Recent questions tagged Android

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android - How to iterate through all keys of shared preferences?

SharedPreferences have method getAll, but it returns no entries despite the fact some keys exist: PreferenceManager ... all shared preferences? 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 / enable dialog negative positive buttons?

Please look at the custom dialog below. I have an edittext field on the dialog and if the text field is empty I would ... */ } }) .create(); } 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 - Assign width to half available screen width declaratively

Is it possible to assign a widget width to half the available screen width, and do it using declarative xml? 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 tell if a closed path contains a given point?

In Android, I have a Path object which I happen to know defines a closed path, and I need to figure ... that means different research I guess. 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 Maps API Version difference

I'm trying to show route between two places, I want to used Google Places API V3 for route steps between two ... API v3. 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 - Prevent USSD dialog and read USSD response?

i did many research about ussd but I can't read USSD respone and how can I prevent ussd dialog like ... Terminated ALSA PLAYBACK device hifi 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 - Is Dalvik's memory model the same as Java's?

Is Dalvik's memory model the same as Java's? I am particularly interested in whether reads and writes of ... the two platforms' memory models. See Question&Answers more detail:os...

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

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439 views

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android - Dynamically updating an AutoCompleteTextView adapter

I want to periodically change the suggestions given by an AutoCompleteTextview by getting the list from a RESTful web ... Array of strings.) See Question&Answers more detail:os...

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

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322 views

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android - ActionBar background image

I've inherited the Holo Light Theme and customized the background of the ActionBar with the following: Content ... applied? 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 - One OnClickHandler for multiple Buttons

I find myself doing things like this all the time: Button button1 = (Button) findViewById(R.id.button1); ... way to set the OnClickListener? See Question&Answers more detail:os...

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

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372 views

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android - Update TextView Every Second

I've looked around and nothing seems to be working from what I've tried so far... @Override protected void ... would be great 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 - setExactAndAllowWhileIdle - is not exact as of developer reference

AlarmManager on API19 has the method setExact() to set an exact alarm. Exact means --> If I set an ... int, long, android.app.PendingIntent) See Question&Answers more detail:os...

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

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295 views

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android - Automatic popping up keyboard on start Activity

I got a relative simple question. I have an activity with a lot of EditText's in them. When I open the ... keyboard. How can I prevent 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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228 views

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android - Logcat not displaying my log calls

I'm a total noob at Android programming, and wanted to learn how to debug my apps. I can't seem to have my ... (LOG_TAG, "CREATING NOW"); } } 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 - How to change ViewPager's page?

I'm using ViewPager in my app and define it in the main Activity. Inside onCreate method I load some number of ... there any way to do 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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182 views

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android - Contextual Actionbar styles

I'm looking for style information on the Contextual Action bar (CAB). I just need to change the colour of ... point me in the right direction? See Question&Answers more detail:os...

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

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715 views

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android - MediaStore - Uri to query all types of files (media and non-media)

In the class MediaStore.Files class, its mentioned that, Media provider table containing an index of all files in ... didn't work out either. 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 - Insertion of thousands of contact entries using applyBatch is slow

I'm developing an application where I need to insert lots of Contact entries. At the current time approx 600 ... keys in the data table? See Question&Answers more detail:os...

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

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321 views

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android - How to generate 11 char hash key for Sms Retriever with Google App signing

I had generated the 11 char hash using the AppSignatureHelper class. But after uploading the apk to play store, ... .jks and it 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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475 views

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android - Fragment pressing back button

I am now having an activity containing fragments [1] , [2] , [3] , [4] If pressing buttons , [3] ... return super.onKeyDown(keyCode, 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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434 views

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android - How to distinguish between move and click in onTouchEvent()?

In my application, I need to handle both move and click events. A click is a sequence of one ACTION_DOWN action ... and differ it from move? See Question&Answers more detail:os...

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

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254 views

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android - App not setup: This app is still in development mode

I have followed the instructions here: The developers of this app have not set up this app properly for Facebook ... on both iOS and 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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445 views

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android - Difference between a clickable ImageView and ImageButton

I'm just wondering if there is any significant difference between an ImageView that's set to be ... clickable ImageView over ImageButton? See Question&Answers more detail:os...

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

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402 views

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android - Adjust layout when soft keyboard is on

I've seen in some applications the layout shifts when soft keyboard is shown. This is certainly not adjustPan ... you advice how this made? See Question&Answers more detail:os...

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

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429 views

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android - broadcast receiver won't receive camera event

I'm trying to make an app that detects when a user takes a photo. I set up a broadcast receiver class and ... any thing that I need to add? See Question&Answers more detail:os...

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

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403 views

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android - Filtering accelerometer data noise

How do I filter noise of the accelerometer data in Android? I would like to create a high-pass filter for ... be much appreciated. 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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323 views

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android - How to change Toolbar Navigation and Overflow Menu icons (appcompat v7)?

I am having a hard time with v7 Toolbar. What was once a simple task for ActionBar, now seems overly complex. No ... is open (Android 5.0). See Question&Answers more detail:os...

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

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169 views

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android - Passing function as a parameter in java

I'm getting familiar with Android framework and Java and wanted to create a general "NetworkHelper" class which ... explanation :) 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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