Recent questions tagged Android

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android - play-services-ads conflicts with appcompat

When I add implementation 'com.google.android.gms:play-services-ads:18.2.0' to my build.gradle, Android Studio ... espresso-core:3.0.2' } 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 - App crash after activity has been killed in background

i have an issue with an app that use ViewPager for display fragment. All works fine until the app goes in ... onBackPressed(). What i miss ? 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 - i want show notification at 8:00 am everyday

I'm trying to send a notification to a user at a specific time at (8:00 am everyday) using an Alarm ... stop job"); return START_STICKY; } 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 pass image data from one activity to another activity?

I am using two activities. One activity displays images in a GridView and by clicking on a particular image in that GridView ... (i, 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 - How to bring a background task to the front below honeycomb?

in my applications root activity, I have a customized tab bar, containing three tabs to switch between three screens ... ? Many thanks, Sven See Question&Answers more detail:os...

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

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560 views

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android - JSONArray cannot be converted to JSONObject error

While fetching json data I am getting error: JSONArray cannot be converted to JSONObject Code for json generate: ... wrong with 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 - TextInputLayout Hint doesn't float up after updating Google Support Library

I recently updated my support library to com.android.support:appcompat-v7:25.1.0 after which if I add a text ... is floating up. Please guide. 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 - ExpandableListView with ViewPager combination as its child

UPDATE - Added experimentation result Is it possible to implement an ExpandableListView to have a viewpager child? I ... with each item inside 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 - INSUFFICENT_STORAGE_MEMORY message while install 50 mb apk in emulator

when I am install 50 mb apk in my emulator with command line, I got error like :: So what thing i have to ... i have got another error like :: 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 - Why did the ListView repeated every 6th item?

I have a ListView that is filled by a Custom Adapter with a specific Layout. The Adapter is mapped to a ... ="#FFFFFF" /> </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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494 views

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android - MaterialDatePicker get selected dates

I'm calling a MaterialDatePicker like this in Android: MaterialDatePicker.Builder<Pair<Long, Long>> builder ... onDateSet or OnDateSetListener 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 parse JSON array without any object in Retrofit?

I am working with Retrofit and GSON. I have a JSON response as a JSON array but I don't know how to parse it by ... , "Six", "Seven", "Eight" ] See Question&Answers more detail:os...

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

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388 views

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android - addOnCompleteListener not called offline with cloud firestore

I have been writing an app using the new cloud firestore database. It works great except the fact that ... android studio emulator. 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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283 views

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android - Not enough space to show ad (AdMob)

I am trying to show AdMob ads in my activity, but it is always giving error that "not enough space to show ad". My ... 320, 50>, Has: <288, 430> 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 resolve the error "No resource found that matches the given name" when adding library v7 AppCompat in Eclipse?

I have a project target to API Level 10 and i want to implement the new ActionBar support library. After ... secrets of the Android development. See Question&Answers more detail:os...

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

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248 views

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android - Set Text to Integer Value

I want to set a TextView as the value of an integer, hopefully like so: tv.setText(int) I tried ... widget.TextView.setText(TextView.java:4427) 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 - Firebase - random query

I am making and application that show a first screen with a bunch of randomly picked data from a node in ... all snapshots are of same model See Question&Answers more detail:os...

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

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347 views

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android - how to zoom + crop a image and display the croped image on imageview

I am making android app in which I have a scenario that I pick an image from gallery, crop it and show it on ... out.println("alert"); } } } 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 store hashmap so that it can be retained it value after a device reboot?

I want to store the hashmap object in global class so that it will store value even after the mobile restart. ... how to go about this concept. See Question&Answers more detail:os...

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

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389 views

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android - SQLiteDatabase close() function causing NullPointerException when multiple threads

I discovered in my project that the close() function in the SQLiteDatabase implementation on Android throws a ... are very much appreciated. See Question&Answers more detail:os...

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

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234 views

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android - twitter4j => AndroidRuntime(446): java.lang.NoClassDefFoundError: twitter4j.http.AccessToken

I am trying to use twitter4j for my app to connect and post to twitter. I am following this tutorial. I ... how can I correct these problems. See Question&Answers more detail:os...

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

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419 views

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android - OnItemClickListener and OnClickListener not working for ListView

I have used a Custom ListView and I am displaying some data using the same ListView. When I click on the ... in resolving this is appreciated. See Question&Answers more detail:os...

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

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450 views

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android - How to clear the volley cache automatically?

I want to clear the request queue each 30 minutes for example. So What is the best way to clear volley cache ... the cache every times i need? See Question&Answers more detail:os...

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

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247 views

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android - No cached version of gradle

I am getting this error when syncing gradle. I am pretty new to gradle so can't figure out what is the ... off and using default gradle wrapper. See Question&Answers more detail:os...

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

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611 views

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android - onBackPressed to hide Not destroy activity

i know how to cancel back keypress, so that the activity / main window stays visible: public void onBackPressed() ... () ? any help appreciated! See Question&Answers more detail:os...

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

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347 views

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android - Deep linking not working in chrome

I am trying to do deep linking such that when someone opens a link from mobile browser, it either opens the app, if ... how do I make it 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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465 views

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android - How to create datePicker and timePicker dialogs in fragment class?

I want to know is there a way to create a datePicker in a fragment? I am creating one the regular activity may ... the correct way to 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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285 views

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android - query the google play store for the version of an app?

is there a way to query the play store for the version of an app without the need for user-credentials. I ... want to fallback on scraping ;-) See Question&Answers more detail:os...

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

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