Develop Reference

I want to save data in SecondActivity from FirstActivity using Room

I have three activities, I capture all data but one from DetailActivity upon button click and save in database using Room; My intention is to insert all these data into the database and start ReviewActivity so as to get the arraylist of reviews and also insert it in the database. Everything seems to work fine until when I want to view review offline because I believe it has been saved, reviews does not get loaded.
This is my DetailActivity,
TextView overview_tv; ImageView image_tv; TextView name_tv; TextView ratings; Context context; TextView release_date; ImageView backdrop_poster; private ExpandableHeightListView trailers; public static ArrayList<Youtube> youtube; public static ArrayList<Review> reviews; TrailerViewAdapter adapter; public static DataObject data; DataObject dataObject; ArrayList<Review> savedReview; private static final String IMAGE_URL = "http://image.tmdb.org/t/p/w185/"; private static final String THE_MOVIEDB_URL2 = "https://api.themoviedb.org/3/movie/"; private static final String MOVIE_QUERY2 = "api_key"; private static final String API_KEY2 = "6cc4f47bd4a64e0117e157b79072ae37"; private static String SEARCH_QUERY2 = "videos"; public static int movieId; Button viewReviews; Button favourite; String movieRating; private static final int YOUTUBE_SEARCH_LOADER = 23; private static final int REVIEW_SEARCH_LOADER = 24; File file; String name; String overview; String releaseDate; int switcher; public static ArrayList<Review> favouriteReviews; TextView trev; AppDatabase mDb; //Navigation arrow on the action bar #Override public boolean onOptionsItemSelected(MenuItem item) { int id = item.getItemId(); if (id == android.R.id.home) { NavUtils.navigateUpFromSameTask(this); } return super.onOptionsItemSelected(item); } #Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_detail); mDb = AppDatabase.getInstance(getApplicationContext()); youtube = new ArrayList<Youtube>(); reviews = new ArrayList<Review>(); adapter = new TrailerViewAdapter(this, youtube); //Credit to Paolorotolo #github trailers = findViewById(R.id.expandable_list); trailers.setAdapter(adapter); trailers.setExpanded(true); //Navigation arrow on the acton bar; check also override onOptionsItemSelected ActionBar actionBar = this.getSupportActionBar(); if (actionBar != null) { actionBar.setDisplayHomeAsUpEnabled(true); } context = getApplicationContext(); Intent intent = getIntent(); if (intent == null) { closeOnError(); } switcher = getIntent().getIntExtra("switch", 3); overview_tv = findViewById(R.id.overview); image_tv = findViewById(R.id.image); name_tv = findViewById(R.id.name); ratings = findViewById(R.id.ratings); release_date = findViewById(R.id.release_date); backdrop_poster = findViewById(R.id.backdrop_poster); trev = findViewById(R.id.review_show); viewReviews = findViewById(R.id.review_button); favourite = findViewById(R.id.favourite_button); addListenerOnRatingBar(ratings); if (switcher != 2) { favourite.setVisibility(View.INVISIBLE); dataObject = (DataObject) getIntent().getParcelableExtra("array"); final String favouriteName = dataObject.getName(); final String favouriteOverview = dataObject.getOverview(); final String favouriteReleaseDate = dataObject.getReleaseDate(); ArrayList<Youtube> savedTrailer = dataObject.getTrailers(); savedReview = dataObject.getMovieReviews(); movieRating = dataObject.getRating(); name_tv.setText(favouriteName); overview_tv.setText(favouriteOverview); ratings.setText("Rating: " + movieRating); release_date.setText("Release Date: " + favouriteReleaseDate);// Toast.makeText(this, "Testing Reviews " + savedReview.get(0).getAuthor(), Toast.LENGTH_SHORT).show(); String imagePath = name_tv.getText().toString() + "0i"; String backdropPath = name_tv.getText().toString() + "1b"; try { DataObjectAdapter.downloadImage(imagePath, image_tv, this); } catch (Exception e) { e.printStackTrace(); } try { DataObjectAdapter.downloadImage(backdropPath, backdrop_poster, context); } catch (Exception e) { e.printStackTrace(); } if (savedTrailer != null) { TrailerViewAdapter lv = new TrailerViewAdapter(DetailActivity.this, savedTrailer); trailers.setAdapter(lv); switcher = 3; } } else { name = getIntent().getStringExtra("Name"); overview = getIntent().getStringExtra("Overview"); final String image = getIntent().getStringExtra("Image"); movieId = getIntent().getIntExtra("movieId", 1); final String backdrop = getIntent().getStringExtra("backdrop"); releaseDate = getIntent().getStringExtra("releaseDate"); movieRating = getIntent().getStringExtra("rating"); Log.i("this", "switch " + switcher); name_tv.setText(name); overview_tv.setText(overview); ratings.setText("Rating: " + movieRating); release_date.setText("Release Date: " + releaseDate); //load backdrop poster Picasso.with(context) .load(IMAGE_URL + backdrop) .fit() .placeholder(R.drawable.placeholder_image) .error(R.drawable.placeholder_image) .into(backdrop_poster); Picasso.with(context) .load(IMAGE_URL + image) .fit() .placeholder(R.drawable.placeholder_image) .error(R.drawable.placeholder_image) .into(image_tv); getSupportLoaderManager().initLoader(YOUTUBE_SEARCH_LOADER, null, this); //getSupportLoaderManager().initLoader(REVIEW_SEARCH_LOADER, null, this); //loadTrailers(); //loadReviews(); //populateKeys(); } /** * Here manages the views(list) for reviews */ viewReviews.setOnClickListener(new View.OnClickListener() { #Override public void onClick(View v) { if (switcher == 3) { startActivity(new Intent(DetailActivity.this, ReviewActivity.class) .putExtra("switch", 3)); } else { Log.i("this", "I am from initial" + switcher); startActivity(new Intent(DetailActivity.this, ReviewActivity.class).putExtra("id", movieId)); } } } ); favourite.setOnClickListener(new View.OnClickListener() { #Override public void onClick(View v) { data = new DataObject(); data.setName(name); data.setOverview(overview); data.setRating(movieRating); data.setReleaseDate(releaseDate); data.setTrailers(youtube);// data.setMovieReviews(reviews); try { saveImage(name_tv.getText().toString() + "0i", image_tv); saveImage(name_tv.getText().toString() + "1b", backdrop_poster); } catch (IOException e) { e.printStackTrace(); } Toast.makeText(context, "The movie is saved as a favourite", Toast.LENGTH_LONG).show(); AppExecutors.getInstance().diskIO().execute(new Runnable() { #Override public void run() { mDb.dataDao().insertData(data); } }); startActivity(new Intent(DetailActivity.this, ReviewActivity.class).putExtra("id", movieId) .putExtra(ReviewActivity.EXTRA_DATA_ID, 20)); } } ); }
