docs: Add instructions for building for Android

Author: Mauve Signweaver

README.md

@@ -0,0 +1,14 @@
+# Save-Rust
+
+Bindings to the save-dweb-backend for the Save Android app.
+
+## Requirements
+
+- Install the Android SDK and Android Platform 34 
+- Install android NDK on your system
+- Install Rust
+- `cargo install cargo-ndk`
+- Have `save-android` set up in the parent folder
+- Set up the `ANDROID_NDK_HOME` variable
+- `./build-android.sh`
+- You can now recompile the android app.

build-android.sh

@@ -8,7 +8,7 @@ mkdir -p $BUILD_DIR
 cd $BUILD_DIR
 
 # Create the jniLibs build directory
-JNI_DIR=$HOME/Projects/save-android/app/src/main/jniLibs
+JNI_DIR=../../save-android/app/src/main/jniLibs
 mkdir -p $JNI_DIR
 
 # Make sure we're on the latest all the time