                android:layout_width="0dp"
                 android:layout_height="wrap_content"
+                android:layout_weight="1"
                 android:text="@string/title_pro_challenge"
                 android:textAppearance="@style/TextMedium"
                 android:textIsSelectable="true"
                 android:textStyle="bold" />
 
+            <ImageButton
+                android:id="@+id/ibCopy"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginStart="8dp"
+                android:src="@drawable/baseline_file_copy_24" />
+        </LinearLayout>
+
         <TextView
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
@@ -36,11 +50,25 @@
             android:text="@string/title_pro_reponse"
             android:textAppearance="@style/TextMedium" />
 
-        <EditText
+        <LinearLayout
-            android:id="@+id/etResponse"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
+            android:orientation="horizontal">
+
+            <EditText
+                android:id="@+id/etResponse"
+                android:layout_width="0dp"
+                android:layout_height="wrap_content"
+                android:layout_weight="1"
                 android:importantForAccessibility="no"
                 android:inputType="text" />
+
+            <ImageButton
+                android:id="@+id/ibPaste"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginStart="8dp"
+                android:src="@drawable/baseline_file_copy_24" />
+        </LinearLayout>
     </LinearLayout>
 </ScrollView>