Examples with DataSetObserver android.database.DataSetObserver used on opensource projects

Example 31 with DataSetObserver

use of android.database.DataSetObserver in project android_frameworks_base by ParanoidAndroid.

the class CalendarView method setUpAdapter.

/**
     * Creates a new adapter if necessary and sets up its parameters.
     */
private void setUpAdapter() {
    if (mAdapter == null) {
        mAdapter = new WeeksAdapter(getContext());
        mAdapter.registerDataSetObserver(new DataSetObserver() {

            @Override
            public void onChanged() {
                if (mOnDateChangeListener != null) {
                    Calendar selectedDay = mAdapter.getSelectedDay();
                    mOnDateChangeListener.onSelectedDayChange(CalendarView.this, selectedDay.get(Calendar.YEAR), selectedDay.get(Calendar.MONTH), selectedDay.get(Calendar.DAY_OF_MONTH));
                }
            }
        });
        mListView.setAdapter(mAdapter);
    }
    // refresh the view with the new parameters
    mAdapter.notifyDataSetChanged();
}

Example 32 with DataSetObserver

use of android.database.DataSetObserver in project material-intro-screen by TangoAgency.

the class InkPageIndicator method setViewPager.

public void setViewPager(final SwipeableViewPager viewPager) {
    this.viewPager = viewPager;
    viewPager.addOnPageChangeListener(this);
    setPageCount(getCount());
    viewPager.getAdapter().registerDataSetObserver(new DataSetObserver() {

        @Override
        public void onChanged() {
            setPageCount(getCount());
        }
    });
    setCurrentPageImmediate();
}

Example 33 with DataSetObserver

use of android.database.DataSetObserver in project android_frameworks_base by AOSPA.

the class SelectPrinterActivity method onCreate.

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    getActionBar().setIcon(R.drawable.ic_print);
    setContentView(R.layout.select_printer_activity);
    mEnabledPrintServices = new ArrayMap<>();
    mPrinterRegistry = new PrinterRegistry(this, null, LOADER_ID_PRINT_REGISTRY, LOADER_ID_PRINT_REGISTRY_INT);
    // Hook up the list view.
    mListView = (ListView) findViewById(android.R.id.list);
    final DestinationAdapter adapter = new DestinationAdapter();
    adapter.registerDataSetObserver(new DataSetObserver() {

        @Override
        public void onChanged() {
            if (!isFinishing() && adapter.getCount() <= 0) {
                updateEmptyView(adapter);
            }
        }

        @Override
        public void onInvalidated() {
            if (!isFinishing()) {
                updateEmptyView(adapter);
            }
        }
    });
    mListView.setAdapter(adapter);
    mListView.setOnItemClickListener(new AdapterView.OnItemClickListener() {

        @Override
        public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
            if (!((DestinationAdapter) mListView.getAdapter()).isActionable(position)) {
                return;
            }
            PrinterInfo printer = (PrinterInfo) mListView.getAdapter().getItem(position);
            if (printer == null) {
                startAddPrinterActivity();
            } else {
                onPrinterSelected(printer);
            }
        }
    });
    findViewById(R.id.button).setOnClickListener(new OnClickListener() {

        @Override
        public void onClick(View v) {
            startAddPrinterActivity();
        }
    });
    registerForContextMenu(mListView);
    getLoaderManager().initLoader(LOADER_ID_ENABLED_PRINT_SERVICES, null, this);
    // If some are disabled and some are enabled show a toast to notify the user
    if (savedInstanceState == null || !savedInstanceState.getBoolean(KEY_NOT_FIRST_CREATE)) {
        List<PrintServiceInfo> allServices = ((PrintManager) getSystemService(Context.PRINT_SERVICE)).getPrintServices(PrintManager.ALL_SERVICES);
        boolean hasEnabledServices = false;
        boolean hasDisabledServices = false;
        if (allServices != null) {
            final int numServices = allServices.size();
            for (int i = 0; i < numServices; i++) {
                if (allServices.get(i).isEnabled()) {
                    hasEnabledServices = true;
                } else {
                    hasDisabledServices = true;
                }
            }
        }
        if (!hasEnabledServices) {
            startAddPrinterActivity();
        } else if (hasDisabledServices) {
            String disabledServicesSetting = Settings.Secure.getString(getContentResolver(), Settings.Secure.DISABLED_PRINT_SERVICES);
            if (!TextUtils.isEmpty(disabledServicesSetting)) {
                Toast.makeText(this, getString(R.string.print_services_disabled_toast), Toast.LENGTH_LONG).show();
            }
        }
    }
}

Example 34 with DataSetObserver

use of android.database.DataSetObserver in project AntennaPod by AntennaPod.

the class MainActivity method onCreate.

