Initial release: Miracast Enabler KernelSU module v1.0.0

Enables Wi-Fi Display (Miracast) on Pixel phones where Google
disabled it in software. Uses fabricated overlays, system properties,
and sysconfig XML. Includes WebUI for KernelSU manager.

Tested hardware: Pixel 10 Pro Fold (rango), Tensor G5, BCM4390.

build.sh

@@ -0,0 +1,111 @@
+#!/bin/bash
+# Build Miracast Enabler KernelSU/Magisk module zip
+#
+# The module uses fabricated overlays at runtime (no APK needed).
+# If you have a local aapt2 binary (e.g. pulled from the phone),
+# set AAPT2=/path/to/aapt2 and FRAMEWORK_RES=/path/to/framework-res.apk
+# to also build an RRO APK as a fallback for pre-Android 12 devices.
+set -e
+
+cd "$(dirname "$0")"
+
+MODULE_ZIP="miracast-enabler-v1.0.0.zip"
+
+echo "=== Miracast Enabler Build ==="
+echo ""
+
+# Optional: build RRO APK if tools are available
+AAPT2="${AAPT2:-tools/aapt2}"
+FRAMEWORK_RES="${FRAMEWORK_RES:-tools/framework-res.apk}"
+
+if [ -x "$AAPT2" ] && [ -f "$FRAMEWORK_RES" ]; then
+    echo "[1/3] Building RRO overlay APK..."
+
+    OVERLAY_DIR="overlay"
+    rm -rf "$OVERLAY_DIR/build"
+    mkdir -p "$OVERLAY_DIR/build"
+
+    "$AAPT2" compile \
+        --dir "$OVERLAY_DIR/res" \
+        -o "$OVERLAY_DIR/build/compiled.zip"
+
+    "$AAPT2" link \
+        --manifest "$OVERLAY_DIR/AndroidManifest.xml" \
+        -I "$FRAMEWORK_RES" \
+        -o "$OVERLAY_DIR/build/MiracastEnablerOverlay.apk" \
+        "$OVERLAY_DIR/build/compiled.zip"
+
+    # Sign if possible
+    KEYSTORE="build-key.jks"
+    KEY_ALIAS="miracast"
+    KEY_PASS="miracast-build"
+
+    if ! [ -f "$KEYSTORE" ] && command -v keytool >/dev/null 2>&1; then
+        keytool -genkeypair \
+            -keystore "$KEYSTORE" \
+            -alias "$KEY_ALIAS" \
+            -keyalg RSA -keysize 2048 -validity 10000 \
+            -storepass "$KEY_PASS" -keypass "$KEY_PASS" \
+            -dname "CN=Miracast Enabler,O=Module,C=US"
+    fi
+
+    if [ -f "$KEYSTORE" ]; then
+        if command -v apksigner >/dev/null 2>&1; then
+            apksigner sign \
+                --ks "$KEYSTORE" --ks-key-alias "$KEY_ALIAS" \
+                --ks-pass "pass:$KEY_PASS" --key-pass "pass:$KEY_PASS" \
+                --out "$OVERLAY_DIR/MiracastEnablerOverlay.apk" \
+                "$OVERLAY_DIR/build/MiracastEnablerOverlay.apk"
+        elif command -v jarsigner >/dev/null 2>&1; then
+            cp "$OVERLAY_DIR/build/MiracastEnablerOverlay.apk" "$OVERLAY_DIR/MiracastEnablerOverlay.apk"
+            jarsigner -keystore "$KEYSTORE" \
+                -storepass "$KEY_PASS" -keypass "$KEY_PASS" \
+                "$OVERLAY_DIR/MiracastEnablerOverlay.apk" "$KEY_ALIAS"
+        else
+            cp "$OVERLAY_DIR/build/MiracastEnablerOverlay.apk" "$OVERLAY_DIR/MiracastEnablerOverlay.apk"
+        fi
+    else
+        cp "$OVERLAY_DIR/build/MiracastEnablerOverlay.apk" "$OVERLAY_DIR/MiracastEnablerOverlay.apk"
+    fi
+
+    mkdir -p system/vendor/overlay
+    cp "$OVERLAY_DIR/MiracastEnablerOverlay.apk" system/vendor/overlay/
+    echo "   RRO APK built: $(du -h system/vendor/overlay/MiracastEnablerOverlay.apk | cut -f1)"
+    rm -rf "$OVERLAY_DIR/build"
+else
+    echo "[1/3] Skipping RRO APK (no local aapt2 or framework-res.apk)"
+    echo "   Module will use fabricated overlays on Android 12+"
+    echo "   To build APK: pull aapt2 from phone with ./pull-aapt2.sh"
+    rm -rf system/vendor/overlay
+fi
+
+echo "[2/3] Packaging module..."
+rm -f "$MODULE_ZIP"
+
+# Build file list
+FILES=(
+    module.prop
+    customize.sh
+    post-fs-data.sh
+    service.sh
+    system.prop
+    system/
+    webroot/
+)
+
+# Include overlay source for on-device build fallback
+FILES+=(overlay/AndroidManifest.xml overlay/res/)
+
+# Include pre-built APK if it exists
+if [ -f "system/vendor/overlay/MiracastEnablerOverlay.apk" ]; then
+    FILES+=(system/vendor/overlay/MiracastEnablerOverlay.apk)
+fi
+
+zip -r9 "$MODULE_ZIP" "${FILES[@]}" \
+    -x "overlay/build/*" "*.git*" "build.sh" "build-key.jks" \
+    "pull-aapt2.sh" "tools/*" "README*"
+
+echo "[3/3] Done"
+echo ""
+echo "=== $MODULE_ZIP ($(du -h "$MODULE_ZIP" | cut -f1)) ==="
+echo "Flash via KernelSU or Magisk manager"