I have Sqlite a field called date_start , which keeps the date of a walk.
This is of type Long and stores the date in milisegundos .
I would like, through a query, to return the highest value (the last recorded hi...
I have a fragment v4 that is managed by a SectionsPagerAdapter . In fragment I have a RecyclerView that has a Adapter custom that receives a ArrayList that contains exactly 96 objects, which represents th...
In a scenario where you have an activity with a constructor (public, of course) and the onCreate method which is part of its lifecycle. Which of the two will run first?
I would like to know if there is any problem with the App's performance in using 2 handler.postDlay() at the same time, type calling the 2 in functions: inside the OnCreate Td1 (); Td2 ();
public void Td1(){
final Handler handler =...
I'm developing an app to multiply two EditText (quantity X value) and show the result in another EditText . The problem is that there are several EditText as shown in the following code:
<LinearLayout
android:orie...
When you send the PhoneGap APK to GooglePlay, you have the following error:
SEND NEW APK FOR PRODUCTION
Upload failed You uploaded a debugging APK. For reasons of
debug before you publish it on Google Play.
Learn more about debu...
I do not know this function is native to the Google Maps API but I can not start the zoom map in my location, follow my code.
public class MainActivity extends FragmentActivity {
GoogleMap mGoogleMap;
@Override
protected void onC...
I'm creating an Android application and would like to know how do I change the red color of the phrase "SPI Equation" in this AlertDialog?
AlertDialog.Builder dlg = new AlertDialog.Builder(this);
dlg.setMessage("Equação SPI \n\n"+...
I'm developing a code to get an image of Galeria do Android . I'm using QtAndroid to write a code equivalent to java in Qt.
I already opened the gallery, I selected the image and I got the path, but the return is MediaColumn...