Example usage for android.view View LAYOUT_DIRECTION_RTL

List of usage examples for android.view View LAYOUT_DIRECTION_RTL

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Introduction

In this page you can find the example usage for android.view View LAYOUT_DIRECTION_RTL.

Prototype

int LAYOUT_DIRECTION_RTL

To view the source code for android.view View LAYOUT_DIRECTION_RTL.

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Document

Horizontal layout direction of this view is from Right to Left.

Usage

From source file:com.android.contacts.activities.PeopleActivity.java

private boolean isRTL() {
    final Locale locale = Locale.getDefault();
    return TextUtils.getLayoutDirectionFromLocale(locale) == View.LAYOUT_DIRECTION_RTL;
}

From source file:com.android.contacts.list.DefaultContactBrowseListFragment.java

private int getScrollBarPosition() {
    final Locale locale = Locale.getDefault();
    final boolean isRTL = TextUtils.getLayoutDirectionFromLocale(locale) == View.LAYOUT_DIRECTION_RTL;
    return isRTL ? View.SCROLLBAR_POSITION_LEFT : View.SCROLLBAR_POSITION_RIGHT;
}

From source file:android.support.v17.leanback.widget.GuidedActionsStylist.java

/**
 * Sets states of chevron view, called by {@link #onBindViewHolder(ViewHolder, GuidedAction)}.
 * Subclass may override.// ww w  . j  av  a2s.  c om
 *
 * @param vh The view holder associated with the relevant action.
 * @param action The GuidedAction object to bind to.
 */
public void onBindChevronView(ViewHolder vh, GuidedAction action) {
    final boolean hasNext = action.hasNext();
    final boolean hasSubActions = action.hasSubActions();
    if (hasNext || hasSubActions) {
        vh.mChevronView.setVisibility(View.VISIBLE);
        vh.mChevronView.setAlpha(action.isEnabled() ? mEnabledChevronAlpha : mDisabledChevronAlpha);
        if (hasNext) {
            float r = mMainView != null && mMainView.getLayoutDirection() == View.LAYOUT_DIRECTION_RTL ? 180f
                    : 0f;
            vh.mChevronView.setRotation(r);
        } else if (action == mExpandedAction) {
            vh.mChevronView.setRotation(270);
        } else {
            vh.mChevronView.setRotation(90);
        }
    } else {
        vh.mChevronView.setVisibility(View.GONE);

    }
}

From source file:de.azapps.mirakel.main_activity.MainActivity.java

/**
 * Loads the settings/*from  w ww . j a va 2  s  .c o  m*/
 */
@SuppressLint("NewApi")
private void initConfiguration() {
    Locale.setDefault(Helpers.getLocal(this));
    MainActivity.isRTL = Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1
            && getResources().getConfiguration().getLayoutDirection() == View.LAYOUT_DIRECTION_RTL;
    this.currentPosition = MainActivity.getTasksFragmentPosition();
    this.mPagerAdapter = null;
    Log.d(MainActivity.TAG, "false");
    this.startIntent = getIntent();
    this.closeOnBack = false;
}

From source file:com.android.launcher3.Utilities.java

@TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR1)
public static boolean isRtl(Resources res) {
    return ATLEAST_JB_MR1 && (res.getConfiguration().getLayoutDirection() == View.LAYOUT_DIRECTION_RTL);
}

From source file:com.jecelyin.editor.v2.core.text.TextUtils.java

/**
 * 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 android.view.View#LAYOUT_DIRECTION_LTR} or
 * {@link android.view.View#LAYOUT_DIRECTION_RTL}.
 *
 * Be careful: this code will need to be updated when vertical scripts will be supported
 *///from   w w  w .  j  a v a  2 s.  co  m
public static int getLayoutDirectionFromLocale(Locale locale) {
    if (locale != null && !locale.equals(Locale.ROOT)) {
        //            final String scriptSubtag = ICU.addLikelySubtags(locale).getScript();
        final String scriptSubtag = ICUCompat.maximizeAndGetScript(locale);
        if (scriptSubtag == null)
            return getLayoutDirectionFromFirstChar(locale);

