Example usage for android.support.v4.app FragmentManager getBackStackEntryCount

Introduction

In this page you can find the example usage for android.support.v4.app FragmentManager getBackStackEntryCount.

Prototype

public abstract int getBackStackEntryCount();

Source Link

Document

Return the number of entries currently in the back stack.

Usage

From source file:com.supremainc.biostar2.main.HomeActivity.java

@Override
public void onBackPressed() {
    FragmentManager fm = getSupportFragmentManager();

    if (fm.getBackStackEntryCount() > 0) {
        super.onBackPressed();
        return;/*from  w  w w .j a  va2  s  .  co  m*/
    }

    if (ScreenType.MAIN == mScreen) {
        mPopup.show(PopupType.ALERT, getString(R.string.quit), getString(R.string.quit_question),
                new OnPopupClickListener() {
                    @Override
                    public void OnPositive() {
                        // finish();
                        moveTaskToBack(true);
                        android.os.Process.killProcess(android.os.Process.myPid());
                    }

                    @Override
                    public void OnNegative() {
                    }
                }, getString(R.string.ok), getString(R.string.cancel));
    } else {
        if (fm.getBackStackEntryCount() > 0) {
            super.onBackPressed();
            // fm.popBackStack();
        } else {
            gotoScreen(ScreenType.MAIN, null, false);
        }
    }
}

---

From source file:sample.multithreading.DownloaderActivity.java

@Override
public void onCreate(Bundle paramBundle) {
    super.onCreate(paramBundle);
    getWindow().setFlags(/*from  w  ww.j av a  2 s .  c  om*/
            WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN
                    | WindowManager.LayoutParams.FLAG_LAYOUT_INSET_DECOR,
            WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN
                    | WindowManager.LayoutParams.FLAG_LAYOUT_INSET_DECOR);
    CompatibleActionBar localCompatibleActionBar = getCompatibleActionBar();
    localCompatibleActionBar.requestOverlayMode();
    this.mMainView = getLayoutInflater().inflate(R.layout.fragmenthost, null);
    setContentView(this.mMainView);
    localCompatibleActionBar.setBackgroundDrawable(getResources().getDrawable(R.drawable.actionbarbg));
    localCompatibleActionBar.setDisplayUseLogoEnabled(true);
    localCompatibleActionBar.setLogo(R.drawable.picasalogo);
    View localView = getLayoutInflater().inflate(R.layout.progress, null);
    localCompatibleActionBar.setCustomView(localView);
    this.mActionBarProgressText = ((TextView) localView.findViewById(R.id.actionBarProgressText));
    IntentFilter localIntentFilter = new IntentFilter(NetworkDownloadService.BROADCAST_ACTION);
    localIntentFilter.addCategory(Intent.CATEGORY_DEFAULT);
    this.mReceiver = new ResponseReceiver();
    LocalBroadcastManager.getInstance(this).registerReceiver(this.mReceiver, localIntentFilter);
    IntentFilter fragmentIntentFilter = new IntentFilter(ACTION_VIEW_IMAGE);
    fragmentIntentFilter.addDataScheme("http");
    LocalBroadcastManager.getInstance(this).registerReceiver(mIntentReceiver, fragmentIntentFilter);

    fragmentIntentFilter = new IntentFilter(ACTION_ZOOM_IMAGE);
    LocalBroadcastManager.getInstance(this).registerReceiver(mIntentReceiver, fragmentIntentFilter);

    FragmentManager localFragmentManager = getSupportFragmentManager();
    this.mSideBySide = getResources().getBoolean(R.bool.sideBySide);
    this.mHideNavigation = getResources().getBoolean(R.bool.hideNavigation);
    localFragmentManager.addOnBackStackChangedListener(this);
    if (paramBundle == null) {
        FragmentTransaction localFragmentTransaction = localFragmentManager.beginTransaction();
        localFragmentTransaction.add(R.id.fragmentHost, new ThumbnailFragment(), THUMBNAIL_FRAGMENT_TAG);
        localFragmentTransaction.commit();
    } else {
        mFullScreen = paramBundle.getBoolean(EXTRA_FULLSCREEN);
        setFullScreen(mFullScreen);
        mPreviousStackCount = localFragmentManager.getBackStackEntryCount();
    }
}

