import android.text.style.ClickableSpan;
import android.view.View;

/**
 * Created by nilesh on 22/3/18.
 */

public abstract class CustomClickableSpan extends ClickableSpan {

    abstract public void onLongClick(View view);

    @Override
    public void onClick(View view) {

    }
}

public class MainActivity extends AppCompatActivity {
    TextView editemail;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);


        editemail = findViewById(R.id.Amount);
        Spannable span = Spannable.Factory.getInstance().newSpannable("Nilesh Rathod");

        CustomClickableSpan customClickableSpan = new CustomClickableSpan() {
            @Override
            public void onLongClick(View view) {

                Toast.makeText(MainActivity.this, "Long Clicked", Toast.LENGTH_SHORT).show();
            }
        };

        span.setSpan(customClickableSpan, 0, span.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
        SpannableStringBuilder builder = new SpannableStringBuilder();
        builder.append(span);
        builder.append(" : " + "Othet text");
        editemail.setText(span);
        editemail.setMovementMethod(LongClickSpan.getInstance());


    }


}

package com.example.nilesh.testapp;

/**
 * Created by nilesh on 22/3/18.
 */
import android.text.Layout;
import android.text.Selection;
import android.text.Spannable;
import android.text.method.LinkMovementMethod;
import android.text.method.MovementMethod;
import android.view.MotionEvent;
import android.widget.TextView;

public class LongClickSpan extends LinkMovementMethod {

    private Long lastClickTime = 0l;
    private int lastX = 0;
    private int lastY = 0;
    @Override
    public boolean onTouchEvent(TextView widget, Spannable buffer,
                                MotionEvent event) {
        int action = event.getAction();

        if (action == MotionEvent.ACTION_UP ||
                action == MotionEvent.ACTION_DOWN) {
            int x = (int) event.getX();
            int y = (int) event.getY();
            lastX = x;
            lastY = y;
            int deltaX = Math.abs(x-lastX);
            int deltaY = Math.abs(y-lastY);

            x -= widget.getTotalPaddingLeft();
            y -= widget.getTotalPaddingTop();

            x += widget.getScrollX();
            y += widget.getScrollY();

            Layout layout = widget.getLayout();
            int line = layout.getLineForVertical(y);
            int off = layout.getOffsetForHorizontal(line, x);

            CustomClickableSpan[] link = buffer.getSpans(off, off, CustomClickableSpan.class);

            if (link.length != 0) {
                if (action == MotionEvent.ACTION_UP) {
                    if (System.currentTimeMillis() - lastClickTime < 1000)
                        link[0].onClick(widget);
                    else if (deltaX < 10 && deltaY < 10)
                        link[0].onLongClick(widget);
                } else if (action == MotionEvent.ACTION_DOWN) {
                    Selection.setSelection(buffer,
                            buffer.getSpanStart(link[0]),
                            buffer.getSpanEnd(link[0]));
                    lastClickTime = System.currentTimeMillis();
                }
                return true;
            }
        }

        return super.onTouchEvent(widget, buffer, event);
    }


    public static MovementMethod getInstance() {
        if (sInstance == null)
            sInstance = new LongClickSpan();

        return sInstance;
    }

    private static LongClickSpan sInstance;
}