TextView.java 文件源码

private void applySingleLine(boolean singleLine, boolean applyTransformation) {
    mSingleLine = singleLine;
    if (singleLine) {
        setLines(1);
        setHorizontallyScrolling(true);
        if (applyTransformation) {
            setTransformationMethod(SingleLineTransformationMethod.
                                    getInstance());
        }
    } else {
        setMaxLines(Integer.MAX_VALUE);
        setHorizontallyScrolling(false);
        if (applyTransformation) {
            setTransformationMethod(null);
        }
    }
}