Example usage for android.content.pm PackageManager GET

Introduction

In this page you can find the example usage for android.content.pm PackageManager GET_SIGNATURES.

Prototype

int GET_SIGNATURES

To view the source code for android.content.pm PackageManager GET_SIGNATURES.

Click Source Link

Document

PackageInfo flag: return information about the signatures included in the package.

Usage

From source file:com.amansoni.tripbook.activity.FacebookActivity.java

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    // Add code to print out the key hash
    try {//w  w w . j  a va2  s  .c om
        PackageInfo info = getPackageManager().getPackageInfo("com.amansoni.tripbook",
                PackageManager.GET_SIGNATURES);
        for (Signature signature : info.signatures) {
            MessageDigest md = MessageDigest.getInstance("SHA");
            md.update(signature.toByteArray());
            Log.d("KeyHash:", Base64.encodeToString(md.digest(), Base64.DEFAULT));
        }
    } catch (PackageManager.NameNotFoundException e) {

    } catch (NoSuchAlgorithmException e) {

    }
    uiHelper = new UiLifecycleHelper(this, callback);
    uiHelper.onCreate(savedInstanceState);

    if (savedInstanceState != null) {
        String name = savedInstanceState.getString(PENDING_ACTION_BUNDLE_KEY);
        pendingAction = PendingAction.valueOf(name);
    }

    setContentView(R.layout.facebook_activity);

    loginButton = (LoginButton) findViewById(R.id.login_button);
    loginButton.setUserInfoChangedCallback(new LoginButton.UserInfoChangedCallback() {
        @Override
        public void onUserInfoFetched(GraphUser user) {
            FacebookActivity.this.user = user;
            updateUI();
            // It's possible that we were waiting for this.user to be populated in order to post a
            // status update.
            handlePendingAction();
        }
    });

    profilePictureView = (ProfilePictureView) findViewById(R.id.profilePicture);
    greeting = (TextView) findViewById(R.id.greeting);

    postStatusUpdateButton = (Button) findViewById(R.id.postStatusUpdateButton);
    postStatusUpdateButton.setOnClickListener(new View.OnClickListener() {
        public void onClick(View view) {
            onClickPostStatusUpdate();
        }
    });

    postPhotoButton = (Button) findViewById(R.id.postPhotoButton);
    postPhotoButton.setOnClickListener(new View.OnClickListener() {
        public void onClick(View view) {
            onClickPostPhoto();
        }
    });

    pickFriendsButton = (Button) findViewById(R.id.pickFriendsButton);
    pickFriendsButton.setOnClickListener(new View.OnClickListener() {
        public void onClick(View view) {
            onClickPickFriends();
        }
    });

    pickPlaceButton = (Button) findViewById(R.id.pickPlaceButton);
    pickPlaceButton.setOnClickListener(new View.OnClickListener() {
        public void onClick(View view) {
            onClickPickPlace();
        }
    });

    controlsContainer = (ViewGroup) findViewById(R.id.main_ui_container);

    final FragmentManager fm = getSupportFragmentManager();
    Fragment fragment = fm.findFragmentById(R.id.fragment_container);
    if (fragment != null) {
        // If we're being re-created and have a fragment, we need to a) hide the main UI controls and
        // b) hook up its listeners again.
        controlsContainer.setVisibility(View.GONE);
        if (fragment instanceof FriendPickerFragment) {
            setFriendPickerListeners((FriendPickerFragment) fragment);
        } else if (fragment instanceof PlacePickerFragment) {
            setPlacePickerListeners((PlacePickerFragment) fragment);
        }
    }

    // Listen for changes in the back stack so we know if a fragment got popped off because the user
    // clicked the back button.
    fm.addOnBackStackChangedListener(new FragmentManager.OnBackStackChangedListener() {
        @Override
        public void onBackStackChanged() {
            if (fm.getBackStackEntryCount() == 0) {
                // We need to re-show our UI.
                controlsContainer.setVisibility(View.VISIBLE);
            }
        }
    });

