如何使用Android snackbar弹出整个片段布局

我没有任何浮动按钮，但我想在显示snackbar消息时弹出整个布局。为此，我将我的片段包装成一个协调布局，如下所示：

 <android.support.design.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/coordinatorLayout"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

    <FrameLayout
        android:id="@+id/container_for_fragments"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:background="@color/white"/>

</android.support.design.widget.CoordinatorLayout>

       Snackbar snackbar = Snackbar.make(myCoordinatorLayout, "Hello", Snackbar.LENGTH_LONG);
       snackbar.show();

我得到：

---

当snackbar出现时，是否有办法弹出整个片段？

编写自己的行为，该行为对显示snackbar作出反应：

public class FrameLayoutBehavior extends CoordinatorLayout.Behavior<FrameLayout> {

    private float mFrTranslationY;

    public FrameLayoutBehavior (Context context, AttributeSet attrs) {
        super();
    }

    @Override
    public boolean layoutDependsOn(final CoordinatorLayout parent, final FrameLayout child, final View dependency) {
        return dependency instanceof Snackbar.SnackbarLayout;
    }

    @Override
    public boolean onDependentViewChanged(final CoordinatorLayout parent, final FrameLayout child, final View dependency) {
        if (dependency instanceof Snackbar.SnackbarLayout) {
            updateFabTranslationForSnackbar(parent, child, dependency);
            ViewCompat.setTranslationY(child, mFrTranslationY);
        }
        return false;
    }

    @Override
    public void onDependentViewRemoved(final CoordinatorLayout parent, final FrameLayout child, final View dependency) {
        super.onDependentViewRemoved(parent, child, dependency);
    }

    private void updateFabTranslationForSnackbar(CoordinatorLayout parent, final FrameLayout fab, View snackbar) {
        mFrTranslationY = getFabTranslationYForSnackbar(parent, fab, snackbar);
    }

    private float getFabTranslationYForSnackbar(CoordinatorLayout parent, FrameLayout fab, View snackbar) {
        float minOffset = 0;
        minOffset = Math.min(minOffset, ViewCompat.getTranslationY(snackbar) - snackbar.getHeight());
        return minOffset;
    }
}

---

就在片段的类声明上方。

编写您自己的行为，该行为对显示

Snackbar

作出反应：

public class FrameLayoutBehavior extends CoordinatorLayout.Behavior<FrameLayout> {

    private float mFrTranslationY;

    public FrameLayoutBehavior (Context context, AttributeSet attrs) {
        super();
    }

    @Override
    public boolean layoutDependsOn(final CoordinatorLayout parent, final FrameLayout child, final View dependency) {
        return dependency instanceof Snackbar.SnackbarLayout;
    }

    @Override
    public boolean onDependentViewChanged(final CoordinatorLayout parent, final FrameLayout child, final View dependency) {
        if (dependency instanceof Snackbar.SnackbarLayout) {
            updateFabTranslationForSnackbar(parent, child, dependency);
            ViewCompat.setTranslationY(child, mFrTranslationY);
        }
        return false;
    }

    @Override
    public void onDependentViewRemoved(final CoordinatorLayout parent, final FrameLayout child, final View dependency) {
        super.onDependentViewRemoved(parent, child, dependency);
    }

    private void updateFabTranslationForSnackbar(CoordinatorLayout parent, final FrameLayout fab, View snackbar) {
        mFrTranslationY = getFabTranslationYForSnackbar(parent, fab, snackbar);
    }

    private float getFabTranslationYForSnackbar(CoordinatorLayout parent, FrameLayout fab, View snackbar) {
        float minOffset = 0;
        minOffset = Math.min(minOffset, ViewCompat.getTranslationY(snackbar) - snackbar.getHeight());
        return minOffset;
    }
}

就在片段的类声明之上