我有一个TextView
在图像的右侧。我试图在图像旁边放置一些长文本,但该文本应通过在末尾添加“...”自动结束。然而,这是行不通的。我使用这个布局:
<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginBottom="8dp"
android:layout_marginLeft="8dp"
android:layout_marginRight="8dp"
android:layout_marginTop="8dp">
<ImageView
android:id="@+id/file_icon"
android:layout_width="250px"
android:layout_height="250px"
android:layout_gravity="center"
android:clickable="true"
android:scaleType="centerInside"
android:src="@drawable/ic_launcher"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintTop_toTopOf="parent" />
<TextView
android:id="@+id/file_title"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:ellipsize="end"
android:maxLines="1"
android:text="This is a very long title and I hope I have the dots to break it"
android:textAppearance="@style/TextAppearance.AppCompat.Medium"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintBottom_toTopOf="@+id/file_type"
app:layout_constraintVertical_chainStyle="packed"
app:layout_constraintStart_toEndOf="@+id/file_icon"
app:layout_constraintWidth_default="wrap"/>
<TextView
android:id="@+id/file_type"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="8dp"
android:text="Type"
android:textAppearance="@style/TextAppearance.AppCompat.Small"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintTop_toBottomOf="@+id/file_title"
app:layout_constraintLeft_toRightOf="@+id/file_icon" />
<ImageView
android:id="@+id/file_download"
android:layout_width="40dp"
android:layout_height="40dp"
android:layout_gravity="center"
android:clickable="true"
android:scaleType="centerInside"
android:src="@drawable/ic_action_download"
app:layout_constraintTop_toBottomOf="@+id/file_title"
app:layout_constraintRight_toRightOf="parent" />
结果是这样的:
为什么长文本没有省略,以致“...”出现在末尾?我读过了this https://stackoverflow.com/questions/45983394/android-constraintlayout-ellipsize-end-for-large-text and this https://stackoverflow.com/questions/40410786/constraintlayout-chains-and-text-ellipsis-image-on-the-right/43414504发布,但它对我不起作用。有人能帮我一下吗?
Use app:layout_constraintEnd_toEndOf="parent"
给你的file_title
TextView
Try this
<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginBottom="8dp"
android:layout_marginLeft="8dp"
android:layout_marginRight="8dp"
android:layout_marginTop="8dp">
<ImageView
android:id="@+id/file_icon"
android:layout_width="250px"
android:layout_height="250px"
android:layout_gravity="center"
android:clickable="true"
android:scaleType="centerInside"
android:src="@drawable/abc"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintTop_toTopOf="parent" />
<TextView
android:id="@+id/file_title"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:ellipsize="end"
android:maxLines="1"
android:text="This is a very long title and I hope I have the dots to break it"
android:textAppearance="@style/TextAppearance.AppCompat.Medium"
app:layout_constraintBottom_toTopOf="@+id/file_type"
app:layout_constraintStart_toEndOf="@+id/file_icon"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_chainStyle="packed"
app:layout_constraintEnd_toEndOf="parent"
/>
<TextView
android:id="@+id/file_type"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="8dp"
android:text="Type"
android:textAppearance="@style/TextAppearance.AppCompat.Small"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintLeft_toRightOf="@+id/file_icon"
app:layout_constraintTop_toBottomOf="@+id/file_title" />
<ImageView
android:id="@+id/file_download"
android:layout_width="40dp"
android:layout_height="40dp"
android:layout_gravity="center"
android:clickable="true"
android:scaleType="centerInside"
android:src="@drawable/abc"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintTop_toBottomOf="@+id/file_title" />
</android.support.constraint.ConstraintLayout>
OUTPUT
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