    // Can we present the share dialog for regular links?
    canPresentShareDialog = FacebookDialog.canPresentShareDialog(this,
            FacebookDialog.ShareDialogFeature.SHARE_DIALOG);
    // Can we present the share dialog for photos?
    canPresentShareDialogWithPhotos = FacebookDialog.canPresentShareDialog(this,
            FacebookDialog.ShareDialogFeature.PHOTOS);
}

From source file:com.namnv.project.kidpaint.HelloFacebookSampleActivity.java

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    // Add code to print out the key hash
    try {//from   w  w w . j  av  a2s. co  m
        PackageInfo info = getPackageManager().getPackageInfo("com.facebook.samples.hellofacebook",
                PackageManager.GET_SIGNATURES);
        for (Signature signature : info.signatures) {
            MessageDigest md = MessageDigest.getInstance("SHA");

            md.update(signature.toByteArray());
            Log.d("KeyHash:", Base64.encodeToString(md.digest(), Base64.DEFAULT));
        }
    } catch (PackageManager.NameNotFoundException e) {

    } catch (NoSuchAlgorithmException e) {

    }

    uiHelper = new UiLifecycleHelper(this, callback);
    uiHelper.onCreate(savedInstanceState);

    if (savedInstanceState != null) {
        String name = savedInstanceState.getString(PENDING_ACTION_BUNDLE_KEY);
        pendingAction = PendingAction.valueOf(name);
    }

    setContentView(R.layout.sample_main);

    loginButton = (LoginButton) findViewById(R.id.login_button);
    loginButton.setUserInfoChangedCallback(new LoginButton.UserInfoChangedCallback() {
        @Override
        public void onUserInfoFetched(GraphUser user) {
            HelloFacebookSampleActivity.this.user = user;
            updateUI();
            // It's possible that we were waiting for this.user to be populated in order to post a
            // status update.
            handlePendingAction();
        }
    });

    profilePictureView = (ProfilePictureView) findViewById(R.id.profilePicture);
    greeting = (TextView) findViewById(R.id.greeting);

    postStatusUpdateButton = (Button) findViewById(R.id.postStatusUpdateButton);
    postStatusUpdateButton.setOnClickListener(new View.OnClickListener() {
        public void onClick(View view) {
            onClickPostStatusUpdate();
        }
    });

    postPhotoButton = (Button) findViewById(R.id.postPhotoButton);
    postPhotoButton.setOnClickListener(new View.OnClickListener() {
        public void onClick(View view) {
            onClickPostPhoto();
        }
    });

    pickFriendsButton = (Button) findViewById(R.id.pickFriendsButton);
    pickFriendsButton.setOnClickListener(new View.OnClickListener() {
        public void onClick(View view) {
            onClickPickFriends();
        }
    });

    pickPlaceButton = (Button) findViewById(R.id.pickPlaceButton);
    pickPlaceButton.setOnClickListener(new View.OnClickListener() {
        public void onClick(View view) {
            onClickPickPlace();
        }
    });

    controlsContainer = (ViewGroup) findViewById(R.id.main_ui_container);

    final FragmentManager fm = getSupportFragmentManager();
    Fragment fragment = fm.findFragmentById(R.id.fragment_container);
    if (fragment != null) {
        // If we're being re-created and have a fragment, we need to a) hide the main UI controls and
        // b) hook up its listeners again.
        controlsContainer.setVisibility(View.GONE);
        if (fragment instanceof FriendPickerFragment) {
            setFriendPickerListeners((FriendPickerFragment) fragment);
        } else if (fragment instanceof PlacePickerFragment) {
            setPlacePickerListeners((PlacePickerFragment) fragment);
        }
    }

    // Listen for changes in the back stack so we know if a fragment got popped off because the user
    // clicked the back button.
    fm.addOnBackStackChangedListener(new FragmentManager.OnBackStackChangedListener() {
        @Override
        public void onBackStackChanged() {
            if (fm.getBackStackEntryCount() == 0) {
                // We need to re-show our UI.
                controlsContainer.setVisibility(View.VISIBLE);
            }
        }
    });

