VisiblePercentLayout

VisibilityPercentageLayout is a layout (extends RelativeLayout) with a custom listener which gives the visibility percentage of the layout every time it is changed.Pixel visibility listener is also available.

Currently supporting

• Use ONLY inside Listviews,RecyclerViews,ScrollViews,Viewpager etc.
• Percentage Listener with visible height/width percentage and flags for which part is missing
• Pixels Listener with visible height/width pixels and flags for which part is missing

Demo

Usage

In your xml file

   <com.tzanou.PercentVisibleLayout.PercentVisibleLayout
        android:layout_width="300dp"
        android:layout_height="300dp"
        android:layout_gravity="center"
        android:id="@+id/custom_layout">
        
        <TextView
            android:layout_gravity="center"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:id="@+id/percentage_text"/>
            
    </com.tzanou.PercentVisibleLayout.PercentVisibleLayout>

In your activity

    mCustomLayout=(PercentVisibleLayout) findViewById(R.id.custom_layout);

    mCustomLayout.setOnVisibilityPercentChangedListener(new PercentVisibleLayout.OnVisibilityPercentChanged() {
            @Override
            public void onVisibilityChange(int fromHeight, int fromWidth, int percentageHeight, int percentageWidth) {
                holder.mText.setText( percentageHeight+"%" );
            }
        });

More examples and methods on Wiki Page

##Download

dependencies {
compile 'com.tzanou:PercentVisibleLayout:1.1.2@aar'
}

or Downwnload PercentVisibleLayout.java