app 启动页面

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public

class
SplashRootLayout extends

LinearLayout {

    public

SplashRootLayout(Context context, AttributeSet attrs) {

        super(context,
attrs);

    }

    public

SplashRootLayout(Context context) {

        super(context);

    }

    @Override

    protected

void
onDraw(Canvas canvas) {

        super.onDraw(canvas);

        postDelayed(splashRunnable,
3000);

    }

    private

Runnable splashRunnable = new

Runnable() {

        @Override

        public

void
run() {

            ViewGroup
p = (ViewGroup) getParent();

            if

(p != null)
{

                p.removeView(SplashRootLayout.this);

            }

            if

(mSplashDismissListener != null)
{

                mSplashDismissListener.onSplashDimiss(SplashRootLayout.this);

            }

        }

    };

    public

interface
OnSplashDismissListener {

        public

void
onSplashDimiss(SplashRootLayout v);

    }

    private

OnSplashDismissListener mSplashDismissListener;

    public

void
setOnSpalshDismissListener(OnSplashDismissListener l) {

        mSplashDismissListener
= l;

    }

}

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<com.package.SplashRootLayout

    android:id="@+id/splash_view"

    android:layout_width="match_parent"

    android:layout_height="match_parent"

    android:background="@color/white"

    android:gravity="center_horizontal"

    android:orientation="vertical"

>

    <some
splash view/>...

</com.package.SplashRootLayout>