39 questions
Hi, everyone.I'm creating an alarm on Android using AlarmManager and PengingIntent.The alarm goes off three times every morning, lunch, and dinnerThe alarm is not working properly. The alarm may sound...
Please tell me how to write getExtra() and putExtra(). How I'm going to use it is There is a string variable called str, and I want to save this value. I want to save it and send the data from this ac...
ListView listView = findViewById(R.id.listview); SingerAdapter adapter = new SingerAdapter(); adapter.addItem(new SingerItem(1,2)); adapter.addItem(new SingerItem(1,2)); adapter.addItem(new SingerItem...
['1', '2', '3'] -> [1, 2, 3]How do I turn a number stored in text into a number?I think there is a way to do it without using the for statement, but I don't know what to do.
I'd like to make a simple app to return to my previous activity. What code do I need to return to the previous activity?
posted_by = 111-333-222-4; String uri = tel: + posted_by.trim() ; Intent intent = new Intent(Intent.ACTION_CALL); intent.setData(Uri.parse(uri)); startActivity(intent);I tried to make the phone ring o...
//Second.classf =fstE.getText().toString(); l = lstE.getText().toString();Intent i = new Intent(Second.this, T1_text.class);i.putExtra(lastName,l);i.putExtra(firstName,f);startActivity();//T1_text.cl...
Intent.putExtra(RecognizerIntent.EXTRA_LANGUAGE_MODEL, RecognizerIntent.LANGUAGE_MODEL_FREE_FORM);Intent.putExtra(RecognizerIntent.EXTRA_LANGUAGE, Locale.getDefault());Intent.putExtra(RecognizerInte...
I'm programming by myself. I don't have any knowledge, but I'm studying hard by googling.Create a login button linked to Naver, Kakao, and Google (Firebase) and I think I'm logged in, but I want to mo...
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