Java ApiCompatibilityUtils.setTextDirection方法代码示例

import org.chromium.base.ApiCompatibilityUtils; //导入方法依赖的package包/类
/**
 * Sets a description line for the omnibox suggestion.
 *
 * @param str The description text.
 * @param isUrl Whether this text is a URL (as opposed to a normal string).
 */
private void showDescriptionLine(Spannable str, boolean isUrl) {
    TextView textLine = mContentsView.mTextLine2;
    if (textLine.getVisibility() != VISIBLE) {
        textLine.setVisibility(VISIBLE);
    }
    textLine.setText(str, BufferType.SPANNABLE);

    // Force left-to-right rendering for URLs. See UrlBar constructor for details.
    if (isUrl) {
        textLine.setTextColor(URL_COLOR);
        ApiCompatibilityUtils.setTextDirection(textLine, TEXT_DIRECTION_LTR);
    } else {
        textLine.setTextColor(getStandardFontColor());
        ApiCompatibilityUtils.setTextDirection(textLine, TEXT_DIRECTION_INHERIT);
    }
}
 

import org.chromium.base.ApiCompatibilityUtils; //导入方法依赖的package包/类
/**
 * Sets the {@link UrlBar}'s text direction based on focus and contents.
 *
 * Should be called whenever focus or text contents change.
 */
private void fixupTextDirection() {
    // When unfocused, force left-to-right rendering at the paragraph level (which is desired
    // for URLs). Right-to-left runs are still rendered RTL, but will not flip the whole URL
    // around. This is consistent with OmniboxViewViews on desktop. When focused, render text
    // normally (to allow users to make non-URL searches and to avoid showing Android's split
    // insertion point when an RTL user enters RTL text). Also render text normally when the
    // text field is empty (because then it displays an instruction that is not a URL).
    if (mFocused || length() == 0) {
        ApiCompatibilityUtils.setTextDirection(this, TEXT_DIRECTION_INHERIT);
    } else {
        ApiCompatibilityUtils.setTextDirection(this, TEXT_DIRECTION_LTR);
    }
}