Java 类android.graphics.drawable.shapes.RoundRectShape 实例源码

public static Bitmap roundBitmap(Bitmap bitmap, int i, int i2, float f, float f2, float f3,
                                 float f4) throws Throwable {
    int width = bitmap.getWidth();
    int height = bitmap.getHeight();
    Rect rect = new Rect(0, 0, width, height);
    Bitmap createBitmap = (width == i && height == i2) ? Bitmap.createBitmap(bitmap.getWidth
            (), bitmap.getHeight(), Config.ARGB_8888) : Bitmap.createBitmap(i, i2, Config
            .ARGB_8888);
    Canvas canvas = new Canvas(createBitmap);
    Paint paint = new Paint();
    Rect rect2 = new Rect(0, 0, i, i2);
    paint.setAntiAlias(true);
    canvas.drawARGB(0, 0, 0, 0);
    paint.setColor(-12434878);
    float[] fArr = new float[]{f, f, f2, f2, f3, f3, f4, f4};
    ShapeDrawable shapeDrawable = new ShapeDrawable(new RoundRectShape(fArr, new RectF(0.0f,
            0.0f, 0.0f, 0.0f), fArr));
    shapeDrawable.setBounds(rect2);
    shapeDrawable.draw(canvas);
    paint.setXfermode(new PorterDuffXfermode(Mode.SRC_IN));
    canvas.drawBitmap(bitmap, rect, rect2, paint);
    return createBitmap;
}

public static Drawable getCornerDrawable(float topLeft,
                                         float topRight,
                                         float bottomLeft,
                                         float bottomRight,
                                          @ColorInt int color) {

    float[] outerR = new float[8];
    outerR[0] = topLeft;
    outerR[1] = topLeft;
    outerR[2] = topRight;
    outerR[3] = topRight;
    outerR[4] = bottomRight;
    outerR[5] = bottomRight;
    outerR[6] = bottomLeft;
    outerR[7] = bottomLeft;

    ShapeDrawable drawable = new ShapeDrawable();
    drawable.setShape(new RoundRectShape(outerR, null, null));
    drawable.getPaint().setColor(color);

    return drawable;
}

private Drawable createRectDrawable(int color) {
    RoundRectShape shape = new RoundRectShape(
            new float[]{
                    mCornerRadius,
                    mCornerRadius,
                    mCornerRadius,
                    mCornerRadius,
                    mCornerRadius,
                    mCornerRadius,
                    mCornerRadius,
                    mCornerRadius
            },
            null,
            null);
    ShapeDrawable shapeDrawable = new ShapeDrawable(shape);
    shapeDrawable.getPaint().setColor(color);
    return shapeDrawable;
}

private Drawable createRectDrawable(int color) {
    RoundRectShape shape = new RoundRectShape(
            new float[]{
                    mCornerRadius,
                    mCornerRadius,
                    mCornerRadius,
                    mCornerRadius,
                    mCornerRadius,
                    mCornerRadius,
                    mCornerRadius,
                    mCornerRadius
            },
            null,
            null);
    ShapeDrawable shapeDrawable = new ShapeDrawable(shape);
    shapeDrawable.getPaint().setColor(color);
    return shapeDrawable;
}

@Override
public void onBindViewHolder(MyViewHolder holder, int position) {
    RestTest restTest = datas.get(position);
    RoundRectShape shape = new RoundRectShape(new float[]{8, 8, 8, 8, 8, 8, 8, 8}, null, null);
    ShapeDrawable drawable = new ShapeDrawable(shape);

    String color = "6bbd5b";
    switch (restTest.getMethod().toUpperCase()) {
        case "GET":
            break;
        case "POST":
            color = "248fb2";
            break;
        case "DELETE":
            color = "e27a7a";
            break;
        case "PUT":
            color = "9b708b";
            break;
    }
    drawable.getPaint().setColor(Color.parseColor("#" + color));
    holder.tv.setBackground(drawable);
    holder.tv.setText(restTest.getMethod().toUpperCase());

