MediaActivity.java 文件源码

private StateListDrawable createDefaultOverButtonBgDrawable() {
    int dp12 = (int) ThemeUtils.applyDimensionDp(this, 12.f);
    int dp8 = (int) ThemeUtils.applyDimensionDp(this, 8.f);
    float dp4 = ThemeUtils.applyDimensionDp(this, 4.f);
    float[] round = new float[]{dp4, dp4, dp4, dp4, dp4, dp4, dp4, dp4};
    ShapeDrawable pressedDrawable = new ShapeDrawable(new RoundRectShape(round, null, null));
    pressedDrawable.setPadding(dp12, dp8, dp12, dp8);
    int pressedColor = ThemeUtils.resolveColor(this, R.attr.gallery_toolbar_over_button_pressed_color, R.color.gallery_default_toolbar_over_button_pressed_color);
    pressedDrawable.getPaint().setColor(pressedColor);

    int normalColor = ThemeUtils.resolveColor(this, R.attr.gallery_toolbar_over_button_normal_color, R.color.gallery_default_toolbar_over_button_normal_color);
    ShapeDrawable normalDrawable = new ShapeDrawable(new RoundRectShape(round, null, null));
    normalDrawable.setPadding(dp12, dp8, dp12, dp8);
    normalDrawable.getPaint().setColor(normalColor);

    StateListDrawable stateListDrawable = new StateListDrawable();
    stateListDrawable.addState(new int[]{android.R.attr.state_pressed}, pressedDrawable);
    stateListDrawable.addState(new int[]{}, normalDrawable);

    return stateListDrawable;
}