diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 915b88e..b9a9b97 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -26,6 +26,17 @@ jobs:
 
       - name: Checkout sources
         uses: actions/checkout@v2
+        
+      - name: Cache Cargo
+        id: cache-Cargo
+        uses: actions/cache@v2
+        with:
+          path: |
+            ~/.cargo/registry
+            ~/.cargo/git
+            ~/.cargo/bin
+            target
+          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
 
       - name: Install Rust Toolchain
         uses: actions-rs/toolchain@v1
@@ -34,16 +45,12 @@ jobs:
           toolchain: stable
           override: true
           components: rustfmt
-
-      - name: Cache Cargo
+          
+      - name: Cache Cargo Make
         uses: actions/cache@v2
         with:
-          path: |
-            ~/.cargo/registry
-            ~/.cargo/git
-            ~/.cargo/bin
-            target
-          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
+          path: ~/.cargo/bin/
+          key: ${{ runner.os }}-cargo-plugins
 
       - name: Install Cargo Make
         uses: actions-rs/cargo@v1
@@ -58,8 +65,9 @@ jobs:
           channel: 'stable'
 
       - name: Run Flutter pub get
-        run: flutter pub get
-
+        run: |
+            flutter pub get
+            echo "$FLUTTER_HOME/bin" >> $GITHUB_PATH
       - name: Set up JDK 1.8 (Android only)
         uses: actions/setup-java@v1
         if: matrix.os == 'ubuntu-latest'
@@ -90,13 +98,13 @@ jobs:
         if: matrix.os == 'ubuntu-latest'
         run: rustup target add aarch64-linux-android armv7-linux-androideabi x86_64-linux-android i686-linux-android
 
-      - name: Run cargo make android
+      - name: Run cargo make ffigen
         if: matrix.os == 'ubuntu-latest'
         uses: actions-rs/cargo@v1
         continue-on-error: false
         with:
           command: make
-          args: android
+          args: ffigen
 
       - name: Build APK (Fat, Debug)
         if: matrix.os == 'ubuntu-latest'
@@ -106,41 +114,14 @@ jobs:
         if: matrix.os == 'macos-latest'
         run: rustup target add aarch64-apple-ios x86_64-apple-ios
 
-      - name: Run cargo make ios
+      - name: Run cargo make ffigen-ios
         if: matrix.os == 'macos-latest'
         uses: actions-rs/cargo@v1
         continue-on-error: false
         with:
           command: make
-          args: ios
+          args: ffigen-ios
 
       - name: Build iOS App (Simulator, Debug)
         if: matrix.os == 'macos-latest'
-        run: flutter build ios --debug --no-codesign --simulator --no-sound-null-safety
-
-      - name: Create Release (Android)
-        id: create_release
-        if: matrix.os == 'ubuntu-latest'
-        uses: ChanTsune/release-with-commit@v2.1.0
-        with:
-          regexp: "Release (\\d+([.]\\d+)*)\n*((\\s|\\S)+)"
-          regexp_options: 'us'
-          release_name: 'version $1'
-          tag_name: 'v$1'
-          body: '$3'
-          draft: false
-          prerelease: false
-        env:
-          GITHUB_TOKEN: '${{secrets.GITHUB_TOKEN}}'
-
-      - name: Upload Release (Android)
-        id: upload-release-asset
-        if: matrix.os == 'ubuntu-latest' && steps.create_release.outputs.created == 'true'
-        uses: actions/upload-release-asset@v1
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-        with:
-          upload_url: ${{ steps.create_release.outputs.upload_url }}
-          asset_path: ./build/app/outputs/flutter-apk/app-debug.apk
-          asset_name: apk-debug.apk
-          asset_content_type: application/octet-stream
+        run: flutter build ios --debug --no-codesign --simulator --no-sound-null-safety
\ No newline at end of file
diff --git a/Cargo.lock b/Cargo.lock
index e6bfaaf..9977a31 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1,5 +1,7 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
+version = 3
+
 [[package]]
 name = "adder"
 version = "0.1.0"
@@ -8,1286 +10,1225 @@ version = "0.1.0"
 name = "adder-ffi"
 version = "0.1.0"
 dependencies = [
- "adder 0.1.0",
- "cbindgen 0.14.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "dart-bindgen 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "adder",
+ "cbindgen",
 ]
 
