update android project and link issue because previously removed the app_dummy

android/CMakeLists.txt

@@ -17,7 +17,7 @@ add_library(
 # automatically packages shared libraries with your APK.
 
 # now build app's shared lib
-set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=gnu++14")
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++14")
 
 add_library(
 	native-lib SHARED

android/build.gradle

@@ -27,15 +27,13 @@ apply plugin: "com.gladed.androidgitversion"
 
 def getCurrentFlavor() {
     Gradle gradle = getGradle()
+
     if (gradle.getStartParameter().getTaskRequests().args.size() == 0)
         return ""
     String  tskReqStr = gradle.getStartParameter().getTaskRequests().args[0][0]
-    Pattern pattern;
+    Pattern pattern
 
-    if( tskReqStr.contains( "assemble" ) )
-        pattern = Pattern.compile("assemble(\\w*)(Release|Debug)")
-    else
-        pattern = Pattern.compile("generate(\\w*)(Release|Debug)")
+    pattern = Pattern.compile("(\\w*)(Release|Debug)")
 
     Matcher matcher = pattern.matcher( tskReqStr )
 
@@ -44,7 +42,7 @@ def getCurrentFlavor() {
     else
     {
         println "NO MATCH FOUND"
-        return "";
+        return ""
     }
 }
 
@@ -54,7 +52,7 @@ def flavor_cap = getCurrentFlavor().capitalize()
 Properties properties = new Properties()
 properties.load(project.rootProject.file('local.properties').newDataInputStream())
 def sdkDir = properties.getProperty("sdk.dir")
-def classpath = "build/intermediates/javac/${flavor}/compile${flavor_cap}JavaWithJavac/classes:${sdkDir}/platforms/android-26/android.jar"
+def classpath = "build/intermediates/javac/${flavor}/compile${flavor_cap}JavaWithJavac/classes;${sdkDir}/platforms/android-26/android.jar"
 def activity = "com.omixlab.panopainter.MainActivity"
 def outpath = "src/main/cpp"
 
@@ -88,7 +86,7 @@ android {
                 //cppFlags "-D__STDC_FORMAT_MACROS"
                 arguments   "-DANDROID_TOOLCHAIN=clang",
                             //"-DANDROID_PLATFORM=android-19",
-                            "-DANDROID_STL=gnustl_static",
+                            "-DANDROID_STL=c++_shared",
                             "-DCMAKE_BUILD_TYPE=${flavor_cap}",
                             "-DANDROID_ARM_NEON=TRUE"
             }

android/src/main/cpp/main.cpp

@@ -941,6 +941,10 @@ static void engine_handle_cmd(struct android_app* app, int32_t cmd) {
 void android_main(struct android_app* state) {
     struct engine engine;
 
+    // Make sure glue isn't stripped.
+    // DON'T REMOVE, even if the compiler say it's deprecated
+    app_dummy();
+
     memset(&engine, 0, sizeof(engine));
     state->userData = &engine;
     state->onAppCmd = engine_handle_cmd;