Android Drawable工具类

来源：互联网发布：工程项目管理软件源码编辑：程序博客网时间：2024/06/07 14:23
收录整理的一些Drawable用法，包含：
- Drawable 着色
- Drawable 圆角矩形
- Drawable 选择器
package com.skx.tomike.util;import android.content.res.ColorStateList;import android.graphics.drawable.Drawable;import android.graphics.drawable.GradientDrawable;import android.graphics.drawable.StateListDrawable;import android.os.Build;import android.support.annotation.ColorInt;import android.support.annotation.NonNull;import android.support.v4.graphics.drawable.DrawableCompat;/** * Drawable 工具类 * * @author shiguotao */public class SkxDrawableHelper {    //------------------------------- Drawable 着色 start --------------------------------------    /**     * 对目标Drawable 进行着色     *     * @param drawable 目标Drawable     * @param color    着色的颜色值     * @return 着色处理后的Drawable     */    public static Drawable tintDrawable(@NonNull Drawable drawable, int color) {        // 获取此drawable的共享状态实例        Drawable wrappedDrawable = getCanTintDrawable(drawable);        // 对 drawable 进行着色        DrawableCompat.setTint(wrappedDrawable, color);        return wrappedDrawable;    }    /**     * 对目标Drawable 进行着色     *     * @param drawable 目标Drawable     * @param colors   着色值     * @return 着色处理后的Drawable     */    public static Drawable tintListDrawable(@NonNull Drawable drawable, ColorStateList colors) {        Drawable wrappedDrawable = getCanTintDrawable(drawable);        // 对 drawable 进行着色        DrawableCompat.setTintList(wrappedDrawable, colors);        return wrappedDrawable;    }    /**     * 获取可以进行tint 的Drawable     * <p>     * 对原drawable进行重新实例化  newDrawable()     * 包装  warp()     * 可变操作 mutate()     *     * @param drawable 原始drawable     * @return 可着色的drawable     */    @NonNull    private static Drawable getCanTintDrawable(@NonNull Drawable drawable) {        // 获取此drawable的共享状态实例        Drawable.ConstantState state = drawable.getConstantState();        // 对drawable 进行重新实例化、包装、可变操作        return DrawableCompat.wrap(state == null ? drawable : state.newDrawable()).mutate();    }    //------------------------------------- Drawable 着色 end -------------------------------------------    //---------------------------------- Drawable 圆角矩形 start ----------------------------------------    /**     * 获得一个指定填充色，边框宽度、颜色的圆角矩形drawable。     * Android 中 在xml中写的"shape"标签映射对象就是GradientDrawable。     * 通过设置solidColors 和strokeColors 可实现选择器的效果     *     * @param solidColors  填充色     * @param strokeColors 描边色     * @param strokeWidth  描边线宽度     * @param dashWidth    虚线（破折线）的长度（以像素为单位）     * @param dashGap      虚线（破折线）间距，当dashGap=0dp时，为实线     * @param radius       圆角半径     * @return GradientDrawable     */    public static Drawable getShapeDrawable(ColorStateList solidColors,                                            ColorStateList strokeColors, int strokeWidth, float dashWidth, float dashGap,                                            float radius) {        GradientDrawable gradientDrawable = new GradientDrawable();        gradientDrawable.setShape(GradientDrawable.RECTANGLE);        gradientDrawable.setCornerRadius(radius);        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {            gradientDrawable.setColor(solidColors);            //显示一条虚线，破折线的宽度为dashWith，破折线之间的空隙的宽度为dashGap，当dashGap=0dp时，为实线            gradientDrawable.setStroke(strokeWidth, strokeColors, dashWidth, dashGap);        } else {            gradientDrawable.setColor(solidColors.getDefaultColor());            //显示一条虚线，破折线的宽度为dashWith，破折线之间的空隙的宽度为dashGap，当dashGap=0dp时，为实线            gradientDrawable.setStroke(strokeWidth, strokeColors.getDefaultColor(), dashWidth, dashGap);        }        return gradientDrawable;    }    /**     * 获得一个指定填充色，指定描边色的圆角矩形drawable     *     * @param solidColor  填充色     * @param strokeColor 描边色     * @param strokeWidth 描边线宽度     * @param dashWidth   虚线（破折线）宽度     * @param dashGap     虚线（破折线）间距，当dashGap=0dp时，为实线     * @param radius      圆角半径     * @return GradientDrawable     */    public static Drawable getShapeDrawable(@ColorInt int solidColor,                                            @ColorInt int strokeColor, int strokeWidth, float dashWidth, float dashGap,                                            float radius) {        return