Android: Install Samplejni

JNI Example

This sample shows how to build a native code library, package it into an APK, and call it using JNI.

Prerequesites

You must install the Android SDK in order to build the Java APK. The Android SDK can be downloaded
from

http://code.google.com/android/download.html

Build Steps:

1) Create an Eclipse project to for the Java code.

Launch Eclipse
Choose File : New : Project...
Choose Android : Android Project
Choose Next
Enter "JNIExample" into the Project name: field.
Choose "Create project from existing source"
Click the Browse button and browse to the ndk/samplejni directory

Click Finish

2) Build the Eclipse Project

Select the JNIExample project in the Package Explorer
Make sure that the menu item Project:Build Automatically is not checked

Choose Project:Build

The resulting apk file ends up in bin/full/JNIExample.apk

2) Build the shared library, insert the shared library into the APK file and resign thee
shared library.

ANDROID_SDK_BASE= make

Install the APK on the device:
(Run emulator before run adb)
adb install -r bin/full/JNIExample.apk

Once the application is installed, you can run it by tapping on the "JNI Example" icon.

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