And my ReviewActivity
public class ReviewActivity extends AppCompatActivity implements LoaderManager.LoaderCallbacks<ArrayList<Review>>{ public static ArrayList<Review> reviews; public static List<DataObject> favouriteReviews; public static RecyclerView reviewList; ArrayList<Review> r; private static final int REVIEW_SEARCH_LOADER = 24; private static final String MOVIE_QUERY3 = "api_key"; private static final String API_KEY3 = "6cc4f47bd4a64e0117e157b79072ae37"; private static String SEARCH_QUERY3 = "reviews"; private static final String THE_MOVIEDB_URL3 = "https://api.themoviedb.org/3/movie/"; private static int movId; public static final String EXTRA_DATA_ID = "extraDataId"; private static final int DEFAULT_TASK_ID = -1; private int mTaskId = DEFAULT_TASK_ID; DataObject data1; AppDatabase mDb; ReviewAdapter revAdapter; int loaderSwitch; #Override protected void onResume() { super.onResume(); } #Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_review); mDb = AppDatabase.getInstance(getApplicationContext()); reviews = new ArrayList<Review>(); favouriteReviews = new ArrayList<DataObject>(); reviewList = findViewById(R.id.review_list); LinearLayoutManager layoutManager = new LinearLayoutManager(getApplicationContext()); reviewList.setLayoutManager(layoutManager); reviewList.setHasFixedSize(true); int switcher = getIntent().getIntExtra("switch", 1); Intent intent = getIntent(); if (intent == null) { finish(); } Log.i("this", "swithcer " + switcher); Log.i("this loader", "Loader " + loaderSwitch); if (switcher == 3){ DataObject dataObject = (DataObject) getIntent().getParcelableExtra("ArrayOfReviews"); if (dataObject != null){ ArrayList<Review> movieReviews = dataObject.getMovieReviews(); Toast.makeText(this, "There are reviews saved", Toast.LENGTH_LONG).show(); revAdapter = new ReviewAdapter(this, movieReviews ); reviewList.setAdapter(revAdapter); } } else { movId = getIntent().getIntExtra("id", 20); revAdapter = new ReviewAdapter(this, reviews); reviewList.setAdapter(revAdapter); loadReviews(); //populateReview(); } DividerItemDecoration decoration = new DividerItemDecoration(this, VERTICAL); reviewList.addItemDecoration(decoration); } #Override protected void onStart() { super.onStart(); //loadReviews(); } public static URL buildUrl3(String stringUrl) { Uri uri = Uri.parse(THE_MOVIEDB_URL3).buildUpon() .appendPath(stringUrl) .appendPath(SEARCH_QUERY3) .appendQueryParameter(MOVIE_QUERY3, API_KEY3) .build(); URL url = null; try { url = new URL(uri.toString()); } catch (MalformedURLException exception) { Log.e(TAG, "Error creating URL", exception); } return url; } public void loadReviews(){ // COMPLETED (19) Create a bundle called queryBundle Bundle queryBundle = new Bundle(); // COMPLETED (20) Use putString with SEARCH_QUERY_URL_EXTRA as the key and the String value of the URL as the value// queryBundle.putString(SEARCH_QUERY_URL_EXTRA, url.toString()); // COMPLETED (21) Call getSupportLoaderManager and store it in a LoaderManager variable LoaderManager loaderManager = getSupportLoaderManager(); // COMPLETED (22) Get our Loader by calling getLoader and passing the ID we specified Loader<ArrayList<Review>> movieReviews = loaderManager.getLoader(REVIEW_SEARCH_LOADER); // COMPLETED (23) If the Loader was null, initialize it. Else, restart it. if (movieReviews == null) { loaderManager.initLoader(REVIEW_SEARCH_LOADER, queryBundle, this); } else { loaderManager.restartLoader(REVIEW_SEARCH_LOADER, queryBundle, this); } } #Override public Loader<ArrayList<Review>> onCreateLoader(int id, Bundle args) { return new AsyncTaskLoader<ArrayList<Review>>(this) { #Override protected void onStartLoading() { super.onStartLoading(); forceLoad(); } #Override public ArrayList<Review> loadInBackground() { String g = String.valueOf(movId); // Create URL object URL url = buildUrl3(g); // Perform HTTP request on the URL and receive a JSON response back String jsonResponse = ""; try { jsonResponse = getResponseFromHttpUrl(url); } catch (Exception e) { e.printStackTrace(); } reviews = MovieJsonUtils.parseReview(jsonResponse); return reviews; } }; } #Override public void onLoadFinished(Loader<ArrayList<Review>> loader, ArrayList<Review> dat) { if (reviews != null) { Intent intent = getIntent(); if (intent != null && intent.hasExtra(EXTRA_DATA_ID)) { //mButton.setText(R.string.update_button); if (mTaskId == DEFAULT_TASK_ID) { mTaskId = intent.getIntExtra(EXTRA_DATA_ID, DEFAULT_TASK_ID); AppExecutors.getInstance().diskIO().execute(new Runnable() { #Override public void run() { data.setMovieReviews(reviews); mDb.dataDao().updateData(data); //mDb.dataDao().insertData(data); final List<DataObject> task = mDb.dataDao().loadById(mTaskId); runOnUiThread(new Runnable() { #Override public void run() { populateUI(task); } }); } }); } } else { ReviewAdapter lv = new ReviewAdapter(ReviewActivity.this, reviews); reviewList.setAdapter(lv); } } } #Override public void onLoaderReset(Loader<ArrayList<Review>> loader) { }
Data gets loaded from MainActivity, the saved data is passed on to other activities as a parcellable bundle via intent, the passed data is displayed in DetailActivity but not in ReviewActivity.
