Questions tagged as 'android'

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How to instantly display the result of an operation on Android?

I have 3 EditText . In the first I put the quantity and in the second a value. I needed the 3% EditText to instantly show the result of the operation. Is it possible to do this on Android without using javascript?     
asked by 04.08.2015 / 19:32
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Circular Progress Bar Android

Well, having a problem with how to make a circular progress bar, could anyone explain and show me some examples? Thank you very much.     
asked by 03.09.2015 / 14:57
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JPA + OrmLIte android: not all of the entity are returned

Good evening, I have the following problem. I'm using JPA with ORMlite to do persistence on Android. I created a class Produto and a Categoria , both of which inherit from an abstract class AbstractEntity . When querying...
asked by 21.08.2015 / 02:20
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How do I get the reference of a dynamically created EditText when I click it?

I have created some TextViews and EditTexts dynamically as in the code below: public void criaForm(){ for (int i = 0; i < vet.length; i++) { TextView tv = new TextView(this); tv.setText(paises[i]) layout.addView...
asked by 20.08.2015 / 21:47
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Creating an infinite ListView?

I'm trying to create an infinite ListView to go looking for information in my webservice every 10 minutes. For this I'm trying to use this example: link But I do not know how I can return from this example the offset and the limit to go...
asked by 15.09.2015 / 15:49
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How to remove SMS after being sent?

I'm trying to send the SMS through SmsManager and then delete it from the sent items. I'm running the following code: SmsManager sms = SmsManager.getDefault(); sms.sendTextMessage(num.getText().toString(), null, msg.getText().toString(), null,...
asked by 13.09.2015 / 01:18
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How to recover Activity, instead of creating new, when clicking the notification?

In my app when activity goes to status onPause I trigger its notifications through the NotificationManager. I'd like it to be retrieved into the onResume state if a click was given in the notification. Through this code I can open a new ac...
asked by 04.05.2015 / 14:54
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Doubt about Searchview

I am a beginner in programming and Android and I have researched a lot and watched many video lessons and am having a hard time with regard to search with searchview. I, despite researching, testing and testing I am not able to understand how to...
asked by 25.07.2015 / 18:24
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Default device notification Ringtone

In my application I have in the settings an option for the user to select the sound that will be executed when receiving notification. ThenIopenAlertDialogandlistthedefaulttouchofthedeviceitself:UridefaultRingtoneUri=RingtoneManager.getDefau...
asked by 27.07.2015 / 16:41
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Application in AndroidStudio java [closed]

I'm programming an android app in AndroidStudio, in java and working with database, using SQLite, how do I list the images being saved in the database in BLOB format?     
asked by 25.08.2015 / 17:32