onAttachedToWindow（）没有被调用

Question

I am creating a object for a class FlyOutContainer like this

this.root = (FlyOutContainer) this.getLayoutInflater().inflate(R.layout.activity_sample, null);

and in the class FlyOutContainer, i have the method onAttachedToWindow()

protected void onAttachedToWindow() {
        super.onAttachedToWindow();
        Log.i("onAttachedToWindow", " occured");
        this.menu = this.getChildAt(0);

        this.content = this.getChildAt(1);

        this.menu.setVisibility(View.GONE);
    }

hoping that this method should be called when i am creating the object for this.root but the method onAttachedWindow() is never get called. Why??

UPDATE1

<com.bibliotheque.android.view.viewgroup.FlyOutContainer xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="fill_parent" >

    <LinearLayout
        xmlns:android="http://schemas.android.com/apk/res/android"

        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:background="#444488"
        android:orientation="vertical" >

        <Button
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:onClick="toggleMenu"
            android:text="@string/home_btn_label" />

        <Button
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:onClick="toggleMenu"
            android:text="@string/search_btn_label" />

        <Button
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:onClick="toggleMenu"
            android:text="@string/mybooks_btn_label" />

        <Button
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:onClick="toggleMenu"
            android:text="@string/contact_btn_label" />

        <Button
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:onClick="toggleMenu"
            android:text="@string/about_btn_label" />

    </LinearLayout>

    <LinearLayout
        xmlns:android="http://schemas.android.com/apk/res/android"
        android:layout_width="match_parent"
        android:layout_height="fill_parent"
        android:background="#888888"
        android:orientation="vertical" >

        <LinearLayout

            android:id="@+id/home"
            android:layout_width="match_parent"
            android:layout_height="fill_parent"
            android:background="#888888"
            android:orientation="vertical" >

            <TextView
                android:id="@+id/textView1"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text="@string/hello_world"
                android:textAppearance="?android:attr/textAppearanceLarge" />

        </LinearLayout>

        <LinearLayout
            android:id="@+id/search_layout"
            android:layout_width="match_parent"
            android:layout_height="fill_parent"
            android:background="#888888"
            android:orientation="vertical" >

            <EditText
                android:id="@+id/searchInput"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:gravity="top"
                android:inputType="text" />

            <ListView
                android:id="@+id/bookList"
                android:layout_width="match_parent"
                android:layout_height="wrap_content" />           

        </LinearLayout>

    </LinearLayout>

I am using the FlyOutContainer to achieve the Slide in menu

Answer 1

Have you actually added the view to the layout?

You need to call addView(root) on the parent you want to contain your FlyOutContainer, or use the 3 parameter method on the LayoutInflater :

getLayoutInflater().inflate(R.layout.activity_sample, container, true)

where container is, again, the ViewGroup that will contain your new view.