Alternatively, if I can load reviews alongside YouTube keys from DetailActivity, I believe I can handle the database issue from there, but two Loaders wouldn't just work together, the app crashes; I am aware two AsyncTasks concurrently run together solved this problem, but I prefer to use Loaders because of performance on configuration change

Google Play: update prices from IInAppBillingService

I created a class for working with subscriptions in the store.
In the beginning I receive from the server the list of subscriptions with the prices
The code is working and on most devices there is no problem.
But some users do not recive prices. It's like there's no response from the server. I've studied examples of implementation in Google documentation, but I can not understand where I can have problems in the code.
Part of my code:
public class BillingActivity extends AppCompatActivity {
RelativeLayout imageLayout;
View payButton;
// WebView payWebView;
// TextView useCodeButton;
ProgressBar progress1;
ProgressBar progress2;
ProgressBar progress3;
IInAppBillingService inAppBillingService;
#Override
public void onCreate(#Nullable Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_billing_subscription);
price_1monthTextView = (TextView) findViewById(R.id.price_1monthTextView);
relative_1month = (RelativeLayout) findViewById(R.id.relative_1month);
relative_1month.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View v) {
if (MainActivity.myAccount == null) return;
if (MainActivity.myAccount.getUniqid() == null) return;
if (subscription1m != null) {
try {
Log.d("my", "purchase..." + subscription1m.storeName);
purchaseProduct(subscription1m);
} catch (Exception e) {
e.printStackTrace();
Log.d("my", "purchase error = " + e.toString());
}
}
}
});
progress1 = (ProgressBar) findViewById(R.id.progress1);
startGoogleBilling();
}
private void startGoogleBilling() {
if (serviceConnection != null) {
unbindService(serviceConnection);
}
progress1.setVisibility(View.VISIBLE);
serviceConnection = new ServiceConnection() {
#Override
public void onServiceConnected(ComponentName name, IBinder service) {
inAppBillingService = IInAppBillingService.Stub.asInterface(service);
getSubscribtionsList();
}
#Override
public void onServiceDisconnected(ComponentName name) {
inAppBillingService = null;
}
};
Intent serviceIntent =
new Intent("com.android.vending.billing.InAppBillingService.BIND");
serviceIntent.setPackage("com.android.vending");
bindService(serviceIntent, serviceConnection, Context.BIND_AUTO_CREATE);
}
private static final int PR_CNT = 3;
List<InAppProduct> subscriptions = null;
InAppProduct subscription1m = null;
InAppProduct subscription3m = null;
InAppProduct subscription1y = null;
String[] productIds = {"eq.subscription.1m", "eq.subscription.3m.2", "eq.subscription.1y"};
private void getSubscribtionsList() {
mSwipeRefreshLayout.setRefreshing(false);
progress1.setVisibility(View.GONE);
try {
subscriptions =
getInAppPurchases("subs", productIds[0], productIds[1], productIds[2]);
if (subscriptions.size() == PR_CNT) {
for (InAppProduct inAppProduct : subscriptions) {
String productId = inAppProduct.productId;
Log.d("my", "productId= " + productId);
if (productId.contains(productIds[0])) subscription1m = inAppProduct;
if (productId.contains(productIds[1])) subscription3m = inAppProduct;
if (productId.contains(productIds[2])) subscription1y = inAppProduct;
}
Log.d("my", "1m= " + subscription1m.storeName + " pr=" + subscription1m.price + "\\n\\r " +
"3m= " + subscription3m.storeName + " pr=" + subscription3m.price + "\\n\\r " +
"1y= " + subscription1y.storeName + " pr=" + subscription1y.price + "\\n\\r ");
///----------------------!!!!
// purchaseProduct(inAppProduct);
}
updatePrices();
} catch (Exception e) {
Log.d("my", "exc = " + e.toString());
if (e.toString().contains("Attempt to invoke interface method 'android.os.Bundle com.android.vending.billing.IInAppBillingService.getSkuDetails")) {
if (attempt < 4) {
//getSubscribtionsList();
// startGoogleBilling();
} else {
}
}
// Toast.makeText(this, "Google inApp connection error", Toast.LENGTH_SHORT).show();
// refreshButton.setVisibility(View.VISIBLE);
startGoogleBilling();
}
}
private int attempt = 0;
#Override
public void onDestroy() {
super.onDestroy();
if (serviceConnection != null) {
unbindService(serviceConnection);
}
}
class InAppProduct {
public String productId;
public String storeName;
public String storeDescription;
public String price;
public boolean isSubscription;
public int priceAmountMicros;
public String currencyIsoCode;
public String getSku() {
return productId;
}
String getType() {
return isSubscription ? "subs" : "inapp";
}
}
List<InAppProduct> getInAppPurchases(String type, String... productIds) throws Exception {
ArrayList<String> skuList = new ArrayList<>(Arrays.asList(productIds));
Bundle query = new Bundle();
query.putStringArrayList("ITEM_ID_LIST", skuList);
Bundle skuDetails = inAppBillingService.getSkuDetails(
3, getPackageName(), type, query);
ArrayList<String> responseList = skuDetails.getStringArrayList("DETAILS_LIST");
List<InAppProduct> result = new ArrayList<>();
for (String responseItem : responseList) {
JSONObject jsonObject = new JSONObject(responseItem);
InAppProduct product = new InAppProduct();
// "com.example.myapp_testing_inapp1"
product.productId = jsonObject.getString("productId");
// Покупка
product.storeName = jsonObject.getString("title");
// Детали покупки
product.storeDescription = jsonObject.getString("description");
// "0.99USD"
product.price = jsonObject.getString("price");
// "true/false"
product.isSubscription = jsonObject.getString("type").equals("subs");
// "990000" = цена x 1000000
product.priceAmountMicros =
Integer.parseInt(jsonObject.getString("price_amount_micros"));
// USD
product.currencyIsoCode = jsonObject.getString("price_currency_code");
result.add(product);
}
return result;
}
private void updatePrices() {
if (subscriptions.size() == PR_CNT) {
price_1monthTextView.setText(subscription1m.price);
price_3monthTextView.setText(subscription3m.price);
price_1yearTextView.setText(subscription1y.price);
}
}
}

my problem was the bit depth of the X variable priceAmountMicros
The price from playmarket is multiplied by a 1000000 , and Kazakh tenge has exchange rate = 1 USD= 331,3 KZT.
