Example usage for android.widget TextView getLayoutDirection

Introduction

In this page you can find the example usage for android.widget TextView getLayoutDirection.

Prototype

@ViewDebug.ExportedProperty(category = "layout", mapping = {
        @ViewDebug.IntToString(from = LAYOUT_DIRECTION_LTR, to = "RESOLVED_DIRECTION_LTR"),
        @ViewDebug.IntToString(from = LAYOUT_DIRECTION_RTL, to = "RESOLVED_DIRECTION_RTL") })
@ResolvedLayoutDir
public int getLayoutDirection() 

Source Link

Document

Returns the resolved layout direction for this view.

Usage

From source file:Main.java

@TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR1)
public static Layout.Alignment getLayoutAlignment(TextView textView) {
    if (Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN_MR1) {
        return Layout.Alignment.ALIGN_NORMAL;
    }/* w  w w.  jav a  2  s.c om*/

    Layout.Alignment alignment;
    switch (textView.getTextAlignment()) {
    case TextView.TEXT_ALIGNMENT_GRAVITY:
        switch (textView.getGravity() & Gravity.RELATIVE_HORIZONTAL_GRAVITY_MASK) {
        case Gravity.START:
            alignment = Layout.Alignment.ALIGN_NORMAL;
            break;
        case Gravity.END:
            alignment = Layout.Alignment.ALIGN_OPPOSITE;
            break;
        case Gravity.LEFT:
            alignment = (textView.getLayoutDirection() == TextView.LAYOUT_DIRECTION_RTL)
                    ? Layout.Alignment.ALIGN_OPPOSITE
                    : Layout.Alignment.ALIGN_NORMAL;
            break;
        case Gravity.RIGHT:
            alignment = (textView.getLayoutDirection() == TextView.LAYOUT_DIRECTION_RTL)
                    ? Layout.Alignment.ALIGN_NORMAL
                    : Layout.Alignment.ALIGN_OPPOSITE;
            break;
        case Gravity.CENTER_HORIZONTAL:
            alignment = Layout.Alignment.ALIGN_CENTER;
            break;
        default:
            alignment = Layout.Alignment.ALIGN_NORMAL;
            break;
        }
        break;
    case TextView.TEXT_ALIGNMENT_TEXT_START:
        alignment = Layout.Alignment.ALIGN_NORMAL;
        break;
    case TextView.TEXT_ALIGNMENT_TEXT_END:
        alignment = Layout.Alignment.ALIGN_OPPOSITE;
        break;
    case TextView.TEXT_ALIGNMENT_CENTER:
        alignment = Layout.Alignment.ALIGN_CENTER;
        break;
    case TextView.TEXT_ALIGNMENT_VIEW_START:
        alignment = Layout.Alignment.ALIGN_NORMAL;
        break;
    case TextView.TEXT_ALIGNMENT_VIEW_END:
        alignment = Layout.Alignment.ALIGN_OPPOSITE;
        break;
    case TextView.TEXT_ALIGNMENT_INHERIT:
        //
    default:
        alignment = Layout.Alignment.ALIGN_NORMAL;
        break;
    }
    return alignment;
}

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