package com.zoom.test;

import android.app.Activity;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Matrix;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.widget.ImageView;
import android.widget.RelativeLayout;
import android.widget.ZoomButtonsController;

public class TestZoomButtonActivity extends Activity {

    Handler h = new Handler() {
        @Override
        public void handleMessage(Message m) {
            mZoomButtonsController.setVisible(true);
        }
    };

    int cnt = 1;
    ZoomButtonsController mZoomButtonsController;
    ImageView image;

    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);

        RelativeLayout layout = (RelativeLayout) findViewById(R.id.layout);
        image = (ImageView) findViewById(R.id.imageView1);

        mZoomButtonsController = new ZoomButtonsController(layout);
        mZoomButtonsController.setFocusable(true);
        mZoomButtonsController.setZoomInEnabled(true);
        mZoomButtonsController.setZoomOutEnabled(true);
        mZoomButtonsController.setAutoDismissed(false);
        mZoomButtonsController.setZoomSpeed(1000);

        mZoomButtonsController
                .setOnZoomListener(new ZoomButtonsController.OnZoomListener() {
                    @Override
                    public void onVisibilityChanged(boolean visible) {
                    }

                    @Override
                    public void onZoom(boolean zoomIn) {
                        if (zoomIn) {
                            if (cnt < 10) {
                                cnt++;
                            }
                        } else {
                            if (cnt > 1) {
                                cnt--;
                            }
                        }

                        Bitmap b = BitmapFactory.decodeResource(getResources(),
                                R.drawable.ic_launcher);
                        Matrix ma = new Matrix();

                        ma.postScale(cnt, cnt);
                        image.setImageBitmap(Bitmap.createBitmap(b, 0, 0,
                                b.getWidth(), b.getHeight(), ma, true));
                    }

                });

        h.sendEmptyMessage(0);

    }

}