mirror of
https://github.com/NohamR/RMHook-Android.git
synced 2026-10-10 18:29:42 +00:00
212 lines
6.8 KiB
Bash
Executable File
212 lines
6.8 KiB
Bash
Executable File
#!/usr/bin/env bash
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REPO="NohamR/RMHook-Android"
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WORKDIR="/tmp/rmhook"
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set -euo pipefail
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# --- Check dependencies ---
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echo "[INFO] Checking dependencies..."
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MISSING=()
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for cmd in adb apktool keytool; do
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command -v "$cmd" >/dev/null 2>&1 || MISSING+=("$cmd")
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done
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# Check Android SDK build-tools (zipalign + apksigner)
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SDK_ROOT="${ANDROID_SDK_ROOT:-$HOME/Library/Android/sdk}"
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BUILD_TOOLS="$(find "$SDK_ROOT/build-tools" -maxdepth 1 -type d 2>/dev/null | sort -V | tail -1)"
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if [ -z "$BUILD_TOOLS" ] || [ ! -d "$BUILD_TOOLS" ]; then
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MISSING+=("Android SDK build-tools (zipalign, apksigner)")
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fi
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if [ ${#MISSING[@]} -gt 0 ]; then
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echo "❌ Missing required tools:"
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for m in "${MISSING[@]}"; do echo " - $m"; done
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echo ""
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echo "Install with:"
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echo " brew install apktool android-platform-tools"
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echo " # Android SDK build-tools via Android Studio SDK Manager"
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exit 1
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fi
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export ANDROID_SDK_BUILD_TOOLS="$BUILD_TOOLS"
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# --- Setup workspace ---
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echo "[INFO] Setting up workspace..."
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rm -rf "$WORKDIR"
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mkdir -p "$WORKDIR/build" "$WORKDIR/libs" "$WORKDIR/config" "$WORKDIR/output"
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# --- Download .so files from releases ---
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echo "[INFO] Downloading librmhook.so..."
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curl -sL \
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-o "$WORKDIR/build/librmhook.so" \
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"https://github.com/$REPO/releases/latest/download/librmhook.so"
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echo "[INFO] Downloading libshadowhook_nothing.so..."
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curl -sL \
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-o "$WORKDIR/libs/libshadowhook_nothing.so" \
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"https://github.com/$REPO/releases/latest/download/libshadowhook_nothing.so"
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# --- Pull APK splits from device ---
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APK_DIR="$HOME/reMarkable/app"
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mkdir -p "$APK_DIR"
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echo "[INFO] Detecting reMarkable app on device..."
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PKG_PATHS="$(adb shell pm path com.remarkable.mobile 2>/dev/null || true)"
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if [ -z "$PKG_PATHS" ]; then
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echo "❌ reMarkable app not found on device. Install it from the Play Store first."
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exit 1
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fi
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echo "[INFO] Pulling APK splits..."
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while IFS= read -r line; do
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APK_PATH="${line#package:}"
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APK_NAME="$(basename "$APK_PATH")"
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echo " Pulling $APK_NAME..."
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adb pull "$APK_PATH" "$APK_DIR/$APK_NAME" 2>/dev/null
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done <<< "$PKG_PATHS"
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if [ ! -f "$APK_DIR/base.apk" ]; then
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echo "❌ Failed to pull base.apk"
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exit 1
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fi
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# --- Inject RMHook into APKs ---
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APK_DIR_INJECT="$APK_DIR"
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BUILD_DIR="$WORKDIR/build"
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OUTPUT_DIR="$WORKDIR/output"
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LIBS_DIR="$WORKDIR/libs"
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KEYSTORE="$WORKDIR/config/rmhook.keystore"
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KEYSTORE_PASS="rmhook"
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KEY_ALIAS="rmhook"
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ZIPALIGN="$BUILD_TOOLS/zipalign"
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APKSIGNER="$BUILD_TOOLS/apksigner"
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# Portable in-place sed (GNU vs BSD/macOS)
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sed_inplace() {
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if sed --version >/dev/null 2>&1; then
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sed -i "$@"
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else
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sed -i '' "$@"
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fi
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}
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echo ""
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echo "[INFO] Injecting RMHook into reMarkable APKs..."
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rm -rf "$OUTPUT_DIR"
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mkdir -p "$OUTPUT_DIR"
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rm -rf "$BUILD_DIR/base" "$BUILD_DIR/split_arm64" "$BUILD_DIR/split_xxhdpi"
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rm -f "$BUILD_DIR"/*.apk
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# --- Step 1: Decompile and patch base.apk (smali injection) ---
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echo "[1/4] Patching base.apk (smali injection)..."
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apktool d -r "$APK_DIR_INJECT/base.apk" -o "$BUILD_DIR/base" -f
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MAIN_SMALI="$BUILD_DIR/base/smali/com/remarkable/mobile/MainActivity.smali"
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if [ ! -f "$MAIN_SMALI" ]; then
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echo "❌ MainActivity.smali not found"
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exit 1
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fi
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sed_inplace '/.method static constructor <clinit>()V/{
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n
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/.locals/{
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a\
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\
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const-string v0, "rmhook"\
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\
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invoke-static {v0}, Ljava/lang/System;->loadLibrary(Ljava/lang/String;)V
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}
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}' "$MAIN_SMALI"
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if ! grep -q 'invoke-static {v0}, Ljava/lang/System;->loadLibrary' "$MAIN_SMALI"; then
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echo "❌ Failed to inject loadLibrary(\"rmhook\") into MainActivity.smali"
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exit 1
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fi
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echo "✅ Injected System.loadLibrary(\"rmhook\") into MainActivity.<clinit>"
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apktool b "$BUILD_DIR/base" -o "$BUILD_DIR/base_patched.apk"
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# --- Step 2: Inject libraries into arm64 split ---
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echo "[2/4] Injecting ShadowHook libraries into arm64 split..."