    holder.spec.setText(restTest.getUrl());
}

private static Drawable getBackground(int normalStateColor,
    int pressedStateColor) {
  StateListDrawable background = new StateListDrawable();
  int c = SizeUtil.dp10;
  float[] r = new float[] {c, c, c, c, c, c, c, c};
  RoundRectShape rr = new RoundRectShape(r, null, null);
  ShapeDrawable cd = new ShapeDrawable();
  cd.setShape(rr);
  cd.getPaint().setColor(pressedStateColor);
  background.addState(new int[] {android.R.attr.state_pressed,
      android.R.attr.state_focused}, cd);
  background.addState(new int[] {-android.R.attr.state_pressed,
      android.R.attr.state_focused}, cd);
  background.addState(new int[] {android.R.attr.state_pressed,
      -android.R.attr.state_focused}, cd);
  ShapeDrawable cd1 = new ShapeDrawable();
  cd1.setShape(rr);
  cd1.getPaint().setColor(normalStateColor);
  background.addState(new int[] {-android.R.attr.state_pressed,
      -android.R.attr.state_focused}, cd1);
  return background;
}

private Drawable createRectDrawable(int color) {
    RoundRectShape shape = new RoundRectShape(
            new float[]{
                    mCornerRadius,
                    mCornerRadius,
                    mCornerRadius,
                    mCornerRadius,
                    mCornerRadius,
                    mCornerRadius,
                    mCornerRadius,
                    mCornerRadius
            },
            null,
            null);
    ShapeDrawable shapeDrawable = new ShapeDrawable(shape);
    shapeDrawable.getPaint().setColor(color);
    return shapeDrawable;
}

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;
}

private Drawable createRectDrawable(int color) {
    RoundRectShape shape = new RoundRectShape(
            new float[]{
                    mCornerRadius,
                    mCornerRadius,
                    mCornerRadius,
                    mCornerRadius,
                    mCornerRadius,
                    mCornerRadius,
                    mCornerRadius,
                    mCornerRadius
            },
            null,
            null);
    ShapeDrawable shapeDrawable = new ShapeDrawable(shape);
    shapeDrawable.getPaint().setColor(color);
    return shapeDrawable;
}

void setCornerRadius(View view, int radius, int color) {
    radius = _DP(radius);
    int borderWidth = 0;// 加边框后会出现空心圆角矩形的效果，所以设置为0
    float[] outerRadius = new float[8];
    float[] innerRadius = new float[8];
    for (int i = 0; i < 8; i++) {
        outerRadius[i] = radius + borderWidth;
        innerRadius[i] = radius;
    }
    ShapeDrawable shapeDrawable = // 创建图形drawable
            new ShapeDrawable(
                    // 创建圆角矩形
                    new RoundRectShape(outerRadius,
                            new RectF(borderWidth, borderWidth, borderWidth, borderWidth),
                            innerRadius));
    shapeDrawable.getPaint().setColor(color);// 使用指定的颜色绘制，即背景颜色
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
        // 高版本SDK使用新的API
        view.setBackground(shapeDrawable);
    } else {
        view.setBackgroundDrawable(shapeDrawable);
    }
}

private static RoundRectShape getShape(ATableView tableView, ATableViewCellBackgroundStyle backgroundStyle) {
    ATableViewStyle tableStyle = tableView.getStyle();

    float[] radius = new float[]{0, 0, 0, 0, 0, 0, 0, 0};
    if (tableStyle == ATableViewStyle.Grouped) {
        Resources res = tableView.getResources();

        float radii = Math.round(res.getDimension(R.dimen.atv_grouped_stroke_radius));
        if (backgroundStyle == ATableViewCellBackgroundStyle.Single) {
            radius = new float[]{radii, radii, radii, radii, radii, radii, radii, radii};
        } else if (backgroundStyle == ATableViewCellBackgroundStyle.Top) {
            radius = new float[]{radii, radii, radii, radii, 0, 0, 0, 0};
        } else if (backgroundStyle == ATableViewCellBackgroundStyle.Bottom) {
            radius = new float[]{0, 0, 0, 0, radii, radii, radii, radii};
        }
    }

    return new RoundRectShape(radius, null, null);
}

private void setShape() {
  ShapeDrawable drawable = new ShapeDrawable();
  // Set color of drawable.
  drawable.getPaint().setColor((backgroundColor == Component.COLOR_DEFAULT)
                               ? SHAPED_DEFAULT_BACKGROUND_COLOR : backgroundColor);
  // Set shape of drawable.
  switch (shape) {
    case Component.BUTTON_SHAPE_ROUNDED:
      drawable.setShape(new RoundRectShape(ROUNDED_CORNERS_ARRAY, null, null));
      break;
    case Component.BUTTON_SHAPE_RECT:
      drawable.setShape(new RectShape());
      break;
    case Component.BUTTON_SHAPE_OVAL:
      drawable.setShape(new OvalShape());
      break;
    default:
      throw new IllegalArgumentException();
  }
  // Set drawable to the background of the button.
  view.setBackgroundDrawable(drawable);
  view.invalidate();
}

