xml

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".MainActivity"
    android:gravity="center">

    <TextView
        android:id="@+id/text"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="欢迎"
        android:textSize="30sp"/>

</LinearLayout>

Activity

import android.content.Intent;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.support.v7.app.AppCompatActivity;

public class MainActivity extends AppCompatActivity {

    int a=2;
    private Handler handler=new Handler(){
        @Override
        public void handleMessage(Message msg) {
            super.handleMessage(msg);
            if (msg.what==1){
                if (a>0){
                    a--;
                    handler.sendEmptyMessageDelayed(1,1000);
                }else {
                    Intent intent = new Intent(MainActivity.this, Main2Activity.class);
                    startActivity(intent);

                    overridePendingTransition(R.anim.anim, R.anim.anim1);
                }
            }
        }
    };

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        initView();
    }

    private void initView() {
        handler.sendEmptyMessageDelayed(1,0);
    }
}

anim

<set xmlns:android="http://schemas.android.com/apk/res/android">
    <translate android:fromXDelta="100%" android:toXDelta="0%" android:duration="1000"></translate>
</set>

anim1

<set xmlns:android="http://schemas.android.com/apk/res/android">
    <translate android:fromXDelta="0%" android:toXDelta="-100%" android:duration="1000"></translate>
</set>