    // Can we present the share dialog for regular links?
    canPresentShareDialog = FacebookDialog.canPresentShareDialog(this,
            FacebookDialog.ShareDialogFeature.SHARE_DIALOG);
    // Can we present the share dialog for photos?
    canPresentShareDialogWithPhotos = FacebookDialog.canPresentShareDialog(this,
            FacebookDialog.ShareDialogFeature.PHOTOS);
}

From source file:util.facebook.FBManager.java

@Override
public void onCreate(Bundle savedInstanceState) {
    if (Define.g_bDebugTest) {
        try {//from w  ww . ja  v a 2 s .c o  m
            PackageInfo info = getApplicationContext().getPackageManager()
                    .getPackageInfo("com.wh.BluffingGirlEN", PackageManager.GET_SIGNATURES);
            for (Signature signature : info.signatures) {
                MessageDigest md = MessageDigest.getInstance("SHA");
                md.update(signature.toByteArray());
                Log.d("GameApp", "GameApp:" + Base64.encodeToString(md.digest(), Base64.DEFAULT));
            }
        } catch (NameNotFoundException e) {
            Log.e("GameApp:" + "name not found", "GameApp:" + e.toString());
        } catch (NoSuchAlgorithmException e) {
            Log.e("GameApp:" + "no such an algorithm", "GameApp:" + e.toString());
        }
    }

    super.onCreate(savedInstanceState);
    //here to change  fb application id for new session,
    //Define.MyLog(m_strAppID);
    //Session l_NewSession = new Session.Builder(getBaseContext()).setApplicationId(m_strAppID).build();
    //Session.setActiveSession(l_NewSession);

    uiHelper = new UiLifecycleHelper(this, callback);
    uiHelper.onCreate(savedInstanceState);
    if (savedInstanceState != null) {
        String name = savedInstanceState.getString(PENDING_ACTION_BUNDLE_KEY);
        pendingAction = PendingAction.valueOf(name);
    }
    setContentView(R.layout.fbmanagerlayout);
    loginButton = (LoginButton) findViewById(R.id.login_button);
    if (loginButton != null) {
        loginButton.setUserInfoChangedCallback(new LoginButton.UserInfoChangedCallback() {
            @Override
            public void onUserInfoFetched(GraphUser user) {
                FBManager.this.user = user;
                updateUI();
                // It's possible that we were waiting for this.user to be populated in order to post a
                // status update.
                handlePendingAction();
            }
        });
    }

    profilePictureView = (ProfilePictureView) findViewById(R.id.profilePicture);
    greeting = (TextView) findViewById(R.id.greeting);

    postStatusUpdateButton = (Button) findViewById(R.id.postStatusUpdateButton);
    postStatusUpdateButton.setOnClickListener(new View.OnClickListener() {
        public void onClick(View view) {
            onClickPostStatusUpdate();
        }
    });

    //postPhotoButton = (Button) findViewById(R.id.postPhotoButton);
    //postPhotoButton.setOnClickListener(new View.OnClickListener() {
    //    public void onClick(View view) {
    //        onClickPostPhoto();
    //    }
    //});

    //pickFriendsButton = (Button) findViewById(R.id.pickFriendsButton);
    //pickFriendsButton.setOnClickListener(new View.OnClickListener() {
    //    public void onClick(View view) {
    //        onClickPickFriends();
    //    }
    //});

    //pickPlaceButton = (Button) findViewById(R.id.pickPlaceButton);
    //pickPlaceButton.setOnClickListener(new View.OnClickListener() {
    //    public void onClick(View view) {
    //        onClickPickPlace();
    //    }
    //});

    controlsContainer = (ViewGroup) findViewById(R.id.main_ui_container);

    final FragmentManager fm = getSupportFragmentManager();
    Fragment fragment = fm.findFragmentById(R.id.fragment_container);
    if (fragment != null) {
        // If we're being re-created and have a fragment, we need to a) hide the main UI controls and
        // b) hook up its listeners again.
        controlsContainer.setVisibility(View.GONE);
        if (fragment instanceof FriendPickerFragment) {
            setFriendPickerListeners((FriendPickerFragment) fragment);
        } else if (fragment instanceof PlacePickerFragment) {
            setPlacePickerListeners((PlacePickerFragment) fragment);
        }
    }

