android vertical textview with image next to it [closed]

问题

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Closed 7 years ago.

ive found a lot of info on how to subclass a textview & display the text vertically.

Iam trying to display a star next to the text and iam having problems. maybe you have some ideas on this.

Subclass:

public class VerticalTextView extends TextView
  {
final boolean topDown;

public VerticalTextView( Context context, AttributeSet attrs )
{
    super( context, attrs );
    final int gravity = getGravity();
    if ( Gravity.isVertical( gravity )
            && ( gravity & Gravity.VERTICAL_GRAVITY_MASK ) == Gravity.BOTTOM )
    {
        setGravity( ( gravity & Gravity.HORIZONTAL_GRAVITY_MASK )
                | Gravity.TOP );
        topDown = false;
    }
    else
    {
        topDown = true;
    }
}

@Override
protected void onMeasure( int widthMeasureSpec, int heightMeasureSpec )
{
    super.onMeasure( heightMeasureSpec, widthMeasureSpec );
    setMeasuredDimension( getMeasuredHeight(), getMeasuredWidth() );
}

@Override
protected void onDraw( Canvas canvas )
{
    TextPaint textPaint = getPaint();
    textPaint.setColor( getCurrentTextColor() );
    textPaint.drawableState = getDrawableState();

    canvas.save();

    if ( topDown )
    {
        canvas.translate( getWidth(), 0 );
        canvas.rotate( 90 );
    }
    else
    {
        canvas.translate( 0, getHeight() );
        canvas.rotate( -90 );
    }

    canvas.translate( getCompoundPaddingLeft(), getExtendedPaddingTop() );

    getLayout().draw( canvas );
    canvas.restore();
}

}

and Iam setting the star with this code from my fragment:

ItemTextView.setCompoundDrawablesWithIntrinsicBounds(0, 0, android.R.drawable.btn_star_big_on, 0); 

no star is displayed.only blank space. and ideas???

the subclass is used in a listview. under a specific condition one item of the listview I want to have a star next to it, so **I think i have to do it by code.

回答1:

you can use android:drawableLeft attribute in your xml layout.

http://developer.android.com/reference/android/widget/TextView.html#attr_android:drawableLeft

回答2:

Try to use a TableLayout in your layout xml, and then play with its rows, it's easier than doing it by code.

来源：https://stackoverflow.com/questions/11435170/android-vertical-textview-with-image-next-to-it