DaisyProviderDemo.class

package com.tomgibara.daisy.demo.provider;

import android.app.Activity;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.text.format.DateUtils;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.ImageView;
import android.widget.Toast;
import android.widget.ImageView.ScaleType;

/**
 * 
 * This self-contained Android Activity class demonstrates how to display a
 * flower that a user has picked from their Daisy Garden application.
 * 
 * @author Tom Gibara
 */

public class DaisyProviderDemo extends Activity implements OnClickListener {
    
	//plant intent extras
	public static final String EXTRA_DATA = "data"; // long: data that identifies the plant image
	public static final String EXTRA_NAME = "name"; // String: the name of the plant
	public static final String EXTRA_FAVORITE = "favorite"; // boolean: whether the plant has been favourited
	public static final String EXTRA_PLANTED = "planted"; // long: timestamp of when the flower was planted

	private static final int REQUEST_PLANT = 0;
	
	private ImageView imageView;
	
    @Override
    public void onCreate(Bundle savedInstanceState) {
    	//obligatory call to super
        super.onCreate(savedInstanceState);

        //set-up a view to display the flower
        imageView = new ImageView(this);
        imageView.setBackgroundColor(0xff008000);
        imageView.setScaleType(ScaleType.FIT_CENTER);
        setContentView(imageView);
        
        //register us as an click listener on the imageView
        imageView.setOnClickListener(this);
    }
    
    @Override
    public void onClick(View v) {
    	//only interested in clicks on imageView
    	if (v != imageView) return;

        //this is the intent that will kick-off the flower selection
        final Intent intent = new Intent()
        	// this is just the generic 'pick' action
        	.setAction( Intent.ACTION_PICK )
        	// this is the type of thing we're picking
        	.setType("vnd.tomgibara.daisy.plant/*")
        	//the following is a strictly optional customization
        	.putExtra("com.tomgibara.daisy.garden.planter.PICKING_MESSAGE", "Choose a flower to demo");

        startActivityForResult(intent, REQUEST_PLANT);
    }
    
    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
    	//disregard any activity result that wasn't for us
    	if (requestCode != REQUEST_PLANT) super.onActivityResult(requestCode, resultCode, data);
    	if (resultCode != RESULT_OK) return; // user didn't select anything so nothing to do
    	
    	//the data part contains the image URI for the flower
    	Uri imageUri = data.getData();
    	//we can customize this eg.
    	imageUri = imageUri.buildUpon()
    		.appendQueryParameter("size", "256") //the desired size of the image in pixels
    		.appendQueryParameter("angle", "30") //angle through which the flower is rotated
    		.fragment("flower") // which element we want to draw, one of: plant, flower, petal
    		.build();
    		
    	
    	//the extras contain information about the plant itself
    	final String name = data.getStringExtra(EXTRA_NAME);
    	final boolean favorite = data.getBooleanExtra(EXTRA_FAVORITE, false);
    	final long planted = data.getLongExtra(EXTRA_PLANTED, System.currentTimeMillis());
    	final String plantedStr = DateUtils.formatDateTime(this, planted, DateUtils.FORMAT_ABBREV_ALL);
    	//compile the information into a single string for display
    	final String toast = String.format("Name: %s\nFavorite: %b\nPlanted: %s", name, favorite, plantedStr);
    	
    	//finally display the result
    	imageView.setImageURI(imageUri);
    	Toast.makeText(this, toast, Toast.LENGTH_LONG).show();
    }
}