Check out example codes for "code to include layout from java in android". It will help you in understanding the concepts better.

Code Example 1

ViewStub stub = (ViewStub) findViewById(R.id.layout_stub);
stub.setLayoutResource(R.layout.whatever_layout_you_want);
View inflated = stub.inflate();

Code Example 2

<ViewStub
    android:id="@+id/layout_stub"
    android:inflatedId="@+id/message_layout"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:layout_weight="0.75" />

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