Java tutorial
package com.mobshep.mobileshepherd; import java.io.File; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import android.content.ClipData; import android.content.ClipboardManager; import android.content.Context; import android.content.Intent; import android.os.Bundle; import android.os.Handler; import android.support.design.widget.NavigationView; import android.support.v4.view.GravityCompat; import android.support.v4.widget.DrawerLayout; import android.support.v7.app.ActionBarDrawerToggle; import android.support.v7.widget.Toolbar; import android.view.MenuItem; import android.view.View; import android.widget.Button; import android.widget.Toast; /** * This file is part of the Security Shepherd Project. * * The Security Shepherd project is free software: you can redistribute it * and/or modify it under the terms of the GNU General Public License as * published by the Free Software Foundation, either version 3 of the License, * or (at your option) any later version.<br/> * * The Security Shepherd project is distributed in the hope that it will be * useful, but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General * Public License for more details.<br/> * * You should have received a copy of the GNU General Public License along with * the Security Shepherd project. If not, see <http://www.gnu.org/licenses/>. * * @author Sean Duggan */ public class BrokenCrypto1 extends MainActivity implements NavigationView.OnNavigationItemSelectedListener { Button messageOne, messageTwo, messageThree; @Override public void onCreate(Bundle savedInstanceState) { // TODO Auto-generated method stub super.onCreate(savedInstanceState); setContentView(R.layout.broken_layout1); referenceXML(); Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar); setSupportActionBar(toolbar); DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout); ActionBarDrawerToggle toggle = new ActionBarDrawerToggle(this, drawer, toolbar, R.string.navigation_drawer_open, R.string.navigation_drawer_close); drawer.setDrawerListener(toggle); toggle.syncState(); NavigationView navigationView = (NavigationView) findViewById(R.id.nav_view); navigationView.setNavigationItemSelectedListener(this); String destinationDir = "/data/data/" + getPackageName() + "/encrypt/"; String destinationPath = destinationDir + "desKey"; File f = new File(destinationPath); if (!f.exists()) { File directory = new File(destinationDir); directory.mkdirs(); // assets members.db -> /databases/ try { copyKey(getBaseContext().getAssets().open("desKey"), new FileOutputStream(destinationPath)); } catch (FileNotFoundException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } } startTimerOne(); startTimerTwo(); startTimerThree(); } @Override public void onBackPressed() { DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout); if (drawer.isDrawerOpen(GravityCompat.START)) { drawer.closeDrawer(GravityCompat.START); } else { super.onBackPressed(); } } private void startTimerOne() { final Handler handler = new Handler(); Runnable runnable = new Runnable() { public void run() { try { Thread.sleep(2000); } catch (InterruptedException e) { e.printStackTrace(); } handler.post(new Runnable() { public void run() { messageOne.setVisibility(View.VISIBLE); } }); } }; new Thread(runnable).start(); } private void startTimerTwo() { final Handler handler = new Handler(); Runnable runnable = new Runnable() { public void run() { try { Thread.sleep(5000); } catch (InterruptedException e) { e.printStackTrace(); } handler.post(new Runnable() { public void run() { messageTwo.setVisibility(View.VISIBLE); } }); } }; new Thread(runnable).start(); } private void startTimerThree() { final Handler handler = new Handler(); Runnable runnable = new Runnable() { public void run() { try { Thread.sleep(7000); } catch (InterruptedException e) { e.printStackTrace(); } handler.post(new Runnable() { public void run() { messageThree.setVisibility(View.VISIBLE); } }); } }; new Thread(runnable).start(); } public void copyKey(InputStream iStream, OutputStream oStream) throws IOException { byte[] buffer = new byte[1024]; int i; while ((i = iStream.read(buffer)) > 0) { oStream.write(buffer, 0, i); } iStream.close(); oStream.close(); } public void copyMessage1(View v) { String copiedMessage = messageOne.getText().toString(); ClipboardManager clipboard = (ClipboardManager) getSystemService(Context.CLIPBOARD_SERVICE); ClipData clip = ClipData.newPlainText("message1", copiedMessage); clipboard.setPrimaryClip(clip); showToast(); } public void copyMessage2(View v) { String copiedMessage2 = messageTwo.getText().toString(); ClipboardManager clipboard = (ClipboardManager) getSystemService(Context.CLIPBOARD_SERVICE); ClipData clip = ClipData.newPlainText("message2", copiedMessage2); clipboard.setPrimaryClip(clip); showToast(); } public void copyMessage3(View v) { String copiedMessage3 = messageThree.getText().toString(); ClipboardManager clipboard = (ClipboardManager) getSystemService(Context.CLIPBOARD_SERVICE); ClipData clip = ClipData.newPlainText("message3", copiedMessage3); clipboard.setPrimaryClip(clip); showToast(); } private void showToast() { Toast copied = Toast.makeText(BrokenCrypto1.this, "Message copied to clipboard.", Toast.LENGTH_LONG); copied.show(); } private void referenceXML() { // TODO Auto-generated method stub messageOne = (Button) findViewById(R.id.bc1Message1); messageTwo = (Button) findViewById(R.id.bc1Message2); messageThree = (Button) findViewById(R.id.bc1Message3); messageOne.setVisibility(View.INVISIBLE); messageTwo.setVisibility(View.INVISIBLE); messageThree.setVisibility(View.INVISIBLE); } }