Recent questions tagged Android

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android - NullPointerException at openFileOutput in Activity

I have an Activity with an ImageView, which, if it is empty and clicked, should load an image from Internet and ... it work from time to time? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - Set media left/right volume separately?

I would like to override the media left and right volume setting separately as a whole. It does not seem ... to go through root rights. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - recyclerview inside horizontalscrollview

how can i put vertical recyclerview inside horizontalScrollview ? when adapter binds data at viewholder, item's ... support.v7.widget.CardView> See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - how to call the ok button in the EditTextPreference

I have an EditTextPreference in the PreferenceActivity. When user click the EditTextPreference will show a dialog. In ... OK button click event. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - listview with radio group error

everybody i am creating a custom listview with dynamic radiobuttons adding to radiogroup upto that i am getting what i ... ; } return view; } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - Why full/long dynamic link is not getting retrieved/received?

I'm creating a deep/dynamic link following this github project. Here's the link which is getting created: ... which was created and shared? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android how to make text in an edittext exactly fixed lines

I want to allow use to enter just 5 lines, I tried this <EditText android:layout_below="@+id/ ... Enter after the fifth line See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - SetReadAccess error for new ParseObject

I have the following code placed in my application class of an Android app of mine: // Register ParseObject ... with the Offline Todo example. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - navigation component popUpTo bug

Recently I ran into issue that I asked about here But when trying to figure out what's happening I ... ZygoteInit.main(ZygoteInit.java:1374) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - How to change background color of selected items in ListView?

i've seen many simillar questions and every answer is very specific to the problem and no straight forward answer, ... ? Thank in advance, Eric See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - Changing RadioButton color on API 19 and below?

So I have an app in which the user can select a color by choosing from a set of RadioButtons, I have used the ... , but so far none have worked. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - ArrayAdapter requires ID to be a TextView error

I am trying to create a nice layout for my list items, but my code only works when it is simplified like ... icon1; ImageView icon2; } } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - Why would Eclipse tell me there is no attribute "margin" for a LinearLayout?

I'm getting an error when I try and build my android project: No resource identifier found for attribute ... </RelativeLayout> </LinearLayout> See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - How to exclude kotlin files from compiling with gradle

With Java, we are excluding like this: java { srcDir 'src' exclude '**/myTests/**' } I want to make the same ... ' exclude '**/myTests/*.kt' } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - How should I fetch images under an array using retrofit

I have images under array...here is my json: { "status": 200, "data": { "id": 1, "product_category_id": ... json 2. Thanks in advance for help. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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192 views

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android - How to parse an xml to java class with recycler view or in adapter of recyclerview

I have an xml file which name it is Bookmark and it is into the xml folder. I want to parse ... </android.support.constraint.ConstraintLayout> See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - JSON object to listView

i am newbie to android, I wanted to implement dynamically JSON data to my android listView, I have only to ... assignment.. Thanks in advance. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - Error creating imagefile (Read-only file system)

First of all this is not duplicate question and I have tried solutions from other similar threads but it looks like ... 1977): Shutting down VM See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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626 views

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android - Add .so (prebuilt) library from another directory to APK

I am trying to include my .so library from another directory. Compiling my project works fine. But when I run it, it ... C:/svn/sys_libs'] } } } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - Get positions of views in a dialog, relative to their parent

What I want to do is, to draw a line from the edge of a button to a point on the screen... I'm ... lines somewhere later, but when and where? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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203 views

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android - Sending LinkedHashMap to intent

I want send LinkedHashMap to another Intent. But I don't known what method for extras is allowable. Bundle extras ... = extras.get(LIST_TXT); See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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268 views

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android - Text to Speech not working as expected

I have followed several tutorials, but I am experiencing the same problem. First, here is my simple code: import ... in onCreate or onStart(). See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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287 views

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android - Phonegap - Bring from background to foreground

I'm developing my team along with an application that must run in the background when an event called by ... ? Very grateful this already. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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176 views

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android change listview font and color

I've found loads of different ways of accomplishing this but I'm not sure what's the best for my scenario ... (Color.BLACK); return vi; See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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694 views

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android - AsyncTask block UI thread and show progressbar with delay

My AsyncTask is blocking block button element while downloading image and progress dialog is shown with delay - ... better solution for this. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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258 views

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android - URLConnection.getContentLength() returns -1

I have a URL which, when I enter in browser, opens the image perfectly. But when I try the following code, I ... can be the reason behind this? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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209 views

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android - Nullable var with `?` vs. lateinit var

What is the best way to define global variables in a Kotlin/Android activity/fragment? What are the different ... have to check for null. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - java.io.invalidClassException during serializing/deserializing

I've got an object that im reading and writing to and from fileinputstreams/objectinputstreams and objectinputstreams/ ... : Shutting down VM See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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