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SPLIT_ARM64="$APK_DIR_INJECT/split_config.arm64_v8a.apk"
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if [ ! -f "$SPLIT_ARM64" ]; then
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echo "❌ $SPLIT_ARM64 not found"
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exit 1
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fi
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mkdir -p "$BUILD_DIR/split_arm64"
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unzip -q "$SPLIT_ARM64" -d "$BUILD_DIR/split_arm64"
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cp "$BUILD_DIR/librmhook.so" "$BUILD_DIR/split_arm64/lib/arm64-v8a/"
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cp "$LIBS_DIR/libshadowhook_nothing.so" "$BUILD_DIR/split_arm64/lib/arm64-v8a/"
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rm -rf "$BUILD_DIR/split_arm64/META-INF"
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(cd "$BUILD_DIR/split_arm64" && zip -q -r -0 "$BUILD_DIR/split_arm64_raw.apk" .)
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# --- Step 3: Align APKs ---
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echo "[3/4] Aligning APKs..."
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"$ZIPALIGN" -p -f 4 "$BUILD_DIR/base_patched.apk" "$BUILD_DIR/base_aligned.apk"
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"$ZIPALIGN" -p -f 4 "$BUILD_DIR/split_arm64_raw.apk" "$BUILD_DIR/split_arm64_aligned.apk"
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SPLIT_XXHDPI="$APK_DIR_INJECT/split_config.xxhdpi.apk"
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if [ -f "$SPLIT_XXHDPI" ]; then
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mkdir -p "$BUILD_DIR/split_xxhdpi"
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unzip -q "$SPLIT_XXHDPI" -d "$BUILD_DIR/split_xxhdpi"
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rm -rf "$BUILD_DIR/split_xxhdpi/META-INF"
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(cd "$BUILD_DIR/split_xxhdpi" && zip -q -r -0 "$BUILD_DIR/split_xxhdpi_raw.apk" .)
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"$ZIPALIGN" -p -f 4 "$BUILD_DIR/split_xxhdpi_raw.apk" "$BUILD_DIR/split_xxhdpi_aligned.apk"
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fi
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# --- Step 4: Sign all APKs ---
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echo "[4/4] Signing APKs..."
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if [ ! -f "$KEYSTORE" ]; then
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mkdir -p "$(dirname "$KEYSTORE")"
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echo "🔑 Generating signing keystore..."
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keytool -genkeypair -v \
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-keystore "$KEYSTORE" \
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-alias "$KEY_ALIAS" \
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-keyalg RSA -keysize 2048 \
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-validity 10000 \
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-storepass "$KEYSTORE_PASS" \
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-keypass "$KEYSTORE_PASS" \
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-dname "CN=RMHook, OU=Dev, O=RMHook, L=Unknown, ST=Unknown, C=US" \
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2>/dev/null
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fi
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sign_apk() {
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local input="$1"
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local output="$2"
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"$APKSIGNER" sign \
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--ks "$KEYSTORE" \
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--ks-pass "pass:$KEYSTORE_PASS" \
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--ks-key-alias "$KEY_ALIAS" \
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--key-pass "pass:$KEYSTORE_PASS" \
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--out "$output" \
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"$input"
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}
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sign_apk "$BUILD_DIR/base_aligned.apk" "$OUTPUT_DIR/base.apk"
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sign_apk "$BUILD_DIR/split_arm64_aligned.apk" "$OUTPUT_DIR/split_config.arm64_v8a.apk"
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if [ -f "$BUILD_DIR/split_xxhdpi_aligned.apk" ]; then
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sign_apk "$BUILD_DIR/split_xxhdpi_aligned.apk" "$OUTPUT_DIR/split_config.xxhdpi.apk"
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fi
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echo "✅ Injection successful!"
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# --- Install ---
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echo "[INFO] Installing patched APKs..."
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adb uninstall com.remarkable.mobile 2>/dev/null || true
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adb install-multiple --no-streaming "$WORKDIR/output/base.apk" "$WORKDIR/output/split_config.arm64_v8a.apk" "$WORKDIR/output/split_config.xxhdpi.apk"
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echo ""
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echo "✅ Done! RMHook is installed on your reMarkable."
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echo ""
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echo "⚠️ WARNING: You MUST configure your rmfakecloud host and port!"
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echo " Without this, RMHook will not work."
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echo " To configure, create a file rmhook.conf with the following content (see rmhook.conf.example):"
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echo " host=example.com"
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echo " port=443"
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echo " Then push it to your device:"
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echo ""
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echo " adb push rmhook.conf /sdcard/Android/data/com.remarkable.mobile/files/rmhook.conf"
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echo ""
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echo "🔍 To debug:"
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echo " adb logcat -s 'RMHook:*'"
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