Reverse the direction of a LinearLayout

Reverse the direction of a LinearLayout

linearlayout gravity
android:weightsum
linearlayout addview
linearlayout padding
android:divider
linearlayoutmanager reverse layout
linear layout default orientation
android linear layout spacing

How can I reverse the direction of a linear layout?

for example, if my layout is [view1, view2, view3] I want to create [view3, view2, view1]. My goal is to inflate a left and a right handed instances from one XML layout.


Generally I would say you cannot do this using the standard SDK. You could however create a method which gets all of the subviews out of the LinearLayout, removes them from the LinearLayout, and then adds them back in reverse order.

LinearLayout ll = // inflate
ArrayList<View> views = new ArrayList<View>();
for(int x = 0; x < ll.getChildCount(); x++) {
    views.add(ll.getChildAt(x));
}
ll.removeAllViews();
for(int x = views.size() - 1; x >= 0; x--) {
    ll.addView(views.get(x));
}

Reverse the direction of a LinearLayout, How can I reverse the direction of a linear layout? for example, if my layout is [​view1, view2, view3] I want to create [view3, view2, view1]. My goal is to inflate a​  In this code we detect whether the natural direction is RTL, and reverse the direction, obviously one can apply your own logic to reversing: LinearLayout buttonsContainer = (LinearLayout) findViewById(R.id.buttonsContainer); buttonsContainer.setLayoutDirection(isRTL() ?


this is simplest approach :)

for(int k = ll.getChildCount()-1 ; k >= 0 ; k--)
{
    View item = ll.getChildAt(k);
    ll.removeViewAt(k);
    ll.addView(item);
}

Feature request: LinearLayout should be able to layout in reverse , Feature request: LinearLayout should be able to layout in reverse order. #21. Closed Replace linear layout Orientation with new Direction. … LinearLayout is a view group that aligns all children in a single direction, vertically or horizontally. You can specify the layout direction with the LinearLayout are stacked one after the other, so a vertical list will only have one child per row, no…


You can control the direction of the layout directly through the layoutDirection. In this code we detect whether the natural direction is RTL, and reverse the direction, obviously one can apply your own logic to reversing:

LinearLayout buttonsContainer = (LinearLayout) findViewById(R.id.buttonsContainer);          
buttonsContainer.setLayoutDirection(isRTL() ? LinearLayout.LAYOUT_DIRECTION_LTR : 
                                    LinearLayout.LAYOUT_DIRECTION_RTL)

public static boolean isRTL() {
        return isRTL(Locale.getDefault());
}

public static boolean isRTL(Locale locale) {
    final int directionality = Character.getDirectionality(locale.getDisplayName().charAt(0));
    return directionality == Character.DIRECTIONALITY_RIGHT_TO_LEFT ||
            directionality == Character.DIRECTIONALITY_RIGHT_TO_LEFT_ARABIC;
}

Or via XML in case you want to override the natural direction constantly:

<LinearLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:orientation="horizontal"
        android:layoutDirection="ltr"
        >
...
</LinearLayout>

Detection of RTL is taken from this question: Identifyng RTL language in Android

LinearLayout, Set android:orientation to specify whether child views are displayed in a row or column. To control how linear layout aligns all the views it  Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information. Reverse the direction of a LinearLayout. 1. How to


Simple way try this

LinearLayout ll = (LinearLayout)findViewById(R.id.ll1);
    View v0 = ll.getChildAt(0);
    View v1 = ll.getChildAt(1);
    View v2 = ll.getChildAt(2);

    ll.removeAllViews();

    ll.addView(v2);
    ll.addView(v1);
    ll.addView(v0);

Android ViewPager2 Right to Left (RTL) Scroll (Reverse Scroll , Android ViewPager2 Right to Left (RTL) Scroll (Reverse Scroll Direction). July 5, 2019 <LinearLayout android:layout_width="wrap_content"  I counted more than 50 so it may take some time to reverse the scroll direction. I thought some bi-directional language support might allow you to trick the textview into scrolling left to right but Android does not seem to support RTL languages very well.


Just add the following code to LinearLayout:

android:layoutDirection="rtl"

But it permanently reverses the order - not just for RTL locales :(

How to do reverse of string in Android?, This example demonstrates How to do reverse of string in AndroidStep 1 − Create MainActivity" android:orientation = "vertical"> <EditText android:id "​Enter Name" android:layout_height = "wrap_content" /> <LinearLayout  How to reverse mouse scrolling direction on Windows 10 If you're using a mouse to navigate on Windows 10 , the Settings app doesn't include an option to reverse the scrolling direction.


How to print list values in reverse order using Collections.reverse , This example demonstrates How to print list values in reverse order using MainActivity" android:orientation = "vertical"> <EditText android:id "Enter Name​" android:layout_height = "wrap_content" /> <LinearLayout  Reverse- or counter-rotation tines turn the opposite direction of the tiller’s drive wheels, and forward-rotation tines turn in the same direction as the drive wheels.


Android Notes 46: How to reverse RecyclerView by adding items , To reverse our RecyclerView, then we totally need this code segment. It does not require any modification or any special library. It's so simple to work on  b. Left click Personalize, Display settings. c. In the Monitor window that opens you should see your two monitors. Find out which is which by clicking Identify Monitors. d. Click and drag the right hand monitor left to the left of the original left monitor and release the drag. That should change the positions of the two monitors so that the


Advanced Layouts, toString(); String reversedText = new StringBuffer(inputText).reverse(). Select Orientation from the list, click the right arrow in the middle of the window and, android:layout_margin="20dp" android:orientation="vertical" > <LinearLayout  LinearLayout: is a ViewGroup that aligns all children in a single direction, vertically or horizontally RelativeLayout : is a ViewGroup that displays child views in relative positions AbsoluteLayout : allows us to specify the exact location of the child views and widgets