我有一个单选按钮,需要放在收音机组的中央。以编程方式将单选按钮对齐到收音机组中心
这里是我的代码:
RadioImageButton RadioImageButton = new RadioImageButton(activity);
RadioImageButton.setGravity(Gravity.CENTER);
RadioImageButton.setId(buttonId);
RadioImageButton.setTextColor(Color.BLACK);
RadioImageButton.setButtonDrawable(icon); // this is where i am replacing the default circle with an image
RadioImageButton.setBackgroundDrawable(drawable);
RadioGroup.LayoutParams radioImageButtonParams = new RadioGroup.LayoutParams(LinearLayout.LayoutParams.MATCH_PARENT,
LinearLayout.LayoutParams.MATCH_PARENT, 1f);
radioImageButtonParams.setMargins(0, 0, 1, 0);
RadioGroup.addView(RadioImageButton, radioImageButtonParams);
在RadioImageButton类
Drawable image;
public RadioImageButton(Context context) {
super(context);
setButtonDrawable(android.R.color.transparent);
}
@Override
protected void onDraw(Canvas canvas) {
super.onDraw(canvas);
if (image != null) {
image.setState(getDrawableState());
final int verticalGravity = getGravity() & Gravity.VERTICAL_GRAVITY_MASK;
final int height = image.getIntrinsicHeight();
int y = 0;
switch (verticalGravity) {
case Gravity.BOTTOM:
y = getHeight() - height;
break;
case Gravity.CENTER_VERTICAL:
y = (getHeight() - height)/2;
break;
}
int buttonWidth = image.getIntrinsicWidth();
int buttonLeft = (getWidth() - buttonWidth)/3;
image.setBounds(buttonLeft, y, buttonLeft + buttonWidth, y + height);
image.draw(canvas);
}
}
目前它是这样的:
radiobutton ------ text
文本仅放置在中心,但不单选按钮我想要文本和单选按钮机器人h被放置在中心。
您可以使用无线电集团的重心与中心与右侧或左侧任何你想要的 –
@sunil我试过了,它不会工作 – Goofy
RadioImageButton.setButtonDrawable(图标);不要传递按钮内的图标,而是通过组合可绘制方法传递它,如果任何一个单选按钮它将表现良好。 RadioImageButton.setCompoundDrawablesWithIntrinsicBounds(left,top,right,bottom) –