引用：http://www.doc88.com/p-25324790893.html

new Handler().postDelayed(new Runnable() {
@Override
public void run() {
Intent mainIntent = new Intent(AndroidTTActivity.this,ImageCatalogActivity.class);
AndroidTTActivity.this.startActivity(mainIntent);
AndroidTTActivity.this.finish();
overridePendingTransition(android.R.anim.slide_in_left,android.R.anim.slide_out_right);
}
}, 3000);