Recent questions tagged Android

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android - How to change a TextView's text by pressing a Button

I want to change the of a TextView by pressing a Button, but don't understand how to do it properly. This is ... I put inside onClick() method? See Question&Answers more detail:os...

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

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351 views

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android - AlarmManager setExact with WakefulBroadcastReceiver sometimes not exact

Using Android 19+ setExact in conjuction with WakefulBroadcastReceiver sometimes does not fire on time (can be a few seconds ... intent) { .... See Question&Answers more detail:os...

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

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280 views

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android - GridLayout(not GridView) - Spaces between the cells

I am using GridLayout(support) for displaying ImageViews in my application. There are 3 columns and 5 rows. The ... Refer to the image below. See Question&Answers more detail:os...

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

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331 views

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android - Not able to update sqlite_sequence table using RoomDatabase.query

We try to update sqlite_sequence with the following code. WeNoteRoomDatabase weNoteRoomDatabase = WeNoteRoomDatabase.instance( ... android room See Question&Answers more detail:os...

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

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128 views

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android - Custom selector for list background

I am trying to set some custom selector states to every item in my listview. I have tried the following" ... 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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467 views

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android security - Your app contains an Intent Redirection vulnerability

I launched a game to the Google Play store recently and it was going good until now. I just received ... will receive notification via email." See Question&Answers more detail:os...

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

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395 views

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android - onActivityResult not call in the Fragment

The structure of the app is like this: tabHost (in Activity) -> contains -> TabFragment(extend base container ... UploadType? Thanks for 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 - How to create a Notification status bar icon on the right side?

Ok I saw a lot of people just dismiss this question by saying "it's reserved for OS component " "it ... the Android source of the tablet. See Question&Answers more detail:os...

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

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196 views

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android - How to set multiple click event for the single textview?

I have a textview as like the following: txtByRegistering.setText("By Registering you agree to terms and condition and ... go to new Activity. 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 - Load image from SD card using Glide

I've been trying and searching for an answer for the past 5 hours. I'm storing image from google plus to ... is present in the given location. See Question&Answers more detail:os...

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

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129 views

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android - How to detect a click on a polyline

If there is a polyline on googlemap and a click is performed on the map, then how can I check whether that ... OnMapLongClickListener() { } }); 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 - Map API v2 Authorisation Failure

Alright, here is what I did using the example Got the debug key via keytool (made sure it is the the debug key ... . No clue what I missed here. See Question&Answers more detail:os...

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

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244 views

1 answer

android - How to get a contact's facebook id or url from native contacts / content resolver?

How to get the facebook id or url of a contacts that's been synced to the native contacts app via Facebook sync ... url or id of this contact. See Question&Answers more detail:os...

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

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144 views

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android - Custom view in xml layout

I've created my own view by creating a subclass of the SurfaceView class. However I can't figure out how to add ... to use it from the 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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439 views

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android - Set layout_column and layout_row in GridLayout programmatically

I have a GridLayout (not GridView) where I want to add some views with a special row and column inex. In ... .addView(new Button(getActivity()); See Question&Answers more detail:os...

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

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336 views

1 answer

android - Prevent activity from being destroyed as long as possible

I have an app, a single activity app with fragments in it. The usual use case for this app is, that you start ... .. If android kills my 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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325 views

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android 5.0 lollipop - Color of animated ActionBarDrawerToggle in ActionBar

How can i change the color of animated ActionBarDrawerToggle icons in ActionBar, using AppCompat-v7 (v21)? I tried ... it and now all works. See Question&Answers more detail:os...

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

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293 views

1 answer

android - Button is not clickable after TranslateAnimation

I'm trying to move button (with animation) upon click. I want it to move 100 pixels to the bottom on first ... 't changed from click to click. See Question&Answers more detail:os...

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

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141 views

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android - How to vary between child and parent view group touch events

I decided to post this question and answer in response to this comment to this question: How to handle ... override those of other children? See Question&Answers more detail:os...

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

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189 views

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android - Determine device public ip

Does anyone know how I could get the public ip address of an android device? I am trying to run a server ... the actual public IP instead. 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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207 views

1 answer

android - Room Persistence lib implementation in Kotlin

I am implementing Room persistence lib in kotlin for my database implementation. Following are my Entity, Dao and ... come across 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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153 views

1 answer

android - How to convert a file to Base64?

Here the report contain the path(pathname in sdcard in string format) File dir = Environment.getExternalStorageDirectory ... for the type Base64 See Question&Answers more detail:os...

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

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358 views

1 answer

android - How to add app's shortcut to the home screen

I know it's not documented and won't work on every device, but I see more and more apps placing their ... ) shortcut every time app starts. See Question&Answers more detail:os...

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

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387 views

1 answer

android - Why Images.Media.insertImage return null

I have some code where I run the method MediaStore.Images.Media.insertImage (inserting it from a source not a ... could be another reason too. See Question&Answers more detail:os...

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

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314 views

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android - NoClassDefFoundError: Failed resolution of: Landroid/support/v7/appcompat/R$styleable

Newbie trying to finish the My first App tutorial provided by Google. On the way to this fatal exception I did ... and/or a dupe. 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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126 views

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android - Java: Exception itself is null

I am pretty confused. Is it an Android problem or a problem with Java itself? When I was debugging an ... such unitialized exceptions be thrown? See Question&Answers more detail:os...

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

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155 views

1 answer

android - how to drop database in sqlite?

I'm using SQLite in android. I want to drop the database. For example: mysql- drop database dbname How do I implement this code in SQLite? See Question&Answers more detail:os...

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

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226 views

1 answer

android - Google Play Store Release Issue

I am trying to release a new version of my Android App. I can upload the APK file but after I click the ... this issue. Thanks 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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