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Can the Android Flow virtual layout handle variable-width Views


Can the Android Flow virtual layout handle variable-width Views

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Can the Android Flow virtual layout handle variable-width Views
Tag : android , By : Martin
Date : January 11 2021, 03:34 PM

With these it helps Here is a simple example of how it can be achieved (ConstraintLayout:2.0.0-beta2):
<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout
        xmlns:android="http://schemas.android.com/apk/res/android"
        xmlns:app="http://schemas.android.com/apk/res-auto"
        android:layout_width="match_parent"
        android:layout_height="match_parent">

    <androidx.constraintlayout.helper.widget.Flow
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            app:constraint_referenced_ids="text1,text2,text3,text4,text5"
            app:flow_wrapMode="chain"
            app:flow_horizontalStyle="packed"
            app:flow_horizontalBias="0"
            app:layout_constraintTop_toTopOf="parent"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintEnd_toEndOf="parent"/>

    <TextView
            android:id="@+id/text1"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="Hello World!"
            android:background="#FF0000"/>

    <TextView
            android:id="@+id/text2"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="That is a very long textview that is very, very long"
            android:background="#00FF00"/>

    <TextView
            android:id="@+id/text3"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="text3 which is somewhat long"
            android:background="#0099FF"/>

    <TextView
            android:id="@+id/text4"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="text4"
            android:background="#999999"/>

    <TextView
            android:id="@+id/text5"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="text5"
            android:background="#9900FF"/>

</androidx.constraintlayout.widget.ConstraintLayout>

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How to set only the preferred width of Panel with flow layout?


Tag : java , By : user152319
Date : March 29 2020, 07:55 AM
I wish did fix the issue. I have a panel with flow layout, and it can contain a variable number of items - from 1 to 2000. I want to put it inside a scroll pane, scrollable in vertical direction, and with fixed width. The problem is, when I set preferred size of panel to something like (800,600), some items are missing, and there is no scroll. If I set up preferred size of scroll pane, then all elements in flow pane are put on one very long line. , You could use BoxLayout to do this:
JPanel verticalPane = new JPanel();
verticalPane.setLayout(new BoxLayout(verticalPane, BoxLayout.Y_AXIS));

JScrollPane pane = new JScrollPane(verticalPane);

//add what you want to verticalPane
verticalPane.add(new JButton("foo"));
verticalPane.add(new JButton("bar"));
class MyPanel extends JPanel(){
    public Dimension getPreferredSize(){
         return new Dimension(100,100);
    }
} 

Android - How to have a variable width layout with an image at either end and text in the middle


Tag : android , By : dlouzan
Date : March 29 2020, 07:55 AM
I hope this helps you . I'm trying to create a layout for a callout bubble that includes an image on the left, another image on the right and then a layout in the middle which includes a couple of TextViews. , Perhaps a nested LinearLayout with a zero width will do the trick:
<LinearLayout android:id="@+id/callout"
  android:orientation="horizontal"
  android:layout_width="wrap_content" 
  android:layout_height="54dp">

    <ImageView android:id="@+id/callout_img_left" 
      android:layout_width="wrap_content" 
      android:layout_height="wrap_content"/>
    <LinearLayout
      android:layout_weight="1"
      android:layout_width="0dp" 
      android:layout_height="wrap_content" />
        <TextView android:id="@+id/callout_name" 
          android:layout_width="wrap_content" 
          android:layout_height="wrap_content" 
          android:ellipsize="end" 
          android:singleLine="true" />
        <TextView android:id="@+id/callout_text" 
          android:layout_width="wrap_content" 
          android:layout_height="wrap_content" 
          android:ellipsize="end" 
          android:singleLine="true" />
    </LinearLayout>
    <ImageView android:id="@+id/callout_img_right"
      android:layout_width="48dp"
      android:layout_height="wrap_content" />
</LinearLayout>

android - Getting the handle for child views from custom layout


Tag : android , By : 40a
Date : March 29 2020, 07:55 AM
To fix the issue you can do First of all, if you use your custom component in a xml layout you'll need the second constructor implemented(the one that takes a Context, AttributeSet). Second of all you could add a getter method for your ViewFlipper:
public class CustomLinear extends LinearLayout{

        Context context;
        private ViewFlipper mFlipper;

        public CustomLinear(Context context, AttributeSet attrs) {
             super(context, attrs);
             this.context=context;
             mFlipper = new ViewFlipper(context);
             mFlipper.setLayoutParams(this.getLayoutParams());
             this.addView(mFlipper);
        }

      // the getter method
      public ViewFlipper getTheFlipper() {
           return mFlipper;
      }
setContentView(R.layout.main);
CustomLinear cl = (CustomLinear) findViewById(R.id.one);
ViewFlipper flipperReference = cl.getTheFlipper();

Android layout - Two views next to each other, equal width, use full screen-width


Tag : android , By : Raghu
Date : March 29 2020, 07:55 AM
it fixes the issue You have to use android:layout_weight attribute in xml so try below code hope it will resolve your problem :-
 <LinearLayout
     android:layout_width="fill_parent"
     android:layout_height="wrap_content"
     android:orientation="horizontal">

     <Button
        android:text="Register"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:padding="10dip"
        android:layout_margin="5dp"
        android:layout_weight="1" />

     <Button
        android:text="Not this time"
        android:id="@+id/cancel"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:padding="10dip"
        android:layout_margin="5dp"
        android:layout_weight="1" />

  </LinearLayout>

Flow layout animation glitch when inserting multiple custom supplementary views


Tag : ios , By : demize95
Date : March 29 2020, 07:55 AM
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