这是LoginPage.java
public abstract class LoginPage extends AppCompatActivity implements OnClickListener {
private EditText etEmailUser;
private EditText etPassword;
private Button bLogin;
private TextView tvRegisterHere;
private CheckBox btRememberME;
private Button bForgotpassword;
private FirebaseAuth mAuth;
private FirebaseAuth.AuthStateListener mAuthListener;
private static final int RC_SIGN_IN = 0;
/**
* ATTENTION: This was auto-generated to implement the App Indexing API.
* See https://g.co/AppIndexing/AndroidStudio for more information.
*/
private GoogleApiClient client;
private SharedPreferences loginPreferences;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_login);
FirebaseAuth auth = FirebaseAuth.getInstance();
if (auth.getCurrentUser() != null) {
//user already logged in
} else {
startActivityForResult(AuthUI.getInstance()
.createSignInIntentBuilder()
.setProviders(
AuthUI.FACEBOOK_PROVIDER)
.build(), RC_SIGN_IN);
mAuth = FirebaseAuth.getInstance();
EditText etEmail = (EditText) findViewById(R.id.etEmailUser);
EditText etPassword = (EditText) findViewById(R.id.etPassword);
CheckBox saveLoginCheckBox;
final TextView registerLink = (TextView) findViewById(R.id.tvRegisterHere);
registerLink.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
Intent registerIntent = new Intent(LoginPage.this, register.class);
LoginPage.this.startActivity(registerIntent);
}
});
Button bLogin = (Button) findViewById(R.id.bLogin);
mAuthListener = new FirebaseAuth.AuthStateListener() {
@Override
public void onAuthStateChanged(@NonNull FirebaseAuth firebaseAuth) {
if (firebaseAuth.getCurrentUser() != null) {
startActivity(new Intent(LoginPage.this, HybridActivity.class));
}
}
};
bLogin.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
startSignIn();
}
});
// ATTENTION: This was auto-generated to implement the App Indexing API.
// See https://g.co/AppIndexing/AndroidStudio for more information.
client = new GoogleApiClient.Builder(this).addApi(AppIndex.API).build();
}
}
public void startSignIn() {
String email = etEmailUser.getText().toString();
String password = etPassword.getText().toString();
if (TextUtils.isEmpty(email) || TextUtils.isEmpty(password)) {
} else {
mAuth.signInWithEmailAndPassword(email, password).addOnCompleteListener(new OnCompleteListener<AuthResult>() {
@Override
public void onComplete(@NonNull Task<AuthResult> task) {
if (task.isSuccessful()) {
Toast.makeText(LoginPage.this, "Sign in problem", Toast.LENGTH_LONG).show();
}
}
});
}
}
public Action getIndexApiAction() {
Thing object = new Thing.Builder()
.setName("LoginPage Page") // TODO: Define a title for the content shown.
// TODO: Make sure this auto-generated URL is correct.
.setUrl(Uri.parse("http://[ENTER-YOUR-URL-HERE]"))
.build();
return new Action.Builder(Action.TYPE_VIEW)
.setObject(object)
.setActionStatus(Action.STATUS_TYPE_COMPLETED)
.build();
}
@Override
public void onStart() {
super.onStart();
mAuth.addAuthStateListener(mAuthListener);
// ATTENTION: This was auto-generated to implement the App Indexing API.
// See https://g.co/AppIndexing/AndroidStudio for more information.
client.connect();
AppIndex.AppIndexApi.start(client, getIndexApiAction());
}
@Override
public void onStop() {
super.onStop();
// ATTENTION: This was auto-generated to implement the App Indexing API.
// See https://g.co/AppIndexing/AndroidStudio for more information.
AppIndex.AppIndexApi.end(client, getIndexApiAction());
client.disconnect();
}
}
这是XML文件。在我的Spashscreen类加载后，我似乎无法在此网站https://www.firebase.com/docs/web/api/firebase/resetpassword.html上找到任何教程来创建复选框，忘记密码按钮并使用Facebook按钮登录。我的编码有问题吗？
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/activity_main"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
android:paddingBottom="@dimen/activity_vertical_margin"
tools:context="com.example.stormy.greenfrogcafe.LoginPage">
<Button
android:text="Forgot Password"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/bForgotpassword"
android:layout_alignParentBottom="true"
android:layout_alignParentLeft="true"
android:layout_alignParentStart="true"
android:layout_alignParentRight="true"
android:layout_alignParentEnd="true" />
<ImageView
android:layout_width="match_parent"
android:layout_height="match_parent"
app:srcCompat="@drawable/frog"
android:layout_centerHorizontal="true"
android:id="@+id/imageView3"
android:layout_above="@+id/etEmailUser"
android:layout_alignParentTop="true" />
<EditText
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:inputType="textEmailAddress"
android:ems="10"
android:id="@+id/etEmailUser"
android:hint="email "
android:layout_above="@+id/login_button"
android:layout_alignParentLeft="true"
android:layout_alignParentStart="true"
android:layout_marginBottom="144dp"
android:layout_alignParentRight="true"
android:layout_alignParentEnd="true" />
<com.facebook.login.widget.LoginButton
android:id="@+id/login_button"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_horizontal"
android:layout_marginBottom="27dp"
android:layout_above="@+id/bForgotpassword"
android:layout_centerHorizontal="true" />
<EditText
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:inputType="textPassword"
android:ems="10"
android:id="@+id/etPassword"
android:hint="password"
android:layout_below="@+id/imageView3"
android:layout_alignParentLeft="true"
android:layout_alignParentStart="true"
android:layout_marginTop="46dp"
android:layout_alignParentRight="true"
android:layout_alignParentEnd="true" />
<Button
android:text="Login"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/bLogin"
android:layout_below="@+id/etPassword"
android:layout_alignParentRight="true"
android:layout_alignParentEnd="true"
android:layout_alignParentLeft="true"
android:layout_alignParentStart="true" />
<TextView
android:text="Register Here"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/tvRegisterHere"
android:layout_below="@+id/bLogin"
android:layout_toRightOf="@+id/btRememberMe"
android:layout_toEndOf="@+id/btRememberMe"
android:layout_marginLeft="28dp"
android:layout_marginStart="28dp" />
<CheckBox
android:text="Remember Me"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/btRememberMe"
android:textSize="10sp"
android:checked="true"
android:layout_below="@+id/bLogin"
android:layout_alignParentLeft="true"
android:layout_alignParentStart="true" />
</RelativeLayout>