Recent questions tagged Android

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android - How to change option menu icon in the action bar?

How to change the index icon of option menu? I mean icon (3). Here is my code: @Override public ... android:title="@string/option_about" /> See Question&Answers more detail:os...

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

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362 views

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android - Easier way to get view's Id (string) by its Id (int)

I'm new with android and java, so sorry if it's a too basic question but I've tried to find a solution in ... to get this ID? 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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435 views

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android - Getting the current position of a ViewPager

I know with the Gallery widget I was able to use getSelectedItemPosition(); to retrieve the current position, ... the current view position. See Question&Answers more detail:os...

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

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701 views

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android - How to disable "Next" button on a EditText software keyboard (replace with "Done" button)

I have a bunch of EditTexts in my Android application, each with InputMethod set to numberSigned. My target device ... I use "Done" instead? 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 - BitmapDrawable deprecated alternative

I have the following code that will rotate a drawable by a set amount of degrees. public Drawable ... /graphics/drawable/BitmapDrawable.html See Question&Answers more detail:os...

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

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755 views

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android - Package signatures do not match the previously installed version

This my project: https://github.com/kenpeter/my_hak_news, which is a direct copy of https://github.com/grigio/ ... able to resolve this issue. 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 do I make a LinearLayout scrollable?

After I start the activity I am unable to scroll down to see other buttons and options in the xml defined below. ... (R.layout.main); } } See Question&Answers more detail:os...

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

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313 views

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android - BitmapFactory.decodeStream out of memory despite using reduced sample size

I have read many related posts concerning memory allocation problems with decoding bitmaps, but am still unable to ... still getting the error. See Question&Answers more detail:os...

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

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431 views

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android - How to take pictures from the camera without preview when my app starts?

Now all I want is an app that just takes the picture from the camera upon launching. No layout, no camera ... picture as well. Any clue? See Question&Answers more detail:os...

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

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367 views

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android - Custom Single choice ListView

I want to make a custom List View having Two TextViews and a radio Button in a single row. And on listitem ... to make custom adapter for 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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369 views

1 answer

android - LinearLayout height in onCreate is 0

I'm trying to dynamically adjust the height of my rows depending on the (screen height - my layout height) / list. ... method I can call it in? 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 - Crop square image to circle - Programmatically

i was searching for past one day and i was not successful . i get the image from API , and i download it ... are welcomed . 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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242 views

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android - How do task killers work?

The usefullness of task killer apps is debated, but I'm wondering: how do they actually work? How is it possible ... you don't own in Android? See Question&Answers more detail:os...

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

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487 views

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android - ImageView adjustViewBounds not working

I have an ImageView with android:layout_width=100dp, android:layout_height=wrap_content and android:adjustViewBounds=true ... > </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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258 views

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android - How to get results from an IntentService back into an Activity?

I am using an IntentService to handle network communications with a server via JSON. The JSON/server part is ... this code? Many 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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466 views

1 answer

android - ViewPager with fragments - onPause(), onResume()?

When using ViewPager with fragments, our onPause, onResume methods are not called when moving between tabs. Is there ... exits the whole app. See Question&Answers more detail:os...

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

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278 views

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android - Remove all items from RecyclerView

I am trying to remove all the elements from my RecyclerView in my onRestart method so the items don't get loaded ... I am not sure how. TIA See Question&Answers more detail:os...

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

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355 views

1 answer

android - Inconsistency detected in RecyclerView, How to change contents of RecyclerView while scrolling

I'm using RecyclerView to display name of the items. My row contains single TextView. Item names are stored in List< ... ; mTextView = tv; } } See Question&Answers more detail:os...

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

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376 views

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android - Build flavors for different version of same class

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

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436 views

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android - Service Intent must be explicit: Intent

I have an app some time now in which I call a service through a broadcast receiver (MyStartupIntentReceiver). ... the service wouldn't start. See Question&Answers more detail:os...

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

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483 views

1 answer

android - when using AlertDialog.Builder with EditText, the Soft Keyboard doesn't pop

I am using AlertDialog.Builder in order to create an input box, with EditText as the input method. Unfortunately, ... Anyone can 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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288 views

1 answer

android - uninstall app silently with system privileges

My app have system privileges. It will be inside firmware, now it's located at /system/app I was able to ... don't have such class). 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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406 views

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android - Detecting the scrolling direction in the adapter (up/down)

I am trying to mimic the Google Plus application in my project, as it seems to be the reference now. The ... upwards or downwards in my adapter? See Question&Answers more detail:os...

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

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277 views

1 answer

android - Items inside GridView getting repeated when screen scrolls

I'm using a GridView to show a set of Categories that user can chose. Each item of the grid is consisted by ... Any ideas of what's happening? See Question&Answers more detail:os...

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

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413 views

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android - How to snap RecyclerView items so that every X items would be considered like a single unit to snap to?

Background It's possible to snap a RecyclerView to its center using : LinearSnapHelper().attachToRecyclerView( ... if (velocityY != 0) layoutDirectionHelper!!.getPositionsToMo...

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

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533 views

1 answer

android - ViewPager update fragment on swipe

i have a problem that i have been struggling with for the past 2 days. I am building an app that uses ... you very much 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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349 views

1 answer

android - When to use FragmentManager::putFragment and getFragment

I've got an application that uses fragments and I was playing around with how to use the same fragment ... the Bundle parameter explanation. See Question&Answers more detail:os...

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

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320 views

1 answer

android - Retain the Fragment object while rotating

I have developed an app in Honeycomb and I am using fragments. This is my app I have an Activity (Say ... ); fragmentTransaction.commit(); } See Question&Answers more detail:os...

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

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