/**
 * Generate bg drawable drawable.
 *
 * @param pressColor   the press color
 * @param defaultColor the default color
 * @return the drawable
 */
public static Drawable generateRoundDrawable(float radii, int pressColor, int defaultColor) {
    //圆角
    Shape roundRectShape = new RoundRectShape(new float[]{radii, radii, radii, radii, radii, radii, radii, radii}, null, null);//圆角背景

    //按下状态
    ShapeDrawable shopDrawablePress = new ShapeDrawable(roundRectShape);//圆角shape
    shopDrawablePress.getPaint().setColor(pressColor);//设置颜色

    //正常状态
    ShapeDrawable shopDrawableNormal = new ShapeDrawable(roundRectShape);
    shopDrawableNormal.getPaint().setColor(defaultColor);

    StateListDrawable bgStateDrawable = new StateListDrawable();//状态shape
    bgStateDrawable.addState(new int[]{android.R.attr.state_pressed}, shopDrawablePress);//按下状态
    bgStateDrawable.addState(new int[]{-android.R.attr.state_enabled}, shopDrawablePress);
    bgStateDrawable.addState(new int[]{}, shopDrawableNormal);//其他状态

    return bgStateDrawable;
}

public static Drawable generateRoundDrawable(float radii, int pressColor, int disableColor, int defaultColor) {
    //圆角
    Shape roundRectShape = new RoundRectShape(new float[]{radii, radii, radii, radii, radii, radii, radii, radii}, null, null);//圆角背景

    //按下状态
    ShapeDrawable shopDrawablePress = new ShapeDrawable(roundRectShape);//圆角shape
    shopDrawablePress.getPaint().setColor(pressColor);//设置颜色

    //正常状态
    ShapeDrawable shopDrawableNormal = new ShapeDrawable(roundRectShape);
    shopDrawableNormal.getPaint().setColor(defaultColor);

    //禁用状态
    ShapeDrawable disableDrawableNormal = new ShapeDrawable(roundRectShape);
    disableDrawableNormal.getPaint().setColor(disableColor);

    StateListDrawable bgStateDrawable = new StateListDrawable();//状态shape
    bgStateDrawable.addState(new int[]{-android.R.attr.state_enabled}, disableDrawableNormal);//
    bgStateDrawable.addState(new int[]{android.R.attr.state_pressed}, shopDrawablePress);//按下状态
    bgStateDrawable.addState(new int[]{}, shopDrawableNormal);//其他状态

    return bgStateDrawable;
}

/**
 * Generate bg drawable drawable.
 *
 * @param radii        the radii
 * @param pressColor   the press color
 * @param defaultColor the default color
 * @return the drawable
 */
public static Drawable generateRoundDrawable(Resources res, float radii, int pressColor, int defaultColor) {

    radii = dpToPx(res, radii);

    //外环的圆角矩形
    float[] outRadii = new float[]{radii, radii, radii, radii, radii, radii, radii, radii};//四个角的 圆角幅度,8个可以设置的值,每个角都有2个边 2*4=8个

    //按下状态
    Shape roundRectShape = new RoundRectShape(outRadii, null, null);//圆角背景
    ShapeDrawable shopDrawablePress = new ShapeDrawable(roundRectShape);//圆角shape
    shopDrawablePress.getPaint().setColor(pressColor);//设置颜色

    //正常状态
    Shape roundRectShapeNormal = new RoundRectShape(outRadii, null, null);
    ShapeDrawable shopDrawableNormal = new ShapeDrawable(roundRectShapeNormal);
    shopDrawableNormal.getPaint().setColor(defaultColor);

