我想将我的 textview 设置为 -90 度意味着我必须这样显示它!我必须在单一线性布局中显示 8 个 TextView 。我可以旋转,但我只能看到一个 TextView 。请谁能帮我举个例子。
提前致谢。
public class AngledTextView extends TextView
{
public AngledTextView(Context context, AttributeSet attrs)
{
super(context, attrs);
}
@Override
protected void onDraw(Canvas canvas)
{ // Save the current matrix
canvas.save();
// Rotate this View at its center
canvas.rotate(270,this.getWidth()/2, this.getHeight() /2);
// Draw it
super.onDraw(canvas);
// Restore to the previous matrix
canvas.restore();
}
}
最佳答案
对于垂直的 TextView,我使用了以下代码并且它运行良好。
public class VerticleTextView extends TextView {
final boolean topDown;
public VerticleTextView(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();
}
}
关于android - 将整个 Textview 旋转 -90 度,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/12833891/