Java Code Examples for android.support.v4.view.ViewCompat#LAYOUT_DIRECTION_RTL

The following examples show how to use android.support.v4.view.ViewCompat#LAYOUT_DIRECTION_RTL . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: SetupStartIndicatorView.java    From Indic-Keyboard with Apache License 2.0 6 votes vote down vote up 
@Override
protected void onDraw(final Canvas canvas) {
    super.onDraw(canvas);
    final int layoutDirection = ViewCompat.getLayoutDirection(this);
    final int width = getWidth();
    final int height = getHeight();
    final float halfHeight = height / 2.0f;
    final Path path = mIndicatorPath;
    path.rewind();
    if (layoutDirection == ViewCompat.LAYOUT_DIRECTION_RTL) {
        // Left arrow
        path.moveTo(width, 0.0f);
        path.lineTo(0.0f, halfHeight);
        path.lineTo(width, height);
    } else { // LAYOUT_DIRECTION_LTR
        // Right arrow
        path.moveTo(0.0f, 0.0f);
        path.lineTo(width, halfHeight);
        path.lineTo(0.0f, height);
    }
    path.close();
    final int[] stateSet = getDrawableState();
    final int color = mIndicatorColor.getColorForState(stateSet, 0);
    mIndicatorPaint.setColor(color);
    canvas.drawPath(path, mIndicatorPaint);
}
Example 2
Source File: ActionBarDrawerToggle.java    From V.FlyoutTest with MIT License 6 votes vote down vote up 
@Override
public void draw(Canvas canvas) {
    copyBounds(mTmpRect);
    canvas.save();

    // Layout direction must be obtained from the activity.
    final boolean isLayoutRTL = ViewCompat.getLayoutDirection(
            mActivity.getWindow().getDecorView()) == ViewCompat.LAYOUT_DIRECTION_RTL;
    final int flipRtl = isLayoutRTL ? -1 : 1;
    final int width = mTmpRect.width();
    canvas.translate(-mOffset * width * mPosition * flipRtl, 0);

    // Force auto-mirroring if it's not supported by the platform.
    if (isLayoutRTL && !mHasMirroring) {
        canvas.translate(width, 0);
        canvas.scale(-1, 1);
    }

    super.draw(canvas);
    canvas.restore();
}
Example 3
Source File: TextUtilsCompat.java    From android-recipes-app with Apache License 2.0 5 votes vote down vote up 
/**
 * Return the layout direction for a given Locale
 *
 * @param locale the Locale for which we want the layout direction. Can be null.
 * @return the layout direction. This may be one of:
 * {@link ViewCompat#LAYOUT_DIRECTION_LTR} or
 * {@link ViewCompat#LAYOUT_DIRECTION_RTL}.
 *
 * Be careful: this code will need to be updated when vertical scripts will be supported
 */
public static int getLayoutDirectionFromLocale(Locale locale) {
    if (locale != null && !locale.equals(ROOT)) {
        final String scriptSubtag = ICUCompat.getScript(
                ICUCompat.addLikelySubtags(locale.toString()));
        if (scriptSubtag == null) return getLayoutDirectionFromFirstChar(locale);

        if (scriptSubtag.equalsIgnoreCase(ARAB_SCRIPT_SUBTAG) ||
                scriptSubtag.equalsIgnoreCase(HEBR_SCRIPT_SUBTAG)) {
            return ViewCompat.LAYOUT_DIRECTION_RTL;
        }
    }

    return ViewCompat.LAYOUT_DIRECTION_LTR;
}
Example 4
Source File: TextUtilsCompat.java    From guideshow with MIT License 5 votes vote down vote up 
/**
 * Return the layout direction for a given Locale
 *
 * @param locale the Locale for which we want the layout direction. Can be null.
 * @return the layout direction. This may be one of:
 * {@link ViewCompat#LAYOUT_DIRECTION_LTR} or
 * {@link ViewCompat#LAYOUT_DIRECTION_RTL}.
 *
 * Be careful: this code will need to be updated when vertical scripts will be supported
 */
public static int getLayoutDirectionFromLocale(Locale locale) {
    if (locale != null && !locale.equals(ROOT)) {
        final String scriptSubtag = ICUCompat.getScript(
                ICUCompat.addLikelySubtags(locale.toString()));
        if (scriptSubtag == null) return getLayoutDirectionFromFirstChar(locale);

        if (scriptSubtag.equalsIgnoreCase(ARAB_SCRIPT_SUBTAG) ||
                scriptSubtag.equalsIgnoreCase(HEBR_SCRIPT_SUBTAG)) {
            return ViewCompat.LAYOUT_DIRECTION_RTL;
        }
    }

    return ViewCompat.LAYOUT_DIRECTION_LTR;
}
Example 5
Source File: LinearLayoutManager.java    From TelePlus-Android with GNU General Public License v2.0 4 votes vote down vote up 
protected boolean isLayoutRTL() {
    return getLayoutDirection() == ViewCompat.LAYOUT_DIRECTION_RTL;
}
Example 6
Source File: BaseLayoutManager.java    From KinoCast with MIT License 4 votes vote down vote up 
protected boolean isLayoutRTL() {
    return getLayoutDirection() == ViewCompat.LAYOUT_DIRECTION_RTL;
}
Example 7
Source File: CollapsingTitleLayout.java    From android-proguards with Apache License 2.0 4 votes vote down vote up 
public CollapsingTitleLayout(Context context, AttributeSet attrs, int defStyleAttr,
                             int defStyleRes) {
    super(context, attrs, defStyleAttr, defStyleRes);
    setWillNotDraw(false);
    paint = new TextPaint(Paint.ANTI_ALIAS_FLAG);

    TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.CollapsingTitleLayout);
    final boolean isRtl = ViewCompat.getLayoutDirection(this)
            == ViewCompat.LAYOUT_DIRECTION_RTL;

    // first check if all insets set the same
    titleInsetStart = titleInsetEnd = titleInsetBottom =
            a.getDimensionPixelSize(R.styleable.CollapsingTitleLayout_titleInset, 0);
    titleInsetTop = titleInsetStart;

    if (a.hasValue(R.styleable.CollapsingTitleLayout_titleInsetStart)) {
        final int insetStart = a.getDimensionPixelSize(
                R.styleable.CollapsingTitleLayout_titleInsetStart, 0);
        if (isRtl) {
            titleInsetEnd = insetStart;
        } else {
            titleInsetStart = insetStart;
        }
    }
    if (a.hasValue(R.styleable.CollapsingTitleLayout_titleInsetTop)) {
        titleInsetTop = a.getDimensionPixelSize(
                R.styleable.CollapsingTitleLayout_titleInsetTop, 0);
    }
    if (a.hasValue(R.styleable.CollapsingTitleLayout_titleInsetEnd)) {
        final int insetEnd = a.getDimensionPixelSize(
                R.styleable.CollapsingTitleLayout_titleInsetEnd, 0);
        if (isRtl) {
            titleInsetStart = insetEnd;
        } else {
            titleInsetEnd = insetEnd;
        }
    }
    if (a.hasValue(R.styleable.CollapsingTitleLayout_titleInsetBottom)) {
        titleInsetBottom = a.getDimensionPixelSize(
                R.styleable.CollapsingTitleLayout_titleInsetBottom, 0);
    }

    final int textAppearance = a.getResourceId(
            R.styleable.CollapsingTitleLayout_android_textAppearance,
            android.R.style.TextAppearance);
    TypedArray atp = getContext().obtainStyledAttributes(textAppearance,
            R.styleable.CollapsingTextAppearance);
    paint.setColor(atp.getColor(R.styleable.CollapsingTextAppearance_android_textColor,
            Color.WHITE));
    collapsedTextSize = atp.getDimensionPixelSize(
            R.styleable.CollapsingTextAppearance_android_textSize, 0);
    if (atp.hasValue(R.styleable.CollapsingTextAppearance_font)) {
        paint.setTypeface(FontUtil.get(getContext(),
                atp.getString(R.styleable.CollapsingTextAppearance_font)));
    }
    atp.recycle();

    if (a.hasValue(R.styleable.CollapsingTitleLayout_collapsedTextSize)) {
        collapsedTextSize = a.getDimensionPixelSize(
                R.styleable.CollapsingTitleLayout_collapsedTextSize, 0);
        paint.setTextSize(collapsedTextSize);
    }

    maxExpandedTextSize = a.getDimensionPixelSize(
            R.styleable.CollapsingTitleLayout_maxExpandedTextSize, Integer.MAX_VALUE);
    lineHeightHint =
            a.getDimensionPixelSize(R.styleable.CollapsingTitleLayout_lineHeightHint, 0);
    maxLines = a.getInteger(R.styleable.CollapsingTitleLayout_android_maxLines, 5);
    a.recycle();
}
Example 8
Source File: TextDirectionHeuristicsCompat.java    From V.FlyoutTest with MIT License 4 votes vote down vote up 
@Override
protected boolean defaultIsRtl() {
    final int dir = TextUtilsCompat.getLayoutDirectionFromLocale(java.util.Locale.getDefault());
    return (dir == ViewCompat.LAYOUT_DIRECTION_RTL);
}
Example 9
Source File: FlexboxLayout.java    From JD-Test with Apache License 2.0 4 votes vote down vote up 
@Override
protected void onDraw(Canvas canvas) {
    if (mDividerDrawableVertical == null && mDividerDrawableHorizontal == null) {
        return;
    }
    if (mShowDividerHorizontal == SHOW_DIVIDER_NONE
            && mShowDividerVertical == SHOW_DIVIDER_NONE) {
        return;
    }

