Spidermonkey字节码文档(Spidermonkey bytecode documentation)

 您可以使用自定义Drawable实现此目的。 就像是： 
 
public class BackgroundColorDrawable extends Drawable {

    private Paint paint;
    private RectF rectF;
    private float cornerRadius = 20f;
    private float borderThickness = 3.5f;
    private int insetColour = Color.GREEN;

    public BackgroundColorDrawable() {

        paint = new Paint();
        paint.setAntiAlias(true);
        rectF = new RectF();
    }

    public void setInsetColour(int insetColour) {
        this.insetColour = insetColour;
        invalidateSelf();
    }

    public void setBorderThickness(float borderThickness) {
        this.borderThickness = borderThickness;
        invalidateSelf();
    }

    public void setCornerRadius(float cornerRadius) {
        this.cornerRadius = cornerRadius;
        invalidateSelf();
    }

    @Override
    public void draw(Canvas canvas) {

        paint.setColor(Color.GRAY);
        rectF.set(0f, 0f, canvas.getWidth(), canvas.getHeight());
        canvas.drawRoundRect(rectF, cornerRadius, cornerRadius, paint);

        paint.setColor(Color.WHITE);
        rectF.set(borderThickness, borderThickness, canvas.getWidth() - borderThickness, canvas.getHeight() - borderThickness);
        canvas.drawRoundRect(rectF, cornerRadius, cornerRadius, paint);

        paint.setColor(insetColour);
        rectF.set(borderThickness, borderThickness, 60f, canvas.getHeight() - borderThickness);
        canvas.drawRoundRect(rectF, cornerRadius, cornerRadius, paint);

        paint.setColor(Color.WHITE);
        rectF.set(30f, borderThickness, 60f, canvas.getHeight() - borderThickness);
        canvas.drawRect(rectF, paint);
    }

    @Override
    public void setAlpha(int alpha) { /* to implement */ }

    @Override
    public void setColorFilter(ColorFilter colorFilter) { /* to implement */}

    @Override
    public int getOpacity() {
        return PixelFormat.TRANSLUCENT;
    }
}
 
 然后，无论您在哪里使用EditText，您只需在代码中设置背景drawable： 
 
BackgroundColorDrawable drawable = new BackgroundColorDrawable();
editText.setBackground(drawable);
 
 请注意，此示例中有相当多的过度绘制（相同的像素被多次绘制），您可以对其进行优化。 
 
 您还必须在EditText上设置一些左边距，以使光标正确排列。 

You could achieve this with a custom Drawable. Something like:
 
public class BackgroundColorDrawable extends Drawable {

    private Paint paint;
    private RectF rectF;
    private float cornerRadius = 20f;
    private float borderThickness = 3.5f;
    private int insetColour = Color.GREEN;

    public BackgroundColorDrawable() {

        paint = new Paint();
        paint.setAntiAlias(true);
        rectF = new RectF();
    }

    public void setInsetColour(int insetColour) {
        this.insetColour = insetColour;
        invalidateSelf();
    }

    public void setBorderThickness(float borderThickness) {
        this.borderThickness = borderThickness;
        invalidateSelf();
    }

    public void setCornerRadius(float cornerRadius) {
        this.cornerRadius = cornerRadius;
        invalidateSelf();
    }

    @Override
    public void draw(Canvas canvas) {

        paint.setColor(Color.GRAY);
        rectF.set(0f, 0f, canvas.getWidth(), canvas.getHeight());
        canvas.drawRoundRect(rectF, cornerRadius, cornerRadius, paint);

        paint.setColor(Color.WHITE);
        rectF.set(borderThickness, borderThickness, canvas.getWidth() - borderThickness, canvas.getHeight() - borderThickness);
        canvas.drawRoundRect(rectF, cornerRadius, cornerRadius, paint);

        paint.setColor(insetColour);
        rectF.set(borderThickness, borderThickness, 60f, canvas.getHeight() - borderThickness);
        canvas.drawRoundRect(rectF, cornerRadius, cornerRadius, paint);

        paint.setColor(Color.WHITE);
        rectF.set(30f, borderThickness, 60f, canvas.getHeight() - borderThickness);
        canvas.drawRect(rectF, paint);
    }

    @Override
    public void setAlpha(int alpha) { /* to implement */ }

    @Override
    public void setColorFilter(ColorFilter colorFilter) { /* to implement */}

    @Override
    public int getOpacity() {
        return PixelFormat.TRANSLUCENT;
    }
}
 
Then wherever you are using your EditText you just have to set the background drawable in code:
 
BackgroundColorDrawable drawable = new BackgroundColorDrawable();
editText.setBackground(drawable);
 
Note there's quite a bit of overdraw in this example (the same pixel gets drawn several times) which you could optimise for.
 
You'll also have to set some left padding on your EditText for the cursor to line up properly.