        if (scriptSubtag.equalsIgnoreCase(ARAB_SCRIPT_SUBTAG)
                || scriptSubtag.equalsIgnoreCase(HEBR_SCRIPT_SUBTAG)) {
            return View.LAYOUT_DIRECTION_RTL;
        }
    }
    // If forcing into RTL layout mode, return RTL as default, else LTR
    //        return SystemProperties.getBoolean(Settings.Global.DEVELOPMENT_FORCE_RTL, false)
    //                ? View.LAYOUT_DIRECTION_RTL
    //                : View.LAYOUT_DIRECTION_LTR;
    return View.LAYOUT_DIRECTION_LTR; //jec: ?
}

From source file:com.jecelyin.editor.v2.core.text.TextUtils.java

/**
 * Fallback algorithm to detect the locale direction. Rely on the fist char of the
 * localized locale name. This will not work if the localized locale name is in English
 * (this is the case for ICU 4.4 and "Urdu" script)
 *
 * @param locale/*from  w  w w.j  a  v  a 2  s .  com*/
 * @return the layout direction. This may be one of:
 * {@link android.view.View#LAYOUT_DIRECTION_LTR} or
 * {@link android.view.View#LAYOUT_DIRECTION_RTL}.
 *
 * Be careful: this code will need to be updated when vertical scripts will be supported
 *
 * @hide
 */
private static int getLayoutDirectionFromFirstChar(Locale locale) {
    switch (Character.getDirectionality(locale.getDisplayName(locale).charAt(0))) {
    case Character.DIRECTIONALITY_RIGHT_TO_LEFT:
    case Character.DIRECTIONALITY_RIGHT_TO_LEFT_ARABIC:
        return View.LAYOUT_DIRECTION_RTL;

    case Character.DIRECTIONALITY_LEFT_TO_RIGHT:
    default:
        return View.LAYOUT_DIRECTION_LTR;
    }
}

From source file:com.facebook.litho.MountState.java

private static void setViewLayoutDirection(View view, ViewNodeInfo viewNodeInfo) {
    if (Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN_MR1) {
        return;//  w  w w .  j av a  2 s  . c o m
    }

    final int viewLayoutDirection;
    switch (viewNodeInfo.getLayoutDirection()) {
    case LTR:
        viewLayoutDirection = View.LAYOUT_DIRECTION_LTR;
        break;
    case RTL:
        viewLayoutDirection = View.LAYOUT_DIRECTION_RTL;
        break;
    default:
        viewLayoutDirection = View.LAYOUT_DIRECTION_INHERIT;
    }

    view.setLayoutDirection(viewLayoutDirection);
}

From source file:io.github.clendy.leanback.widget.GridLayoutManager.java

private void layoutChild(int rowIndex, View v, int start, int end, int startSecondary) {
    if (TRACE)//from   w  w w .ja v a2 s.  com
        TraceHelper.beginSection("layoutChild");
    int sizeSecondary = mOrientation == HORIZONTAL ? v.getMeasuredHeight() : v.getMeasuredWidth();
    if (mFixedRowSizeSecondary > 0) {
        sizeSecondary = Math.min(sizeSecondary, mFixedRowSizeSecondary);
    }
    final int verticalGravity = mGravity & Gravity.VERTICAL_GRAVITY_MASK;
    final int horizontalGravity = (mReverseFlowPrimary || mReverseFlowSecondary)
            ? Gravity.getAbsoluteGravity(mGravity & Gravity.RELATIVE_HORIZONTAL_GRAVITY_MASK,
                    View.LAYOUT_DIRECTION_RTL)
            : mGravity & Gravity.HORIZONTAL_GRAVITY_MASK;
    if (mOrientation == HORIZONTAL && verticalGravity == Gravity.TOP
            || mOrientation == VERTICAL && horizontalGravity == Gravity.LEFT) {
        // do nothing
    } else if (mOrientation == HORIZONTAL && verticalGravity == Gravity.BOTTOM
            || mOrientation == VERTICAL && horizontalGravity == Gravity.RIGHT) {
        startSecondary += getRowSizeSecondary(rowIndex) - sizeSecondary;
    } else if (mOrientation == HORIZONTAL && verticalGravity == Gravity.CENTER_VERTICAL
            || mOrientation == VERTICAL && horizontalGravity == Gravity.CENTER_HORIZONTAL) {
        startSecondary += (getRowSizeSecondary(rowIndex) - sizeSecondary) / 2;
    }
    int left, top, right, bottom;
    if (mOrientation == HORIZONTAL) {
        left = start;
        top = startSecondary;
        right = end;
        bottom = startSecondary + sizeSecondary;
    } else {
        top = start;
        left = startSecondary;
        bottom = end;
        right = startSecondary + sizeSecondary;
    }
    v.layout(left, top, right, bottom);
    updateChildOpticalInsets(v, left, top, right, bottom);
    updateChildAlignments(v);
    if (TRACE)
        TraceHelper.endSection();
}

