jni方法签名不对的问题

mediapipe/render/android/camera/java/com/quark/quamera/BUILD

@@ -0,0 +1,38 @@
+# Copyright 2019 The MediaPipe Authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+licenses(["notice"])
+
+exports_files([
+    "proguard.pgcfg",
+])
+
+android_library(
+    name = "camera_framework",
+    proguard_specs = [":proguard.pgcfg"],
+    visibility = ["//visibility:public"],    
+    exports = [
+        ":camera_core",
+    ],
+)
+
+android_library(
+    name = "camera_core",
+    srcs = glob(
+        ["**/*.java"],
+    ),
+    deps = [
+        "@maven//:com_google_guava_guava",
+    ],
+)

mediapipe/render/android/camera/java/com/quark/quamera/proguard.pgcfg

@@ -0,0 +1,29 @@
+# Additional flags to pass to Proguard when processing a binary that uses
+# MediaPipe.
+
+# Keep public members of our public interfaces. This also prevents the
+# obfuscation of the corresponding methods in classes implementing them,
+# such as implementations of PacketCallback#process.
+-keep public interface com.google.mediapipe.framework.* {
+  public *;
+}
+
+# This method is invoked by native code.
+-keep public class com.google.mediapipe.framework.Packet {
+  public static *** create(***);
+  public long getNativeHandle();
+  public void release();
+}
+
+# This method is invoked by native code.
+-keep public class com.google.mediapipe.framework.PacketCreator {
+  *** releaseWithSyncToken(...);
+}
+
+# This method is invoked by native code.
+-keep public class com.google.mediapipe.framework.MediaPipeException {
+  <init>(int, byte[]);
+}
+
+# Required to use PacketCreator#createProto
+-keep class com.google.mediapipe.framework.ProtoUtil$SerializedMessage { *; }

mediapipe/render/module/render_queue/BUILD

@@ -1,10 +1,17 @@
 load("@build_bazel_rules_apple//apple:ios.bzl", "ios_framework")
 
+licenses(["notice"])
+
 package(
     default_visibility = ["//visibility:public"],
     features = ["no_layering_check"],
 )
 
+alias(
+    name = "olarender_jni",
+    actual = ":olarender",
+)
+
 cc_library(
     name = "olarender",
     srcs = [

mediapipe/render/module/render_queue/ola_aar.bzl

@@ -9,10 +9,12 @@ load("@build_bazel_rules_android//android:rules.bzl", "android_binary", "android
 def ola_aar(name,
         srcs = [],
         assets = [],
+        gen_lib = True,
         proguard_specs = [],
         assets_dir = "" ):
 
     _ola_jni(
+        gen_lib = gen_lib,
         name = name + "_jni",
     )
 
@@ -46,16 +48,17 @@ EOF
 
 
 
-def _ola_jni(name):
+def _ola_jni(gen_lib, name):
 
-    # native.cc_binary(
-    #     name = "libola_render_jni.so",
-    #     linkshared = 1,
-    #     linkstatic = 1,
-    #     deps = [
-    #          "//mediapipe/render/module/render_queue:olarender_jni",
-    #     ]
-    # )
+    if gen_lib:
+        native.cc_binary(
+            name = "libola_render_jni.so",
+            linkshared = 1,
+            linkstatic = 1,
+            deps = [
+                "//mediapipe/render/module/render_queue:olarender",
+            ]
+        )
 
     native.cc_library(
         name = name + "_cc_lib",

mediapipe/render/module/render_queue/src/java/com/ola/render/BUILD

@@ -1,12 +1,14 @@
 load("//mediapipe/render/module/render_queue:ola_aar.bzl", "ola_aar")
 
+licenses(["notice"])
+
 package(default_visibility = ["//visibility:public"])
 
 cc_binary(
     name = "libola_render_jni.so",
     linkshared = 1,
     linkstatic = 1,
-    srcs = [
+    deps = [
         "//mediapipe/render/module/render_queue:olarender",
     ],
 )
@@ -28,11 +30,9 @@ cc_library(
 
 
 ola_aar(
-    name =  "render",
-    #  srcs = [
-    #     "RenderJni.java"
-    # ], 
+    name = "ola_render",
     srcs = glob(["*.java"]),
+    gen_lib = False,
     proguard_specs = ["proguard.pgcfg"],
     # deps = [
     #     "//mediapipe/render/module/render_queue:olarender",

mediapipe/render/module/render_queue/src/java/com/ola/render/RenderJni.java

@@ -15,16 +15,16 @@ public class RenderJni{
         System.loadLibrary("ola_render_jni");
     }
 
-    public static native Long create();
+    public static native long create();
 
     public static native int render(
-            Long renderContext,
+            long renderContext,
             int textureId,
             int width,
             int height,
-            Long timestamp,
+            long timestamp,
             boolean export
      );
 
-    public static native void release(Long render);
+    public static native void release(long render);
 }