多彩多姿的edittext提示 [英] Multicolored edittext hint

问题描述

当被android.support.design.widget.TextInputLayout包裹时，是否有一种方法可以为edittext的提示设置多种颜色，而不会影响浮动edittext的行为?

Is there a way to set multiple colors to the edittext's hint when wrapped by android.support.design.widget.TextInputLayout without compromising the behaviour of floating edittexts?

喜欢， 标题*

标题和*带有不同的彩色提示

Headline and * with different colored hint

推荐答案

尝试一下！如果要将其用于setText，只需添加BufferType.SPANNABLE(请参见下文)

Try this! If you want to use it for setText just add BufferType.SPANNABLE (see below)

    String redPart = "Hello";
    String bluePart = "World";

    SpannableStringBuilder builder = new SpannableStringBuilder();

    SpannableString redColoredString= new SpannableString(redPart);
    redColoredString.setSpan(new ForegroundColorSpan(Color.RED), 0, redPart.length(), 0);
    builder.append(redColoredString);

    SpannableString blueColoredString= new SpannableString(bluePart);
    blueColoredString.setSpan(new ForegroundColorSpan(Color.BLUE), 0, bluePart.length(), 0);
    builder.append(blueColoredString);


    myEditText.setHint(builder)

    //do following for setText
    myEditText.setText(builder,BufferType.SPANNABLE)

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