MainActivity.java

package electrostat.lab.snaploaderapp;

import android.os.Bundle;
import android.widget.RelativeLayout;
import androidx.annotation.Nullable;
import androidx.appcompat.app.AppCompatActivity;
import electrostatic4j.snaploader.LibraryInfo;
import electrostatic4j.snaploader.LoadingCriterion;
import electrostatic4j.snaploader.NativeBinaryLoader;
import electrostatic4j.snaploader.filesystem.DirectoryPath;
import electrostatic4j.snaploader.platform.NativeDynamicLibrary;
import electrostatic4j.snaploader.platform.util.DefaultDynamicLibraries;
import electrostatic4j.snaploader.platform.util.NativeVariant;
import electrostatic4j.snaploader.platform.util.PlatformPredicate;

/**
 * Tests jSnapLoader on Android Runtime.
 *
 * @author pavl_g.
 */
public class MainActivity extends AppCompatActivity {
    static {
        // tries to load the android library
        try {
            final LibraryInfo libraryInfo = new LibraryInfo(new DirectoryPath("lib/independent"), "jmealloc", DirectoryPath.USER_DIR);
            final NativeDynamicLibrary[] libraries = new NativeDynamicLibrary[] {
                    DefaultDynamicLibraries.LINUX_X86,
                    DefaultDynamicLibraries.LINUX_X86_64,
                    new NativeDynamicLibrary("lib/windows/x86", "libjmealloc.dll", PlatformPredicate.WIN_X86),
                    new NativeDynamicLibrary("lib/windows/x86-64", "libjmealloc.dll", PlatformPredicate.WIN_X86_64),
                    DefaultDynamicLibraries.MAC_X86,
                    DefaultDynamicLibraries.MAC_X86_64,
                    DefaultDynamicLibraries.ANDROID_ALL,
            };
            final NativeBinaryLoader loader = new NativeBinaryLoader(libraryInfo);
            loader.registerNativeLibraries(libraries).initPlatformLibrary();
            loader.setLoggingEnabled(true);
            loader.setRetryWithCleanExtraction(true);
            /* Native dynamic library properties */
            printDetails(loader);
            loader.loadLibrary(LoadingCriterion.INCREMENTAL_LOADING);
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }

    @Override
    protected void onCreate(@Nullable Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(new RelativeLayout(getApplicationContext()));
    }

    public static void printDetails(NativeBinaryLoader loader) {
        System.out.println("--------------------------------------------------------------");
        System.out.println("OS: " + NativeVariant.OS_NAME.getProperty());
        System.out.println("ARCH: " + NativeVariant.OS_ARCH.getProperty());
        System.out.println("VM: " + NativeVariant.JVM.getProperty());
        System.out.println("--------------------------------------------------------------");
        System.out.println("Jar Path: " + loader.getNativeDynamicLibrary().getJarPath());
        System.out.println("Library Directory: " + loader.getNativeDynamicLibrary().getPlatformDirectory());
        System.out.println("Compressed library path: " + loader.getNativeDynamicLibrary().getCompressedLibrary());
        System.out.println("Extracted library absolute path: " + loader.getNativeDynamicLibrary().getExtractedLibrary());
        System.out.println("Is Extracted: " + loader.getNativeDynamicLibrary().isExtracted());
        System.out.println("--------------------------------------------------------------");
    }
}