Add a (How?) link to the user cert details UI

Author: pimterry

app/src/main/java/tech/httptoolkit/android/ConnectionStatusView.kt

@@ -1,6 +1,7 @@
 package tech.httptoolkit.android
 
 import android.content.Context
+import android.text.method.LinkMovementMethod
 import android.view.LayoutInflater
 import android.widget.LinearLayout
 import android.widget.TextView
@@ -11,13 +12,18 @@ class ConnectionStatusView(
 ) : LinearLayout(context) {
 
     init {
-        LayoutInflater.from(context).inflate(
-            when (whereIsCertTrusted(proxyConfig)) {
-                "user" -> R.layout.connection_status_user
-                "system" -> R.layout.connection_status_system
-                else -> R.layout.connection_status_none
-            },
-        this, true)
+        val layout = when (whereIsCertTrusted(proxyConfig)) {
+            "user" -> R.layout.connection_status_user
+            "system" -> R.layout.connection_status_system
+            else -> R.layout.connection_status_none
+        }
+        LayoutInflater.from(context).inflate(layout, this, true)
+
+        if (layout == R.layout.connection_status_user) {
+            // Make inline links clickable:
+            val statusText = findViewById<TextView>(R.id.connectionStatusText)
+            if (statusText != null) statusText.movementMethod = LinkMovementMethod.getInstance()
+        }
 
         val connectedToText = findViewById<TextView>(R.id.connectedTo)
         connectedToText.text = context.getString(

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

@@ -42,9 +42,11 @@
                     android:text="@string/system_connection_status_disabled_heading" />
 
             <TextView
+                    android:id="@+id/connectionStatusText"
                     style="@style/ConnectionStatusText"
                     android:layout_width="wrap_content"
                     android:layout_height="wrap_content"
+                    android:textColorLink="@color/primaryInputBackground"
                     android:text="@string/user_connection_status_details" />
         </LinearLayout>
     </com.google.android.material.card.MaterialCardView>

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

@@ -20,7 +20,7 @@
     <string name="system_connection_status_disabled_heading">System interception disabled</string>
     <string name="system_connection_status_enabled_heading">System interception enabled</string>
 
-    <string name="user_connection_status_details">HTTPS traffic will only be intercepted from apps that are configured to trust user-installed certificates.</string>
+    <string name="user_connection_status_details">HTTPS traffic will be only intercepted from apps that are configured to trust user-installed certificates (<a href="https://httptoolkit.tech/docs/guides/android#intercepting-traffic-from-your-own-android-app">How?</a>)</string>
     <string name="system_connection_status_details">Traffic will be intercepted from all installed applications, except those using explicit certificate pinning.</string>
 
     <string name="scan_button">Scan code</string>