ifucolo

Button valid = (Button)findViewById(R.id.valid);
valid.setOnClickListener(new View.OnClickListener {
    public void onClick(View v) {
       // TODO: do some stuff...
       
    }
    
    public void onLongClick(View v) {
        // we don't need to it
    }

ifucolo

public interface OnClickListener { 
    void onClick(View v);
}
public interface OnLongClickListener { 
    void onLongClick(View v);
}
public interface OnTouchListener { 
    void onTouch(View v, MotionEvent event);
}

ifucolo

class Program {

	public void work() {
		// ....code
	}
}

class Engineer{

	Program program;

ifucolo

interface IProgram {
	public void work();
}

class Program implements IProgram{
	public void work() {
		// ....code
	}
}

ifucolo

 private void loadImage(ImageView imageView) {
        Glide.with(this)
                .load(getString(R.string.img_url))
                .into(imageView);
    }

ifucolo

   private void transition(View view, String url, String id) {
        Intent intent = new Intent(this, ZoomPichActivity.class);
        intent.putExtra("url", url);
        intent.putExtra("id", id);

        ViewCompat.setTransitionName(view, id);
        ActivityOptionsCompat options = ActivityOptionsCompat.makeSceneTransitionAnimation(this, view, id);

        startActivity(intent, options.toBundle());
    }

ifucolo

public class FrameTouch extends FrameLayout implements ScaleGestureDetector.OnScaleGestureListener {

    GestureDetectorCompat detector;
    ScaleGestureDetector scaleDetector;
    FrameOnTouch frameOnTouch;

    @Override
    public boolean onScale(ScaleGestureDetector detector) {
        return true;
    }

ifucolo

<?xml version="1.0" encoding="utf-8"?>
<example.com.zoompinch.widget.FrameTouch xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/backgroundZoom"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="@android:color/black"
    android:orientation="vertical"
    android:layout_gravity="center">

ifucolo

    private PhotoViewAttacher mAttacher;
{
  ....

        mAttacher = new PhotoViewAttacher(photo);
        mAttacher.setMinimumScale(0.5f);
        mAttacher.setMaximumScale(mAttacher.getMaximumScale());
        mAttacher.setScaleType(ImageView.ScaleType.FIT_CENTER);
        

ifucolo

 supportPostponeEnterTransition();
        Glide.with(this)
                .load(imgUrl)
                .listener(new RequestListener<String, GlideDrawable>() {
                    @Override
                    public boolean onException(Exception e, String model, Target<GlideDrawable> target, boolean isFirstResource) {
                        supportStartPostponedEnterTransition();
                        return false;
                    }