 [[package]]
 name = "addr2line"
 version = "0.12.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a49806b9dadc843c61e7c97e72490ad7f7220ae249012fbda9ad0609457c0543"
 dependencies = [
- "gimli 0.21.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "gimli",
 ]
 
 [[package]]
 name = "allo-isolate"
 version = "0.1.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "eea2c1a4b084f8eb5c41d89b498cb67f300d065870773bdadf5fa45fef4e97dd"
 
 [[package]]
 name = "ansi_term"
 version = "0.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ee49baf6cb617b853aa8d93bf420db2383fab46d314482ca2803b40d5fde979b"
 dependencies = [
- "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.8",
 ]
 
 [[package]]
 name = "atty"
 version = "0.2.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d9b39be18770d11421cdb1b9947a45dd3f37e93092cbf377614828a319d5fee8"
 dependencies = [
- "hermit-abi 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.69 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hermit-abi",
+ "libc",
+ "winapi 0.3.8",
 ]
 
 [[package]]
 name = "autocfg"
 version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f8aac770f1885fd7e387acedd76065302551364496e46b3dd00860b2f8359b9d"
 
 [[package]]
 name = "backtrace"
 version = "0.3.48"
 source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0df2f85c8a2abbe3b7d7e748052fdd9b76a0458fdeb16ad4223f5eca78c7c130"
 dependencies = [
- "addr2line 0.12.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.69 (registry+https://github.com/rust-lang/crates.io-index)",
- "object 0.19.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "rustc-demangle 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
+ "addr2line",
+ "cfg-if",
+ "libc",
+ "object",
+ "rustc-demangle",
 ]
 
 [[package]]
 name = "base64"
 version = "0.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b41b7ea54a0c9d92199de89e20e58d49f02f8e699814ef3fdf266f6f748d15c7"
 
 [[package]]
 name = "base64"
 version = "0.12.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "53d1ccbaf7d9ec9537465a97bf19edc1a4e158ecb49fc16178202238c569cc42"
 
 [[package]]
 name = "bitflags"
 version = "1.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cf1de2fe8c75bc145a2f577add951f8134889b4795d47466a54a5c846d691693"
 
 [[package]]
 name = "bumpalo"
 version = "3.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5356f1d23ee24a1f785a56d1d1a5f0fd5b0f6a0c0fb2412ce11da71649ab78f6"
 
 [[package]]
 name = "bytes"
 version = "0.5.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "130aac562c0dd69c56b3b1cc8ffd2e17be31d0b6c25b61c96b76231aa23e39e1"
 
 [[package]]
 name = "cbindgen"
 version = "0.14.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e6e03a705df2e735cc5486f104a48e25a8f72ae06eaea5b7753a81270ed00859"
 dependencies = [
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- "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
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- "tempfile 3.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "toml 0.5.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "clap",
+ "heck",
+ "log",
+ "proc-macro2",
+ "quote",
+ "serde",
+ "serde_json",
+ "syn",
+ "tempfile",
+ "toml",
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 [[package]]
 name = "cc"
 version = "1.0.54"
 source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7bbb73db36c1246e9034e307d0fba23f9a2e251faa47ade70c1bd252220c8311"
 
 [[package]]
 name = "cfg-if"
 version = "0.1.10"
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-
-[[package]]
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- "libc 0.2.69 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
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-source = "registry+https://github.com/rust-lang/crates.io-index"
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- "libc 0.2.69 (registry+https://github.com/rust-lang/crates.io-index)",
-]
+checksum = "4785bdd1c96b2a846b2bd7cc02e86b6b3dbf14e7e53446c4f54c92a361040822"
 
 [[package]]
 name = "clap"
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 source = "registry+https://github.com/rust-lang/crates.io-index"
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-
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-source = "registry+https://github.com/rust-lang/crates.io-index"
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- "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "thiserror 1.0.20 (registry+https://github.com/rust-lang/crates.io-index)",
+ "ansi_term",
+ "atty",
+ "bitflags",
+ "strsim",
+ "textwrap",
+ "unicode-width",
+ "vec_map",
 ]
 
