我有一个活动类的对象,如下所示:
CustomPaint customCanvasPaint=(CustomPaint) dialog.findViewById(R.id.customCanvasPaint);
如何将此对象传递给类,如下所示:
public class CustomPaint extends CanvasView {
public CustomPaint(Context context) {
super(context);
initialize(context);
}
public CustomPaint(Context context, AttributeSet attrs) {
super(context, attrs);
initialize(context);
}
public void initialize(Context context){
LayoutInflater inflater=(LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
View view=inflater.inflate(R.layout.custom_paint,null);
CanvasView canvasView = (CanvasView) view.findViewById(R.id.customCanvasView);
canvasView.setPaintStrokeColor(Color.RED);
canvasView.setPaintStrokeWidth(12f);
}
}
我希望在初始化方法中自定义对象,但绘制颜色和绘制宽度不会更改。
我该怎么做?
谢谢您。
最佳答案
public class CustomPaint extends CanvasView {
CanvasView mCanvasView;
public CustomPaint(Context context,CanvasView canvasView) {
super(context);
this.mCanvasView = canvasView;
initialize(context);
}
public CustomPaint(Context context, AttributeSet attrs,CanvasView canvasView) {
super(context, attrs);
this.mCanvasView = canvasView;
initialize(context);
}
public void initialize(Context context){
canvasView.setPaintStrokeColor(Color.RED);
canvasView.setPaintStrokeWidth(12f);
}
}
形成活动
CanvasView canvasPaint=(CanvasView) dialog.findViewById(R.id.canvasPaint);
CustomPaint mCustomPaint = new CustomPaint(this,canvasPaint);
关于android - 将 Activity 对象传递给Android中的非 Activity 类,我们在Stack Overflow上找到一个类似的问题:https://stackoverflow.com/questions/45408133/