Recent questions tagged Android

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I has the following class that represents a View that is touchable and draw a Slide Bar. public class SlideBar ... it to keep dragging bar. 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 - setImageResource Vs setDrawable

When it comes android development and performance, if you have imageview then which one would be faster or ... Thanks for the comments 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 studio - Ignore R.java files in Find results

When I do a Find in Path (Ctrl+Shift+F), I often get results under "Usages in Generated Code" in R. ... under "Found Occurrences" Thank you! 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 - FragmentActivity causing ClassNotFoundException

I just used Android SDK Manager to update Android SDK Tools to revision 17, and Android Compatiblity to revision ... </application> </manifest> 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 - Add custom layout to toolbar

I followed this tutorial to give my app a regular toolbar with some tabs. I want to change the ... .support.design.widget.CoordinatorLayout> 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 - AsyncTask return value

My android app connects to my website to retrieve and upload information so I use an AsyncTask thread. In one ... offer suggestions ... thanks! 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 can I delete the nameValuePairs key from the JSONObject?

I'm working on an Android project which needs a JSONObject for the body of my POST request. After putting the keys ... know how can I fix 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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android - Open google maps from hyperlink

I am trying to design a webpage specially for android users so i was wondering if there is a hyper link format that can ... "> Call me now </a> 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 set custom font in .xml file instead of .java file?

I am creating one Application in which I want to set custom font. But I can't use custom Fonts in .xml file ... know then please help me... 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 - AlertDialog: How To Remove Black Borders Above and Below View

This question has been asked before: AlertDialog custom title has black border But was not answered satisfactorily - and ... 't work for me. See Question&Answers more detail:os...

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

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671 views

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android - LiveData.getValue() returns null with Room

Java POJO Object public class Section { @ColumnInfo(name="section_id") public int mSectionId; @ColumnInfo(name=" ... ().getAllSections(); 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 studio new project missing folders

I have created a new project using the latest version of Android Studio (0.2.2), this is a fresh ... -so-obvious setting somewhere? Thanks. See Question&Answers more detail:os...

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

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191 views

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android - Error inflating class com.facebook.widget.LoginButton with Facebook SDK 4.0.1

I know this is a very common question, btu I have read through all the stack overflow questions without finding ... .selectDrawerItem(0); } } 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.lang.SecurityException: Requires VIBRATE permission on Jelly Bean 4.2

Since yesterday I have an issue on Android 4.2 when I receive push notifications it requires the permission even if ... i never modify the code 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 disable a RadioGroup until checkbox is checked

I have a radio group which I do not want to user to be able to select any of the buttons until a particular ... How do I go about doing 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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164 views

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android - GooglePlayServicesUtil.getErrorDialog is null

I'm using ACRA (arca.ch) to generate automatic error reports. I just released a new version of my app using ... create(); dialog.show(); } See Question&Answers more detail:os...

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

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290 views

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android - AndroidManifest in androidTest directory being ignored

I'm trying to test using the following directory structure (which was setup by Android Studio): I can run ... permissions for my test project? See Question&Answers more detail:os...

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

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358 views

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android - Localization and drawables

I want to localize an image by adding the folder res/drawable-hdpi-no, but I get an error stating "invalid resource ... ". What's up with 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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253 views

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android - SocketTimeoutException in Retrofit

I am trying to POST request to server for fetch data but sometime It's occure SocketTimeoutException! I used ... Thread.run(Thread.java:818) See Question&Answers more detail:os...

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

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363 views

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android - How do I add selectableItemBackground to an ImageButton programmatically?

android.R.attr.selectableItemBackground exists, but how do I add it programatically to an ImageButton? Also, how ... that of the documentation. See Question&Answers more detail:os...

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

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137 views

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android - Crash in ListView at AbsListView.obtainView for ListActivity

I'm watching content updates on a ListActivity using a ContentObserver as follows: protected void onCreate(Bundle savedState ... few days... Tim See Question&Answers more detail:os...

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

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505 views

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android - AndroidX : No instrumentation registered! Must run under a registering instrumentation

I'm trying to run a local unit test that depends on the context, and was following this guide: https://developer. ... ideas on how to solve it? 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 - Removing/Adding constraint programmatically in ConstraintLayout

I want to remove and add constraint programmatically based on some condition. Here are the screenshots: and I ... ; set.applyTo(parentView); See Question&Answers more detail:os...

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

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334 views

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android - onAttach() not called in Fragment

My Fragment doesn't call onAttach(context) method when it launched from AppCompatActivity. Fragment creating in XML: < ... project min sdk 14. See Question&Answers more detail:os...

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

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224 views

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android - What to do when - java.io.FileNotFoundException: No content provider?

when I try to attach a file to an email, I get a java.io.FileNotFoundException: No content provider ... system.NativeStart.main(Native Method) See Question&Answers more detail:os...

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

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193 views

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android - What is lifecycle for RecyclerView adapter?

I'm requesting images from presenter in adapter: @Override public void onBindViewHolder(SiteAdapter.ViewHolder holder, ... avoid memory leak See Question&Answers more detail:os...

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

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266 views

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android - AlertDialog's setCancelable(false) method not working

I had created an AlertDialog which is working fine. It is disappearing, if I press: 1) escape keyboard button or ... 4.0 on XP Professional. See Question&Answers more detail:os...

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

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211 views

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android - What is the baseline in RelativeLayout?

What does "baseline" refer to when used in the context of a relative layout? Simple question, probably, but the ... and google offer no hints. See Question&Answers more detail:os...

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

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