CODEWITHSUNDEEP
androidtextview
androfan
androfan

Reputation: 253

too long text in textview - show only ending part

I've got a TextView. When multi-line text inside is short and fit to available space I set gravity to top:

tv.setGravity(Gravity.TOP);

When the text is longer than space in TV I'd like to show only the end of text by:

tv.setGravity(Gravity.BOTTOM);

Layout:

    <RelativeLayout
        android:id="@+id/textLayout"
        android:layout_marginTop="16dp"
        android:layout_width="fill_parent"
        android:layout_height="110dp"
        android:orientation="vertical"
        android:visibility="visible" >

        <TextView
            android:id="@+id/tv"
            android:layout_width="match_parent"
            android:layout_height="fill_parent"
            android:layout_alignParentLeft="true"
            android:layout_alignParentTop="true"
            android:gravity="top"
            android:text="Long text bla bla."
            android:textColor="@android:color/black"
            android:textColorHint="@android:color/black"
            android:textSize="37sp" />

       ...

    </RelativeLayout>

What is the simplest solution to check if text (in many lines) is longer than available space (I don't want to hardcode number of lines because size is different for different screens)? Is there any indicator?

Upvotes: 0

Views: 4194

Answers (2)

AwadKab
AwadKab

Reputation: 3064

Try put TextVew in LinearLayout and compare textview height with linearlayout height.

Like this

<RelativeLayout
        android:id="@+id/textLayout"
        android:layout_marginTop="16dp"
        android:layout_width="fill_parent"
        android:layout_height="110dp"
        android:orientation="vertical"
        android:visibility="visible" >

<LinearLayout 
        android:id ="@+id/linear"
        android:layout_width="match_parent"
        android:layout_height="fill_parent"
        android:orientation="horizontal">

        <TextView
            android:id="@+id/text"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_alignParentLeft="true"
            android:layout_alignParentTop="true"
            android:gravity="top"
            android:text="Long text bla bla."
            android:textColor="@android:color/black"
            android:textColorHint="@android:color/black"
            android:textSize="37sp" />

To compare between theme :

if(text.getHeight()>linear.getHeight()){
            //Here TextView longer than available space
        }

Hope this helped you.

Upvotes: 1

David Manpearl
David Manpearl

Reputation: 12656

Rather than changing the gravity in order to force display of the end of the text, I suggest that you use ellipsis with the dots at the start so that the end of your text will display.

Example:

    <TextView
        android:ellipsize="start"
        android:id="@+id/tv"
        android:layout_width="match_parent"
        android:layout_height="fill_parent"
        android:layout_alignParentLeft="true"
        android:layout_alignParentTop="true"
        android:gravity="top"
        android:text="Long text bla bla."
        android:textColor="@android:color/black"
        android:textColorHint="@android:color/black"
        android:textSize="37sp" />

You may also end up choosing some of the other android:ellipsize options such as "middle" and "marquee". See: TextView:android:ellipsize

Upvotes: 1

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