 [[package]]
 name = "dtoa"
 version = "0.4.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
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 name = "encoding_rs"
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 dependencies = [
- "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cfg-if",
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 [[package]]
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 source = "registry+https://github.com/rust-lang/crates.io-index"
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+ "failure_derive",
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- "syn 1.0.18 (registry+https://github.com/rust-lang/crates.io-index)",
- "synstructure 0.12.3 (registry+https://github.com/rust-lang/crates.io-index)",
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+ "syn",
+ "synstructure",
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 source = "registry+https://github.com/rust-lang/crates.io-index"
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 dependencies = [
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- "failure_derive 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.69 (registry+https://github.com/rust-lang/crates.io-index)",
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- "fuchsia-zircon-sys 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
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+ "fuchsia-zircon-sys",
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 source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f366ad74c28cca6ba456d95e6422883cfb4b252a83bed929c83abfdbbf2967d5"
 dependencies = [
- "futures-core 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
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 [[package]]
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+checksum = "59f5fff90fd5d971f936ad674802482ba441b6f09ba5e15fd8b39145582ca399"
 
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- "quote 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 1.0.18 (registry+https://github.com/rust-lang/crates.io-index)",
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 [[package]]
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+checksum = "8764574ff08b701a084482c3c7031349104b07ac897393010494beaa18ce32c6"
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- "slab 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-core",
+ "futures-macro",
+ "futures-task",
+ "pin-project",
+ "pin-utils",
+ "proc-macro-hack",
+ "proc-macro-nested",
+ "slab",
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 [[package]]
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- "wasi 0.9.0+wasi-snapshot-preview1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cfg-if",
+ "libc",
+ "wasi",
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 [[package]]
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 source = "registry+https://github.com/rust-lang/crates.io-index"
-
-[[package]]
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-version = "0.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bcc8e0c9bce37868955864dbecd2b1ab2bdf967e6f28066d65aaac620444b65c"
 
 [[package]]
 name = "h2"
 version = "0.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "79b7246d7e4b979c03fa093da39cfb3617a96bbeee6310af63991668d7e843ff"
 dependencies = [
- "bytes 0.5.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "fnv 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)",
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- "futures-util 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "http 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "indexmap 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "slab 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio 0.2.21 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-util 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bytes",
+ "fnv",
+ "futures-core",
+ "futures-sink",
+ "futures-util",
+ "http",
+ "indexmap",
+ "log",
+ "slab",
+ "tokio",
+ "tokio-util",
 ]
 
 [[package]]
 name = "heck"
 version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "20564e78d53d2bb135c343b3f47714a56af2061f1c928fdb541dc7b9fdd94205"
 dependencies = [
- "unicode-segmentation 1.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "unicode-segmentation",
 ]
 
 [[package]]
 name = "hermit-abi"
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-"checksum winapi-i686-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
-"checksum winapi-x86_64-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
-"checksum winreg 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "0120db82e8a1e0b9fb3345a539c478767c0048d842860994d96113d5b667bd69"
-"checksum ws2_32-sys 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "d59cefebd0c892fa2dd6de581e937301d8552cb44489cdff035c6187cb63fa5e"
+ "winapi 0.2.8",
+ "winapi-build",
+]
diff --git a/Makefile.toml b/Makefile.toml
index 60c2430..7b94e75 100644
--- a/Makefile.toml
+++ b/Makefile.toml
@@ -43,12 +43,51 @@ dependencies = [
 [tasks.build]
 description = "Runs the rust compiler."
 category = "Build"
+dependencies = ["android", "copy-headers", "ffigen"]
+
+[tasks.copy-headers]
+script_runner = "@duckscript"
+script = [
+    """
+    cp ${CARGO_MAKE_WORKSPACE_WORKING_DIRECTORY}/native/${CARGO_MAKE_CRATE_CURRENT_WORKSPACE_MEMBER}/binding.h \
+    ${CARGO_MAKE_WORKSPACE_WORKING_DIRECTORY}/packages/${CARGO_MAKE_CRATE_FS_NAME}/binding.h
+    """,
+]
 dependencies = ["android"]
 