    StateListDrawable bgStateDrawable = new StateListDrawable();//状态shape
    bgStateDrawable.addState(new int[]{android.R.attr.state_pressed}, shopDrawablePress);//按下状态
    bgStateDrawable.addState(new int[]{}, shopDrawableNormal);//其他状态

    return bgStateDrawable;
}

public static Drawable generateRoundDrawable(float rL1, float rL2, float rT1, float rT2,
                                             float rR1, float rR2, float rB1, float rB2,
                                             int pressColor, int defaultColor) {
    //外环的圆角矩形
    float[] outRadii = new float[]{rL1, rL2, rT1, rT2, rR1, rR2, rB1, rB2};//四个角的 圆角幅度,8个可以设置的值,每个角都有2个边 2*4=8个

    //与内环的距离
    RectF inset = new RectF(0, 0, 0, 0);

    //按下状态
    Shape roundRectShape = new RoundRectShape(outRadii, inset, null);//圆角背景
    ShapeDrawable shopDrawablePress = new ShapeDrawable(roundRectShape);//圆角shape
    shopDrawablePress.getPaint().setColor(pressColor);//设置颜色

    //正常状态
    Shape roundRectShapeNormal = new RoundRectShape(outRadii, inset, null);
    ShapeDrawable shopDrawableNormal = new ShapeDrawable(roundRectShapeNormal);
    shopDrawableNormal.getPaint().setColor(defaultColor);

    StateListDrawable bgStateDrawable = new StateListDrawable();//状态shape
    bgStateDrawable.addState(new int[]{android.R.attr.state_pressed}, shopDrawablePress);//按下状态
    bgStateDrawable.addState(new int[]{}, shopDrawableNormal);//其他状态

    return bgStateDrawable;
}

public static Drawable generateRoundDrawable(float radiiL, float radiiR, int pressColor, int defaultColor) {
    //外环的圆角矩形
    float[] outRadii = new float[]{radiiL, radiiL, radiiR, radiiR, radiiR, radiiR, radiiL, radiiL};//四个角的 圆角幅度,8个可以设置的值,每个角都有2个边 2*4=8个

    //与内环的距离
    RectF inset = new RectF(0, 0, 0, 0);

    //按下状态
    Shape roundRectShape = new RoundRectShape(outRadii, inset, null);//圆角背景
    ShapeDrawable shopDrawablePress = new ShapeDrawable(roundRectShape);//圆角shape
    shopDrawablePress.getPaint().setColor(pressColor);//设置颜色

    //正常状态
    Shape roundRectShapeNormal = new RoundRectShape(outRadii, inset, null);
    ShapeDrawable shopDrawableNormal = new ShapeDrawable(roundRectShapeNormal);
    shopDrawableNormal.getPaint().setColor(defaultColor);

    StateListDrawable bgStateDrawable = new StateListDrawable();//状态shape
    bgStateDrawable.addState(new int[]{android.R.attr.state_pressed}, shopDrawablePress);//按下状态
    bgStateDrawable.addState(new int[]{}, shopDrawableNormal);//其他状态

    return bgStateDrawable;
}

/**
 * 正常 圆角边框;
 * 按下 圆角色块
 */
public static Drawable generateBorderDrawable(float radii, float borderWidth, int pressColor, int defaultColor) {

    //外环的圆角矩形
    float[] outRadii = new float[]{radii, radii, radii, radii, radii, radii, radii, radii};//四个角的 圆角幅度,8个可以设置的值,每个角都有2个边 2*4=8个
    RectF inset = new RectF(borderWidth, borderWidth, borderWidth, borderWidth);

    //按下状态
    Shape roundRectShape = new RoundRectShape(outRadii, null, null);//圆角背景
    ShapeDrawable shopDrawablePress = new ShapeDrawable(roundRectShape);//圆角shape
    shopDrawablePress.getPaint().setColor(pressColor);//设置颜色

    //正常状态
    Shape roundRectShapeNormal = new RoundRectShape(outRadii, inset, outRadii);
    ShapeDrawable shopDrawableNormal = new ShapeDrawable(roundRectShapeNormal);
    shopDrawableNormal.getPaint().setColor(defaultColor);

