Questions tagged as 'android-studio'

Tagged questions
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Query prepared in web server with PHP JSON for Android

I have a small problem. Thanks to another partner here is how to prepare inserts prepared in the databases, but with that same model I do not know how to recover a prepared query and recover it in Android. Problem 1 the query: Generally when...
asked by 28.12.2018 / 10:09
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The generated apk.debug does not work on a cell phone [closed]

I am new to the group, I have a problem with making a slider functional (intro) on the cell phone. everything comes out ok when I give it Run, but when I install the application to verify, a warning comes out "unfortunately, test1 has stopped"....
asked by 28.12.2018 / 20:58
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Check Checkbox depending on an Arraylist

I have a listView with an editText and a checkBox, what I want to do is that the checkboxes in the listView appear checked if this is the value of the editText in an arrayList I leave you some code so that it can be identified: The xml of the...
asked by 27.12.2018 / 11:45
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WebView Android studio

I am trying to load a web page and my application works perfectly. The problem I have in that the web has a header that I would like to hide is the following data: How can I hide it? <div id="progression-sticky-header" class="" style="z-...
asked by 27.12.2018 / 17:09
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How to mark all the checkboxes of a Listview through another Checkbox

I have the following xml: <TextView android:layout_height="50dp" android:layout_width="match_parent" style="@style/AlertDialog_TPV_family_Style_Title" android:gravity="center" android:layout_marginBottom="20dp" an...
asked by 21.12.2018 / 11:25
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Spinner does not show me text when selecting item

I have a Dialog with several elements inside, one of them is a spinner, which initializes and loads the data of an ArrayList: public class DialogGArticulos extends android.support.v4.app.DialogFragment { @NonNull @Override public Dialog onCre...
asked by 20.12.2018 / 11:20
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Link BLE Bluetooth device

I am working with a BLE bluetooth device and I am already able to list the enclosing devices, connect to it as long as I have previously linked the device with Android, read and write, etc ... But the problem that I find is that I am not able...
asked by 19.12.2018 / 11:48
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Cursor position SearchView Android

I am looking for a way to position the cursor of a SearchView at the beginning of the text. What I do is that I rescue a text and place it in the SearchView and the cursor is positioned at the end of it. I know that in EditText there is the s...
asked by 15.12.2018 / 20:45
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Gyroscope does not start immediately | Android Studio

I have a small problem with some tests that I am doing in android studio. I am trying to use the gyro sensor of my android device to rotate an image according to the inclination of the device, using the TYPE_ROTATION_VECTOR sensor. But I'm...
asked by 16.12.2018 / 00:36
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Delete and Rebuild BD

I have a database on android, in which by means of a button or something I need the user to delete all the data, all the tables ... Absolutely everything and automatically the tables are generated again could do it? This is my SQLiteOpenHelper c...
asked by 15.12.2018 / 17:30