Android之代码设置selector_android 代码创建selector-优快云博客

本文链接：https://blog.youkuaiyun.com/haowei0708/article/details/50622614

本文介绍如何通过设置属性来定制Android中TextView的样式，包括文本颜色、背景、边距、点击效果等，并展示了如何使用状态选择器实现不同的点击状态反馈。

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以一个textView为例：

TextView tv = new TextView(UIUtils.getContext());
            tv.setText(data);
            tv.setTextSize(16);
            tv.setTextColor(Color.WHITE);
            tv.setGravity(Gravity.CENTER);
            tv.setClickable(true);

            int padding = DensityUtil.dip2px(UIUtils.getContext(), 6);
            tv.setPadding(padding, padding, padding, padding);

            GradientDrawable normalDrawable = new GradientDrawable();
            //状态选择器
            StateListDrawable stateListDrawable = new StateListDrawable();


            normalDrawable.setColor(Color.RED);
            normalDrawable.setShape(GradientDrawable.RECTANGLE);
            normalDrawable.setCornerRadius(DensityUtil.dip2px(UIUtils.getContext(), 5));

            //按下时的drawable
            GradientDrawable pressedDrawable = new GradientDrawable();
            pressedDrawable.setColor(Color.DKGRAY);
            pressedDrawable.setShape(GradientDrawable.RECTANGLE);
            pressedDrawable.setCornerRadius(DensityUtil.dip2px(UIUtils.getContext(), 5));
            //给状态选择器添加状态
            stateListDrawable.addState(new int[]{android.R.attr.state_pressed},pressedDrawable);
            stateListDrawable.addState(new int[]{}, normalDrawable);

            tv.setBackgroundDrawable(stateListDrawable);

            tv.setOnClickListener(new View.OnClickListener() {
                @Override
                public void onClick(View v) {
                    Toast.makeText(UIUtils.getContext(), data, Toast.LENGTH_SHORT).show();
                }
            });