Android 以编程方式创建ShapeDrawable
我试图以编程方式创建ShapeDrawable,但下面的代码没有显示任何内容Android 以编程方式创建ShapeDrawable,android,drawable,Android,Drawable,我试图以编程方式创建ShapeDrawable,但下面的代码没有显示任何内容 ImageView image = new ImageView (context); image.setLayoutParams (new LayoutParams (200, 200)); ShapeDrawable badge = new ShapeDrawable (new OvalShape()); badge.setBounds (0, 0, 200, 200); badge.getPaint().setCo
ImageView image = new ImageView (context);
image.setLayoutParams (new LayoutParams (200, 200));
ShapeDrawable badge = new ShapeDrawable (new OvalShape());
badge.setBounds (0, 0, 200, 200);
badge.getPaint().setColor(Color.RED);
ImageView image = new ImageView (context);
image.setImageDrawable (badge);
addView (image);
我可以让它与xml一起工作
<?xml version="1.0" encoding="utf-8"?>
<shape
xmlns:android="http://schemas.android.com/apk/res/android"
android:shape="oval">
<size
android:width="200px"
android:height="200px" />
<solid
android:color="#F00" />
</shape>
ImageView image = new ImageView (context);
image.setLayoutParams (new LayoutParams (200, 200));
image.setImageResource (R.drawable.badge);
addView (image);
ImageView图像=新的ImageView(上下文);
image.setLayoutParams(新的LayoutParams(200200));
image.setImageResource(R.drawable.badge);
addView(图像);
但是我想用编程的方式创建它。xml工作得很好,所以问题不可能出在ImageView上,它必须在创建ShapeDrawable时出现。您可能需要创建一个扩展ShapeDrawable的类来覆盖
onDraw
,然后创建类的实例
示例:(-查看链接了解完整示例)
使用
setIntrinsicWidth
和setIntrinsicHeight
而不是setBounds
来设置宽度和高度
ImageView image = new ImageView (context);
image.setLayoutParams (new LayoutParams (200, 200));
ShapeDrawable badge = new ShapeDrawable (new OvalShape());
badge.setIntrinsicWidth (200);
badge.setIntrinsicHeight (200);
badge.getPaint().setColor(Color.RED);
image.setImageDrawable (badge);
addView (image);
是否尝试为imageview设置布局边界?请添加有关将图像视图添加到的布局的信息,这是什么意思?ImageView图像=新的ImageView(上下文);第二次?
ImageView image = new ImageView (context);
image.setLayoutParams (new LayoutParams (200, 200));
ShapeDrawable badge = new ShapeDrawable (new OvalShape());
badge.setIntrinsicWidth (200);
badge.setIntrinsicHeight (200);
badge.getPaint().setColor(Color.RED);
image.setImageDrawable (badge);
addView (image);