1. Android – Monetize ...
  2. Use Manual
  3. Creating a Wrapper

Creating a Wrapper

You can choose to create a view inside the layout or create the view programmatically and add it to the layout later.

View in Layout File

This code goes inside the root of your layout file.

      # activity_main.xml
      ...
      <LinearLayout
          android:id="@+id/wrapper"
          android:layout_width="wrap_content"
          android:layout_height="wrap_content"
          android:orientation="horizontal"
          android:layout_centerHorizontal="true"
          android:layout_alignParentBottom="true">
      </LinearLayout>
      ...

Get this view from an activity or fragment, a way to do it could be:

      # MainActivity.kt
      val wrapper = findViewById(R.id.wrapper)

View Programmatically

      # MainActivity.kt
      // Get the root layout of the activity
      val parent = findViewById<ViewGroup>(R.id.main_layout) as RelativeLayout
      // Create your custom layout
      val wrapper = LinearLayout(this)
      wrapper.orientation = LinearLayout.HORIZONTAL
      // Parameters for the wrapper inside a RelativeLayout
      val params = RelativeLayout.LayoutParams(
          LinearLayout.LayoutParams.WRAP_CONTENT,
          LinearLayout.LayoutParams.WRAP_CONTENT
      )
      params.addRule(RelativeLayout.ALIGN_PARENT_BOTTOM)
      params.addRule(RelativeLayout.CENTER_HORIZONTAL)
      wrapper.layoutParams = params
      // Add the wrapper to the main layout
      parent.addView(wrapper)

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