+[tasks.copy-headers-ios]
+script_runner = "@duckscript"
+script = [
+    """
+    cp ${CARGO_MAKE_WORKSPACE_WORKING_DIRECTORY}/native/${CARGO_MAKE_CRATE_CURRENT_WORKSPACE_MEMBER}/binding.h \
+    ${CARGO_MAKE_WORKSPACE_WORKING_DIRECTORY}/packages/${CARGO_MAKE_CRATE_FS_NAME}/binding.h
+    """,
+]
+dependencies = ["ios"]
+
+[tasks.ffigen]
+script = [
+    """
+    cd ${CARGO_MAKE_WORKSPACE_WORKING_DIRECTORY}/packages/${CARGO_MAKE_CRATE_FS_NAME}
+    dart run ffigen
+    """,
+]
+dependencies = ["copy-headers"]
+
+[tasks.ffigen-ios]
+script = [
+    """
+    cd ${CARGO_MAKE_WORKSPACE_WORKING_DIRECTORY}/packages/${CARGO_MAKE_CRATE_FS_NAME}
+    dart run ffigen
+    """,
+]
+dependencies = ["copy-headers-ios"]
+
+
 [tasks.build.mac]
 description = "Runs the rust compiler."
 category = "Build"
-dependencies = ["android", "ios"]
+dependencies = ["android", "ios", "copy-headers", "ffigen"]
 
 [tasks.ios]
 description = "build iOS targets"
diff --git a/native/adder-ffi/Cargo.toml b/native/adder-ffi/Cargo.toml
index 52aad59..121d993 100644
--- a/native/adder-ffi/Cargo.toml
+++ b/native/adder-ffi/Cargo.toml
@@ -12,5 +12,4 @@ crate-type = ["rlib"]
 adder = { path = "../adder" }
 
 [build-dependencies]
-cbindgen = "0.14.3"
-dart-bindgen = "0.1.7"
\ No newline at end of file
+cbindgen = "0.14.3"
\ No newline at end of file
diff --git a/native/adder-ffi/build.rs b/native/adder-ffi/build.rs
index 36f1ce7..5905c9c 100644
--- a/native/adder-ffi/build.rs
+++ b/native/adder-ffi/build.rs
@@ -1,4 +1,3 @@
-use dart_bindgen::{config::*, Codegen};
 fn main() {
     let crate_dir = std::env::var("CARGO_MANIFEST_DIR").unwrap();
     let config = cbindgen::Config {
@@ -11,24 +10,4 @@ fn main() {
         .generate()
         .expect("Unable to generate bindings")
         .write_to_file("binding.h");
-
-    let config = DynamicLibraryConfig {
-        ios: DynamicLibraryCreationMode::Executable.into(),
-        android: DynamicLibraryCreationMode::open("libadder_ffi.so").into(),
-        ..Default::default()
-    };
-    // load the c header file, with config and lib name
-    let codegen = Codegen::builder()
-        .with_src_header("binding.h")
-        .with_lib_name("libaddr")
-        .with_config(config)
-        .build()
-        .unwrap();
-    // generate the dart code and get the bindings back
-    let bindings = codegen.generate().unwrap();
-    // write the bindings to your dart package
-    // and start using it to write your own high level abstraction.
-    bindings
-        .write_to_file("../../packages/adder_ffi/lib/ffi.dart")
-        .unwrap();
 }
diff --git a/native/scrap-ffi/Cargo.toml b/native/scrap-ffi/Cargo.toml
index 3e7552d..ec9a352 100644
--- a/native/scrap-ffi/Cargo.toml
+++ b/native/scrap-ffi/Cargo.toml
@@ -17,4 +17,3 @@ lazy_static = "1.4"
 
