Recent questions tagged Android

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android - Changing text from another activity

How to dynamically change the content of a TextView from another part of the screen? I have a TabActivity ... TabActvity. Is this possible? 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 - "GoogleApiClient is not connected yet" exception in Cast application

I'm developing an Android application that casts content to Chromecast. Sometimes in my com.google.android.gms.common. ... } 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 - SharedPreferences in BroadcastReceiver seems to not update?

I have a Activity which updates a string in the SharedPreferences. SharedPreferences settings = PreferenceManager. ... ")); } 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 - Fatal Exception: java.lang.UnsupportedOperationException: Failed to resolve attribute at index 6: TypedValue{t=0x2/d=0x101009b a=1}

I am seeing this error in a live app thus I have no clue why this happening. All I have is this ... .os.ZygoteInit.main(ZygoteInit.java:1120) 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 start an activity after certain time period?

i need to start an activity from the current activity after a certain time period. I coded like below. public ... > </activity> </application> See Question&Answers more detail:os...

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

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213 views

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android - cannot combine custom titles with other title features

I am getting this error when calling the setContentView() after requestWindowFeature(Window.FEATURE_CUSTOM_TITLE); getWindow ... the clash? 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 - Google Vision barcode library not found

I'm trying to use the new feature in Google Play Services (Vision) to add QR code scanning to ... barcodeDetector.isOperational() returns false. See Question&Answers more detail:os...

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

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179 views

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android - Security Exception when trying to access a Picasa image on device running 4.2

in my app i let the user select an image from the gallery and had no problems doing this pre 4.2 but ... :name="android.permission.INTERNET" /> 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 - Prevent Proguard to remove specific drawables

In my Android project, I have some images stored in res/drawable/ which are accessed only from an HTML file ... directly in the java 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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215 views

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android - Setting a LongClickListener on a map Marker

is there a way to set a longClickListsner on a marker on google maps v2? I want to have the user long ... view information. Can this be done? See Question&Answers more detail:os...

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

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222 views

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android - How to layer views

I have a custom-made view that extends the View class. I would like 2 instances of my custom view layered ... layout file look to achieve 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 - Java Primitive Types: int vs. Integer

I am confused about when to use primitive vs. non-primitive(?) types (i.e. int vs. Integer) in ... officially referred to as reference types. See Question&Answers more detail:os...

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

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161 views

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android - Is there a way to pass a function reference between activities?

is there a way of bundling function references in Kotlin and Android so that the functions can be called from ... to everyone for your 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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253 views

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android - VideoView inside fragment causes black screen flicking

We have an Android application running on Android API 4.0. One of the activities has a layout that divides ... VideoView the flicker is gone. See Question&Answers more detail:os...

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

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274 views

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android - onConnectionFailed giving SIGN_IN_REQUIRED(4)

I am developing an Android application where I want to use the Google API. For that I have imported the ... project in the Google console. See Question&Answers more detail:os...

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

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202 views

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android - NavigationView: how to insert divider without subgroup?

How I can put a divider without title Subgroup in the new NavigationView? <?xml version="1.0" encoding= ... Configuración title. 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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272 views

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android - Anyone Have MediaRecorder Working with ParcelFileDescriptor and createPipe()?

I am trying to work out an example of recording audio, with the data storage being handled by the app, ... Any suggestions? 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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238 views

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android - Spinner does not show selected value

I have implemented the spinner by populating the array list through database.I can get and show the array list in my ... help me out pls!!! See Question&Answers more detail:os...

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

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504 views

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android - DrawerLayout must be measured with MeasureSpec.EXACTLY error

I am trying to implement a Navigation drawer, but I keep getting this error. I saw the similar ... .setDrawerListener(drawerToggle); } See Question&Answers more detail:os...

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

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149 views

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android - MarkerClick works but InfoWindowClick does not open ViewModel

The following MarkerClick implementation works, perfectly fine. I could be able to open other Views via ... -= MMap_InfoWindowClick; } See Question&Answers more detail:os...

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

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172 views

1 answer

android - How to connect to WiFi programmatically

I am trying to connect to a new wifi network using an app and not android wifi settings with following code, but it ... )); return false; } } } See Question&Answers more detail:os...

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

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134 views

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android - check box in listview not working properly

I am implementing the checkbox with listview for every Iten of listview.The Problem i am getting is when I am ... "20dp" /> </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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212 views

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android - Register GCM from a library project

I am trying to register to GCM from a library project the GCMIntentService is defined inside the library project. ... " /> </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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223 views

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android - List out all images from SD card

Hi I am developing android Gallery app . I am fetching the images from a folder in sd card and displaying it on ... do it. Please Help. 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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463 views

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android - C++ ifstream.getline() significantly slower than Java's BufferedReader.readLine()?

I'm in the process of rewriting one of my Android applications to take advantage of the NDK and one of the first ... by line in C++? 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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267 views

1 answer

android - How to save OpenCV Keypoint features to database?

My project is recognition the leaf on Android using OpenCV library. I am using ORB detection to get the keypoint of ... how can i do that?? See Question&Answers more detail:os...

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

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271 views

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android - Setting contact custom ringtone, how?

I know how to change phone ringtone, also how to get contacts, but how can I set a ringtone for a specific contact ... ); But it's not working. See Question&Answers more detail:os...

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

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200 views

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android - Gallery has stopped while cropping image in kitkat Nexus7

Problem: I am fetching image from gallery and after that cropped that image and its working perfect in all device. But ... ; } return 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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