Recent questions tagged Android

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android - Does Retrofit make network calls on main thread?

I am trying to explore Retrofit+OkHttp on Android. Here's some code I found online : RestAdapter restAdapter = new ... in a new thread hence ? 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 put text in a drawable?

I'm trying to create a drawable on the fly to use as a background for a custom linearlayout. It needs ... to do measurement calculations twice. 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 - Background Image Placement

I'm trying to set my root LinearLayout element (which is set to fill_parent in both dimensions) to have a ... this? Thanks for the 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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android - how to change background image of button when clicked/focused?

I want to change the background image of a button when clicked or focused. This is my code: Button tiny = ( ... calls a button on its 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 - How to access resource with dynamic name in my case?

If I get the image name as a variable like following: var imageName = SERVICE.getImg(); Then, how can I ... , but it failed. Any suggestions? See Question&Answers more detail:os...

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

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344 views

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android - Can't handle both click and touch events simultaneously

I am trying to handle touch events and click events on a button. I do the following: button.setOnClickListener( ... What am I doing wrong? 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 - Tapping form field in WebView does not show soft keyboard

I created my own WebView and set the WebChromeClient and WebViewClient objects. When I start this WebView, the HTML ... false and doesn't 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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android - Could not resolve all dependencies for configuration ':classpath'

I cant seem to get build tools for the latest gradle at all. I suspect its something to do with proxy setting ... link opens fine in a browser. 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 - Recycler view showing single item

I am facing a strange error where recyclerview is showing only a single item. Below is code for my ... repo layout files: layout files 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 - YUV to RGB conversion by fragment shader

I've a problem with convertion of camera preview in Android from YUV format to RGB. The purpose of conversion is to apply ... (r,g,b,1.0); } See Question&Answers more detail:os...

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

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147 views

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android - How to animate gradient?

How to animate gradient from color#1 to color#2? Something similar to I'm planning to use it as health-bar for ... green and ending with red) See Question&Answers more detail:os...

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

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236 views

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android - Confusion: How does SQLiteOpenHelper onUpgrade() behave? And together with import of an old database backup?

let's assume I have a database table test_table with 2 columns and a corresponding create script in the ... with import/export functionality? See Question&Answers more detail:os...

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

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259 views

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android - SQLite simultaneous reading and writing

I've read a lot of topics, but can't figure out answer for question: is it possible to read and write ... of wrapper on native sqlite functions? See Question&Answers more detail:os...

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

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178 views

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android - FragmentActivity cannot be resolved to a type

I'm trying the application from this blog. While extending the FragmentActivity, I'm getting the following error: ... </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 - Gesture detection and ScrollView issue

I'm trying to create a layout with a ViewFlipper containing ScrollViews. The idea is to detect horizontal ... </LinearLayout> </ScrollView> See Question&Answers more detail:os...

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

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174 views

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android - How to retrieve HTML content from WebView (as a string)

How do I retrieve all HTML content currently displayed in a WebView? I found WebView.loadData() but I ... Javascript interface in WebView). See Question&Answers more detail:os...

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

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486 views

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android - How to use selector to tint ImageView?

I want to tint my tabhost's icons using XML, instead of doing it programmatically (I wasn't able to do that ... within colors.xml, didn't work See Question&Answers more detail:os...

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

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301 views

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android - How to force an IntentService to stop immediately with a cancel button from an Activity?

I have an IntentService that is started from an Activity and I would like to be able to stop the service ... do this in an IntentService? See Question&Answers more detail:os...

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

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412 views

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android - Getting Header from Response (Retrofit / OkHttp Client)

I am using Retrofit with the OkHttp Client and Jackson for Json Serialization and want to get the header of ... the deserialized Json Object. 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 - Include Stetho only in the debug build variant

I know that I can use debugCompile to only pull in a dependency for the debug build. Is there a good, ... other variants will fail to compile. See Question&Answers more detail:os...

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

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994 views

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android - java.lang.RuntimeException: Failure delivering result ResultInfo{who=null, request=1888, result=0, data=null} to activity

My app allows the user to press a button, it opens the camera, they can take a photo and it will show up ... .java:2930) ... 11 more 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 - Delete file from internal storage

I'm trying to delete images stored in internal storage. I've come up with this so far: File dir = getFilesDir( ... 2930.jpg in DDMS in eclipse. See Question&Answers more detail:os...

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

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383 views

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android - Event for VideoView playback state or MediaController play/pause

I cant seem to find an event that listens for playback state. I am mostly interested in the play/pause ... pause/play button on MediaController See Question&Answers more detail:os...

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

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330 views

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android - How to create Expandable ListView in Flutter

How to make an Expandable ListView using Flutter like the screenshot below? I want to make a scrollable ... NEEDS-LAYOUT NEEDS-PAINT See Question&Answers more detail:os...

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

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255 views

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android - how to Customize the Contextual Action Bar using appCompat in material design

MainActivity.java I've implemented MultiChoiceModeListener in this class and below is the code: on listView: listView. ... which is in top. See Question&Answers more detail:os...

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

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162 views

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android - Create System Application

What I should to do to create a system app (to obtain rights to use android:sharedUserId="android.uid. ... rooted phone with stock firmware. See Question&Answers more detail:os...

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

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281 views

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android - Is there a way to reduce the spacing between the Action Item Icons on Action Bar?

I wanted to reduce the spacing bettween Action Item icons added to the ActionBar. Is there a way we can do 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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386 views

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android - Updating an ongoing notification quietly

I have a service which connects to other devices wirelessly. When the service is enabled, I have an ongoing ... ) behave the desired way. See Question&Answers more detail:os...

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

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