延迟加载其他视图

创建viewstub

<ViewStub
    android:id="@+id/viewStub"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:layout="@layout/two"
    />

调用

ViewStub viewStub = findViewById(R.id.viewStub);

View inflatedView = viewStub.inflate();
TextView textView = inflatedView.findViewById(R.id.textView);
textView.setText("Hello, ViewStub!");