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CS123-CanteeneoAndroid
Commit 1cb4f16a authored by Willard's avatar Willard
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Remove unneeded code from LoginActivity

parent 3acf9530
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Showing with 4 additions and 194 deletions
app/src/main/java/com/testapp/LoginActivity.java
View file @ 1cb4f16a
......@@ -4,27 +4,15 @@ import android.animation.Animator;
import android.animation.AnimatorListenerAdapter;
import android.annotation.TargetApi;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.support.annotation.NonNull;
import android.support.design.widget.Snackbar;
import android.support.v7.app.AppCompatActivity;
import android.app.LoaderManager.LoaderCallbacks;
import android.content.CursorLoader;
import android.content.Loader;
import android.database.Cursor;
import android.net.Uri;
import android.os.AsyncTask;
import android.os.Build;
import android.os.Bundle;
import android.provider.ContactsContract;
import android.support.v7.app.AppCompatActivity;
import android.text.TextUtils;
import android.view.KeyEvent;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.inputmethod.EditorInfo;
import android.widget.ArrayAdapter;
import android.widget.AutoCompleteTextView;
import android.widget.Button;
import android.widget.EditText;
......@@ -33,40 +21,14 @@ import android.widget.Toast;
import com.testapp.entities.Token;
import java.util.ArrayList;
import java.util.List;
import retrofit2.Call;
import retrofit2.Callback;
import retrofit2.Response;
import static android.Manifest.permission.READ_CONTACTS;
/**
* A login screen that offers login via email/password.
*/
public class LoginActivity extends AppCompatActivity implements LoaderCallbacks<Cursor> {
public static final String EXTRA_MESSAGE = "com.testapp.MESSAGE";
/**
* Id to identity READ_CONTACTS permission request.
*/
private static final int REQUEST_READ_CONTACTS = 0;
/**
* A dummy authentication store containing known user names and passwords.
* TODO: remove after connecting to a real authentication system.
*/
private static final String[] DUMMY_CREDENTIALS = new String[]{
"foo@example.com:hello", "bar@example.com:world"
};
/**
* Keep track of the login task to ensure we can cancel it if requested.
*/
public class LoginActivity extends AppCompatActivity {
private UserLoginTask mAuthTask = null;
// UI references.
private AutoCompleteTextView mUsernameView;
private EditText mPasswordView;
private View mProgressView;
......@@ -76,9 +38,6 @@ public class LoginActivity extends AppCompatActivity implements LoaderCallbacks<
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_login);
// Set up the login form.
// mEmailView = (AutoCompleteTextView) findViewById(R.id.email);
// populateAutoComplete();
mUsernameView = (AutoCompleteTextView) findViewById(R.id.username);
......@@ -110,106 +69,35 @@ public class LoginActivity extends AppCompatActivity implements LoaderCallbacks<
}
});
Button sampleDishButton = (Button) findViewById(R.id.sample_dish);
sampleDishButton.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View view) {
sampleDish();
}
});
Button sampleStallButton = (Button) findViewById(R.id.sample_stall);
sampleStallButton.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View view) {
sampleStall();
}
});
mLoginFormView = findViewById(R.id.login_form);
mProgressView = findViewById(R.id.login_progress);
}
public void sampleStall() {
Intent intent = new Intent(this, StallViewActivity.class);
startActivity(intent);
}
public void sampleDish() {
Intent intent = new Intent(this, DishViewActivity.class);
startActivity(intent);
}
public void guestLogin() {
Intent intent = new Intent(this, NavDrawerActivity.class);
intent.putExtra(EXTRA_MESSAGE, "Signed in as guest");
startActivity(intent);
}
private void populateAutoComplete() {
if (!mayRequestContacts()) {
return;
}
getLoaderManager().initLoader(0, null, this);
}
private boolean mayRequestContacts() {
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M) {
return true;
}
if (checkSelfPermission(READ_CONTACTS) == PackageManager.PERMISSION_GRANTED) {
return true;
}
return false;
}
/**
* Callback received when a permissions request has been completed.
*/
@Override
public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions,
@NonNull int[] grantResults) {
if (requestCode == REQUEST_READ_CONTACTS) {
if (grantResults.length == 1 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
populateAutoComplete();
}
}
}
/**
* Attempts to sign in or register the account specified by the login form.
* If there are form errors (invalid email, missing fields, etc.), the
* errors are presented and no actual login attempt is made.
