passwordutils.java

public class PasswordUtils {

  private static final String TAG = "PasswordUtils";
	private static boolean mScreenIsLocked = false;

	private static PasswordUtils mInstance = null;
//	private static KeyCachingService keyCachingService;
	private static Context mContext;

	private PasswordUtils(Context context) {
		// initialize KeyCachingService

//		Intent bindIntent = new Intent(context.getApplicationContext(), KeyCachingService.class);
//		context.getApplicationContext().bindService(bindIntent, serviceConnection, Context.BIND_AUTO_CREATE);
		
	}

	public static PasswordUtils getInstance(Context context) {
		if (mInstance == null) {
			mContext = context;
			mInstance = new PasswordUtils(context);
		}
		return mInstance;
	}
	
	public static void init(Context context){
		if (mInstance == null) {
			mInstance = new PasswordUtils(context);
		}
		
	}

//	public ServiceConnection serviceConnection = new ServiceConnection() {
//		public void onServiceConnected(ComponentName className, IBinder service) {
//
//			keyCachingService = ((KeyCachingService.KeyCachingBinder) service).getService();
//		}
//
//		public void onServiceDisconnected(ComponentName name) {
//			keyCachingService = null;
//		}
//	};

	public void setScreenLock(boolean isLocked) {
		mScreenIsLocked = isLocked;
	}

	public boolean screenIsLocked() {
		return mScreenIsLocked || !hasPassword();
	}

	public boolean hasPassword() {
		 return SecureComMmsSmsDatabaseHelper.getInstance(mContext).hasPassword() && PrivateKeyDatabaseHelper.getInstance(mContext).hasPassword();
//		if (keyCachingService == null) {
//			return false;
//		} else {
//			return keyCachingService.hasPassword();
//		}

	}

	public void failedCheckRedirect(Context context) {
		Intent myIntent = new Intent(context, KeyguardScreen.class);
		myIntent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
		myIntent.addFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP);
		context.startActivity(myIntent);
	}

	public void failedCheckRedirect(Context context, Intent intent) {
		Intent myIntent = new Intent(context, KeyguardScreen.class);
		myIntent.putExtra("failed_check_redirect", intent);
		context.startActivity(myIntent);
	}

}