---

From source file:com.example.minigameapp.NewLogin.java

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    uiHelper = new UiLifecycleHelper(this, callback);
    uiHelper.onCreate(savedInstanceState);

    if (savedInstanceState != null) {
        String name = savedInstanceState.getString(PENDING_ACTION_BUNDLE_KEY);
        pendingAction = PendingAction.valueOf(name);
    }//from ww  w  .  ja va 2  s .  co m

    setContentView(R.layout.new_login);

    loginButton = (LoginButton) findViewById(R.id.login_button);
    loginButton.setUserInfoChangedCallback(new LoginButton.UserInfoChangedCallback() {
        public void onUserInfoFetched(GraphUser user) {
            NewLogin.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);

    }

    // 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() {
        public void onBackStackChanged() {
            if (fm.getBackStackEntryCount() == 0) {
                // We need to re-show our UI.
                controlsContainer.setVisibility(View.VISIBLE);
            }
        }
    });
}

---

From source file:com.supremainc.biostar2.main.HomeActivity.java

/**
 * 1 depth menu???. stack??? clear//  w  w w  .jav a  2s. co m
 *
 * @param type
 * @param args
 */
public void gotoScreen(ScreenType type, Bundle args, boolean skipAni) {
    if (type == null) {
        return;
    }

    if (activityScreen(type, args)) {
        return;
    }

    switch (type) {
    case LOG_OUT:
        logOut();
        return;
    case OPEN_MENU:
        mLayout.onDrawMenu();
        return;
    default:
        break;
    }

    BaseFragment fragment = createFragement(type, args);
    if (fragment == null) {
        if (BuildConfig.DEBUG) {
            Log.e(TAG, "fragment null gotoScreen:" + type);
        }
        mLayout.closeDrawer();
        return;
    }
    mFragment = fragment;

    if (BuildConfig.DEBUG) {
        Log.i(TAG, "gotoScreen:" + type);
    }

    FragmentManager fm = getSupportFragmentManager();
    for (int i = 0; i < fm.getBackStackEntryCount(); ++i) {
        fm.popBackStack();
    }

    FragmentTransaction transaction = fm.beginTransaction();
    if (!skipAni) {
        if (type == ScreenType.MAIN) {
            transaction.setCustomAnimations(R.anim.enter_from_left, R.anim.exit_to_right);
        } else {
            transaction.setCustomAnimations(R.anim.enter_from_right, R.anim.exit_to_left,
                    R.anim.enter_from_left, R.anim.exit_to_right);
        }
    }
    transaction.replace(R.id.content_frame, mFragment);
    transaction.commitAllowingStateLoss();
    if (type != ScreenType.MAIN) {
        mHandler.postDelayed(mCloseDrawer, 200);
    }
}

---

From source file:org.getlantern.firetweet.activity.support.HomeActivity.java

@Override
public boolean onOptionsItemSelected(final MenuItem item) {
    switch (item.getItemId()) {
    case MENU_HOME: {
        final FragmentManager fm = getSupportFragmentManager();
        final int count = fm.getBackStackEntryCount();

        if (mSlidingMenu.isMenuShowing()) {
            mSlidingMenu.showContent();/*from  ww  w.  ja  v a  2s  .co  m*/
            return true;
        } else if (count == 0) {
            mSlidingMenu.showMenu();
            return true;
        }
        return true;
    }
    case MENU_SEARCH: {
        openSearchView(mSelectedAccountToSearch);
        return true;
    }
    case MENU_ACTIONS: {
        triggerActionsClick();
        return true;
    }
    }
    return super.onOptionsItemSelected(item);
}

---

From source file:com.nadmm.airports.ActivityBase.java

@Override
public void onBackPressed() {
    // If the drawer is open, back will close it
    if (mDrawerLayout != null && mDrawerLayout.isDrawerOpen(GravityCompat.START)) {
        mDrawerLayout.closeDrawers();//from w  w  w .  j  a v  a  2  s  .com
        return;
    }
    // Otherwise, it may return to the previous fragment stack
    FragmentManager fragmentManager = getSupportFragmentManager();
    if (fragmentManager.getBackStackEntryCount() > 0) {
        fragmentManager.popBackStack();
    } else {
        // Lastly, it will rely on the system behavior for back
        super.onBackPressed();
    }
}

