Android Animations similar to make marquee vertical

问题

Apologies for this basic question, as I'm a complete novice to Android:

I can make my TextView scroll horizontally on one line.

But what I need is multiple TextViews, which in a marquee fashion all scroll vertically to the bottom of the screen and then back up to the top.

I've been searching for hours and cannot see anything in the android API that seems to do this.

Or is there an animation feature that can accomplish this?

回答1:

refer this GitHub Project it has a wonderful example in it too.

Edit: make your xml some thing like this:

<com.package.project.VerticalMarqueeTextView
android:id="@+id/vmTextView"
android:layout_gravity="center"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/vmtvText"
android:minLines="1"
android:maxLines="10"
android:width="250dp"
android:textColor="@android:color/white"
android:textStyle="bold" />

In your activity class:

private VerticalMarqueeTextView _txtView1; //declare a member variable

In onCreate():

_txtView1 = (VerticalMarqueeTextView) findViewById(R.id.mTextView1);
_txtView1.setMovementMethod(new ScrollingMovementMethod());

And in other activity lifecycle methods:

@Override
protected void onResume() {

    // Start or restart the Marquee if paused.
    if (_txtView1.isPaused()) {
        _txtView1.resumeMarquee();
    }
    super.onResume();
}

@Override
protected void onPause() {

    // Pause the Marquee when the Activity pauses.
    _txtView1.pauseMarquee();
    super.onPause();
}

@Override
protected void onDestroy() {

    _txtView1.stopMarquee();
    super.onDestroy();
}

来源：https://stackoverflow.com/questions/25731123/android-animations-similar-to-make-marquee-vertical