NativeActivity sample build with Eclipse CDT fixed.

samples/android/native-activity/.project

@@ -5,6 +5,64 @@
 	<projects>
 	</projects>
 	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.cdt.managedbuilder.core.genmakebuilder</name>
+			<triggers>auto,full,incremental,</triggers>
+			<arguments>
+				<dictionary>
+					<key>?name?</key>
+					<value></value>
+				</dictionary>
+				<dictionary>
+					<key>org.eclipse.cdt.make.core.append_environment</key>
+					<value>true</value>
+				</dictionary>
+				<dictionary>
+					<key>org.eclipse.cdt.make.core.autoBuildTarget</key>
+					<value></value>
+				</dictionary>
+				<dictionary>
+					<key>org.eclipse.cdt.make.core.buildArguments</key>
+					<value></value>
+				</dictionary>
+				<dictionary>
+					<key>org.eclipse.cdt.make.core.buildCommand</key>
+					<value>&quot;${NDKROOT}/ndk-build.cmd&quot;</value>
+				</dictionary>
+				<dictionary>
+					<key>org.eclipse.cdt.make.core.cleanBuildTarget</key>
+					<value>clean</value>
+				</dictionary>
+				<dictionary>
+					<key>org.eclipse.cdt.make.core.contents</key>
+					<value>org.eclipse.cdt.make.core.activeConfigSettings</value>
+				</dictionary>
+				<dictionary>
+					<key>org.eclipse.cdt.make.core.enableAutoBuild</key>
+					<value>true</value>
+				</dictionary>
+				<dictionary>
+					<key>org.eclipse.cdt.make.core.enableCleanBuild</key>
+					<value>false</value>
+				</dictionary>
+				<dictionary>
+					<key>org.eclipse.cdt.make.core.enableFullBuild</key>
+					<value>true</value>
+				</dictionary>
+				<dictionary>
+					<key>org.eclipse.cdt.make.core.fullBuildTarget</key>
+					<value></value>
+				</dictionary>
+				<dictionary>
+					<key>org.eclipse.cdt.make.core.stopOnError</key>
+					<value>true</value>
+				</dictionary>
+				<dictionary>
+					<key>org.eclipse.cdt.make.core.useDefaultBuildCmd</key>
+					<value>false</value>
+				</dictionary>
+			</arguments>
+		</buildCommand>
 		<buildCommand>
 			<name>com.android.ide.eclipse.adt.ResourceManagerBuilder</name>
 			<arguments>
@@ -25,9 +83,19 @@
 			<arguments>
 			</arguments>
 		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.cdt.managedbuilder.core.ScannerConfigBuilder</name>
+			<triggers>full,incremental,</triggers>
+			<arguments>
+			</arguments>
+		</buildCommand>
 	</buildSpec>
 	<natures>
 		<nature>com.android.ide.eclipse.adt.AndroidNature</nature>
 		<nature>org.eclipse.jdt.core.javanature</nature>
+		<nature>org.eclipse.cdt.core.cnature</nature>
+		<nature>org.eclipse.cdt.core.ccnature</nature>
+		<nature>org.eclipse.cdt.managedbuilder.core.managedBuildNature</nature>
+		<nature>org.eclipse.cdt.managedbuilder.core.ScannerConfigNature</nature>
 	</natures>
 </projectDescription>

samples/android/native-activity/jni/native.cpp

@@ -9,7 +9,6 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <math.h>
-#include <float.h>
 #include <queue>
 
 #include <opencv2/core/core.hpp>
@@ -60,7 +59,7 @@ static cv::Size calc_optimal_camera_resolution(const char* supported, int width,
             }
         }
 
-        idx++; // to skip coma symbol
+        idx++; // to skip comma symbol
 
     } while(supported[idx-1] != '\0');
 
@@ -86,9 +85,9 @@ static void engine_draw_frame(Engine* engine, const cv::Mat& frame)
 
     for (int yy = top_indent; yy < std::min(frame.rows+top_indent, buffer.height); yy++)
     {
-        unsigned char* line = (unsigned char*)pixels;
-        memcpy(line+left_indent*4*sizeof(unsigned char), frame.ptr<unsigned char>(yy),
-               std::min(frame.cols, buffer.width)*4*sizeof(unsigned char));
+        unsigned char* line = (unsigned char*)pixels + left_indent*4*sizeof(unsigned char);
+        size_t line_size = std::min(frame.cols, buffer.width)*4*sizeof(unsigned char);
+        memcpy(line, frame.ptr<unsigned char>(yy), line_size);
         // go to next line
         pixels = (int32_t*)pixels + buffer.stride;
     }
@@ -139,7 +138,7 @@ static void engine_handle_cmd(android_app* app, int32_t cmd)
                     return;
                 }
 
-                LOGI("Camera initialized at resoution %dx%d", camera_resolution.width, camera_resolution.height);
+                LOGI("Camera initialized at resolution %dx%d", camera_resolution.width, camera_resolution.height);
             }
             break;
         case APP_CMD_TERM_WINDOW:
@@ -157,7 +156,8 @@ void android_main(android_app* app)
     // Make sure glue isn't stripped.
     app_dummy();
 
-    memset(&engine, 0, sizeof(engine));
+    size_t engine_size = sizeof(engine); // for Eclipse CDT parser
+    memset((void*)&engine, 0, engine_size);
     app->userData = &engine;
     app->onAppCmd = engine_handle_cmd;
     engine.app = app;