[Solved] Big double number up to two decimal places [closed]

The number is being rounded up correctly The scientific notation 1.13452289575668E8 means 1.3 x 108 which is 113452289.5756680071353912353515625 double d = 1.13452289575668E8; System.out.println(new BigDecimal(d)); gives 113452289.5756680071353912353515625 round to 2 decimal places is 113452289.58 2 solved Big double number up to two decimal places [closed]

[Solved] How to extend both fragment and AppCompatActivity to a same class?

I have changed your code. Problem was: findViewById(). Activity already have findViewById() method so you can call it in Activity. But Fragment don’t have this method. In Fragment you have to find a View by View.findViewById() method, here View will be the view you are inflating in onCreateView() new ViewPagerAdapter(this). To create a View you … Read more

[Solved] httpResponse = httpClient.execute(httpGet);

From the code you have posted and related imports in the same, depending on the O.S(Esp Honeycomb and onwards), your application would crash due to the NetworkOnMainThreadException. You are attempting the network operation on the main thread, not in a background thread or Asyctask. In your logcat(if you post that it’l help), NetworkOnMainThreadException will be … Read more

[Solved] How to change the activity background from fragment inside it [closed]

Use like this: class Main extends FragmentActivity { public ImageView imageView; @Override protected void onCreate(Bundle arg0) { super.onCreate(arg0); setContentView(R.layout.main); imageView = (ImageView)findViewById(R.id.ivMain); } } class Demo extends Fragment { Main main; public void onAttach(Activity activity) { main = (Main) activity; }; @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { main.imageView.setBackgroundColor(color); return super.onCreateView(inflater, container, … Read more

[Solved] How to pass JSON data from ListView to new activity

You can send an object as a parameter to another activity if the object implements Parcelable: A typical implementation of Parcelable here Then, to send like parameter, something like this: Intent intent = new Intent(this, DetailMovieActivity.class); intent.putExtra(“key”, movie);//Your object that implements Parcelable startActivity(intent); And in the other activity: Bundle arguments = new Bundle(); Movie movie … Read more

[Solved] Date-picker in android studio by clicking button

You can do like this. public void setDate(View v) { final Calendar c = Calendar.getInstance(); year = c.get(Calendar.YEAR); month = c.get(Calendar.MONTH); day = c.get(Calendar.DAY_OF_MONTH); DatePickerDialog dpd = new DatePickerDialog(this, new DatePickerDialog.OnDateSetListener() { @Override public void onDateSet(DatePicker view, int year, int monthofyear, int dayofmonth) { e5.setText(dayofmonth + “-” + monthofyear + “-” + year); } }, … Read more

[Solved] How to convert string to boolean condition in java/android?

Returning code from server is terrible awful. Anyways, this code I give you do some steps: removes new lines and multispaces into one length space from input. finds words by pattern where word starts with if and ends with digits. Adds them to array. prepares pattern with user chosen options combining into similar to (Q4a.NAOK==\”7\” … Read more

[Solved] i want to make typing ‘http://’ is not necessary. how can i do?

I think this can be achieved by checking whether the string is a valid url using a regex. This regex is got from another SO post: “\\b(https?|ftp|file)://[-a-zA-Z0-9+&@#/%?=~_|!:,.;]*[-a-zA-Z0-9+&@#/%=~_|]” You first check whether url is a valid url using this regex. If the url is something like google.com, it does not match. If the url does not … Read more

[Solved] How to login using username instead email on Firebase in Android application [duplicate]

If you want to do something like giving special login access like usernames and passwords, you can use Firebase realtime database to do so. You can create a node named credentials and then store every new username and password in it. Then to check if a person is logging in with correct details, you can … Read more

[Solved] convert circle into heart 2d android [closed]

MathWorld had a great heart shaped function; http://mathworld.wolfram.com/HeartCurve.html Basically you have to do something like this in your code; float fraction = (float) this.currentStep / (float) this.steps; –> float t = this.currentStep * 2.0 * Math.PI / (float) this.steps; this.x = 16.0 * Math.pow(Math.sin(t), 3.0)); this.y = 13.0 * Math.cos(t) – 5.0 * Math.cos(2.0 * … Read more