    StateListDrawable bgStateDrawable = new StateListDrawable();//状态shape
    bgStateDrawable.addState(new int[]{android.R.attr.state_pressed}, shopDrawablePress);//按下状态
    bgStateDrawable.addState(new int[]{}, shopDrawableNormal);//其他状态

    return bgStateDrawable;
}

private static Bitmap toRoundCornerMutableBitmap(Canvas canvas, Paint paintClear, Bitmap srcBitmap, float[] roundRadius) {
    canvas.setBitmap(srcBitmap);
    RectF inset = new RectF(1, 1, 1, 1);
    if (roundRadius.length == 2) {
        float[] tmpRoundRadius = new float[8];
        for (int i = 0; i < 4; ++i) {
            tmpRoundRadius[i * 2 + 0] = roundRadius[0];
            tmpRoundRadius[i * 2 + 1] = roundRadius[1];
            roundRadius = tmpRoundRadius;
        }
    }
    canvas.save();
    canvas.translate(-1, -1);
    RoundRectShape roundRectShape = new RoundRectShape(null, inset, roundRadius);
    roundRectShape.resize(srcBitmap.getWidth() + 2, srcBitmap.getHeight() + 2);
    roundRectShape.draw(canvas, paintClear);
    canvas.restore();
    canvas.setBitmap(null);
    return srcBitmap;
}

private Drawable createRectDrawable(int color) {
    RoundRectShape shape = new RoundRectShape(
            new float[]{
                    mCornerRadius,
                    mCornerRadius,
                    mCornerRadius,
                    mCornerRadius,
                    mCornerRadius,
                    mCornerRadius,
                    mCornerRadius,
                    mCornerRadius
            },
            null,
            null);
    ShapeDrawable shapeDrawable = new ShapeDrawable(shape);
    shapeDrawable.getPaint().setColor(color);
    return shapeDrawable;
}

void setCornerRadius(View view, int radius, int color) {
    radius = _DP(radius);
    int borderWidth = 0;// 加边框后会出现空心圆角矩形的效果，所以设置为0
    float[] outerRadius = new float[8];
    float[] innerRadius = new float[8];
    for (int i = 0; i < 8; i++) {
        outerRadius[i] = radius + borderWidth;
        innerRadius[i] = radius;
    }
    ShapeDrawable shapeDrawable = // 创建图形drawable
            new ShapeDrawable(
                    // 创建圆角矩形
                    new RoundRectShape(outerRadius,
                            new RectF(borderWidth, borderWidth, borderWidth, borderWidth),
                            innerRadius));
    shapeDrawable.getPaint().setColor(color);// 使用指定的颜色绘制，即背景颜色
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
        // 高版本SDK使用新的API
        view.setBackground(shapeDrawable);
    } else {
        view.setBackgroundDrawable(shapeDrawable);
    }
}

private Drawable createRectDrawable(int color) {
    RoundRectShape shape = new RoundRectShape(
            new float[]{
                    mCornerRadius,
                    mCornerRadius,
                    mCornerRadius,
                    mCornerRadius,
                    mCornerRadius,
                    mCornerRadius,
                    mCornerRadius,
                    mCornerRadius
            },
            null,
            null);
    ShapeDrawable shapeDrawable = new ShapeDrawable(shape);
    shapeDrawable.getPaint().setColor(color);
    return shapeDrawable;
}

public void setThemeBackground(int color, int colorPressed) {
    int radius = DensityUtil.dip2px(getContext(), 2);
    float[] radii = new float[]{radius, radius, radius, radius, radius, radius, radius, radius};

    StateListDrawable states = new StateListDrawable();

    RoundRectShape disableShape = new RoundRectShape(radii, null, null);
    ShapeDrawable disableDrawable = new ShapeDrawable(disableShape);
    disableDrawable.getPaint().setColor(getResources().getColor(R.color.material_grey_300));
    states.addState(new int[]{-android.R.attr.state_enabled}, disableDrawable);

    RoundRectShape pressedShape = new RoundRectShape(radii, null, null);
    ShapeDrawable pressedDrawable = new ShapeDrawable(pressedShape);
    pressedDrawable.getPaint().setColor(colorPressed);
    states.addState(new int[]{android.R.attr.state_pressed}, pressedDrawable);

