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[英]how do I prevent numbers from going to Scientific Notations in my TextView?
[英]How can i prevent textView in constraint view from going of screen
我在约束布局中有一个textview,可将其约束保留在模拟器中。 但是当我在物理电话上运行该应用程序时,textview消失了
这是完整的xml
<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout 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/constraintLayout"
android:layout_width="match_parent"
android:layout_height="wrap_content">
xmlns:app="http://schemas.android.com/apk/res-auto">
<TextView
android:id="@+id/tvTitle"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="@dimen/Text_Margin_Standard"
android:layout_marginTop="@dimen/Text_Margin_Standard"
android:gravity="start"
android:text="Title"
android:textAlignment="textStart"
android:textSize="@dimen/title_large"
app:layout_constraintStart_toEndOf="@+id/imageDeal"
app:layout_constraintTop_toTopOf="parent" />
<ImageView
android:id="@+id/imageDeal"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="@dimen/Text_Margin_Standard"
android:layout_marginTop="@dimen/Text_Margin_Standard"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:srcCompat="@mipmap/ic_launcher"
android:layout_marginLeft="@dimen/Text_Margin_Standard"/>
<TextView
android:id="@+id/tvDescription"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="@dimen/Text_Margin_Standard"
android:layout_marginTop="@dimen/Text_Margin_Standard"
android:text="TextView"
app:layout_constraintStart_toEndOf="@+id/imageDeal"
app:layout_constraintTop_toBottomOf="@+id/tvTitle" />
<TextView
android:id="@+id/tvPrice"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginTop="@dimen/Text_Margin_Standard"
android:layout_marginEnd="@dimen/Text_Margin_Standard"
android:layout_marginBottom="8dp"
android:gravity="end"
android:text="TextView"
android:textColor="@color/colorAccent"
android:textSize="@dimen/text_price"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/tvDescription" />
</androidx.constraintlayout.widget.ConstraintLayout>
从物理设备运行时,具有ID tvprice的Textview是屏幕上显示的内容
将宽度更改为0dp
,这将在编辑器中将其设置为match_constraint
,这意味着TextView在设置其宽度时将遵守其约束。
将width设置为wrap_content
将使TextView根据内容更改其宽度,而与布局宽度无关。
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
android:layout_width="0dp"
用这个替换TextView
<TextView
android:id="@+id/tvDescription"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginStart="16dp"
android:layout_marginTop="16dp"
android:text="TextView"
app:layout_constraintStart_toEndOf="@+id/imageView"
app:layout_constraintTop_toBottomOf="@+id/tvTitle"
app:layout_constraintStart_toStartOf="parent"
android:layout_width="0dp"
android:gravity="end" />
尝试使用相对布局 :
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:clickable="true"
android:padding="8dp">
<ImageView
android:id="@+id/imgRow"
android:layout_width="80dp"
android:layout_height="80dp"
android:layout_alignParentStart="true"
android:src="@drawable/your_image"
android:tint="@color/text_gray" />
<TextView
android:id="@+id/txtTitleRow"
style="@style/TextAppearance.AppCompat.Medium"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:paddingStart="16dp"
android:text="name"
android:textStyle="bold"
android:layout_alignParentTop="true"
android:layout_toRightOf="@+id/imgRow"
android:layout_toLeftOf="@+id/imgArrow"/>
<TextView
android:id="@+id/txtSubtitle"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:paddingStart="16dp"
android:text="subtitle"
android:layout_below="@+id/txtTitleRow"
android:layout_toRightOf="@+id/imgRow"
android:layout_toLeftOf="@+id/imgArrow"/>
<TextView
android:id="@+id/imgArrow"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:padding="4dp"
android:tint="@color/text_black"
android:layout_alignParentEnd="true"/>
</RelativeLayout>
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