 [build-dependencies]
 cbindgen = "0.14.3"
-dart-bindgen = "0.1.7"
\ No newline at end of file
diff --git a/native/scrap-ffi/binding.h b/native/scrap-ffi/binding.h
deleted file mode 100644
index 6f946a8..0000000
--- a/native/scrap-ffi/binding.h
+++ /dev/null
@@ -1,18 +0,0 @@
-#include <stdarg.h>
-#include <stdbool.h>
-#include <stdint.h>
-#include <stdlib.h>
-
-#ifdef __cplusplus
-extern "C" {
-#endif // __cplusplus
-
-int32_t error_message_utf8(char *buf, int32_t length);
-
-int32_t last_error_length(void);
-
-int32_t load_page(int64_t port, const char *url);
-
-#ifdef __cplusplus
-} // extern "C"
-#endif // __cplusplus
diff --git a/native/scrap-ffi/build.rs b/native/scrap-ffi/build.rs
index f3f8cb6..fe0797e 100644
--- a/native/scrap-ffi/build.rs
+++ b/native/scrap-ffi/build.rs
@@ -1,9 +1,16 @@
-use dart_bindgen::{config::*, Codegen};
-
 fn main() {
     let crate_dir = std::env::var("CARGO_MANIFEST_DIR").unwrap();
+
+    let parse_config = cbindgen::ParseConfig {
+        parse_deps: true,
+        include: Some(vec!["allo-isolate".into()]),
+        extra_bindings: vec!["allo-isolate".into()],
+        ..Default::default()
+    };
+
     let mut config = cbindgen::Config {
         language: cbindgen::Language::C,
+        parse: parse_config,
         ..Default::default()
     };
     config.braces = cbindgen::Braces::SameLine;
@@ -15,24 +22,4 @@ fn main() {
         .generate()
         .expect("Unable to generate bindings")
         .write_to_file("binding.h");
-    let config = DynamicLibraryConfig {
-        ios: DynamicLibraryCreationMode::Executable.into(),
-        android: DynamicLibraryCreationMode::open("libscrap_ffi.so").into(),
-        ..Default::default()
-    };
-    // load the c header file, with config and lib name
-    let codegen = Codegen::builder()
-        .with_src_header("binding.h")
-        .with_lib_name("libscrap")
-        .with_config(config)
-        .with_allo_isolate()
-        .build()
-        .unwrap();
-    // generate the dart code and get the bindings back
-    let bindings = codegen.generate().unwrap();
-    // write the bindings to your dart package
-    // and start using it to write your own high level abstraction.
-    bindings
-        .write_to_file("../../packages/scrap_ffi/lib/ffi.dart")
-        .unwrap();
 }
diff --git a/packages/adder_ffi/lib/adder.dart b/packages/adder_ffi/lib/adder.dart
index 28e3dc4..58e8e2a 100644
--- a/packages/adder_ffi/lib/adder.dart
+++ b/packages/adder_ffi/lib/adder.dart
@@ -1,7 +1,13 @@
-import 'ffi.dart' as ffi;
+import 'dart:ffi';
+import 'dart:io' show Platform;
+import 'binding.dart' as binding;
+
+final adder = binding.NativeLibrary(Platform.isAndroid
+    ? DynamicLibrary.open("libadder_ffi.so")
+    : DynamicLibrary.executable());
 