    RoundRectShape normalShape = new RoundRectShape(radii, null, null);
    ShapeDrawable normalDrawable = new ShapeDrawable(normalShape);
    normalDrawable.getPaint().setColor(color);
    states.addState(new int[]{-android.R.attr.state_pressed}, normalDrawable);

    setBackgroundDrawable(states);
}

private Drawable createRectDrawable(int color) {
    RoundRectShape shape = new RoundRectShape(
            new float[] {
                    mCornerRadius,
                    mCornerRadius,
                    mCornerRadius,
                    mCornerRadius,
                    mCornerRadius,
                    mCornerRadius,
                    mCornerRadius,
                    mCornerRadius
            },
            null,
            null
    );
    ShapeDrawable shapeDrawable = new ShapeDrawable(shape);
    shapeDrawable.getPaint().setColor(color);
    return shapeDrawable;
}

@NonNull
private ShapeDrawable getShapeDrawable(int topLeftAndRightRadius, int bottomLeftAndRightRadius, int bgColor) {
    float outRectr[] = new float[]{
            topLeftAndRightRadius, topLeftAndRightRadius,
            topLeftAndRightRadius, topLeftAndRightRadius,
            bottomLeftAndRightRadius, bottomLeftAndRightRadius,
            bottomLeftAndRightRadius, bottomLeftAndRightRadius};
    /**
     * 注意StateListDrawable的构造方法我们这里使用的
     * 是第一参数它是一个float的数组保存的是圆角的半径，它是按照top-left顺时针保存的八个值
     */
    //创建圆弧形状
    RoundRectShape rectShape = new RoundRectShape(outRectr, null, null);
    //创建drawable
    ShapeDrawable pressedDrawable = new ShapeDrawable(rectShape);
    //设置背景的颜色
    pressedDrawable.getPaint().setColor(bgColor);
    return pressedDrawable;
}

private static Drawable generateBackgroundDrawable() {
    final int r = 0;
    final float[] outerR = new float[]{r, r, r, r, r, r, r, r};
    final int color = Color.parseColor("#228BC34A");

    RoundRectShape rr = new RoundRectShape(outerR, null, null);

    ShapeDrawable drawable = new ShapeDrawable(rr);
    drawable.setShaderFactory(new ShapeDrawable.ShaderFactory() {
        @Override
        public Shader resize(int width, int height) {
            return new LinearGradient(0, 0, 0, 0, color, color, Shader.TileMode.REPEAT);
        }
    });
    return drawable;
}

private static Drawable createButtonShape(Context context, int color) {
    // Translation of Lollipop's xml button-bg definition to Java
    int paddingH = DensityUtil.dip2px(context, 8);
    int paddingV = DensityUtil.dip2px(context, 4);
    int insetH = DensityUtil.dip2px(context, 4);
    int insetV = DensityUtil.dip2px(context, 6);
    int corner_radius = DensityUtil.dip2px(context, 2);
    float[] outerRadii = new float[8];
    Arrays.fill(outerRadii, corner_radius);

    RoundRectShape r = new RoundRectShape(outerRadii, null, null);

    ShapeDrawable shapeDrawable = new ShapeDrawable(r);
    shapeDrawable.getPaint().setColor(color);
    shapeDrawable.setPadding(paddingH, paddingV, paddingH, paddingV);

    return new InsetDrawable(shapeDrawable,
            insetH, insetV, insetH, insetV);
}

public static Drawable createBgDrawable(int color, int rTopLeft,
                                        int rTopRight, int rBottomRight,
                                        int rBottomLeft) {
    float[] outerRadii = new float[8];
    outerRadii[0] = rTopLeft;
    outerRadii[1] = rTopLeft;
    outerRadii[2] = rTopRight;
    outerRadii[3] = rTopRight;
    outerRadii[4] = rBottomRight;
    outerRadii[5] = rBottomRight;
    outerRadii[6] = rBottomLeft;
    outerRadii[7] = rBottomLeft;

    RoundRectShape r = new RoundRectShape(outerRadii, null, null);

