1
Salut j'ai ce layout
et j'essaie d'appeler la fonction de connexion viewmodel
de la layout
sur le clic sur button
mais il n'appelle pas.méthode de connexion n'appelle pas en utilisant la liaison de données dans android
Est-ce que quelqu'un sait quel problème? Comment le résoudre?
activity_login.xml
<layout>
<data>
<variable
name="loginViewModel"
type="com.app.android.login.LoginViewModel" />
</data>
<ScrollView 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:layout_width="match_parent"
android:layout_height="match_parent"
android:fillViewport="true"
tools:context="com.app.android.login.LoginActivity"
tools:ignore="missingPrefix">
<android.support.constraint.ConstraintLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:paddingBottom="@dimen/default_view_margin_bottom_8dp">
<android.support.design.widget.TextInputLayout
android:id="@+id/til_login_email"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginEnd="@dimen/default_view_margin_right_8dp"
android:layout_marginStart="@dimen/default_view_margin_left_8dp"
android:textColorHint="@color/colorSecondaryText"
app:hintTextAppearance="@style/AppTheme.InputLayoutStyle"
app:layout_constraintBottom_toTopOf="@+id/til_login_password"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_chainStyle="packed">
<android.support.design.widget.TextInputEditText
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:hint="@string/login_email"
android:imeOptions="actionNext"
android:singleLine="true"
android:text="@={loginViewModel.email}"
android:textColor="@color/colorPrimaryText" />
</android.support.design.widget.TextInputLayout>
<android.support.design.widget.TextInputLayout
android:id="@+id/til_login_password"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginEnd="@dimen/default_view_margin_right_8dp"
android:layout_marginStart="@dimen/default_view_margin_left_8dp"
android:textColorHint="@color/colorSecondaryText"
app:hintTextAppearance="@style/AppTheme.InputLayoutStyle"
app:layout_constraintBottom_toTopOf="@+id/btn_login_login"
app:layout_constraintTop_toBottomOf="@+id/til_login_email"
app:layout_constraintVertical_chainStyle="packed">
<android.support.design.widget.TextInputEditText
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:hint="@string/login_password"
android:imeOptions="actionDone"
android:singleLine="true"
android:text="@={loginViewModel.password}"
android:textColor="@color/colorPrimaryText" />
</android.support.design.widget.TextInputLayout>
<Button
android:id="@+id/btn_login_login"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginEnd="@dimen/default_view_margin_right_8dp"
android:layout_marginStart="@dimen/default_view_margin_left_8dp"
android:layout_marginTop="48dp"
android:onClick="@{loginViewModel.login}"
android:text="@string/login_btn_text"
android:textColor="@color/colorWhite"
app:layout_constraintBottom_toTopOf="@+id/textview_login_forgot_password"
app:layout_constraintTop_toBottomOf="@+id/til_login_password"
app:layout_constraintVertical_chainStyle="packed" />
<TextView
android:id="@+id/textview_login_forgot_password"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginEnd="@dimen/default_view_margin_right_8dp"
android:layout_marginStart="@dimen/default_view_margin_left_8dp"
android:layout_marginTop="36dp"
android:gravity="center"
android:text="@string/login_forgot_password"
app:layout_constraintBottom_toTopOf="@+id/btn_login_register"
app:layout_constraintTop_toBottomOf="@+id/btn_login_login"
app:layout_constraintVertical_chainStyle="packed" />
<Button
android:id="@+id/btn_login_register"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginEnd="@dimen/default_view_margin_right_8dp"
android:layout_marginStart="@dimen/default_view_margin_left_8dp"
android:text="@string/login_sign_up"
android:textColor="@color/colorWhite"
app:layout_constraintBottom_toBottomOf="parent" />
</android.support.constraint.ConstraintLayout>
</ScrollView>
</layout>
LoginActivity.kt
class LoginActivity : BaseActivity(), LoginNavigator {
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
val activityLoginBinding: ActivityLoginBinding = DataBindingUtil.setContentView<ActivityLoginBinding>(this, R.layout.activity_login)
}
override fun startHomeActivity() {
TODO("not implemented") //To change body of created functions use File | Settings | File Templates.
}
override fun startRegistrationActivity() {
TODO("not implemented") //To change body of created functions use File | Settings | File Templates.
}
override fun startForgotPasswordActivity() {
TODO("not implemented") //To change body of created functions use File | Settings | File Templates.
}
override fun handleError(throwable: Throwable) {
TODO("not implemented") //To change body of created functions use File | Settings | File Templates.
}
}
LoginViewModel.kt
class LoginViewModel : AnkoLogger {
val email = ObservableField<String>()
val password = ObservableField<String>()
fun login(view: View) {
val viewVisibility: Int = view.visibility
info { viewVisibility }
info {
"${email} and ${password}"
}
}
/**
* Validate email and password. It checks email and password is empty or not
* and validate email address is correct or not
* @param email email address for login
* @param password password for login
* @return true if email and password pass all conditions else false
*/
fun isEmailAndPasswordValid(email: String, password: String): Boolean {
if (email.isEmpty()) return false
if (!Patterns.EMAIL_ADDRESS.matcher(email).matches()) return false
if (password.isEmpty()) return false
return true
}
}