 class Adder {
   int add(int a, int b) {
-    return ffi.add(a, b);
+    return adder.add(a, b);
   }
 }
diff --git a/packages/adder_ffi/pubspec.lock b/packages/adder_ffi/pubspec.lock
index a7c15e7..13d875d 100644
--- a/packages/adder_ffi/pubspec.lock
+++ b/packages/adder_ffi/pubspec.lock
@@ -1,69 +1,90 @@
 # Generated by pub
 # See https://dart.dev/tools/pub/glossary#lockfile
 packages:
-  archive:
-    dependency: transitive
-    description:
-      name: archive
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "2.0.13"
   args:
     dependency: transitive
     description:
       name: args
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.6.0"
+    version: "2.0.0"
   async:
     dependency: transitive
     description:
       name: async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.4.1"
+    version: "2.5.0"
   boolean_selector:
     dependency: transitive
     description:
       name: boolean_selector
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.0"
+    version: "2.1.0"
+  characters:
+    dependency: transitive
+    description:
+      name: characters
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.1.0"
   charcode:
     dependency: transitive
     description:
       name: charcode
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.3"
-  collection:
+    version: "1.2.0"
+  cli_util:
     dependency: transitive
     description:
-      name: collection
+      name: cli_util
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.14.12"
-  convert:
+    version: "0.3.0"
+  clock:
+    dependency: transitive
+    description:
+      name: clock
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.1.0"
+  collection:
     dependency: transitive
     description:
-      name: convert
+      name: collection
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.1"
-  crypto:
+    version: "1.15.0"
+  fake_async:
     dependency: transitive
     description:
-      name: crypto
+      name: fake_async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.4"
+    version: "1.2.0"
   ffi:
     dependency: "direct main"
     description:
       name: ffi
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.1.3"
+    version: "1.0.0"
+  ffigen:
+    dependency: "direct dev"
+    description:
+      name: ffigen
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.4.0"
+  file:
+    dependency: transitive
+    description:
+      name: file
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "6.1.0"
   flutter:
     dependency: "direct main"
     description: flutter
@@ -74,48 +95,55 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
-  image:
+  glob:
     dependency: transitive
     description:
-      name: image
+      name: glob
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.12"
+    version: "2.0.0"
+  logging:
+    dependency: transitive
+    description:
+      name: logging
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.0"
   matcher:
     dependency: transitive
     description:
       name: matcher
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.12.6"
+    version: "0.12.10"
   meta:
     dependency: transitive
     description:
       name: meta
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.8"
+    version: "1.3.0"
   path:
     dependency: transitive
     description:
       name: path
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.6.4"
-  petitparser:
+    version: "1.8.0"
+  pedantic:
     dependency: transitive
     description:
-      name: petitparser
+      name: pedantic
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.4.0"
+    version: "1.11.0"
   quiver:
     dependency: transitive
     description:
       name: quiver
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.3"
+    version: "3.0.0"
   sky_engine:
     dependency: transitive
     description: flutter
@@ -127,62 +155,62 @@ packages:
       name: source_span
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.7.0"
+    version: "1.8.1"
   stack_trace:
     dependency: transitive
     description:
       name: stack_trace
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.9.3"
+    version: "1.10.0"
   stream_channel:
     dependency: transitive
     description:
       name: stream_channel
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.0"
+    version: "2.1.0"
   string_scanner:
     dependency: transitive
     description:
       name: string_scanner
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.5"
+    version: "1.1.0"
   term_glyph:
     dependency: transitive
     description:
       name: term_glyph
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0"
+    version: "1.2.0"
   test_api:
     dependency: transitive
     description:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.2.15"
+    version: "0.2.19"
   typed_data:
     dependency: transitive
     description:
       name: typed_data
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.6"
+    version: "1.3.0"
   vector_math:
     dependency: transitive
     description:
       name: vector_math
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.8"
-  xml:
+    version: "2.1.0"
+  yaml:
     dependency: transitive
     description:
-      name: xml
+      name: yaml
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "3.6.1"
+    version: "3.1.0"
 sdks:
-  dart: ">=2.6.0 <3.0.0"
+  dart: ">=2.12.0 <3.0.0"
diff --git a/packages/adder_ffi/pubspec.yaml b/packages/adder_ffi/pubspec.yaml
index 7dd5df7..14ac46d 100644
--- a/packages/adder_ffi/pubspec.yaml
+++ b/packages/adder_ffi/pubspec.yaml
@@ -14,6 +14,19 @@ dependencies:
 dev_dependencies:
   flutter_test:
     sdk: flutter
+  ffigen: ^2.4.0
+
+ffigen:
+    output: 'lib/binding.dart'
+    headers:
+      entry-points:
+        - 'binding.h'
+    llvm-path: 
+      - '/usr/lib'
+      - '/home/misha/Desktop/llvm/lib/'
+      - '/home/misha/Desktop/llvm/bin/'
+      - '/home/misha/Desktop/llvm/'
+      - '/home/misha/Desktop/llvm/lib/clang/11.0.1/lib/linux/'
 
