Android:MotionLayout无法将视图可见性设置为“消失”,视图保持可见
我的布局是MotionLayout,它必须是我定义了motionscene约束集开始和结束的框架布局。它们的动画设置正确 然后在这个动画框架下,我添加了两个文本视图,点击后我试图隐藏一个并显示另一个,但两个都保持可见Android:MotionLayout无法将视图可见性设置为“消失”,视图保持可见,android,android-motionlayout,Android,Android Motionlayout,我的布局是MotionLayout,它必须是我定义了motionscene约束集开始和结束的框架布局。它们的动画设置正确 然后在这个动画框架下,我添加了两个文本视图,点击后我试图隐藏一个并显示另一个,但两个都保持可见 <!-- No Account Line --> <TextView android:id="@+id/noAccountTextView" android:layout_width="wrap_content"
<!-- No Account Line -->
<TextView
android:id="@+id/noAccountTextView"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/no_account_question"
android:fontFamily="@font/avenirnext_demibold"
android:textSize="15sp"
android:textColor="@color/black"
tools:ignore="MissingConstraints" />
<TextView
android:id="@+id/signupTextView"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/signup_answer"
android:fontFamily="@font/avenirnext_demibold"
android:textSize="15sp"
android:textColor="@color/colorAccent"
android:selectAllOnFocus="false"
android:linksClickable="false"
android:autoLink="all"
android:clickable="true"
tools:ignore="MissingConstraints" />
<TextView
android:id="@+id/nowTextView"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/now_answer"
android:fontFamily="@font/avenirnext_demibold"
android:textSize="15sp"
android:textColor="@color/black"
tools:ignore="MissingConstraints" />
<androidx.constraintlayout.helper.widget.Flow
android:id="@+id/noAccountLine"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
app:flow_horizontalGap="8dp"
app:constraint_referenced_ids="noAccountTextView, signupTextView, nowTextView"
app:layout_constraintVertical_bias="1.0"
android:layout_marginBottom="16dp"
android:visibility="visible"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintBottom_toBottomOf="parent"
/>
<!-- No Account Line -->
<!-- Have Account Line -->
<TextView
android:id="@+id/haveAccountTextView"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/have_account_question"
android:fontFamily="@font/avenirnext_demibold"
android:textSize="15sp"
android:textColor="@color/black"
tools:ignore="MissingConstraints" />
<TextView
android:id="@+id/loginTextView"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/log_in_answer"
android:fontFamily="@font/avenirnext_demibold"
android:textSize="15sp"
android:textColor="@color/colorAccent"
android:selectAllOnFocus="false"
android:linksClickable="false"
android:autoLink="all"
android:clickable="true"
tools:ignore="MissingConstraints" />
<TextView
android:id="@+id/insteadTextView"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/instead_answer"
android:fontFamily="@font/avenirnext_demibold"
android:textSize="15sp"
android:textColor="@color/black"
tools:ignore="MissingConstraints" />
<androidx.constraintlayout.helper.widget.Flow
android:id="@+id/haveAccountLine"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
app:flow_horizontalGap="8dp"
app:constraint_referenced_ids="haveAccountTextView, loginTextView, insteadTextView"
app:layout_constraintVertical_bias="1.0"
android:layout_marginBottom="16dp"
android:visibility="gone"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintBottom_toBottomOf="parent"
/>
同样,在注释掉代码后,它也不起作用。我可以让MotionLayout跳过一些视图吗?或者我需要添加另一个布局嵌套?您需要在文件layoutDescription of motionLayout中创建一个约束,并设置visibilityMode=“ignore”。 像
signupTextView.setOnClickListener {
//authenticationFragment.transitionToEnd()
//isFrontCard = false
/*
val transition: Transition = Fade()
transition.setDuration(350)
transition.addTarget(R.id.noAccountLine)
transition.addTarget(R.id.haveAccountLine)
TransitionManager.beginDelayedTransition(authenticationFragment, transition)
*/
noAccountLine.isGone = true
haveAccountLine.isVisible = true
}
<Constraint
android:id="your view in motion layout"
app:visibilityMode="ignore"
/>