@Override
public void onCreate(Bundle savedInstanceState) {
    setTheme(UserPreferences.getNoTitleTheme());
    super.onCreate(savedInstanceState);
    StorageUtils.checkStorageAvailability(this);
    setContentView(R.layout.main);
    toolbar = (Toolbar) findViewById(R.id.toolbar);
    setSupportActionBar(toolbar);
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
        findViewById(R.id.shadow).setVisibility(View.GONE);
        int elevation = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 4, getResources().getDisplayMetrics());
        getSupportActionBar().setElevation(elevation);
    }
    currentTitle = getTitle();
    drawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
    navList = (ListView) findViewById(R.id.nav_list);
    navDrawer = findViewById(R.id.nav_layout);
    drawerToggle = new ActionBarDrawerToggle(this, drawerLayout, R.string.drawer_open, R.string.drawer_close);
    if (savedInstanceState != null) {
        int backstackCount = savedInstanceState.getInt(SAVE_BACKSTACK_COUNT, 0);
        drawerToggle.setDrawerIndicatorEnabled(backstackCount == 0);
    }
    drawerLayout.setDrawerListener(drawerToggle);
    final FragmentManager fm = getSupportFragmentManager();
    fm.addOnBackStackChangedListener(() -> drawerToggle.setDrawerIndicatorEnabled(fm.getBackStackEntryCount() == 0));
    getSupportActionBar().setDisplayHomeAsUpEnabled(true);
    getSupportActionBar().setHomeButtonEnabled(true);
    navAdapter = new NavListAdapter(itemAccess, this);
    navList.setAdapter(navAdapter);
    navList.setOnItemClickListener(navListClickListener);
    navList.setOnItemLongClickListener(newListLongClickListener);
    registerForContextMenu(navList);
    navAdapter.registerDataSetObserver(new DataSetObserver() {

        @Override
        public void onChanged() {
            selectedNavListIndex = getSelectedNavListIndex();
        }
    });
    findViewById(R.id.nav_settings).setOnClickListener(v -> {
        drawerLayout.closeDrawer(navDrawer);
        startActivity(new Intent(MainActivity.this, PreferenceController.getPreferenceActivity()));
    });
    FragmentTransaction transaction = fm.beginTransaction();
    Fragment mainFragment = fm.findFragmentByTag("main");
    if (mainFragment != null) {
        transaction.replace(R.id.main_view, mainFragment);
    } else {
        String lastFragment = getLastNavFragment();
        if (ArrayUtils.contains(NAV_DRAWER_TAGS, lastFragment)) {
            loadFragment(lastFragment, null);
        } else {
            try {
                loadFeedFragmentById(Integer.parseInt(lastFragment), null);
            } catch (NumberFormatException e) {
                // it's not a number, this happens if we removed
                // a label from the NAV_DRAWER_TAGS
                // give them a nice default...
                loadFragment(QueueFragment.TAG, null);
            }
        }
    }
    externalPlayerFragment = new ExternalPlayerFragment();
    transaction.replace(R.id.playerFragment, externalPlayerFragment, ExternalPlayerFragment.TAG);
    transaction.commit();
    checkFirstLaunch();
}

Example 35 with DataSetObserver

use of android.database.DataSetObserver in project android_frameworks_base by ResurrectionRemix.

the class SelectPrinterActivity method onCreate.

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    getActionBar().setIcon(R.drawable.ic_print);
    setContentView(R.layout.select_printer_activity);
    mEnabledPrintServices = new ArrayMap<>();
    mPrinterRegistry = new PrinterRegistry(this, null, LOADER_ID_PRINT_REGISTRY, LOADER_ID_PRINT_REGISTRY_INT);
    // Hook up the list view.
    mListView = (ListView) findViewById(android.R.id.list);
    final DestinationAdapter adapter = new DestinationAdapter();
    adapter.registerDataSetObserver(new DataSetObserver() {

        @Override
        public void onChanged() {
            if (!isFinishing() && adapter.getCount() <= 0) {
                updateEmptyView(adapter);
            }
        }

        @Override
        public void onInvalidated() {
            if (!isFinishing()) {
                updateEmptyView(adapter);
            }
        }
    });
    mListView.setAdapter(adapter);
    mListView.setOnItemClickListener(new AdapterView.OnItemClickListener() {

        @Override
        public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
            if (!((DestinationAdapter) mListView.getAdapter()).isActionable(position)) {
                return;
            }
            PrinterInfo printer = (PrinterInfo) mListView.getAdapter().getItem(position);
            if (printer == null) {
                startAddPrinterActivity();
            } else {
                onPrinterSelected(printer);
            }
        }
    });
    findViewById(R.id.button).setOnClickListener(new OnClickListener() {

        @Override
        public void onClick(View v) {
            startAddPrinterActivity();
        }
    });
    registerForContextMenu(mListView);
    getLoaderManager().initLoader(LOADER_ID_ENABLED_PRINT_SERVICES, null, this);
    // If some are disabled and some are enabled show a toast to notify the user
    if (savedInstanceState == null || !savedInstanceState.getBoolean(KEY_NOT_FIRST_CREATE)) {
        List<PrintServiceInfo> allServices = ((PrintManager) getSystemService(Context.PRINT_SERVICE)).getPrintServices(PrintManager.ALL_SERVICES);
        boolean hasEnabledServices = false;
        boolean hasDisabledServices = false;
        if (allServices != null) {
            final int numServices = allServices.size();
            for (int i = 0; i < numServices; i++) {
                if (allServices.get(i).isEnabled()) {
                    hasEnabledServices = true;
                } else {
                    hasDisabledServices = true;
                }
            }
        }
        if (!hasEnabledServices) {
            startAddPrinterActivity();
        } else if (hasDisabledServices) {
            String disabledServicesSetting = Settings.Secure.getString(getContentResolver(), Settings.Secure.DISABLED_PRINT_SERVICES);
            if (!TextUtils.isEmpty(disabledServicesSetting)) {
                Toast.makeText(this, getString(R.string.print_services_disabled_toast), Toast.LENGTH_LONG).show();
            }
        }
    }
}