And if i have price 18 000 KTZ and * 1000 000.
For price variable I must use long type

How to wait for an activity to finish in asynctask

I know that the purpose of the AsyncTask is to run asynchronously with other tasks of the app and finish in the background, but apparently I need to do this, I need to start an activity from AsyncTask and since I cant extend an activity in this class I can not use startactivityforresult, so how can I wait till my activity finishes?
Here is my code:
public class ListSpdFiles extends AsyncTask<Void, Void, String[]> {
public AsyncResponse delegate = null;
private static final String TAG = "ListSpdFiles: ";
Context applicationContext;
ContentResolver spdappliationcontext;
public final CountDownLatch setSignal= new CountDownLatch(1);
private final ReentrantLock lock = new ReentrantLock();
String username = "";
/**
* Status code returned by the SPD on operation success.
*/
private static final int SUCCESS = 4;
private boolean createbutt;
private boolean deletebutt;
private String initiator;
private String path;
private String pass;
private String url;
private SecureApp pcas;
private boolean isConnected = false; // connected to PCAS service?
private String CurrentURL = null;
private PcasConnection pcasConnection = new PcasConnection() {
#Override
public void onPcasServiceConnected() {
Log.d(TAG, "pcasServiceConnected");
latch.countDown();
}
#Override
public void onPcasServiceDisconnected() {
Log.d(TAG, "pcasServiceDisconnected");
}
};
private CountDownLatch latch = new CountDownLatch(1);
public ListSpdFiles(boolean createbutt, boolean deletebutt, String url, String pass, Context context, String initiator, String path, AsyncResponse asyncResponse) {
this.initiator = initiator;
this.path = path;
this.pass= pass;
this.url= url;
this.createbutt= createbutt;
this.deletebutt=deletebutt;
applicationContext = context.getApplicationContext();
spdappliationcontext = context.getContentResolver();
delegate = asyncResponse;
}
private void init() {
Log.d(TAG, "starting task");
pcas = new AndroidNode(applicationContext, pcasConnection);
isConnected = pcas.connect();
}
private void term() {
Log.d(TAG, "terminating task");
if (pcas != null) {
pcas.disconnect();
pcas = null;
isConnected = false;
}
}
#Override
protected void onPreExecute() {
super.onPreExecute();
init();
}
#Override
protected String[] doInBackground(Void... params) {
CurrentURL = getLastAccessedBrowserPage();
// check if connected to PCAS Service
if (!isConnected) {
Log.v(TAG, "not connected, terminating task");
return null;
}
// wait until connection with SPD is up
try {
if (!latch.await(20, TimeUnit.SECONDS)) {
Log.v(TAG, "unable to connected within allotted time, terminating task");
return null;
}
} catch (InterruptedException e) {
Log.v(TAG, "interrupted while waiting for connection in lsdir task");
return null;
}
// perform operation (this is where the actual operation is called)
try {
return lsdir();
} catch (DeadServiceException e) {
Log.i(TAG, "service boom", e);
return null;
} catch (DeadDeviceException e) {
Log.i(TAG, "device boom", e);
return null;
}
}
#Override
protected void onPostExecute(String[] listOfFiles) {
super.onPostExecute(listOfFiles);
if (listOfFiles == null) {
Log.i(TAG, "task concluded with null list of files");
} else {
Log.i(TAG, "task concluded with the following list of files: "
+ Arrays.toString(listOfFiles));
}
term();
delegate.processFinish(username);
}
#Override
protected void onCancelled(String[] listOfFiles) {
super.onCancelled(listOfFiles);
Log.i(TAG, "lsdir was canceled");
term();
}
/**
* Returns an array of strings containing the files available at the given path, or
* {#code null} on failure.
