public class MainActivity extends AppCompatActivity {
    TextView tt;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        tt = (TextView)findViewById(R.id.dd);
        int k=0;
        for(int i=0; i<9999; i++)
            for(int j=0; j<10000; j++)
                for(int jj=0; jj<100; jj++)
                k=i*j*j;
        tt.setText("OUT");
    }
}

<?xml version="1.0" encoding="utf-8"?>
<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">
    <TextView
        android:id="@+id/dd"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:text="Hello World!" />
</LinearLayout>