feat(*): update to androidx and add mynteye jni

wrappers/android/mynteye/scripts/.gitignore

@@ -0,0 +1 @@
+/djinni-output-temp/

wrappers/android/mynteye/scripts/mynteye.djinni

@@ -0,0 +1,33 @@
+
+format = enum {
+  grey;
+  yuyv;
+  bgr888;
+  rgb888;
+}
+
+stream_request = record {
+  index: i32;
+  width: i32;
+  height: i32;
+  format: format;
+  fps: i32;
+}
+
+device_usb_info = record {
+  index: i32;
+  name: string;
+  sn: string;
+}
+
+device = interface +c {
+  static query(): list<device_usb_info>;
+
+  static create(info: device_usb_info): device;
+
+  get_stream_requests(): list<stream_request>;
+  config_stream_request(request: stream_request);
+
+  start();
+  stop();
+}

wrappers/android/mynteye/scripts/run_djinni.sh

@@ -0,0 +1,83 @@
+#! /usr/bin/env bash
+set -e
+shopt -s nullglob
+
+base_dir=$(cd "$(dirname "$0")" && pwd)
+
+# options
+
+while getopts "d:i:" opt; do
+  case "$opt" in
+    d) djinni_dir="$OPTARG" ;;
+    i) in_idl="$OPTARG" ;;
+    ?) echo "Usage: $0 <-d DJINNI_DIR> [-i IN_IDL]"
+       exit 2 ;;
+  esac
+done
+
+if [ -z "$djinni_dir" ]; then
+  echo "<-d DJINNI_DIR> option is required" 1>&2
+  exit 2
+fi
+
+[ -n "$in_idl" ] || in_idl="$base_dir/mynteye.djinni"
+
+# generate
+
+djinni_run="$djinni_dir/src/run-assume-built"
+if [ ! -x "$djinni_run" ]; then
+  echo "djinni run file not found: $djinni_run" 1>&2
+  exit 2
+fi
+
+temp_out="$base_dir/djinni-output-temp"
+
+java_package="com.slightech.mynteye"
+cpp_namespace="mynteye_jni"
+
+[ ! -e "$temp_out" ] || rm -r "$temp_out"
+"$djinni_run" \
+--java-out "$temp_out/java" \
+--java-package "$java_package" \
+--java-class-access-modifier "public" \
+--java-generate-interfaces true \
+--java-nullable-annotation "androidx.annotation.Nullable" \
+--java-nonnull-annotation "androidx.annotation.NonNull" \
+--ident-java-field mFooBar \
+\
+--cpp-out "$temp_out/cpp" \
+--cpp-namespace "$cpp_namespace" \
+--ident-cpp-enum-type FooBar \
+--ident-cpp-method FooBar \
+\
+--jni-out "$temp_out/jni" \
+--ident-jni-class NativeFooBar \
+--ident-jni-file NativeFooBar \
+\
+--idl "$in_idl"
+
+# copy
+
+mirror() {
+  local prefix="$1" ; shift
+  local src="$1" ; shift
+  local dest="$1" ; shift
+  mkdir -p "$dest"
+  rsync -r --delete --checksum --itemize-changes "$src"/ "$dest" | sed "s/^/[$prefix]/"
+}
+
+dst_dir="$base_dir/../libmynteye/src/main"
+cpp_out="$dst_dir/cpp/mynteye/cpp"
+jni_out="$dst_dir/cpp/mynteye/jni"
+java_out="$dst_dir/java/com/slightech/mynteye"
+
+gen_stamp="$temp_out/gen.stamp"
+
+echo "Copying generated code to final directories..."
+mirror "cpp" "$temp_out/cpp" "$cpp_out"
+mirror "jni" "$temp_out/jni" "$jni_out"
+mirror "java" "$temp_out/java" "$java_out"
+
+date > "$gen_stamp"
+
+echo "djinni completed."