*/
private String[] lsdir() throws DeadDeviceException, DeadServiceException {
Result<List<String>> result = pcas.lsdir(initiator, path); // the lsdir call to the
boolean crtbut = createbutt;
boolean dlbut= deletebutt;
ArrayList<String> mylist = new ArrayList<String>();
final Global globalVariable = (Global) applicationContext;
if (crtbut==false && dlbut == false){
if ( globalVariable.getPasswordButt()==false ) {
final boolean isusername = globalVariable.getIsUsername();
if (isusername == true) {
Log.i(TAG, "current url: " + CurrentURL);
if (Arrays.toString(result.getValue().toArray(new String[0])).contains(CurrentURL)) {
String sharareh = Arrays.toString(result.getValue().toArray(new String[0]));
String[] items = sharareh.split(", ");
for (String item : items) {
String trimmed;
if (item.startsWith("[" + CurrentURL + ".")) {
trimmed = item.replace("[" + CurrentURL + ".", "");
if (trimmed.endsWith(".txt]")) {
trimmed = trimmed.replace(".txt]", "");
mylist.add(trimmed.replace(".txt]", ""));
} else if (trimmed.endsWith(".txt")) {
trimmed = trimmed.replace(".txt", "");
mylist.add(trimmed.replace(".txt", ""));
}
Log.i(TAG, "list of files sharareh: " + trimmed);
} else if (item.startsWith(CurrentURL + ".")) {
trimmed = item.replace(CurrentURL + ".", "");
if (trimmed.endsWith(".txt]")) {
trimmed = trimmed.replace(".txt]", "");
mylist.add(trimmed.replace(".txt]", ""));
} else if (trimmed.endsWith(".txt")) {
trimmed = trimmed.replace(".txt", "");
mylist.add(trimmed.replace(".txt", ""));
}
Log.i(TAG, "list of files sharareh: " + trimmed);
}
}
}
globalVariable.setPopupdone(false);
Intent i = new Intent(applicationContext, PopUp.class);
i.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
i.putExtra("EXTRA_SESSION_ID", mylist);
applicationContext.startActivity(i);
username = globalVariable.getUsername();
}
else if (isusername == false)
Log.i(TAG, "Wrong Input Type For Username.");
}
if (result.getState() != SUCCESS) {
Log.v(TAG, "operation failed");
return null;
}
if (result.getValue() == null) {
Log.v(TAG, "operation succeeded but operation returned null list");
return null;
}
return result.getValue().toArray(new String[0]);
}
//}
if (result.getState() != SUCCESS) {
Log.v(TAG, "operation failed");
return null;
}
if (result.getValue() == null) {
Log.v(TAG, "operation succeeded but operation returned null list");
return null;
}
return result.getValue().toArray(new String[0]);
}
public String getLastAccessedBrowserPage() {
String Domain = null;
Cursor webLinksCursor = spdappliationcontext.query(Browser.BOOKMARKS_URI, Browser.HISTORY_PROJECTION, null, null, Browser.BookmarkColumns.DATE + " DESC");
int row_count = webLinksCursor.getCount();
int title_column_index = webLinksCursor.getColumnIndexOrThrow(Browser.BookmarkColumns.TITLE);
int url_column_index = webLinksCursor.getColumnIndexOrThrow(Browser.BookmarkColumns.URL);
if ((title_column_index > -1) && (url_column_index > -1) && (row_count > 0)) {
webLinksCursor.moveToFirst();
while (webLinksCursor.isAfterLast() == false) {
if (webLinksCursor.getInt(Browser.HISTORY_PROJECTION_BOOKMARK_INDEX) != 1) {
if (!webLinksCursor.isNull(url_column_index)) {
Log.i("History", "Last page browsed " + webLinksCursor.getString(url_column_index));
try {
Domain = getDomainName(webLinksCursor.getString(url_column_index));
Log.i("Domain", "Last page browsed " + Domain);
return Domain;
} catch (URISyntaxException e) {
e.printStackTrace();
}
break;
}
}
webLinksCursor.moveToNext();
}
}
webLinksCursor.close();
return null;
}
public String getDomainName(String url) throws URISyntaxException {
URI uri = new URI(url);
String domain = uri.getHost();
return domain.startsWith("www.") ? domain.substring(4) : domain;
}}
My Activity class:
public class PopUp extends Activity {
private static final String TAG = "PopUp";
ArrayList<String> value = null;
ArrayList<String> usernames;
#Override
protected void onCreate(Bundle savedInstanceState) {
final Global globalVariable = (Global) getApplicationContext();
globalVariable.setUsername("");
Bundle extras = getIntent().getExtras();
if (extras != null) {
value = extras.getStringArrayList("EXTRA_SESSION_ID");
}
usernames = value;
super.onCreate(savedInstanceState);
setContentView(R.layout.popupactivity);
final Button btnOpenPopup = (Button) findViewById(R.id.openpopup);
btnOpenPopup.setOnClickListener(new Button.OnClickListener() {
#Override
public void onClick(View arg0) {
LayoutInflater layoutInflater = (LayoutInflater) getBaseContext().getSystemService(LAYOUT_INFLATER_SERVICE);
View popupView = layoutInflater.inflate(R.layout.popup, null);
final PopupWindow popupWindow = new PopupWindow(popupView, LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT);
Button btnSelect = (Button) popupView.findViewById(R.id.select);
Spinner popupSpinner = (Spinner) popupView.findViewById(R.id.popupspinner);
ArrayAdapter<String> adapter = new ArrayAdapter<String>(PopUp.this, android.R.layout.simple_spinner_item, usernames);
adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
popupSpinner.setAdapter(adapter);
popupSpinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
#Override
public void onItemSelected(AdapterView<?> arg0, View arg1, int arg2, long arg3) {
globalVariable.setUsername(usernames.get(arg2));
}
#Override
public void onNothingSelected(AdapterView<?> arg0) {
}
});
btnSelect.setOnClickListener(new Button.OnClickListener() {
#Override
public void onClick(View v) {
globalVariable.setPopupdone(true);
popupWindow.dismiss();
finish();
}
}
);
popupWindow.showAsDropDown(btnOpenPopup, 50, -30);
}
});
}
#Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.poupup_menu, menu);
return true;
}}

Quickblox android sdk groupchat

I'm using quickblox sdk group chat.
This is my code. But I still wrong. Can anybody guide me, please?
UserListForGroupActivity.java
public class UserListForGroupActivity extends Activity implements QBCallback {
private ListView usersList;
private ProgressDialog progressDialog;
private Button btnChat;
private SimpleAdapter usersAdapter;
private ArrayList<Friend_Users> friends= new ArrayList<Friend_Users>();
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_user_list_for_group);
usersList = (ListView) findViewById(R.id.usersList);
btnChat=(Button)findViewById(R.id.btnstartGroupChat);
progressDialog = new ProgressDialog(this);
progressDialog.setMessage("Loading fiends list");
progressDialog.show();
// ================= QuickBlox ===== Step 4 =================
// Get all users of QB application.
QBUsers.getUsers(this);
}
#Override
public void onComplete(Result result) {
if (result.isSuccess()) {
if (progressDialog != null) {
progressDialog.dismiss();
}
// Cast 'result' to specific result class QBUserPagedResult.
QBUserPagedResult pagedResult = (QBUserPagedResult) result;
final ArrayList<QBUser> users = pagedResult.getUsers();
System.out.println(users.toString());
// Prepare users list for simple adapter.
