Java Code Examples for androidx.fragment.app.FragmentManager#getFragment()

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);

    FragmentManager fragmentManager = getSupportFragmentManager();
    if (savedInstanceState != null) {
        mainFragment = fragmentManager.getFragment(savedInstanceState, MAIN_FRAGMENT);
    } else {
        mainFragment = new MainFragment();
    }
    fragmentManager.beginTransaction().replace(R.id.fragment_container, mainFragment).commit();

    if (!hasWriteExternalStoragePermission()) {
        ActivityCompat.requestPermissions(MainActivity.this,
                                          new String[]{ Manifest.permission.WRITE_EXTERNAL_STORAGE },
                                          REQUEST_STORAGE_PERMISSION);
    }
}
 

public void restore(FragmentManager fragmentManager, Bundle fragments) {
    mFragments.clear();
    if (fragments != null) {
        Iterable<String> keys = fragments.keySet();
        for (String key : keys) {
            if (key.startsWith("f")) {
                int index = Integer.parseInt(key.substring(1));
                IMasterFragment f = (IMasterFragment) fragmentManager
                        .getFragment(fragments, key);
                if (f != null) {
                    while (mFragments.size() <= index) {
                        mFragments.add(null);
                    }
                    f.setMenuVisibility(false);
                    mFragments.set(index, f);
                } else {
                    Log.w(TAG, "Bad fragment at key " + key);
                }
            }
        }
    }
}
 

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

	// To enable downloading with https on pre-kitkat devices.
	if (Build.VERSION.SDK_INT <= Build.VERSION_CODES.KITKAT) {
		TLSSocketFactory.setAsDefault();
	}

	// check for updates (one time only)
	if (!updatesCheckerTaskRan) {
		new UpdatesCheckerTask(this, false).executeInParallel();
		updatesCheckerTaskRan = true;
	}

	SkyTubeApp.setFeedUpdateInterval();
	// Delete any missing downloaded videos
	new DownloadedVideosDb.RemoveMissingVideosTask().executeInParallel();

	setContentView(R.layout.activity_main);

	// The Extra variant needs to initialize some Fragments that are used for Chromecast control. This is done in onLayoutSet of BaseActivity.
	// The OSS variant has a no-op version of this method, since it doesn't need to do anything else here.
	onLayoutSet();

	ButterKnife.bind(this);

	if(fragmentContainer != null) {
		if(savedInstanceState != null) {
			final FragmentManager supportFragmentManager = getSupportFragmentManager();
			mainFragment = (MainFragment) supportFragmentManager.getFragment(savedInstanceState, MAIN_FRAGMENT);
			searchVideoGridFragment = (SearchVideoGridFragment) supportFragmentManager.getFragment(savedInstanceState, SEARCH_FRAGMENT);
			channelBrowserFragment = (ChannelBrowserFragment) supportFragmentManager.getFragment(savedInstanceState, CHANNEL_BROWSER_FRAGMENT);
			playlistVideosFragment = (PlaylistVideosFragment) supportFragmentManager.getFragment(savedInstanceState, PLAYLIST_VIDEOS_FRAGMENT);
		}
		handleIntent(getIntent());

	}

	if (savedInstanceState != null) {
		// restore the video blocker plugin
		this.videoBlockerPlugin = (VideoBlockerPlugin) savedInstanceState.getSerializable(VIDEO_BLOCKER_PLUGIN);
		this.videoBlockerPlugin.setActivity(this);
	} else {
		this.videoBlockerPlugin = new VideoBlockerPlugin(this);
	}
}
 

@Override
protected void onCreate(Bundle savedInstanceState) {
	super.onCreate(savedInstanceState);
	setContentView(R.layout.activity_actionbar);

	//turn on up button
	getSupportActionBar().setDisplayHomeAsUpEnabled(true);

