MainActivity.java

package com.tmh.victim;

import androidx.appcompat.app.AppCompatActivity;

import android.os.Bundle;

public class MainActivity extends AppCompatActivity {

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

        if (getIntent().getBooleanExtra("bgtask", false)) {
            moveTaskToBack(true);
        }
    }
}