getShapeDrawable(ColorStateList.valueOf(solidColor),                ColorStateList.valueOf(strokeColor), strokeWidth, dashWidth, dashGap,                radius);    }    /**     * 获得一个指定填充色，指定描边色的圆角矩形drawable     *     * @param solidColors  填充色     * @param strokeColors 描边色     * @param strokeWidth  描边线宽度     * @param radius       圆角半径     * @return GradientDrawable     */    public static Drawable getShapeDrawable(ColorStateList solidColors,                                            ColorStateList strokeColors, int strokeWidth,                                            float radius) {        return getShapeDrawable(solidColors, strokeColors, strokeWidth, 0, 0, radius);    }    /**     * 获得一个指定填充色，指定描边色的圆角矩形drawable     *     * @param solidColor  填充色     * @param strokeColor 描边色     * @param strokeWidth 描边线宽度     * @param radius      圆角半径     * @return GradientDrawable     */    public static Drawable getShapeDrawable(@ColorInt int solidColor,                                            @ColorInt int strokeColor, int strokeWidth,                                            float radius) {        return getShapeDrawable(ColorStateList.valueOf(solidColor), ColorStateList.valueOf(strokeColor), strokeWidth, radius);    }    /**     * 获得一个指定填充颜色，描边颜色的矩形drawable     *     * @param solidColor  填充色     * @param strokeColor 描边色     * @param strokeWidth 描边线宽度     * @return GradientDrawable     */    public static Drawable getShapeDrawable(@ColorInt int solidColor,                                            @ColorInt int strokeColor, int strokeWidth) {        return getShapeDrawable(solidColor, strokeColor, strokeWidth, 0, 0, 0);    }    /**     * 获得一个指定描边颜色的圆角矩形drawable     *     * @param strokeColor 描边色     * @param strokeWidth 描边宽度     * @param radius      圆角半径     * @return GradientDrawable     */    public static Drawable getStrokeShapeDrawable(@ColorInt int strokeColor, int strokeWidth, float radius) {        return getShapeDrawable(0, strokeColor, strokeWidth, radius);    }    /**     * 获得一个指定描边颜色的矩形drawable     *     * @param strokeColor 描边色     * @param strokeWidth 描边宽度     * @return GradientDrawable     */    public static Drawable getStrokeShapeDrawable(@ColorInt int strokeColor, int strokeWidth) {        return getShapeDrawable(0, strokeColor, strokeWidth, 0);    }    /**     * 获得一个指定填充色的圆角矩形drawable     *     * @param solidColor 填充色     * @param radius     圆角半径     * @return GradientDrawable     */    public static Drawable getSolidShapeDrawable(@ColorInt int solidColor, float radius) {        return getShapeDrawable(solidColor, 0, 0, radius);    }    //--------------------------------- Drawable 圆角矩形 end -------------------------------------------    //----------------------------------- Drawable 选择器 start-----------------------------------------    /**     * 获得一个选择器Drawable.     * Android 中 在xml中写的"selector"标签映射对象就是StateListDrawable 对象     *     * @param defaultDrawable 默认时显示的Drawable     * @param pressedDrawable 按下时显示的Drawable     * @return 选择器Drawable     */    public static StateListDrawable getSelectorDrawable(Drawable defaultDrawable, Drawable pressedDrawable) {        if (defaultDrawable == null) return null;        if (pressedDrawable == null) pressedDrawable = defaultDrawable;        int[][] state = {{-android.R.attr.state_pressed}, {android.R.attr.state_pressed}};        StateListDrawable stateListDrawable = new StateListDrawable();        stateListDrawable.addState(state[0], defaultDrawable);        stateListDrawable.addState(state[1], pressedDrawable);        return stateListDrawable;    }    /**     * 获得一个选择器Drawable.     * Android 中 在xml中写的"selector"标签映射对象就是StateListDrawable 对象     *     * @param defaultColor 默认时显示的颜色     * @param pressedColor 按下时显示的颜色     * @return 选择器Drawable     */    public static StateListDrawable getSelectorDrawable(int defaultColor, int pressedColor, float radius) {        Drawable defaultDrawable = getSolidShapeDrawable(defaultColor, radius);        Drawable pressedDrawable = getSolidShapeDrawable(pressedColor, radius);        return getSelectorDrawable(defaultDrawable, pressedDrawable);    }    //------------------------------- Drawable 选择器 end-------------------------------------------}
阅读全文
1 0