*/
private void attemptLogin() {
if (mAuthTask != null) {
return;
}
// Reset errors.
mUsernameView.setError(null);
mPasswordView.setError(null);
// Store values at the time of the login attempt.
String username = mUsernameView.getText().toString();
String password = mPasswordView.getText().toString();
boolean cancel = false;
View focusView = null;
// Check for a valid password, if the user entered one.
if (!TextUtils.isEmpty(password) && !isPasswordValid(password)) {
if (!TextUtils.isEmpty(password)) {
mPasswordView.setError(getString(R.string.error_invalid_password));
focusView = mPasswordView;
cancel = true;
}
// Check for a valid email address.
if (TextUtils.isEmpty(username)) {
mUsernameView.setError(getString(R.string.error_field_required));
focusView = mUsernameView;
......@@ -217,40 +105,19 @@ public class LoginActivity extends AppCompatActivity implements LoaderCallbacks<
}
if (cancel) {
// There was an error; don't attempt login and focus the first
// form field with an error.
focusView.requestFocus();
} else {
// Show a progress spinner, and kick off a background task to
// perform the user login attempt.
showProgress(true);
mAuthTask = new UserLoginTask(username, password);
mAuthTask.execute((Void) null);
Intent intent = new Intent(this, NavDrawerActivity.class);
intent.putExtra(EXTRA_MESSAGE, "Signed in successfully");
startActivity(intent);
}
}
private boolean isEmailValid(String email) {
//TODO: Replace this with your own logic
return email.contains("@");
}
private boolean isPasswordValid(String password) {
//TODO: Replace this with your own logic
return password.length() > 4;
}
/**
* Shows the progress UI and hides the login form.
*/
@TargetApi(Build.VERSION_CODES.HONEYCOMB_MR2)
private void showProgress(final boolean show) {
// On Honeycomb MR2 we have the ViewPropertyAnimator APIs, which allow
// for very easy animations. If available, use these APIs to fade-in
// the progress spinner.
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB_MR2) {
int shortAnimTime = getResources().getInteger(android.R.integer.config_shortAnimTime);
......@@ -272,67 +139,11 @@ public class LoginActivity extends AppCompatActivity implements LoaderCallbacks<
}
});
} else {
// The ViewPropertyAnimator APIs are not available, so simply show
// and hide the relevant UI components.
mProgressView.setVisibility(show ? View.VISIBLE : View.GONE);
mLoginFormView.setVisibility(show ? View.GONE : View.VISIBLE);
}
}
@Override
public Loader<Cursor> onCreateLoader(int i, Bundle bundle) {
return new CursorLoader(this,
// Retrieve data rows for the device user's 'profile' contact.
Uri.withAppendedPath(ContactsContract.Profile.CONTENT_URI,
ContactsContract.Contacts.Data.CONTENT_DIRECTORY), ProfileQuery.PROJECTION,
// Select only email addresses.
ContactsContract.Contacts.Data.MIMETYPE +
" = ?", new String[]{ContactsContract.CommonDataKinds.Email
.CONTENT_ITEM_TYPE},
// Show primary email addresses first. Note that there won't be
// a primary email address if the user hasn't specified one.
ContactsContract.Contacts.Data.IS_PRIMARY + " DESC");
}
@Override
public void onLoadFinished(Loader<Cursor> cursorLoader, Cursor cursor) {
List<String> emails = new ArrayList<>();
cursor.moveToFirst();
while (!cursor.isAfterLast()) {
emails.add(cursor.getString(ProfileQuery.ADDRESS));
cursor.moveToNext();
}
addEmailsToAutoComplete(emails);
}
@Override
public void onLoaderReset(Loader<Cursor> cursorLoader) {
}
private void addEmailsToAutoComplete(List<String> emailAddressCollection) {
//Create adapter to tell the AutoCompleteTextView what to show in its dropdown list.
ArrayAdapter<String> adapter =
new ArrayAdapter<>(LoginActivity.this,
android.R.layout.simple_dropdown_item_1line, emailAddressCollection);
mUsernameView.setAdapter(adapter);
}
private interface ProfileQuery {
String[] PROJECTION = {
ContactsContract.CommonDataKinds.Email.ADDRESS,
ContactsContract.CommonDataKinds.Email.IS_PRIMARY,
};
int ADDRESS = 0;
int IS_PRIMARY = 1;
}
public class UserLoginTask extends AsyncTask<Void, Void, Boolean> {
private final String mUsername;
......@@ -382,4 +193,3 @@ public class LoginActivity extends AppCompatActivity implements LoaderCallbacks<
}
}
}
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