	
	FragmentManager fragmentManager = getSupportFragmentManager();
	if (savedInstanceState != null) {
		one = (PageFragment) fragmentManager.getFragment(savedInstanceState, "ONE");
		two = (PageFragment) fragmentManager.getFragment(savedInstanceState, "TWO");
		three = (PageFragment) fragmentManager.getFragment(savedInstanceState, "THREE");
		four = (PageFragment) fragmentManager.getFragment(savedInstanceState, "FOUR");
		five = (PageFragment) fragmentManager.getFragment(savedInstanceState, "FIVE");
		//since survived, need to clean up or I can't add them to the pagers adapter again.
		FragmentTransaction remove = fragmentManager.beginTransaction();
		remove.remove(one);
		remove.remove(two);
		remove.remove(three);
		remove.remove(four);
		remove.remove(five);
		if (!remove.isEmpty()) {
			remove.commit();
			fragmentManager.executePendingTransactions();
		}
	} else {
		one = PageFragment.create(1);
		two = PageFragment.create(2);
		three = PageFragment.create(3);
		four = PageFragment.create(4);
		five = PageFragment.create(5);
	}

	viewPager = (ViewPager) findViewById(R.id.pager);
	mPagerAdapter = new myFragmentPagerAdapter(5);
	viewPager.setAdapter(mPagerAdapter);
	//viewPager.setCurrentItem(2);
	//we need to know when a page has changed, so we can change/fix the next/previous/finish buttons
	viewPager.addOnPageChangeListener(new ViewPager.SimpleOnPageChangeListener() {
		@Override
		public void onPageSelected(int position) {
			supportInvalidateOptionsMenu();
		}
	});
}
 

/**
 * Initializes tab navigation.
 */
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    ((SyncthingApp) getApplication()).component().inject(this);

    setContentView(R.layout.activity_main);
    mDrawerLayout = findViewById(R.id.drawer_layout);

    FragmentManager fm = getSupportFragmentManager();
    if (savedInstanceState != null) {
        mFolderListFragment = (FolderListFragment) fm.getFragment(
                savedInstanceState, FolderListFragment.class.getName());
        mDeviceListFragment = (DeviceListFragment) fm.getFragment(
                savedInstanceState, DeviceListFragment.class.getName());
        mDrawerFragment = (DrawerFragment) fm.getFragment(
                savedInstanceState, DrawerFragment.class.getName());
    } else {
        mFolderListFragment = new FolderListFragment();
        mDeviceListFragment = new DeviceListFragment();
        mDrawerFragment = new DrawerFragment();
    }

    mViewPager = findViewById(R.id.pager);
    mViewPager.setAdapter(mSectionsPagerAdapter);
    TabLayout tabLayout = findViewById(R.id.tabContainer);
    tabLayout.setupWithViewPager(mViewPager);
    if (savedInstanceState != null) {
        mViewPager.setCurrentItem(savedInstanceState.getInt("currentTab"));
        if (savedInstanceState.getBoolean(IS_SHOWING_RESTART_DIALOG)){
            showRestartDialog();
        }
        mBatteryOptimizationDialogDismissed = savedInstanceState.getBoolean(BATTERY_DIALOG_DISMISSED);
        if(savedInstanceState.getBoolean(IS_QRCODE_DIALOG_DISPLAYED)) {
            showQrCodeDialog(savedInstanceState.getString(DEVICEID_KEY), savedInstanceState.getParcelable(QRCODE_BITMAP_KEY));
        }
    }

    fm.beginTransaction().replace(R.id.drawer, mDrawerFragment).commit();
    mDrawerToggle = new Toggle(this, mDrawerLayout);
    mDrawerLayout.setDrawerLockMode(DrawerLayout.LOCK_MODE_LOCKED_CLOSED);
    mDrawerLayout.addDrawerListener(mDrawerToggle);
    setOptimalDrawerWidth(findViewById(R.id.drawer));

    // SyncthingService needs to be started from this activity as the user
    // can directly launch this activity from the recent activity switcher.
    Intent serviceIntent = new Intent(this, SyncthingService.class);
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
        startForegroundService(serviceIntent);
    } else {
        startService(serviceIntent);
    }

    onNewIntent(getIntent());
}