    ShapeDrawable shapeDrawable = new ShapeDrawable(r);
    shapeDrawable.getPaint().setColor(color);

    return shapeDrawable;
}

private RoundRectShape buildRect(ToggleSwitchButton toggleSwitchButton) {
    if (isFirst(toggleSwitchButton))
        return new RoundRectShape(
                new float[]{cornerRadius, cornerRadius, 0, 0, 0, 0, cornerRadius, cornerRadius},
                null,
                null);
    else if (isLast(toggleSwitchButton))
        return new RoundRectShape(
                new float[]{0, 0, cornerRadius, cornerRadius, cornerRadius, cornerRadius, 0, 0},
                null,
                null);
    else
        return new RoundRectShape(
                new float[]{0, 0, 0, 0, 0, 0, 0, 0},
                null,
                null);
}

private static Drawable createButtonShape(Context context, int color) {
    // Translation of Lollipop's xml button-bg definition to Java
    int paddingH = context.getResources()
            .getDimensionPixelSize(R.dimen.button_padding_horizontal_material);
    int paddingV = context.getResources()
            .getDimensionPixelSize(R.dimen.button_padding_vertical_material);
    int insetH = context.getResources()
            .getDimensionPixelSize(R.dimen.button_inset_horizontal_material);
    int insetV = context.getResources()
            .getDimensionPixelSize(R.dimen.button_inset_vertical_material);

    float[] outerRadii = new float[8];
    Arrays.fill(outerRadii, CORNER_RADIUS);

    RoundRectShape r = new RoundRectShape(outerRadii, null, null);

    ShapeDrawable shapeDrawable = new ShapeDrawable(r);
    shapeDrawable.getPaint().setColor(color);
    shapeDrawable.setPadding(paddingH, paddingV, paddingH, paddingV);

    return new InsetDrawable(shapeDrawable,
            insetH, insetV, insetH, insetV);
}

public static Drawable createBgDrawable(int color, int rTopLeft,
                                        int rTopRight, int rBottomRight,
                                        int rBottomLeft) {
    float[] outerRadii = new float[8];
    outerRadii[0] = rTopLeft;
    outerRadii[1] = rTopLeft;
    outerRadii[2] = rTopRight;
    outerRadii[3] = rTopRight;
    outerRadii[4] = rBottomRight;
    outerRadii[5] = rBottomRight;
    outerRadii[6] = rBottomLeft;
    outerRadii[7] = rBottomLeft;

    RoundRectShape r = new RoundRectShape(outerRadii, null, null);

    ShapeDrawable shapeDrawable = new ShapeDrawable(r);
    shapeDrawable.getPaint().setColor(color);

    return shapeDrawable;
}

private ShapeDrawable getDotBackground() {
    ShapeDrawable drawable = null;
    switch (mode) {
        case ROUND_RECT:
            int radius = dip2Pixels(dotRadius);
            float[] outerRect = new float[] { radius, radius, radius, radius, radius, radius, radius, radius };

            RoundRectShape rr = new RoundRectShape(outerRect, null, null);
            drawable = new InnerShapeDrawableWithText(rr, dotText);
            drawable.getPaint().setColor(dotColor);
            break;
        case CIRCLE:
            OvalShape os = new OvalShape();
            drawable = new InnerShapeDrawableWithText(os, dotText);
            drawable.getPaint().setColor(dotColor);
            //                int paddingPixels = dip2Pixels(8);
            //                drawable.setPadding(paddingPixels, paddingPixels, paddingPixels,
            //                        paddingPixels);
            break;
    }

    return drawable;
}

public CustomToast(Context context) {
    // 此处必须是ApplicationContext，因为Activity退出也可以显示
    context = context.getApplicationContext();

    windowManager = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
    rootView = new LinearLayout(context);

    // 背景设置为圆角矩形
    float r = 10;
    float[] outerR = new float[] { r, r, r, r, r, r, r, r };
    RoundRectShape rr = new RoundRectShape(outerR, null, null);
    ShapeDrawable drawable = new ShapeDrawable(rr);
    drawable.getPaint().setColor(Color.BLACK);

    int a = UIUtil.dip2px(context, 10);
    drawable.setPadding(a, a, a, a);

    rootView.setBackgroundDrawable(drawable);
}

@NonNull
private ShapeDrawable getShapeDrawable(int topLeftAndRightRadius, int bottomLeftAndRightRadius, int bgColor) {
    float outRectr[] = new float[]{
            topLeftAndRightRadius, topLeftAndRightRadius,
            topLeftAndRightRadius, topLeftAndRightRadius,
            bottomLeftAndRightRadius, bottomLeftAndRightRadius,
            bottomLeftAndRightRadius, bottomLeftAndRightRadius};
    /**
     * 注意StateListDrawable的构造方法我们这里使用的
     * 是第一参数它是一个float的数组保存的是圆角的半径，它是按照top-left顺时针保存的八个值
     */
    //创建圆弧形状
    RoundRectShape rectShape = new RoundRectShape(outRectr, null, null);
    //创建drawable
    ShapeDrawable pressedDrawable = new ShapeDrawable(rectShape);
    //设置背景的颜色
    pressedDrawable.getPaint().setColor(bgColor);
    return pressedDrawable;
}