    int layoutDirection = ViewCompat.getLayoutDirection(this);
    boolean isRtl;
    boolean fromBottomToTop = false;
    switch (mFlexDirection) {
        case FLEX_DIRECTION_ROW:
            isRtl = layoutDirection == ViewCompat.LAYOUT_DIRECTION_RTL;
            if (mFlexWrap == FLEX_WRAP_WRAP_REVERSE) {
                fromBottomToTop = true;
            }
            drawDividersHorizontal(canvas, isRtl, fromBottomToTop);
            break;
        case FLEX_DIRECTION_ROW_REVERSE:
            isRtl = layoutDirection != ViewCompat.LAYOUT_DIRECTION_RTL;
            if (mFlexWrap == FLEX_WRAP_WRAP_REVERSE) {
                fromBottomToTop = true;
            }
            drawDividersHorizontal(canvas, isRtl, fromBottomToTop);
            break;
        case FLEX_DIRECTION_COLUMN:
            isRtl = layoutDirection == ViewCompat.LAYOUT_DIRECTION_RTL;
            if (mFlexWrap == FLEX_WRAP_WRAP_REVERSE) {
                isRtl = !isRtl;
            }
            fromBottomToTop = false;
            drawDividersVertical(canvas, isRtl, fromBottomToTop);
            break;
        case FLEX_DIRECTION_COLUMN_REVERSE:
            isRtl = layoutDirection == ViewCompat.LAYOUT_DIRECTION_RTL;
            if (mFlexWrap == FLEX_WRAP_WRAP_REVERSE) {
                isRtl = !isRtl;
            }
            fromBottomToTop = true;
            drawDividersVertical(canvas, isRtl, fromBottomToTop);
            break;
    }
}
Example 10
Source File: FloatingSearchView.java    From floatingsearchview with Apache License 2.0 4 votes vote down vote up 
private boolean isRTL() {

        Configuration config = getResources().getConfiguration();
        return ViewCompat.getLayoutDirection(this) == ViewCompat.LAYOUT_DIRECTION_RTL;
    }
Example 11
Source File: I18nUtil.java    From react-native-GPay with MIT License 4 votes vote down vote up 
private boolean isDevicePreferredLanguageRTL() {
 final int directionality =
   TextUtilsCompat.getLayoutDirectionFromLocale(Locale.getDefault());
 return directionality == ViewCompat.LAYOUT_DIRECTION_RTL;
}
Example 12
Source File: FastScroller.java    From TelePlus-Android with GNU General Public License v2.0 4 votes vote down vote up 
private boolean isLayoutRTL() {
    return ViewCompat.getLayoutDirection(mRecyclerView) == ViewCompat.LAYOUT_DIRECTION_RTL;
}
Example 13
Source File: StaggeredGridLayoutManager.java    From TelePlus-Android with GNU General Public License v2.0 4 votes vote down vote up 
boolean isLayoutRTL() {
    return getLayoutDirection() == ViewCompat.LAYOUT_DIRECTION_RTL;
}
Example 14
Source File: BaseLayoutManager.java    From RecyclerViewLib with Apache License 2.0 4 votes vote down vote up 
protected boolean isLayoutRTL() {
    return getLayoutDirection() == ViewCompat.LAYOUT_DIRECTION_RTL;
}
Example 15
Source File: NumberProgressBar.java    From FireFiles with Apache License 2.0 4 votes vote down vote up 
public boolean isLayoutRtl() {
    return ViewCompat.getLayoutDirection(this) == ViewCompat.LAYOUT_DIRECTION_RTL;
}
Example 16
Source File: TabularContextMenuPagerAdapter.java    From 365browser with Apache License 2.0 4 votes vote down vote up 
/**
 * Used in combination of a TabLayout to create a multi view layout.
 * @param views Thew views to use in the pager Adapter.
 */
TabularContextMenuPagerAdapter(List<Pair<String, ViewGroup>> views) {
    mViewList = views;
    mIsRightToLeft = TextUtilsCompat.getLayoutDirectionFromLocale(Locale.getDefault())
            == ViewCompat.LAYOUT_DIRECTION_RTL;
}
Example 17
Source File: TextDirectionHeuristicsCompat.java    From adt-leanback-support with Apache License 2.0 4 votes vote down vote up 
@Override
protected boolean defaultIsRtl() {
    final int dir = TextUtilsCompat.getLayoutDirectionFromLocale(java.util.Locale.getDefault());
    return (dir == ViewCompat.LAYOUT_DIRECTION_RTL);
}
Example 18
Source File: LinearLayoutManager.java    From TelePlus-Android with GNU General Public License v2.0 4 votes vote down vote up 
protected boolean isLayoutRTL() {
    return getLayoutDirection() == ViewCompat.LAYOUT_DIRECTION_RTL;
}
Example 19
Source File: NumberProgressBar.java    From FireFiles with Apache License 2.0 4 votes vote down vote up 
public boolean isLayoutRtl() {
    return ViewCompat.getLayoutDirection(this) == ViewCompat.LAYOUT_DIRECTION_RTL;
}
Example 20
Source File: BidiFormatter.java    From android-recipes-app with Apache License 2.0 2 votes vote down vote up 
/**
 * Helper method to return true if the Locale directionality is RTL.
 *
 * @param locale The Locale whose directionality will be checked to be RTL or LTR
 * @return true if the {@code locale} directionality is RTL. False otherwise.
 */
private static boolean isRtlLocale(Locale locale) {
    return (TextUtilsCompat.getLayoutDirectionFromLocale(locale) == ViewCompat.LAYOUT_DIRECTION_RTL);
}