package com.example.ghomi.chapter11_6;

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.ZoomControls;

public class MainActivity extends AppCompatActivity {
    ZoomControls zoom;
    ImageView img;
    Button btn;
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        zoom = (ZoomControls) findViewById(R.id.zoomControls1);
        img = (ImageView) findViewById(R.id.imageView1);
        btn = (Button) findViewById(R.id.button);

        zoom.setOnZoomInClickListener(new OnClickListener() {
            @Override
            public void onClick(View v) {
                // TODO Auto-generated method stub
                float x = img.getScaleX();
                float y = img.getScaleY();
                img.setScaleX((float) (x+1));
                img.setScaleY((float) (y+1));
            }
        });

        zoom.setOnZoomOutClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                // TODO Auto-generated method stub
                float x = img.getScaleX();
                float y = img.getScaleY();
                img.setScaleX((float) (x-1));
                img.setScaleY((float) (y-1));
            }
        });
        btn.setOnClickListener(new OnClickListener() {
            @Override
            public void onClick(View v) {
                if(zoom.isShown())
                    zoom.hide();
                else
                    zoom.show();
            }
        });
    }
}
