initial commit for ndk functionality

jni/Android.mk

@@ -0,0 +1,9 @@
+LOCAL_PATH := $(call my-dir)
+
+include $(CLEAR_VARS)
+
+LOCAL_MODULE    := fibonacci
+
+LOCAL_SRC_FILES := com_android_ndksample_MainActivity.c
+
+include $(BUILD_SHARED_LIBRARY)  

jni/com_android_ndksample_MainActivity.c

@@ -0,0 +1,15 @@
+/*
+ * com_android_ndksample_MainActivity.c
+ *
+ *  Created on: Nov 27, 2013
+ *      Author: davidelizondo
+ */
+
+#include "com_android_ndksample_MainActivity.h"
+#include "fibonacci.c"
+
+jlong JNICALL
+Java_com_android_ndksample_MainActivity_nativeFibonacci(JNIEnv *env,
+		jclass clazz, jint n) {
+	return recursive(n);
+}

jni/fibonacci.c

@@ -0,0 +1,16 @@
+/*
+ * fibonacci.c
+ *
+ *  Created on: Nov 27, 2013
+ *      Author: davidelizondo
+ */
+#include "fibonacci.h"
+
+uint64_t recursive(int n) {
+	if (n > 1) {
+		return recursive(n - 2) + recursive(n - 1);
+	}
+	return n;
+
+}
+

jni/fibonacci.h

@@ -0,0 +1,15 @@
+/*
+ * fibonacci.h
+ *
+ *  Created on: Nov 27, 2013
+ *      Author: davidelizondo
+ */
+
+#include <stdint.h>
+
+#ifndef FIBONACCI_H_
+#define FIBONACCI_H_
+
+extern uint64_t recursive(int n);
+
+#endif /* FIBONACCI_H_ */

obj/local/armeabi-v7a/objs/fibonacci/com_android_ndksample_MainActivity.o.d

@@ -0,0 +1,32 @@
+/Users/davidelizondo/Proyectos/NDKSample/obj/local/armeabi-v7a/objs/fibonacci/com_android_ndksample_MainActivity.o: \
+ /Users/davidelizondo/Proyectos/NDKSample/jni/com_android_ndksample_MainActivity.c \
+ /Users/davidelizondo/Proyectos/NDKSample/jni/com_android_ndksample_MainActivity.h \
+ /Users/davidelizondo/android-ndk-r9b/platforms/android-19/arch-arm/usr/include/jni.h \
+ /Users/davidelizondo/android-ndk-r9b/platforms/android-19/arch-arm/usr/include/sys/cdefs.h \
+ /Users/davidelizondo/android-ndk-r9b/platforms/android-19/arch-arm/usr/include/sys/cdefs_elf.h \
+ /Users/davidelizondo/android-ndk-r9b/platforms/android-19/arch-arm/usr/include/android/api-level.h \
+ /Users/davidelizondo/Proyectos/NDKSample/jni/fibonacci.h \
+ /Users/davidelizondo/android-ndk-r9b/platforms/android-19/arch-arm/usr/include/stdint.h \
+ /Users/davidelizondo/android-ndk-r9b/platforms/android-19/arch-arm/usr/include/sys/_types.h \
+ /Users/davidelizondo/android-ndk-r9b/platforms/android-19/arch-arm/usr/include/machine/_types.h \
+ /Users/davidelizondo/android-ndk-r9b/platforms/android-19/arch-arm/usr/include/sys/_wchar_limits.h
+
+/Users/davidelizondo/Proyectos/NDKSample/jni/com_android_ndksample_MainActivity.h:
+
+/Users/davidelizondo/android-ndk-r9b/platforms/android-19/arch-arm/usr/include/jni.h:
+
+/Users/davidelizondo/android-ndk-r9b/platforms/android-19/arch-arm/usr/include/sys/cdefs.h:
+
+/Users/davidelizondo/android-ndk-r9b/platforms/android-19/arch-arm/usr/include/sys/cdefs_elf.h:
+
+/Users/davidelizondo/android-ndk-r9b/platforms/android-19/arch-arm/usr/include/android/api-level.h:
+
+/Users/davidelizondo/Proyectos/NDKSample/jni/fibonacci.h:
+
+/Users/davidelizondo/android-ndk-r9b/platforms/android-19/arch-arm/usr/include/stdint.h:
+
+/Users/davidelizondo/android-ndk-r9b/platforms/android-19/arch-arm/usr/include/sys/_types.h:
+
+/Users/davidelizondo/android-ndk-r9b/platforms/android-19/arch-arm/usr/include/machine/_types.h:
+
+/Users/davidelizondo/android-ndk-r9b/platforms/android-19/arch-arm/usr/include/sys/_wchar_limits.h:

obj/local/armeabi/objs/fibonacci/com_android_ndksample_MainActivity.o.d

@@ -0,0 +1,35 @@
+/Users/davidelizondo/Proyectos/NDKSample/obj/local/armeabi/objs/fibonacci/com_android_ndksample_MainActivity.o: \
+ /Users/davidelizondo/Proyectos/NDKSample/jni/com_android_ndksample_MainActivity.c \
+ /Users/davidelizondo/Proyectos/NDKSample/jni/com_android_ndksample_MainActivity.h \
+ /Users/davidelizondo/android-ndk-r9b/platforms/android-19/arch-arm/usr/include/jni.h \
+ /Users/davidelizondo/android-ndk-r9b/platforms/android-19/arch-arm/usr/include/sys/cdefs.h \
+ /Users/davidelizondo/android-ndk-r9b/platforms/android-19/arch-arm/usr/include/sys/cdefs_elf.h \
+ /Users/davidelizondo/android-ndk-r9b/platforms/android-19/arch-arm/usr/include/android/api-level.h \
+ /Users/davidelizondo/Proyectos/NDKSample/jni/fibonacci.c \
+ /Users/davidelizondo/Proyectos/NDKSample/jni/fibonacci.h \
+ /Users/davidelizondo/android-ndk-r9b/platforms/android-19/arch-arm/usr/include/stdint.h \
+ /Users/davidelizondo/android-ndk-r9b/platforms/android-19/arch-arm/usr/include/sys/_types.h \
+ /Users/davidelizondo/android-ndk-r9b/platforms/android-19/arch-arm/usr/include/machine/_types.h \
+ /Users/davidelizondo/android-ndk-r9b/platforms/android-19/arch-arm/usr/include/sys/_wchar_limits.h
+
+/Users/davidelizondo/Proyectos/NDKSample/jni/com_android_ndksample_MainActivity.h:
+
+/Users/davidelizondo/android-ndk-r9b/platforms/android-19/arch-arm/usr/include/jni.h:
+
+/Users/davidelizondo/android-ndk-r9b/platforms/android-19/arch-arm/usr/include/sys/cdefs.h:
+
+/Users/davidelizondo/android-ndk-r9b/platforms/android-19/arch-arm/usr/include/sys/cdefs_elf.h:
+
+/Users/davidelizondo/android-ndk-r9b/platforms/android-19/arch-arm/usr/include/android/api-level.h:
+
+/Users/davidelizondo/Proyectos/NDKSample/jni/fibonacci.c:
+
+/Users/davidelizondo/Proyectos/NDKSample/jni/fibonacci.h:
+
+/Users/davidelizondo/android-ndk-r9b/platforms/android-19/arch-arm/usr/include/stdint.h:
+
+/Users/davidelizondo/android-ndk-r9b/platforms/android-19/arch-arm/usr/include/sys/_types.h:
+
+/Users/davidelizondo/android-ndk-r9b/platforms/android-19/arch-arm/usr/include/machine/_types.h:
+
+/Users/davidelizondo/android-ndk-r9b/platforms/android-19/arch-arm/usr/include/sys/_wchar_limits.h:

obj/local/armeabi/objs/nativeFibonacci/com_android_ndksample_MainActivity.o.d

@@ -0,0 +1,32 @@
+/Users/davidelizondo/Proyectos/NDKSample/obj/local/armeabi/objs/nativeFibonacci/com_android_ndksample_MainActivity.o: \
+ /Users/davidelizondo/Proyectos/NDKSample/jni/com_android_ndksample_MainActivity.c \
+ /Users/davidelizondo/Proyectos/NDKSample/jni/com_android_ndksample_MainActivity.h \
+ /Users/davidelizondo/android-ndk-r9b/platforms/android-19/arch-arm/usr/include/jni.h \
+ /Users/davidelizondo/android-ndk-r9b/platforms/android-19/arch-arm/usr/include/sys/cdefs.h \
+ /Users/davidelizondo/android-ndk-r9b/platforms/android-19/arch-arm/usr/include/sys/cdefs_elf.h \
+ /Users/davidelizondo/android-ndk-r9b/platforms/android-19/arch-arm/usr/include/android/api-level.h \
+ /Users/davidelizondo/Proyectos/NDKSample/jni/fibonacci.h \
+ /Users/davidelizondo/android-ndk-r9b/platforms/android-19/arch-arm/usr/include/stdint.h \
+ /Users/davidelizondo/android-ndk-r9b/platforms/android-19/arch-arm/usr/include/sys/_types.h \
+ /Users/davidelizondo/android-ndk-r9b/platforms/android-19/arch-arm/usr/include/machine/_types.h \
+ /Users/davidelizondo/android-ndk-r9b/platforms/android-19/arch-arm/usr/include/sys/_wchar_limits.h
+
+/Users/davidelizondo/Proyectos/NDKSample/jni/com_android_ndksample_MainActivity.h:
+
+/Users/davidelizondo/android-ndk-r9b/platforms/android-19/arch-arm/usr/include/jni.h:
+
+/Users/davidelizondo/android-ndk-r9b/platforms/android-19/arch-arm/usr/include/sys/cdefs.h:
+
+/Users/davidelizondo/android-ndk-r9b/platforms/android-19/arch-arm/usr/include/sys/cdefs_elf.h:
+
+/Users/davidelizondo/android-ndk-r9b/platforms/android-19/arch-arm/usr/include/android/api-level.h:
+
+/Users/davidelizondo/Proyectos/NDKSample/jni/fibonacci.h:
+
+/Users/davidelizondo/android-ndk-r9b/platforms/android-19/arch-arm/usr/include/stdint.h:
+
+/Users/davidelizondo/android-ndk-r9b/platforms/android-19/arch-arm/usr/include/sys/_types.h:
+
+/Users/davidelizondo/android-ndk-r9b/platforms/android-19/arch-arm/usr/include/machine/_types.h:
+
+/Users/davidelizondo/android-ndk-r9b/platforms/android-19/arch-arm/usr/include/sys/_wchar_limits.h:

res/layout/activity_main.xml

@@ -9,6 +9,7 @@
     tools:context=".MainActivity" >
 
     <TextView
+        android:id="@+id/native_result"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:text="@string/hello_world" />

src/com/android/ndksample/MainActivity.java

@@ -1,22 +1,35 @@
 package com.android.ndksample;
 
-import android.os.Bundle;
 import android.app.Activity;
+import android.os.Bundle;
 import android.view.Menu;
+import android.widget.TextView;
 
 public class MainActivity extends Activity {
 
-    @Override
-    protected void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-        setContentView(R.layout.activity_main);
-    }
-
-    @Override
-    public boolean onCreateOptionsMenu(Menu menu) {
-        // Inflate the menu; this adds items to the action bar if it is present.
-        getMenuInflater().inflate(R.menu.main, menu);
-        return true;
-    }
+	private TextView mNativeResult;
+
+	static {
+		System.loadLibrary("fibonacci");
+	}
+
+	@Override
+	protected void onCreate(Bundle savedInstanceState) {
+		super.onCreate(savedInstanceState);
+		setContentView(R.layout.activity_main);
+		mNativeResult = (TextView) findViewById(R.id.native_result);
+
+		mNativeResult.setText(String.valueOf(nativeFibonacci(6)));
+
+	}
+
+	@Override
+	public boolean onCreateOptionsMenu(Menu menu) {
+		// Inflate the menu; this adds items to the action bar if it is present.
+		getMenuInflater().inflate(R.menu.main, menu);
+		return true;
+	}
+
+	public static native long nativeFibonacci(int n);
 
 }