- Install Android NDK.
Android NDK by default will be installed in the following directory:
/home/<username>/.local/share/umake/android/android-ndk/
- Select your Android API level and processor architecture.
Let's select API level 21 (Android 5.0 "Lollipop") and ARM architecture.
In /home/<username>/.local/share/umake/android/android-ndk/platforms/
directory select android-21
subdirectory and there arch-arm
subdirectory.
So, the sysroot directory is
/home/<username>/.local/share/umake/android/android-ndk/platforms/android-21/arch-arm
- Create
hello.cpp
file.
We'll take one created in the previous blog post:
#include <stdio.h>
int main(int argc, char *argv[])
{
printf("Hello, World!\n");
return 0;
}
- Build Android native application.
/home/<username>/.local/share/umake/android/android-ndk/toolchains/arm-linux-androideabi-4.9/prebuilt/linux-x86_64/bin/arm-linux-androideabi-gcc-4.9 -static -march=armv7-a --sysroot=/home/<username>/.local/share/umake/android/android-ndk/platforms/android-21/arch-arm hello.cpp -o hello
Output is hello
binary file.
- Upload this file to Android device
adb push hello /data/local/tmp
- Change file permissions
adb shell chmod 777 /data/local/tmp/hello
Don't forget to do it after each file push.
- Run application
adb shell /data/local/tmp/hello
Output is:
vurdalakov@ubuntu:/tmp$ adb shell /data/local/tmp/hello
Hello, World!
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