ArrayList<Map<String, String>> usersListForAdapter = new ArrayList<Map<String, String>>();
for (QBUser u : users) {
Map<String, String> umap = new HashMap<String, String>();
umap.put("userLogin", u.getLogin());
umap.put("chatLogin", QBChat.getChatLoginFull(u));
usersListForAdapter.add(umap);
}
// Put users list into adapter.
usersAdapter = new SimpleAdapter(this, usersListForAdapter,
android.R.layout.simple_list_item_multiple_choice,
new String[]{"userLogin", "chatLogin"},
new int[]{android.R.id.text1, android.R.id.text2});
usersList.setChoiceMode(ListView.CHOICE_MODE_MULTIPLE);
usersList.setAdapter(usersAdapter);
btnChat.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View v) {
// TODO Auto-generated method stub
SparseBooleanArray checked= usersList.getCheckedItemPositions();
for (int i = 0; i < checked.size(); i++) {
// Item position in adapter
int position = checked.keyAt(i);
// Add sport if it is checked i.e.) == TRUE!
if (checked.valueAt(i))
{
QBUser friendUser = users.get(position);
String login, password;
int id;
id=friendUser.getId();
login=friendUser.getLogin();
password=friendUser.getPassword();
friends.add(new Friend_Users(id,login, password));
}
}
Friend_Users_Wrapper wrapper= new Friend_Users_Wrapper(friends);
Log.e("UserListForGroupAcitvity friend list pass intent=>", friends.size()+ friends.get(0).getLogin());
Bundle extras = getIntent().getExtras();
Intent intent=new Intent(UserListForGroupActivity.this, GroupChatActivity.class);
intent.putExtra("friends", wrapper);
intent.putExtras(extras);
startActivity(intent);
}
});
} else {
AlertDialog.Builder dialog = new AlertDialog.Builder(this);
dialog.setMessage("Error(s) occurred. Look into DDMS log for details, " +
"please. Errors: " + result.getErrors()).create().show();
}
}
#Override
public void onComplete(Result result, Object context) { }
}
GroupChatActivity.java
public class GroupChatActivity extends Activity {
private EditText messageText;
private TextView meLabel;
private TextView friendLabel;
private ViewGroup messagesContainer;
private ScrollView scrollContainer;
private QBUser me;
private GroupChatController groupChatController;
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.chat);
// Load QBUser objects from bundle (passed from previous activity).
Bundle extras = getIntent().getExtras();
Friend_Users_Wrapper wrapper= (Friend_Users_Wrapper) getIntent().getSerializableExtra("friends");
ArrayList<Friend_Users> friendArray= wrapper.getFriend_Users();
me = new QBUser();
me.setId(extras.getInt("myId"));
me.setLogin(extras.getString("myLogin"));
me.setPassword(extras.getString("myPassword"));
System.out.println("user login =>"+extras.getString("myLogin"));
QBUser friends= new QBUser();
for (Friend_Users friend_Users : friendArray) {
friends.setId(friend_Users.getId());
friends.setLogin(friend_Users.getLogin());
friends.setPassword(friend_Users.getPassword());
}
// UI stuff
messagesContainer = (ViewGroup) findViewById(R.id.messagesContainer);
scrollContainer = (ScrollView) findViewById(R.id.scrollContainer);
Button sendMessageButton = (Button) findViewById(R.id.sendButton);
sendMessageButton.setOnClickListener(onSendMessageClickListener);
messageText = (EditText) findViewById(R.id.messageEdit);
// ================= QuickBlox ===== Step 5 =================
// Get chat login based on QuickBlox user account.
// Note, that to start chat you should use only short login,
// that looks like '17744-1028' (<qb_user_id>-<qb_app_id>).
String chatLogin = QBChat.getChatLoginShort(me);
// Our current (me) user's password.
String password = me.getPassword();
if (me != null && friends != null) {
// ================= QuickBlox ===== Step 6 =================
// All chat logic can be implemented by yourself using
// ASMACK library (https://github.com/Flowdalic/asmack/downloads)
// -- Android wrapper for Java XMPP library (http://www.igniterealtime.org/projects/smack/).
groupChatController = new GroupChatController(chatLogin, password);
groupChatController.setOnMessageReceivedListener(onMessageReceivedListener);
// ================= QuickBlox ===== Step 7 =================
// Get friend's login based on QuickBlox user account.
// Note, that for your companion you should use full chat login,
// that looks like '17792-1028#chat.quickblox.com' (<qb_user_id>-<qb_app_id>#chat.quickblox.com).
// Don't use short login, it
String friendLogin = QBChat.getChatLoginFull(friends);
groupChatController.startChat(friendLogin);
}
}
private void sendMessage() {
if (messageText != null) {
String messageString = messageText.getText().toString();
groupChatController.sendMessage(messageString);
messageText.setText("");
showMessage(me.getLogin() + " (me) : "+messageString, true);
}
}
private GroupChatController.OnMessageReceivedListener onMessageReceivedListener = new GroupChatController.OnMessageReceivedListener() {
#Override
public void onMessageReceived(final Message message) {
String messageString = message.getBody();
showMessage(messageString, false);
}
};
private void showMessage(String message, boolean leftSide) {
final TextView textView = new TextView(GroupChatActivity.this);
textView.setTextColor(Color.BLACK);
textView.setText(message);
int bgRes = R.drawable.left_message_bg;
LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(
LinearLayout.LayoutParams.WRAP_CONTENT, LinearLayout.LayoutParams.WRAP_CONTENT);
if (!leftSide) {
bgRes = R.drawable.right_message_bg;
params.gravity = Gravity.RIGHT;
}
textView.setLayoutParams(params);
textView.setBackgroundResource(bgRes);
runOnUiThread(new Runnable() {
#Override
public void run() {
messagesContainer.addView(textView);
// Scroll to bottom
if (scrollContainer.getChildAt(0) != null) {
scrollContainer.scrollTo(scrollContainer.getScrollX(), scrollContainer.getChildAt(0).getHeight());
}
scrollContainer.fullScroll(View.FOCUS_DOWN);
}
});
}
private View.OnClickListener onSendMessageClickListener = new View.OnClickListener() {
#Override
public void onClick(View view) {
sendMessage();
}
};
}
GroupChatController.java
public class GroupChatController {
// Get QuickBlox chat server domain.
