package com.ivercom.mymodelt; import android.support.v7.app.ActionBarActivity; import android.os.Bundle; import android.view.Menu; import android.view.MenuItem; import android.view.View; import android.widget.ImageButton; import java.io.File; import java.io.FileInputStream; import java.io.FileWriter; import java.io.InputStream; import java.io.FileOutputStream; import java.io.InputStream; import java.io.OutputStream; import java.io.PrintWriter; public class MainActivity extends ActionBarActivity { public static int xs1 = 1; public static int xs2 = 1; public static int xs3 = 1; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); } @Override public boolean onCreateOptionsMenu(Menu menu) { // Inflate the menu; this adds items to the action bar if it is present. getMenuInflater().inflate(R.menu.menu_main, menu); return true; } @Override public boolean onOptionsItemSelected(MenuItem item) { // Handle action bar item clicks here. The action bar will // automatically handle clicks on the Home/Up button, so long // as you specify a parent activity in AndroidManifest.xml. int id = item.getItemId(); //noinspection SimplifiableIfStatement if (id == R.id.action_settings) { return true; } return super.onOptionsItemSelected(item); } public class CopyFile { File f1 = new File("play.txt"); File f2 = new File("target.txt"); InputStream in = new FileInputStream(f1); OutputStream out = new FileOutputStream(f2); byte[] buf = new byte[80]; int len; while ((len = in.read(buf)) > 0) { out.write(buf, 0, len); } in.close(); out.close(); }