From source file:com.rbware.github.androidcouchpotato.widget.GridLayoutManager.java

void layoutChild(int rowIndex, View v, int start, int end, int startSecondary) {
    if (TRACE)/*from  w ww . j  a  v  a2  s  .co  m*/
        TraceHelper.beginSection("layoutChild");
    int sizeSecondary = mOrientation == HORIZONTAL ? getDecoratedMeasuredHeightWithMargin(v)
            : getDecoratedMeasuredWidthWithMargin(v);
    if (mFixedRowSizeSecondary > 0) {
        sizeSecondary = Math.min(sizeSecondary, mFixedRowSizeSecondary);
    }
    final int verticalGravity = mGravity & Gravity.VERTICAL_GRAVITY_MASK;
    final int horizontalGravity = (mReverseFlowPrimary || mReverseFlowSecondary)
            ? Gravity.getAbsoluteGravity(mGravity & Gravity.RELATIVE_HORIZONTAL_GRAVITY_MASK,
                    View.LAYOUT_DIRECTION_RTL)
            : mGravity & Gravity.HORIZONTAL_GRAVITY_MASK;
    if (mOrientation == HORIZONTAL && verticalGravity == Gravity.TOP
            || mOrientation == VERTICAL && horizontalGravity == Gravity.LEFT) {
        // do nothing
    } else if (mOrientation == HORIZONTAL && verticalGravity == Gravity.BOTTOM
            || mOrientation == VERTICAL && horizontalGravity == Gravity.RIGHT) {
        startSecondary += getRowSizeSecondary(rowIndex) - sizeSecondary;
    } else if (mOrientation == HORIZONTAL && verticalGravity == Gravity.CENTER_VERTICAL
            || mOrientation == VERTICAL && horizontalGravity == Gravity.CENTER_HORIZONTAL) {
        startSecondary += (getRowSizeSecondary(rowIndex) - sizeSecondary) / 2;
    }
    int left, top, right, bottom;
    if (mOrientation == HORIZONTAL) {
        left = start;
        top = startSecondary;
        right = end;
        bottom = startSecondary + sizeSecondary;
    } else {
        top = start;
        left = startSecondary;
        bottom = end;
        right = startSecondary + sizeSecondary;
    }
    LayoutParams params = (LayoutParams) v.getLayoutParams();
    layoutDecoratedWithMargins(v, left, top, right, bottom);
    // Now super.getDecoratedBoundsWithMargins() includes the extra space for optical bounds,
    // subtracting it from value passed in layoutDecoratedWithMargins(), we can get the optical
    // bounds insets.
    super.getDecoratedBoundsWithMargins(v, sTempRect);
    params.setOpticalInsets(left - sTempRect.left, top - sTempRect.top, sTempRect.right - right,
            sTempRect.bottom - bottom);
    updateChildAlignments(v);
    if (TRACE)
        TraceHelper.endSection();
}