How to animate the textview (very very long text )scroll automatically horizontally

Question

I am not interested in Marquee because, in Marquee you can not control the speed of marquee. I have tried to animate the textview but Parent view clips the text at the end e

Answer 1

Here was my SOLUTION

To make the long text inside textview not be cut by parent view or by screen, I have done two things.

First, let textview inside a scroolview like below code

<ScrollView
    android:layout_width="wrap_content"
    android:layout_height="50dp"
    android:layout_centerHorizontal="true">
    <TextView
        android:id="@+id/marquee_text"
        android:layout_width="wrap_content"
        android:layout_height="50dp"
        android:maxLines="1"
        android:textColor="@android:color/black"
        android:textSize="30sp"/>
</ScrollView>

Then, I measure my text size then refine the textview param by doing this.

    marqueeText.setText("my long text");
    Paint textPaint = marqueeText.getPaint();
    String text = marqueeText.getText().toString();//get text
    int width = Math.round(textPaint.measureText(text));//measure the text size
    ViewGroup.LayoutParams params =  marqueeText.getLayoutParams();
    params.width = width;
    marqueeText.setLayoutParams(params); //refine

    DisplayMetrics displaymetrics = new DisplayMetrics();
    getActivity().getWindowManager().getDefaultDisplay().getRealMetrics(displaymetrics);
    int screenWidth = displaymetrics.widthPixels;

    //this is optional. do not scroll if text is shorter than screen width
    //remove this won't effect the scroll
    if (width <= screenWidth) {
        //All text can fit in screen.
        return;
    }
    //set the animation
    TranslateAnimation slide = new TranslateAnimation(0, -width, 0, 0);
    slide.setDuration(20000);
    slide.setRepeatCount(Animation.INFINITE);
    slide.setRepeatMode(Animation.RESTART);
    slide.setInterpolator(new LinearInterpolator());
    marqueeText.startAnimation(slide);

I hope this solution which took me half a day to research can help others who might meet the same problem like me.

Answer 2

Just add this to your textview

<TextView
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:ellipsize="marquee"
    android:textSize="30dp"
    android:focusable="true"
    android:focusableInTouchMode="true"
    android:marqueeRepeatLimit="marquee_forever"
    android:scrollHorizontally="true"
    android:singleLine="true"
    android:text="Your_Text" />

Answer 3

I think you can use translate animation. Something like this

<translate xmlns:android="http://schemas.android.com/apk/res/android"
    android:duration="5000"
    android:fromXDelta="100"
    android:interpolator="@android:anim/linear_interpolator"
    android:repeatCount="infinite"
    android:repeatMode="restart"
    android:toXDelta="-100" />

And add to your textview like this

textview.startAnimation((Animation)AnimationUtils.loadAnimation(Context,R.anim.scroll_animation));

Hope it can help you.

Answer 4

Use this simple way with ellipsize and marquee options using @rajath answer

<TextView
    android:text="Single-line text view that scrolls automatically if the text is too long to fit in the widget" 
    android:singleLine="true"
    android:ellipsize="marquee"
    android:marqueeRepeatLimit ="marquee_forever"
    android:focusable="true"
    android:focusableInTouchMode="true" 
    android:scrollHorizontally="true"
    android:layout_width="wrap_content" 
    android:layout_height="wrap_content"/>

Answer 5

Add this Animation file:

<translate
    android:duration="7000"
    android:fromYDelta="0%p"
    android:interpolator="@android:anim/accelerate_interpolator"
    android:repeatCount="10"
    android:repeatMode="restart"
    android:toYDelta="-100%p" />

/*Put your text view inside scroll*/
        <ScrollView
            android:layout_width="@dimen/dp_size_220"
            android:layout_height="@dimen/dp_size_16"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintLeft_toRightOf="@+id/iv_myra_notification"
            app:layout_constraintRight_toLeftOf="@+id/iv_one_way"
            app:layout_constraintTop_toTopOf="parent">
            <TextView
                android:id="@+id/marquee_text"
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:gravity="left"
                android:text="@{itemData.notification.message}"
                android:textColor="@android:color/black"
                android:textSize="12sp"
                tools:text="bfnfkjnvlen jknjkgnojeng"/>
        </ScrollView>

Answer 6

try this code it will help you out Shri n HERO

<?xml version="1.0" encoding="utf-8"?>
<translate>
    <translate xmlns:android="http://schemas.android.com/apk/res/android"
    android:duration="5000"
    android:fromXDelta="1500"
    android:interpolator="@android:anim/linear_interpolator"
    android:repeatCount="infinite"
    android:repeatMode="restart"
    android:toXDelta="-1250" />

</translate>