// There will be created connection with chat server below.
public static final String CHAT_SERVER = QBChat.getChatServerDomain();
private XMPPConnection connection;
private ConnectionConfiguration config;
private Chat chat;
// Multi-User Chat
private MultiUserChat muc2;
private String chatLogin;
private String password;
private String friendLogin;
private ChatManager chatManager;
public GroupChatController(String chatLogin, String password) {
this.chatLogin = chatLogin;
this.password = password;
}
public void startChat(String buddyLogin) {
this.friendLogin = buddyLogin;
new Thread(new Runnable() {
#Override
public void run() {
// Chat action 1 -- create connection.
Connection.DEBUG_ENABLED = true;
config = new ConnectionConfiguration(CHAT_SERVER);
connection = new XMPPConnection(config);
try {
connection.connect();
connection.login(chatLogin, password);
// Chat action 2 -- create chat manager.
chatManager = connection.getChatManager();
// Chat action 3 -- create chat.
chat = chatManager.createChat(friendLogin, messageListener);
// Set listener for outcoming messages.
chatManager.addChatListener(chatManagerListener);
// Muc 2
if(connection != null){
muc2 = new MultiUserChat(connection, "2389_chat1#muc.chat.quickblox.com");
// Discover whether user3#host.org supports MUC or not
// The room service will decide the amount of history to send
muc2.join(chatLogin);
muc2.invite(friendLogin, "Welcome!");
Log.d("friendLogin ->",friendLogin);
// Set listener for outcoming messages.
//chatManager.addChatListener(chatManagerListener);
muc2.addMessageListener(packetListener);
addListenerToMuc(muc2);
//chat1#muc.chat.quickblox.com
}
Message message = new Message(friendLogin + "#muc.chat.quickblox.com");
message.setBody("Join me for a group chat!");
message.addExtension(new GroupChatInvitation("2389_chat1#muc.chat.quickblox.com"));
connection.sendPacket(message);
} catch (XMPPException e) {
e.printStackTrace();
}
}
}).start();
}
/*** muc */
private void addListenerToMuc(MultiUserChat muc){
if(null != muc){
muc.addMessageListener(new PacketListener() {
#Override
public void processPacket(Packet packet) {
Log.i("processPacket", "receiving message");
}
});
}
}
PacketListener packetListener = new PacketListener() {
#Override
public void processPacket(Packet packet) {
Message message = (Message)packet;
try {
muc2.sendMessage(message);
} catch (XMPPException e) {
e.printStackTrace();
}
//System.out.println("got message " + message.toXML());
}
};
private PacketInterceptor packetInterceptor = new PacketInterceptor() {
#Override
public void interceptPacket(Packet packet) {
System.out.println("Sending message: " + packet.toString());
Message message = muc2.createMessage();
message.setBody("Hello from producer, message " +
" ");
try {
muc2.sendMessage(message);
} catch (XMPPException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
};
/***/
private ChatManagerListener chatManagerListener = new ChatManagerListener() {
#Override
public void chatCreated(Chat chat, boolean createdLocally) {
// Set listener for incoming messages.
chat.addMessageListener(messageListener);
muc2.addMessageListener(packetListener);
}
};
public void sendMessage(String message) {
try {
if (chat != null) {
chat.sendMessage(message);
}
if (muc2 != null) {
muc2.sendMessage(message);
}
} catch (XMPPException e) {
e.printStackTrace();
}
}
private MessageListener messageListener = new MessageListener() {
#Override
public void processMessage(Chat chat, Message message) {
// 'from' and 'to' fields contains senders ids, e.g.
// 17792-1028#chat.quickblox.com/mac-167
// 17744-1028#chat.quickblox.com/Smack
String from = message.getFrom().split("#")[0];
String to = message.getTo().split("#")[0];
System.out.println(String.format(">>> Message received (from=%s, to=%s): %s",
from, to, message.getBody()));
if (onMessageReceivedListener != null) {
onMessageReceivedListener.onMessageReceived(message);
}
}
};
public static interface OnMessageReceivedListener {
void onMessageReceived(Message message);
}
// Callback that performs when device retrieves incoming message.
private OnMessageReceivedListener onMessageReceivedListener;
public OnMessageReceivedListener getOnMessageReceivedListener() {
return onMessageReceivedListener;
}
public void setOnMessageReceivedListener(OnMessageReceivedListener onMessageReceivedListener) {
this.onMessageReceivedListener = onMessageReceivedListener;
}
}

public void startChat(String buddyLogin) {
...
List<String> usersLogins= new ArrayList<String>();
for(String userLogin: usersLogins){
muc2.invite(userLogin, "Welcome!");
}
...
}

Android Intent after onpostexecute fails to start

I have a registration system. The registration is working fine. My main problem is: I would like to start MainActivity.java after logging in. After sending the login data to the Server, the Server checks in Database if it matches and sends out an int (0 for unmatched) and (1 for success). This works great as well. But if i want to start the Intent after onPostExecute Method it gives out an Error:
FATAL EXCEPTION: main
java.lang.NullPointerException
at android.app.Activity.startActivityForResult
...