private Drawable createRectDrawable(int color) {
    RoundRectShape shape = new RoundRectShape(
            new float[]{
                    mCornerRadius,
                    mCornerRadius,
                    mCornerRadius,
                    mCornerRadius,
                    mCornerRadius,
                    mCornerRadius,
                    mCornerRadius,
                    mCornerRadius
            },
            null,
            null);
    ShapeDrawable shapeDrawable = new ShapeDrawable(shape);
    shapeDrawable.getPaint().setColor(color);
    return shapeDrawable;
}

private Drawable createRectDrawable(int color) {
    RoundRectShape shape = new RoundRectShape(
            new float[]{
                    mCornerRadius,
                    mCornerRadius,
                    mCornerRadius,
                    mCornerRadius,
                    mCornerRadius,
                    mCornerRadius,
                    mCornerRadius,
                    mCornerRadius
            },
            null,
            null);
    ShapeDrawable shapeDrawable = new ShapeDrawable(shape);
    shapeDrawable.getPaint().setColor(color);
    return shapeDrawable;
}

private static Drawable createButtonShape(Context context, int color) {
    // Translation of Lollipop's xml button-bg definition to Java
    int paddingH = context.getResources()
            .getDimensionPixelSize(R.dimen.button_padding_horizontal_material);
    int paddingV = context.getResources()
            .getDimensionPixelSize(R.dimen.button_padding_vertical_material);
    int insetH = context.getResources()
            .getDimensionPixelSize(R.dimen.button_inset_horizontal_material);
    int insetV = context.getResources()
            .getDimensionPixelSize(R.dimen.button_inset_vertical_material);

    float[] outerRadii = new float[8];
    Arrays.fill(outerRadii, CORNER_RADIUS);

    RoundRectShape r = new RoundRectShape(outerRadii, null, null);

    ShapeDrawable shapeDrawable = new ShapeDrawable(r);
    shapeDrawable.getPaint().setColor(color);
    shapeDrawable.setPadding(paddingH, paddingV, paddingH, paddingV);

    return new InsetDrawable(shapeDrawable,
            insetH, insetV, insetH, insetV);
}

public static Drawable createBgDrawable(int color, int rTopLeft,
                                        int rTopRight, int rBottomRight,
                                        int rBottomLeft) {
    float[] outerRadii = new float[8];
    outerRadii[0] = rTopLeft;
    outerRadii[1] = rTopLeft;
    outerRadii[2] = rTopRight;
    outerRadii[3] = rTopRight;
    outerRadii[4] = rBottomRight;
    outerRadii[5] = rBottomRight;
    outerRadii[6] = rBottomLeft;
    outerRadii[7] = rBottomLeft;

    RoundRectShape r = new RoundRectShape(outerRadii, null, null);

    ShapeDrawable shapeDrawable = new ShapeDrawable(r);
    shapeDrawable.getPaint().setColor(color);

    return shapeDrawable;
}

private Drawable createRectDrawable(int color) {
    RoundRectShape shape = new RoundRectShape(
            new float[]{
                    mCornerRadius,
                    mCornerRadius,
                    mCornerRadius,
                    mCornerRadius,
                    mCornerRadius,
                    mCornerRadius,
                    mCornerRadius,
                    mCornerRadius
            },
            null,
            null);
    ShapeDrawable shapeDrawable = new ShapeDrawable(shape);
    shapeDrawable.getPaint().setColor(color);
    return shapeDrawable;
}

private Drawable createRectDrawable(int color) {
    RoundRectShape shape = new RoundRectShape(
            new float[]{
                    mCornerRadius,
                    mCornerRadius,
                    mCornerRadius,
                    mCornerRadius,
                    mCornerRadius,
                    mCornerRadius,
                    mCornerRadius,
                    mCornerRadius
            },
            null,
            null);
    ShapeDrawable shapeDrawable = new ShapeDrawable(shape);
    shapeDrawable.getPaint().setColor(color);
    return shapeDrawable;
}