keyscreen.java

@Override
  public void onClick(View v) {

		String password1 = mPass1View.getText().toString();
		
		if (mIsFirstTime) {

			String password2 = mPass2View.getText().toString();

			if (password1.equals(password2)) {
				checkIfGoodPassphrase(password1.trim());

			} else {
				// prompt the user
				toast(getString(R.string.pass_err_match));
				clearPassword();
				
				mPass1View.requestFocus();
			}

		} else {
			// initialize KeyCachingService, this will call the normalLogin method once it is bound
			Intent bindIntent = new Intent(this, KeyCachingService.class);
			bindService(bindIntent, serviceConnection, Context.BIND_AUTO_CREATE);
		}

		if (mCurrentPassAttempts >= MAX_PASS_ATTEMPTS) {
			toast(getString(R.string.pass_err_lock));
			try {
				toast("too many attempts, try again in " + PASS_RETRY_WAIT_TIMEOUT / 1000 + " seconds");
				Thread.sleep(PASS_RETRY_WAIT_TIMEOUT);
			} catch (Exception e) {
			}
			mCurrentPassAttempts = 0;

		}

	}
  
  ...
  
  private void normalLogin(String password) {
  	try {
			
			// try opening the VFS before the sql db since the latter relies on
			// the former
			java.io.File vfsDb = new java.io.File(this.getApplicationContext().getDir("vfs", Context.MODE_PRIVATE).getAbsoluteFile(),
					KeyguardScreenLoginFragment.SECURE_APP_PARTS_DB + ".db");
			VirtualFileSystem vfs = new VirtualFileSystem(vfsDb.getAbsolutePath());
			vfs.mount(password);
			
			// try opening the sql db
			String path = KeyguardScreen.this.getDatabasePath(SecureComMmsSmsDatabaseHelper.DATABASE_NAME).getPath();

			File dbFile = new File(path);
			if (dbFile.exists()) {
				SecureComMmsSmsDatabaseHelper.getInstance(this).getReadableDatabase();


			} else {
				throw new UnsupportedOperationException("database does not exist but should");
			}

			PasswordUtils.getInstance(this).setScreenLock(false);

			if (!MmsApp.sResourcesInitialized) {
				MmsApp.getApplication().initApplicationResources();
			}

			// startActivity(myIntent);
			startActivity(nextIntent);
			KeyguardScreen.this.finish();

		} catch (Exception e) {
			mCurrentPassAttempts++;
			toast(getString(R.string.err_pass));
			clearPassword();
			return;
		}
	}

	public ServiceConnection serviceConnection = new ServiceConnection() {
		public void onServiceConnected(ComponentName className, IBinder service) {
			String password = mPass1View.getText().toString();

			keyCachingService = ((KeyCachingService.KeyCachingBinder) service).getService();
			keyCachingService.setPassword(password);

			KeyguardScreen.this.unbindService(KeyguardScreen.this.serviceConnection);
			
			// manually set the password for the sql open helpers so they don't have to wait for a broadcast
			SecureComMmsSmsDatabaseHelper.getInstance(KeyguardScreen.this).initializeWithPassword(password);
			PrivateKeyDatabaseHelper.getInstance(KeyguardScreen.this).initializeWithPassword(password);
			
			Intent intent = new Intent(KeyguardScreen.this, KeyCachingService.class);
			intent.setAction(KeyCachingService.ACTIVITY_START_EVENT);
			startService(intent);
			
			normalLogin(password);
		
		}

		public void onServiceDisconnected(ComponentName name) {
			keyCachingService = null;
		}
	};