This is my StartPage which exectues my AsyncTask Class. And receives success or unmatched in the Method getLoginMessage().
public class LoginPage extends Activity {
String userName;
String password;
String sendProtocolToServer;
static String matched = null;
static String unmatched;
static Context myCtx;
#Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_loginpage);
setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
Button login = (Button) findViewById(R.id.loginBtn);
login.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View v) {
handleLogin();
}
});
Button register = (Button) findViewById(R.id.registerBtn);
register.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View v) {
Intent openMainActivityRegister = new Intent(
"com.example.fotosharing.REGISTERPAGE");
startActivity(openMainActivityRegister);
}
});
}
private void handleLogin() {
EditText editTextBox = (EditText) findViewById(R.id.EditTextUser);
EditText passwordTextBox = (EditText) findViewById(R.id.EditTextPassword);
userName = editTextBox.getText().toString();
password = passwordTextBox.getText().toString();
if (!userName.equals("") && !password.equals("")) {
sendProtocolToServer = "login" + "#" + userName + "#" + password;
ConnectToServer cts = new ConnectToServer(sendProtocolToServer);
cts.execute();
} else {
Toast.makeText(this, "Fill in Username and Password to login",
Toast.LENGTH_LONG).show();
}
}
public void getLoginMessage(String receivedMessage) {
if (receivedMessage.equals("success")) {
Intent openMainActivity = new Intent(
"com.example.fotosharing.TIMELINEACTIVITY");
openMainActivity.clone();
startActivity(openMainActivity);
}
if (receivedMessage.equals("unmatched")) {
Toast.makeText(this, "Password or username incorrect.", Toast.LENGTH_LONG).show();
}
}
}
This is my Async-Task class which receives Data from my Java-Server, and checks if it was an successful or an unmatched login. In onPostExecute im calling a Method in the LoginPage.class, which handles the Intent (here comes the Error).
public class ConnectToServer extends AsyncTask<Void, Void, String> {
public Context myCtx;
static Socket socket;
String sendStringToServer;
int protocolId = 0;
private static DataOutputStream DOS;
private static DataInputStream DIS;
StringBuffer line;
int j = 1;
String value;
static String res = null;
public ConnectToServer(String sendStringToServer) {
this.sendStringToServer = sendStringToServer;
}
public ConnectToServer(int i) {
this.protocolId = i;
}
public ConnectToServer() {
}
public ConnectToServer(Context ctx) {
this.myCtx = ctx;
}
protected String doInBackground(Void... arg0) {
try {
socket = new Socket("192.168.1.106", 25578);
DOS = new DataOutputStream(socket.getOutputStream());
if (protocolId == 1) {
DOS.writeUTF("pictureload");
protocolId = 0;
} else {
DOS.writeUTF(sendStringToServer);
}
res = receive();
// DOS.close();
} catch (UnknownHostException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
System.out.println("RES: " + res);
return res;
}
public String receive() {
String receiveResult = null;
if (socket.isConnected()) {
try {
BufferedReader input = new BufferedReader(
new InputStreamReader(socket.getInputStream()));
DIS = new DataInputStream(socket.getInputStream());
int msg_received = DIS.readInt();
System.out.println("SERVER: " + msg_received);
if (msg_received == 1) {
receiveResult = "success";
System.out.println("IF (success): " + receiveResult);
}
if (msg_received == 0) {
receiveResult = "unmatched";
System.out.println("ELSE IF (unmatched): "
+ receiveResult);
}
} catch (IOException e) {
e.printStackTrace();
}
}
// ***** return your accumulated StringBuffer as string, not current
// line.toString();
return receiveResult;
}
protected void onPostExecute(String result1) {
if (result1 != null) {
if (result1.equals("success") || result1.equals("unmatched")) {
sendToLoginPage(result1);
}
}
}
private void sendToLoginPage(String result1) {
System.out.println("sendtologi " + result1);
LoginPage lp = new LoginPage();
lp.getLoginMessage(result1);
}
}
This is the class I want to start when it was a successful login.
What am I doing wrong?
public class MainActivity extends SherlockFragmentActivity {
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
ActionBar actionbar = getSupportActionBar();
actionbar.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS);
actionbar.setBackgroundDrawable(new ColorDrawable(Color.BLACK));
actionbar.setStackedBackgroundDrawable(new ColorDrawable(Color.parseColor("#91d100")));
ActionBar.Tab Frag1Tab = actionbar.newTab().setText("Home");
ActionBar.Tab Frag2Tab = actionbar.newTab().setText("Share Photo");
Fragment Fragment1 = new TimelineActivity();
Fragment Fragment2 = new CameraActivity();
Frag1Tab.setTabListener(new MyTabsListener(Fragment1));
Frag2Tab.setTabListener(new MyTabsListener(Fragment2));
actionbar.addTab(Frag1Tab);
actionbar.addTab(Frag2Tab);
}
}

You cannot just create instance of your activity with new keyword, like this:
private void sendToLoginPage(String result1) {
System.out.println("sendtologi " + result1);
LoginPage lp = new LoginPage();
lp.getLoginMessage(result1);
}
This is wrong and it is probably why you are getting error. Code you posted is quite complex, so i am not sure if there are any other problems.
This is how it should be done:
So... Since you probably have ConnectToServer asyncTask in separate file, you need pass events or data to your LoginPage activity. For this purpose, you should use event listener, like this:
First, create interface that will represent communication between your ConnectToServer and your LoginPage.
public interface LoginResultListener {
public void getLoginMessage(String receivedMessage);
}
Now, make your LoginPage activity implement this interface:
public class LoginPage extends Activity implements LoginResultListener {
...
}
Now, update your ConnectToServer asyncTask, so that it uses LoginResultListener to communicate login result to your activity, like this:
public class ConnectToServer extends AsyncTask<Void, Void, String> {
private LoginResultListener listener;
...
public void setListener(LoginResultListener listener) {
this.listener = listener;
}
...
private void sendToLoginPage(String result1) {
System.out.println("sendtologi " + result1);
//THIS IS WHERE YOU DID WRONG
listener.getLoginMessage(result1);
}
...
}
Now finally, when you create new ConnectToServer async task from your activity, you need to set listener that will handle events when user logs in. Since you implemented this interface in your activity, you will send your activity object as listener parameter, see below:
ConnectToServer cts = new ConnectToServer(sendProtocolToServer);
// THIS IS IMPORTANT PART - 'this' refers to your LoginPage activity, that implements LoginResultListener interface
cts.setListener(this);
cts.execute();