    // Listen for changes in the back stack so we know if a fragment got popped off because the user
    // clicked the back button.
    fm.addOnBackStackChangedListener(new FragmentManager.OnBackStackChangedListener() {
        @Override
        public void onBackStackChanged() {
            if (fm.getBackStackEntryCount() == 0) {
                // We need to re-show our UI.
                controlsContainer.setVisibility(View.VISIBLE);
            }
        }
    });

    // Can we present the share dialog for regular links?
    canPresentShareDialog = FacebookDialog.canPresentShareDialog(this,
            FacebookDialog.ShareDialogFeature.SHARE_DIALOG);
    // Can we present the share dialog for photos?
    canPresentShareDialogWithPhotos = FacebookDialog.canPresentShareDialog(this,
            FacebookDialog.ShareDialogFeature.PHOTOS);
}

From source file:org.technovanza.technovanza14.HelloFacebookSampleActivity.java

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    Parse.initialize(this, "jWNXwn3j7fmaub8bFMWYy3sRWJgXCMaqCljKOUyn",
            "AmQgVA2i3Gc45vHfYwqfPcJJzAyvwihvmgYcRx86");

    uiHelper = new UiLifecycleHelper(this, callback);
    uiHelper.onCreate(savedInstanceState);

    try {//from  w ww .  j a  v a2s.  co m
        PackageInfo info = getPackageManager().getPackageInfo(getPackageName(), PackageManager.GET_SIGNATURES);
        for (Signature signature : info.signatures) {
            MessageDigest md = MessageDigest.getInstance("SHA");
            md.update(signature.toByteArray());
            String sign = Base64.encodeToString(md.digest(), Base64.DEFAULT);
            Log.e("MY KEY HASH:", sign);
            Toast.makeText(getApplicationContext(), sign, Toast.LENGTH_LONG).show();
            Log.d("mohit", "Signature" + sign);
            System.out.println("Signature" + sign);

            //  TextView tvmyName = (TextView)findViewById(R.id.txtv);
            //    /tvmyName.setText(Base64.encodeToString((md.digest()));

        }
    } catch (NameNotFoundException e) {
        Log.d("mohit", "Exception 1" + e);
    } catch (NoSuchAlgorithmException e) {
        Log.d("mohit", "Exception 2" + e);

    }

    if (savedInstanceState != null) {
        String name = savedInstanceState.getString(PENDING_ACTION_BUNDLE_KEY);
        pendingAction = PendingAction.valueOf(name);
    }

    setContentView(R.layout.main);

    loginButton = (LoginButton) findViewById(R.id.login_button);
    loginButton.setUserInfoChangedCallback(new LoginButton.UserInfoChangedCallback() {
        @Override
        public void onUserInfoFetched(GraphUser user) {
            HelloFacebookSampleActivity.this.user = user;
            updateUI();
            // It's possible that we were waiting for this.user to be populated in order to post a
            // status update.
            handlePendingAction();
        }
    });
    inviteFriends = (Button) findViewById(R.id.inviteFriends);
    inviteFriends.setOnClickListener(new View.OnClickListener() {
        public void onClick(View view) {
            onClickInviteFriends();
        }
    });

    profilePictureView = (ProfilePictureView) findViewById(R.id.profilePicture);
    greeting = (TextView) findViewById(R.id.greeting);

    postStatusUpdateButton = (Button) findViewById(R.id.postStatusUpdateButton);
    postStatusUpdateButton.setOnClickListener(new View.OnClickListener() {
        public void onClick(View view) {
            onClickPostStatusUpdate();
        }
    });

    postPhotoButton = (Button) findViewById(R.id.postPhotoButton);
    postPhotoButton.setOnClickListener(new View.OnClickListener() {
        public void onClick(View view) {
            onClickPostPhoto();
        }
    });
    technoPage = (Button) findViewById(R.id.TechnoPage);
    technoPage.setOnClickListener(new View.OnClickListener() {

        @Override
        public void onClick(View v) {
            //TODO Auto-generated method stub

