Android Class to View Contact List

package edu.bu.CS893;

import java.net.URL;

import android.net.*;
import android.widget.*;
import android.content.*;
import android.graphics.*;
import android.view.*;

/** A class that defines the view for the Contact list.
*
* @author Michael Braude
*/
public class ContactView extends LinearLayout implements
View.OnClickListener {

/** This is the width / height of the profile image.
*
*/
public static int IMAGE_SIZE = 50;

/** This is the contact that we are viewing.
*
*/
private Contact mContact;

/** True when the view is selected.
*
*/
private boolean mIsSelected;

/** This is the status view.
*
*/
private TextView mStatusView;

/** This is the phone number view.
*
*/
private TextView mPhoneNumberView;

/** This is the bitmap view that we use to draw the profile picture.
*
*/
private BitmapView mBitmapView;

/** Creates the contact view.
*
* @param context
* @param contact
*/
public ContactView(Context context, Contact contact) {

super (context);
this .mContact = contact;

// TODO display rating as stars
this .setOrientation(LinearLayout.HORIZONTAL);

// Add the profile image, then the phone # view:
mBitmapView = new BitmapView(context);
mBitmapView.setLayoutParams(new LayoutParams(IMAGE_SIZE,
IMAGE_SIZE));
this .addView(mBitmapView);

// This layout displays the first name / phone number:
LinearLayout phoneNumberLayout = new LinearLayout(context);
phoneNumberLayout.setOrientation(LinearLayout.VERTICAL);
phoneNumberLayout.setLayoutParams(new LayoutParams(
LayoutParams.FILL_PARENT, LayoutParams.FILL_PARENT));

LayoutParams params = new LayoutParams(
LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT);

TextView nameView = new TextView(context);
nameView.setText(mContact.getName());
nameView.setTextSize(16f);
nameView.setTextColor(Color.WHITE);
nameView.setLayoutParams(params);
phoneNumberLayout.addView(nameView);

mPhoneNumberView = new TextView(context);
mPhoneNumberView.setTextSize(16f);
mPhoneNumberView.setTextColor(Color.WHITE);
mPhoneNumberView.setLayoutParams(params);
phoneNumberLayout.addView(mPhoneNumberView);

mStatusView = new TextView(context);
mStatusView.setTextSize(16f);
mStatusView.setTextColor(Color.YELLOW);
mStatusView.setTypeface(Typeface
.defaultFromStyle(Typeface.ITALIC));
mStatusView.setLayoutParams(params);
phoneNumberLayout.addView(mStatusView);

this .addView(phoneNumberLayout);

// When this is clicked, call the contact!
this .setOnClickListener(this );

this .refreshFields();
this .setIsSelected(false);

}

/** Refreshes the contacts' fields.
*
*/
public void refreshFields() {

mPhoneNumberView.setText(mContact.getPhoneNumber());

String statusMessage = mContact.getStatusMessage();
if (statusMessage != null && statusMessage.length() > 0)
mStatusView.setText(String.format("%s %s", mContact
.getName(), statusMessage));

String profileURL = mContact.getProfilePictureURL();
if (profileURL != null && profileURL.length() > 0) {

try {
URL url = new URL(profileURL);
Bitmap bitmap = BitmapFactory.decodeStream(url
.openStream());
this .mBitmapView.setBitmap(bitmap);
} catch (Exception e) {
// Ignored
}

}

}

/** Called when the view is clicked. Dial the number!
*
* @param view
*/
public void onClick(View view) {
Intent i = new Intent();
Uri uri = Uri.parse("tel:" + mContact.getPhoneNumber());
i.setAction(Intent.CALL_ACTION);
i.setData(uri);
this .getContext().startActivity(i);
}

/** Returns the mIsSelected boolean.
*
*/
public boolean getIsSelected() {
return mIsSelected;
}

/** Sets the is selected value.
*
* @param isSelected
*/
public void setIsSelected(boolean isSelected) {
this .mIsSelected = isSelected;
this .setBackgroundColor((isSelected) ? Color.DKGRAY
: Color.BLACK);
}

/** This is a private class that is used to draw the users' profile
* picture on the contact view.
*
* @author Michael Braude
*
*/
private class BitmapView extends View {

/** This is the bitmap where we display the users' picture.
*
*/
private Bitmap mBitmap;

/** Default constructor.
*
*/
public BitmapView(Context context) {
super (context);
mBitmap = Bitmap.createBitmap(IMAGE_SIZE, IMAGE_SIZE, true);
}

/** Draws the bitmap to the screen.
*
*/
@Override
protected void onDraw(Canvas canvas) {
canvas.drawBitmap(mBitmap, 0, 0, null);
}

/** Returns the bitmap.
*
* @return
*/
public Bitmap getBitmap() {
return mBitmap;
}

/** Sets the bitmap.
*
* @param bitmap
*/
public void setBitmap(Bitmap bitmap) {

// Just in case....
if (bitmap == null)
return;

this.mBitmap = bitmap;
this.invalidate();

}

}

}