WelcomeActivity.java

package com.taobao.splashscreen;

import android.content.Intent;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.View;

/**
 * An example full-screen activity that shows and hides the system UI (i.e.
 * status bar and navigation/system bar) with user interaction.
 */
public class WelcomeActivity extends AppCompatActivity {

    private View mContentView;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_welcome);

        mContentView = findViewById(R.id.fullscreen_content);


        mContentView.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LOW_PROFILE
                | View.SYSTEM_UI_FLAG_FULLSCREEN
                | View.SYSTEM_UI_FLAG_LAYOUT_STABLE
                | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY
                | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION
                | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION);

        mContentView.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
//                toggle();
            }
        });

    }

    @Override
    protected void onPostCreate(Bundle savedInstanceState) {
        super.onPostCreate(savedInstanceState);

        mContentView.postDelayed(new Runnable() {
            @Override
            public void run() {
                Intent intent = new Intent();
                intent.setClassName(getBaseContext(),"com.taobao.demo.MainActivity");
                startActivity(intent);
                finish();
                overridePendingTransition(-1,android.R.anim.slide_out_right);
            }
        },3000);
    }


}