public void Init(Activity activity, Facebook fb, String[] permissions)
{
mActivity = activity;
mFb = fb;
mPermissions = permissions;
mHandler = new Handler();
SetBackgroundColor(Color.Transparent);
SetAdjustViewBounds(true);
SetImageResource(fb.IsSessionValid ?
Resource.Drawable.logout_button :
Resource.Drawable.login_button);
DrawableStateChanged();
SessionEvents.AddAuthListener(mSessionListener);
SessionEvents.AddLogoutListener(mSessionListener);
SetOnClickListener(new ButtonOnClickListener(this));
}
/** Called when the activity is first created. */
protected override void OnCreate(Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
if (APP_ID == null)
{
Util.ShowAlert(this, "Warning", "Facebook Applicaton ID must be " +
"specified before running this example: see Example.java");
}
SetContentView(Resource.Layout.main);
mLoginButton = (LoginButton)FindViewById(Resource.Id.login);
mText = (TextView)FindViewById(Resource.Id.txt);
mRequestButton = (Button)FindViewById(Resource.Id.requestButton);
mPostButton = (Button)FindViewById(Resource.Id.postButton);
mDeleteButton = (Button)FindViewById(Resource.Id.deletePostButton);
mUploadButton = (Button)FindViewById(Resource.Id.uploadButton);
mFacebook = new Facebook(APP_ID);
mAsyncRunner = new AsyncFacebookRunner(mFacebook);
SessionStore.Restore(mFacebook, this);
SessionEvents.AddAuthListener(new SampleAuthListener(this));
SessionEvents.AddLogoutListener(new SampleLogoutListener(this));
mLoginButton.Init(this, mFacebook);
mRequestButton.Click += delegate {
mAsyncRunner.Request("me", new SampleRequestListener(this));
};
mRequestButton.Visibility = mFacebook.IsSessionValid ?
ViewStates.Visible :
ViewStates.Invisible;
mUploadButton.Click += async delegate {
Bundle parameters = new Bundle();
parameters.PutString("method", "photos.upload");
URL uploadFileUrl = null;
try {
uploadFileUrl = new URL(
"http://www.facebook.com/images/devsite/iphone_connect_btn.jpg");
} catch (MalformedURLException e) {
e.PrintStackTrace();
}
try {
HttpURLConnection conn = (HttpURLConnection)uploadFileUrl.OpenConnection();
conn.DoInput = true;
await conn.ConnectAsync();
int length = conn.ContentLength;
byte[] imgData = new byte[length];
var ins = conn.InputStream;
await ins.ReadAsync(imgData, 0, imgData.Length);
parameters.PutByteArray("picture", imgData);
} catch (IOException e) {
e.PrintStackTrace();
}
mAsyncRunner.Request(null, parameters, "POST",
new SampleUploadListener(this), null);
};
mUploadButton.Visibility = mFacebook.IsSessionValid ?
ViewStates.Visible :
ViewStates.Invisible;
mPostButton.Click += delegate {
mFacebook.Dialog(this, "feed",
new SampleDialogListener(this));
};
mPostButton.Visibility = mFacebook.IsSessionValid ?
ViewStates.Visible :
ViewStates.Invisible;
}