 flutter:
   plugin:
diff --git a/packages/scrap_ffi/lib/ffi.dart b/packages/scrap_ffi/lib/ffi.dart
deleted file mode 100644
index aecb750..0000000
--- a/packages/scrap_ffi/lib/ffi.dart
+++ /dev/null
@@ -1,71 +0,0 @@
-/// bindings for `libscrap`
-
-import 'dart:ffi';
-import 'dart:io';
-import 'package:ffi/ffi.dart' as ffi;
-
-// ignore_for_file: unused_import, camel_case_types, non_constant_identifier_names
-final DynamicLibrary _dl = _open();
-/// Reference to the Dynamic Library, it should be only used for low-level access
-final DynamicLibrary dl = _dl;
-DynamicLibrary _open() {
-  if (Platform.isAndroid) return DynamicLibrary.open('libscrap_ffi.so');
-  if (Platform.isIOS) return DynamicLibrary.executable();
-  throw UnsupportedError('This platform is not supported.');
-}
-
-/// C function `error_message_utf8`.
-int error_message_utf8(
-  Pointer<ffi.Utf8> buf,
-  int length,
-) {
-  return _error_message_utf8(buf, length);
-}
-final _error_message_utf8_Dart _error_message_utf8 = _dl.lookupFunction<_error_message_utf8_C, _error_message_utf8_Dart>('error_message_utf8');
-typedef _error_message_utf8_C = Int32 Function(
-  Pointer<ffi.Utf8> buf,
-  Int32 length,
-);
-typedef _error_message_utf8_Dart = int Function(
-  Pointer<ffi.Utf8> buf,
-  int length,
-);
-
-/// C function `last_error_length`.
-int last_error_length() {
-  return _last_error_length();
-}
-final _last_error_length_Dart _last_error_length = _dl.lookupFunction<_last_error_length_C, _last_error_length_Dart>('last_error_length');
-typedef _last_error_length_C = Int32 Function();
-typedef _last_error_length_Dart = int Function();
-
-/// C function `load_page`.
-int load_page(
-  int port,
-  Pointer<ffi.Utf8> url,
-) {
-  return _load_page(port, url);
-}
-final _load_page_Dart _load_page = _dl.lookupFunction<_load_page_C, _load_page_Dart>('load_page');
-typedef _load_page_C = Int32 Function(
-  Int64 port,
-  Pointer<ffi.Utf8> url,
-);
-typedef _load_page_Dart = int Function(
-  int port,
-  Pointer<ffi.Utf8> url,
-);
-
-/// Binding to `allo-isolate` crate
-void store_dart_post_cobject(
-  Pointer<NativeFunction<Int8 Function(Int64, Pointer<Dart_CObject>)>> ptr,
-) {
-  _store_dart_post_cobject(ptr);
-}
-final _store_dart_post_cobject_Dart _store_dart_post_cobject = _dl.lookupFunction<_store_dart_post_cobject_C, _store_dart_post_cobject_Dart>('store_dart_post_cobject');
-typedef _store_dart_post_cobject_C = Void Function(
-  Pointer<NativeFunction<Int8 Function(Int64, Pointer<Dart_CObject>)>> ptr,
-);
-typedef _store_dart_post_cobject_Dart = void Function(
-  Pointer<NativeFunction<Int8 Function(Int64, Pointer<Dart_CObject>)>> ptr,
-);
diff --git a/packages/scrap_ffi/lib/scrap.dart b/packages/scrap_ffi/lib/scrap.dart
index e512d05..15e1008 100644
--- a/packages/scrap_ffi/lib/scrap.dart
+++ b/packages/scrap_ffi/lib/scrap.dart
@@ -1,21 +1,26 @@
 import 'dart:async';
+import 'dart:io';
 import 'dart:ffi';
 import 'package:ffi/ffi.dart';
-import 'package:isolate/ports.dart';
+import 'package:flutter/services.dart';
+import 'binding.dart' as binding;
+import 'package:isolate/isolate.dart';
 
-import 'ffi.dart' as native;
+final scrap = binding.NativeLibrary(Platform.isAndroid | Platform.isLinux
+    ? DynamicLibrary.open("libscrap_ffi.so")
+    : DynamicLibrary.process());
 
 class Scrap {
   static setup() {
-    native.store_dart_post_cobject(NativeApi.postCObject);
+    scrap.store_dart_post_cobject(NativeApi.postCObject.address);
     print("Scrap Setup Done");
   }
 
   Future<String> loadPage(String url) {
-    var urlPointer = url.toNativeUtf8();
+    var urlPointer = url.toNativeUtf8().cast<Int8>();
     final completer = Completer<String>();
     final sendPort = singleCompletePort(completer);
-    final res = native.load_page(
+    final res = scrap.load_page(
       sendPort.nativePort,
       urlPointer,
     );
@@ -26,10 +31,10 @@ class Scrap {
   }
 
