TWiStErRob

    public static boolean isFOSHoldingOnToFile() {
        return !canDeleteCreatedFile() || !canRenameCreatedFile();
    }

    public static boolean canDeleteCreatedFile() {
        File temp = null;
        try {
            temp = File.createTempFile("canDeleteCreatedFile", null, Robolectric.application.getCacheDir());
            if(!temp.delete()) {
                return false;

TWiStErRob

import java.io.File;
import android.content.Context;
import com.bumptech.glide.load.engine.cache.*;

public final class ExternalCacheDiskCacheFactory implements DiskCache.Factory {
	private final Context context;
	private final String diskCacheName;
	private final int diskCacheSize;

	public ExternalCacheDiskCacheFactory(Context context, int diskCacheSize) {

TWiStErRob

class DrawableResoureDecoder implements ResourceDecoder<Drawable, Drawable> {
	@Override public Resource<Drawable> decode(Drawable source, int width, int height) throws IOException {
		return new DrawableResource<Drawable>(source) {
			@Override public int getSize() { return 1; }
			@Override public void recycle() { }
		};
	}
	@Override public String getId() { return "DrawableDrawableResourceDecoder"; }
}

TWiStErRob

class DrawableBitmapResourceDecoder implements ResourceDecoder<Drawable, Bitmap> {
	private final BitmapPool pool;
	public DrawableBitmapResourceDecoder(Context context) {
		this(Glide.get(context).getBitmapPool());
	}
	public DrawableBitmapResourceDecoder(BitmapPool pool) {
		this.pool = pool;
	}

	@Override public Resource<Bitmap> decode(Drawable drawable, int width, int height) throws IOException {

TWiStErRob

class BitmapBitmapResourceDecoder implements ResourceDecoder<Bitmap, Bitmap> {
	private final BitmapPool pool;
	public BitmapBitmapResourceDecoder(Context context) {
		this(Glide.get(context).getBitmapPool());
	}
	public BitmapBitmapResourceDecoder(BitmapPool pool) {
		this.pool = pool;
	}

	@Override public Resource<Bitmap> decode(Bitmap source, int width, int height) throws IOException {

TWiStErRob

package net.twisterrob.android.view;

import android.content.Context;
import android.util.AttributeSet;
import android.widget.FrameLayout;

public class SquareFrameLayout extends FrameLayout {
	public SquareFrameLayout(Context context) {
		super(context);
	}

TWiStErRob

static {
    System.setOut(new java.io.PrintStream(new java.io.FilterOutputStream(System.out) {
  		int count = 10 * 1024;
  		@Override public void write(int b) throws IOException {
  			if (count > 0) {
  				super.write(b);
  				--count;
  			}
  		}
  		@Override public void write(byte[] b, int off, int len) throws IOException {

TWiStErRob

package problems.tushar;

import java.util.*;
import java.util.function.Predicate;
import java.util.stream.*;

import static problems.tushar.TravelingSalesmanHeldKarpX.Algo.*;
import static problems.tushar.TravelingSalesmanHeldKarpX.Utils.*;

/**

TWiStErRob

// TODO add <meta-data android:value="GlideModule" android:name="....OkHttpProgressGlideModule" />
// TODO add <meta-data android:value="GlideModule" tools:node="remove" android:name="com.bumptech.glide.integration.okhttp.OkHttpGlideModule" />
// or not use 'okhttp@aar' in Gradle depdendencies
public class OkHttpProgressGlideModule implements GlideModule {
	@Override public void applyOptions(Context context, GlideBuilder builder) {	}
	@Override public void registerComponents(Context context, Glide glide) {
		OkHttpClient client = new OkHttpClient();
		client.networkInterceptors().add(createInterceptor(new DispatchingProgressListener()));
		glide.register(GlideUrl.class, InputStream.class, new OkHttpUrlLoader.Factory(client));
	}

TWiStErRob

See SO answer.

You can pan (click background), zoom (mousewheel), drag nodes around. Middle click to add more nodes (at mouse).