            Intent facebookIntent = getOpenFacebookIntent(HelloFacebookSampleActivity.this);
            startActivity(facebookIntent);
        }
    });

    pickFriendsButton = (Button) findViewById(R.id.pickFriendsButton);
    pickFriendsButton.setOnClickListener(new View.OnClickListener() {
        public void onClick(View view) {
            onClickPickFriends();
        }
    });

    pickPlaceButton = (Button) findViewById(R.id.pickPlaceButton);
    pickPlaceButton.setOnClickListener(new View.OnClickListener() {
        public void onClick(View view) {
            onClickPickPlace();
        }
    });

    controlsContainer = (ViewGroup) findViewById(R.id.main_ui_container);

    final FragmentManager fm = getSupportFragmentManager();
    Fragment fragment = fm.findFragmentById(R.id.fragment_container);
    if (fragment != null) {
        // If we're being re-created and have a fragment, we need to a) hide the main UI controls and
        // b) hook up its listeners again.
        controlsContainer.setVisibility(View.GONE);
        if (fragment instanceof FriendPickerFragment) {
            setFriendPickerListeners((FriendPickerFragment) fragment);
        } else if (fragment instanceof PlacePickerFragment) {
            setPlacePickerListeners((PlacePickerFragment) fragment);
        }
    }

    // Listen for changes in the back stack so we know if a fragment got popped off because the user
    // clicked the back button.
    fm.addOnBackStackChangedListener(new FragmentManager.OnBackStackChangedListener() {
        @Override
        public void onBackStackChanged() {
            if (fm.getBackStackEntryCount() == 0) {
                // We need to re-show our UI.
                controlsContainer.setVisibility(View.VISIBLE);
            }
        }
    });

    // Can we present the share dialog for regular links?
    canPresentShareDialog = FacebookDialog.canPresentShareDialog(this,
            FacebookDialog.ShareDialogFeature.SHARE_DIALOG);
    // Can we present the share dialog for photos?
    canPresentShareDialogWithPhotos = FacebookDialog.canPresentShareDialog(this,
            FacebookDialog.ShareDialogFeature.PHOTOS);
}

From source file:com.nokia.example.pepperfarm.iap.Payment.java

/**
 * Checks SHA1 fingerprint of the enabler
 *
 * @return true if signature matches, false if package is not found or signature does not match.
 *///from   ww  w  . j  av a2 s . co m
private boolean verifyFingreprint() {

    try {
        PackageInfo info = activity.getBaseContext().getPackageManager().getPackageInfo(ENABLER_PACKAGENAME,
                PackageManager.GET_SIGNATURES);

        if (info.signatures.length == 1) {

            byte[] cert = info.signatures[0].toByteArray();
            MessageDigest digest;
            digest = MessageDigest.getInstance("SHA1");
            byte[] ENABLER_FINGERPRINT = digest.digest(cert);
            byte[] EXPECTED_FINGERPRINT = hexStringToByteArray(EXPECTED_SHA1_FINGERPRINT);

            if (Arrays.equals(ENABLER_FINGERPRINT, EXPECTED_FINGERPRINT)) {
                Log.i("isBillingAvailable", "NIAP signature verified");
                return true;
            }
        }
    } catch (NoSuchAlgorithmException e) {
        e.printStackTrace();
    } catch (NameNotFoundException e) {
        e.printStackTrace();
    }
    return false;
}

From source file:com.example.yudiandrean.socioblood.LoginActivity.java

@Override
public void onCreate(Bundle savedInstanceState) {

    super.onCreate(savedInstanceState);

    //FacebookSdk.sdkInitialize(this.getApplicationContext());
    setContentView(R.layout.activity_login);

    try {//from   www  .j  av  a 2s  .  co  m
        PackageInfo info = getPackageManager().getPackageInfo(getPackageName(), PackageManager.GET_SIGNATURES);
        for (Signature signature : info.signatures) {
            MessageDigest md = MessageDigest.getInstance("SHA");
            md.update(signature.toByteArray());
            Log.d("KeyHash:", Base64.encodeToString(md.digest(), Base64.DEFAULT));
        }
    } catch (PackageManager.NameNotFoundException e) {
    } catch (NoSuchAlgorithmException e) {
    }

    TwitterAuthConfig authConfig = new TwitterAuthConfig(TWITTER_KEY, TWITTER_SECRET);
    Fabric.with(this, new Twitter(authConfig));
    //instantiate callbacks manager
    //mCallbackManager = CallbackManager.Factory.create();

    inputEmail = (EditText) findViewById(R.id.email);
    inputPassword = (EditText) findViewById(R.id.password);
    Btnregister = (Button) findViewById(R.id.registerbtn);
    btnLogin = (Button) findViewById(R.id.login);
    passreset = (Button) findViewById(R.id.passres);
    //        facebookLogin = (LoginButton) findViewById(R.id.facebook_login);
    //facebookLogin.setReadPermissions(permissionNeeds);

    session = new SessionManager(getApplicationContext());

    // Check if user is already logged in or not
    if (session.isLoggedIn()) {
        // User is already logged in. Take him to main activity
        Intent intent = new Intent(LoginActivity.this, FeedActivity.class);
        startActivity(intent);
        finish();
    }

    //        accessTokenTracker = new AccessTokenTracker() {
    //            @Override
    //            protected void onCurrentAccessTokenChanged(
    //                    AccessToken oldAccessToken,
    //                    AccessToken currentAccessToken) {
    //                // App code
    //            }
    //        };
    //
    //        profileTracker = new ProfileTracker() {
    //            @Override
    //            protected void onCurrentProfileChanged(
    //                    Profile oldProfile,
    //                    Profile currentProfile) {
    //                // App code
    //            }
    //        };

    passreset.setOnClickListener(new View.OnClickListener() {
        public void onClick(View view) {
            Intent myIntent = new Intent(view.getContext(), PasswordReset.class);
            startActivityForResult(myIntent, 0);
            finish();
        }
    });

    Btnregister.setOnClickListener(new View.OnClickListener() {
        public void onClick(View view) {
            Intent myIntent = new Intent(view.getContext(), Register.class);
            startActivityForResult(myIntent, 0);
            finish();
        }
    });

    /**
     * Login button click event
     * A Toast is set to alert when the Email and Password field is empty
     **/
    btnLogin.setOnClickListener(new View.OnClickListener() {

        public void onClick(View view) {

            if ((!inputEmail.getText().toString().equals(""))
                    && (!inputPassword.getText().toString().equals(""))) {
                NetAsync(view);
            } else if ((!inputEmail.getText().toString().equals(""))) {
                Toast.makeText(getApplicationContext(), "Password field empty", Toast.LENGTH_SHORT).show();
            } else if ((!inputPassword.getText().toString().equals(""))) {
                Toast.makeText(getApplicationContext(), "Email field empty", Toast.LENGTH_SHORT).show();
            } else {
                Toast.makeText(getApplicationContext(), "Email and Password field are empty",
                        Toast.LENGTH_SHORT).show();
            }
        }
    });

    //        //facebook login
    //        facebookLogin.registerCallback(mCallbackManager, new FacebookCallback<LoginResult>() {
    //
    //
    //            @Override
    //            public void onSuccess(LoginResult loginResults) {
    //                //login ok  get access token
    //                AccessToken.getCurrentAccessToken();
    //
    //
    //            }
    //
    //            @Override
    //            public void onCancel() {
    //
    //                Toast.makeText(getApplicationContext(),
    //                        "Login Cancelled", Toast.LENGTH_SHORT).show();
    //            }
    //
    //
    //            @Override
    //            public void onError(FacebookException e) {
    //                Toast.makeText(getApplicationContext(),
    //                        "Login Failed!", Toast.LENGTH_SHORT).show();
    //            }
    //        });

    //Session Manager

    //        TwitterSession session =
    //                Twitter.getSessionManager().getActiveSession();
    //        TwitterAuthToken authToken = session.getAuthToken();
    //        String token = authToken.token;
    //        String secret = authToken.secret;

    //Guest Authentication
    TwitterCore.getInstance().logInGuest(new Callback<AppSession>() {
        @Override
        public void success(Result<AppSession> result) {
            AppSession guestAppSession = result.data;
        }

        @Override
        public void failure(TwitterException exception) {
            // unable to get an AppSession with guest auth
        }
    });

}

From source file:com.ved.musicmapapp.LoginAcitivity.java

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.layout_login_facebook);
    checkGooglePlayService();/*from   w  ww . ja  v a 2 s  .  co  m*/

    isMusics = false;
    isMovies = false;
    isBooks = false;
    isGames = false;
    isMe = false;

    prefs = getSharedPreferences("MUSIC_MAP", MODE_PRIVATE);
    edt = prefs.edit();

    btnLogin = findViewById(R.id.btn_login);
    TextView discover_heading = (TextView) findViewById(R.id.discover_heading);
    Typeface tf = Typeface.createFromAsset(getAssets(), "open_sans_regular.ttf");
    discover_heading.setTypeface(tf);

    btnLogin.setOnClickListener(this);

    pd = new ProgressDialog(this);
    pd.setMessage("Logging...");
    pd.setCancelable(false);

    if (getIntent().getBooleanExtra("LOGOUT", false)) {
        onClickLogout();
    }

    initFacebook(savedInstanceState);

    try {
        PackageInfo info = getPackageManager().getPackageInfo(getPackageName(), PackageManager.GET_SIGNATURES);
        for (Signature signature : info.signatures) {
            MessageDigest md = MessageDigest.getInstance("SHA");
            md.update(signature.toByteArray());
            Log.i("PXR", com.ved.musicmapapp.utils.Base64.encodeBytes(md.digest()));
        }
    } catch (NameNotFoundException e) {
    } catch (NoSuchAlgorithmException e) {
    }

    updateView();
}

From source file:com.raspberry.library.util.AppUtils.java

/**
 * Judge whether an app is dubuggable/*from  w  w  w  .  j  a  v  a2  s. c o  m*/
 *
 * @param ctx
 * @return
 */
public static boolean isDebuggable(Context ctx) {
    boolean debuggable = false;
    try {
        PackageInfo pinfo = ctx.getPackageManager().getPackageInfo(ctx.getPackageName(),
                PackageManager.GET_SIGNATURES);
        Signature signatures[] = pinfo.signatures;
        for (int i = 0; i < signatures.length; i++) {
            CertificateFactory cf = CertificateFactory.getInstance("X.509");
            ByteArrayInputStream stream = new ByteArrayInputStream(signatures[i].toByteArray());
            X509Certificate cert = (X509Certificate) cf.generateCertificate(stream);
            debuggable = cert.getSubjectX500Principal().equals(DEBUG_DN);
            if (debuggable) {
                break;
            }
        }

    } catch (NameNotFoundException e) {
    } catch (CertificateException e) {
    }
    return debuggable;
}

From source file:com.facebook.samples.hellofacebook.MapFriends.java

private void getKeyHash() {
    try {/*  w w w. j ava  2s .  c  om*/
        PackageInfo info = getPackageManager().getPackageInfo(getPackageName(), PackageManager.GET_SIGNATURES);
        for (Signature signature : info.signatures) {
            MessageDigest md = MessageDigest.getInstance("SHA");
            md.update(signature.toByteArray());
            Log.d("KeyHash:", Base64.encodeToString(md.digest(), Base64.DEFAULT));
        }
    } catch (NameNotFoundException e) {
        Log.d("getKeyHash()", "NameNotFoundException");
    } catch (NoSuchAlgorithmException e) {
        Log.d("getKeyHash()", "NoSuchAlgorithmException");
    }
}

From source file:com.code19.library.SystemUtils.java

public static String getSign(Context context, String pkgName) {
    try {/*from w  w w  .j  a va  2s .c  o m*/
        PackageInfo pis = context.getPackageManager().getPackageInfo(pkgName, PackageManager.GET_SIGNATURES);
        return hexdigest(pis.signatures[0].toByteArray());
    } catch (NameNotFoundException e) {
        throw new RuntimeException(SystemUtils.class.getName() + "the " + pkgName + "'s application not found");
    }
}

Example usage for android.content.pm PackageManager GET_SIGNATURES

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