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    <p>Here is a working VerticalSeekBar implementation:</p> <pre><code>package android.widget; import android.content.Context; import android.graphics.Canvas; import android.util.AttributeSet; import android.view.MotionEvent; public class VerticalSeekBar extends SeekBar { public VerticalSeekBar(Context context) { super(context); } public VerticalSeekBar(Context context, AttributeSet attrs, int defStyle) { super(context, attrs, defStyle); } public VerticalSeekBar(Context context, AttributeSet attrs) { super(context, attrs); } protected void onSizeChanged(int w, int h, int oldw, int oldh) { super.onSizeChanged(h, w, oldh, oldw); } @Override protected synchronized void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { super.onMeasure(heightMeasureSpec, widthMeasureSpec); setMeasuredDimension(getMeasuredHeight(), getMeasuredWidth()); } protected void onDraw(Canvas c) { c.rotate(-90); c.translate(-getHeight(), 0); super.onDraw(c); } @Override public boolean onTouchEvent(MotionEvent event) { if (!isEnabled()) { return false; } switch (event.getAction()) { case MotionEvent.ACTION_DOWN: case MotionEvent.ACTION_MOVE: case MotionEvent.ACTION_UP: setProgress(getMax() - (int) (getMax() * event.getY() / getHeight())); onSizeChanged(getWidth(), getHeight(), 0, 0); break; case MotionEvent.ACTION_CANCEL: break; } return true; } } </code></pre> <p>To implement it, create a new class in your project, choosing the right package:</p> <p><img src="https://i.stack.imgur.com/2bp4Z.png" alt=""></p> <p>There, paste the code and save it. Now use it in your XML layout:</p> <pre><code>&lt;android.widget.VerticalSeekBar android:id="@+id/seekBar1" android:layout_width="wrap_content" android:layout_height="200dp" /&gt; </code></pre>
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