---

From source file:cn.edu.zafu.corepage.base.BaseActivity.java

/**
 * ?activitifragment// w  w w  . j  a v  a2s. co  m
 * @param pageName page??
 * @param bundle ?
 * @param findAcitivity ?activity
 * @return ??
 */
protected boolean popFragmentInActivity(final String pageName, Bundle bundle, BaseActivity findAcitivity) {
    if (pageName == null || findAcitivity == null || findAcitivity.isFinishing()) {
        return false;
    } else {
        final FragmentManager fragmentManager = findAcitivity.getSupportFragmentManager();
        if (fragmentManager != null) {
            Fragment frg = fragmentManager.findFragmentByTag(pageName);
            if (frg != null && frg instanceof BaseFragment) {
                if (fragmentManager.getBackStackEntryCount() > 1 && mHandler != null) {
                    mHandler.postDelayed(new Runnable() {
                        @Override
                        public void run() {
                            fragmentManager.popBackStack(pageName, 0);
                        }
                    }, 100);
                }
                ((BaseFragment) frg).onFragmentDataReset(bundle);
                return true;
            }
        }
    }
    return false;
}

---

From source file:com.dwdesign.tweetings.activity.HomeActivity.java

@Override
public void onBackPressed() {
    final FragmentManager fm = getSupportFragmentManager();
    if (fm.getBackStackEntryCount() == 0
            && !mPreferences.getBoolean(PREFERENCE_KEY_STOP_SERVICE_AFTER_CLOSED, false)
            && mPreferences.getBoolean(PREFERENCE_KEY_KEEP_IN_BACKGROUND, false)) {
        moveTaskToBack(true);/*from   ww  w  .  j av a2  s. c o  m*/
        return;
    }
    super.onBackPressed();
}

---

From source file:com.sith.login.FBLoginActivity.java

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

    getActionBar().setDisplayHomeAsUpEnabled(true);

    // redirectState=getIntent().getExtras().getString("riderect_state");
    isConnect = getIntent().getExtras().getBoolean("isConnect");

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

    if (savedInstanceState != null) {
        String name = savedInstanceState.getString(PENDING_ACTION_BUNDLE_KEY);
        pendingAction = PendingAction.valueOf(name);
    }// www  .  jav a 2s. com

    setContentView(R.layout.login);

    FragmentManager fm1 = getSupportFragmentManager();
    fragments[LOGINMETHOD] = fm1.findFragmentById(R.id.loginMethodFragment);
    fragments[PROFILE] = fm1.findFragmentById(R.id.profileFragment);

    FragmentTransaction transaction = fm1.beginTransaction();
    for (int i = 0; i < fragments.length; i++) {
        transaction.hide(fragments[i]);
    }
    transaction.commit();

    loginButton = (LoginButton) findViewById(R.id.login_button);
    List<String> additionalPermissions = new ArrayList<String>();
    additionalPermissions.add("publish_stream");
    additionalPermissions.add("publish_actions");
    loginButton.setPublishPermissions(additionalPermissions);
    loginButton.setUserInfoChangedCallback(new LoginButton.UserInfoChangedCallback() {
        // @Override
        public void onUserInfoFetched(GraphUser user) {
            FBLoginActivity.this.user = user;
            updateUserInfo();
            // It's possible that we were waiting for this.user to
            // be populated in order to post a
            // status update.
            handlePendingAction();
        }
    });

    profilePictureViewFB = (ProfilePictureView) findViewById(R.id.profilePictureFB);
    greeting = (TextView) findViewById(R.id.greeting);

    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);

    }

    // 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);
            }
        }
    });

    // Fonts
    Typeface tf = Typeface.createFromAsset(getAssets(), "fonts/Roboto-Medium.ttf");
    greeting.setTypeface(tf);
}

---

From source file:de.vanita5.twittnuker.activity.support.HomeActivity.java

@Override
public boolean onOptionsItemSelected(final MenuItem item) {
    switch (item.getItemId()) {
    case MENU_HOME: {
        final FragmentManager fm = getSupportFragmentManager();
        final int count = fm.getBackStackEntryCount();

        if (mSlidingMenu.isMenuShowing()) {
            mSlidingMenu.showContent();//  w w  w .  j  a  v  a2 s . com
            return true;
        } else if (count == 0 && !mSlidingMenu.isMenuShowing()) {
            mSlidingMenu.showMenu();
            return true;
        }
        return true;
    }
    case MENU_SEARCH: {
        openSearchView(mSelectedAccountToSearch);
        return true;
    }
    case MENU_ACTIONS: {
        triggerActionsClick();
        return true;
    }
    }
    return super.onOptionsItemSelected(item);
}

---

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