   void _throwError() {
-    final length = native.last_error_length();
-    final Pointer<Utf8> message = calloc.allocate(length);
-    native.error_message_utf8(message, length);
-    final error = message.toDartString();
+    final length = scrap.last_error_length();
+    final Pointer<Int8> message = calloc.allocate(length);
+    scrap.error_message_utf8(message, length);
+    final error = message.cast<Utf8>().toDartString();
     print(error);
     throw error;
   }
diff --git a/packages/scrap_ffi/pubspec.lock b/packages/scrap_ffi/pubspec.lock
index fef5a3e..63b0e17 100644
--- a/packages/scrap_ffi/pubspec.lock
+++ b/packages/scrap_ffi/pubspec.lock
@@ -1,69 +1,90 @@
 # Generated by pub
 # See https://dart.dev/tools/pub/glossary#lockfile
 packages:
-  archive:
-    dependency: transitive
-    description:
-      name: archive
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "2.0.13"
   args:
     dependency: transitive
     description:
       name: args
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.6.0"
+    version: "2.0.0"
   async:
     dependency: transitive
     description:
       name: async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.4.1"
+    version: "2.5.0"
   boolean_selector:
     dependency: transitive
     description:
       name: boolean_selector
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.0"
+    version: "2.1.0"
+  characters:
+    dependency: transitive
+    description:
+      name: characters
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.1.0"
   charcode:
     dependency: transitive
     description:
       name: charcode
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.3"
-  collection:
+    version: "1.2.0"
+  cli_util:
     dependency: transitive
     description:
-      name: collection
+      name: cli_util
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.14.12"
-  convert:
+    version: "0.3.0"
+  clock:
+    dependency: transitive
+    description:
+      name: clock
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.1.0"
+  collection:
     dependency: transitive
     description:
-      name: convert
+      name: collection
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.1"
-  crypto:
+    version: "1.15.0"
+  fake_async:
     dependency: transitive
     description:
-      name: crypto
+      name: fake_async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.4"
+    version: "1.2.0"
   ffi:
     dependency: "direct main"
     description:
       name: ffi
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.1.3"
+    version: "1.0.0"
+  ffigen:
+    dependency: "direct dev"
+    description:
+      name: ffigen
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.4.0"
+  file:
+    dependency: transitive
+    description:
+      name: file
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "6.1.0"
   flutter:
     dependency: "direct main"
     description: flutter
@@ -74,13 +95,13 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
-  image:
+  glob:
     dependency: transitive
     description:
-      name: image
+      name: glob
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.12"
+    version: "2.0.0"
   isolate:
     dependency: "direct main"
     description:
@@ -88,41 +109,48 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.0.3"
+  logging:
+    dependency: transitive
+    description:
+      name: logging
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.0"
   matcher:
     dependency: transitive
     description:
       name: matcher
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.12.6"
+    version: "0.12.10"
   meta:
     dependency: transitive
     description:
       name: meta
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.8"
+    version: "1.3.0"
   path:
     dependency: transitive
     description:
       name: path
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.6.4"
-  petitparser:
+    version: "1.8.0"
+  pedantic:
     dependency: transitive
     description:
-      name: petitparser
+      name: pedantic
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.4.0"
+    version: "1.11.0"
   quiver:
     dependency: transitive
     description:
       name: quiver
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.3"
+    version: "3.0.0"
   sky_engine:
     dependency: transitive
     description: flutter
@@ -134,63 +162,63 @@ packages:
       name: source_span
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.7.0"
+    version: "1.8.1"
   stack_trace:
     dependency: transitive
     description:
       name: stack_trace
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.9.3"
+    version: "1.10.0"
   stream_channel:
     dependency: transitive
     description:
       name: stream_channel
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.0"
+    version: "2.1.0"
   string_scanner:
     dependency: transitive
     description:
       name: string_scanner
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.5"
+    version: "1.1.0"
   term_glyph:
     dependency: transitive
     description:
       name: term_glyph
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0"
+    version: "1.2.0"
   test_api:
     dependency: transitive
     description:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.2.15"
+    version: "0.2.19"
   typed_data:
     dependency: transitive
     description:
       name: typed_data
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.6"
+    version: "1.3.0"
   vector_math:
     dependency: transitive
     description:
       name: vector_math
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.8"
-  xml:
+    version: "2.1.0"
+  yaml:
     dependency: transitive
     description:
-      name: xml
+      name: yaml
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "3.6.1"
+    version: "3.1.0"
 sdks:
-  dart: ">=2.7.0 <3.0.0"
+  dart: ">=2.12.0 <3.0.0"
   flutter: ">=1.10.0"
diff --git a/packages/scrap_ffi/pubspec.yaml b/packages/scrap_ffi/pubspec.yaml
index a34a6a6..0e53ab7 100644
--- a/packages/scrap_ffi/pubspec.yaml
+++ b/packages/scrap_ffi/pubspec.yaml
@@ -17,6 +17,20 @@ dependencies:
 dev_dependencies:
   flutter_test:
     sdk: flutter
+  ffigen: ^2.4.0
+
+ffigen:
+    output: 'lib/binding.dart'
+    headers:
+      entry-points:
+        - 'binding.h'
+    llvm-path: 
+      - '/usr/lib'
+      - '/home/misha/Desktop/llvm/lib/'
+      - '/home/misha/Desktop/llvm/bin/'
+      - '/home/misha/Desktop/llvm/'
+      - '/home/misha/Desktop/llvm/lib/clang/11.0.1/lib/linux/'
+
 
 flutter:
   plugin: