Recent questions tagged Android

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android - Maintaining checkbox states in listview with CursorAdapter

For my Android project, I have a listview which has a checkbox for every item. The data is loaded from an ... scroll the listview (See ). See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - What if I want to release an update with higher minSDK than the one on the market?

I have released an app on the market with minSDK set to 4 (Android 1.6) but now I want to release an ... they be able to download/install it? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - How do I apply a force to a body in the direction it is traveling (Box2D)?

I'm using AndEngine/Box2d to develop a game. I have a ball that bounces around the screen. I've successfully ... motion How might I do this? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - How to implement doubletap on imageview's onclick?

I have an imageview. I need to start animation with different speed on double tap and singletap. On doubletap ... on imageview's onclick? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - Broadcast receiver onReceive() never called

I get this issue in ICS, but not in previous versions: From App1, I am sending broadcast and trying to ... filter> </receiver> </application> See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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257 views

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android - Contact Custom Fields

Alright, I'm a little new to the Android SDK, so forgive me if my question doesn't make sense or is very ... you need anything else let me know! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - Is it possible to change resolution of exoplayer manually?

I'm working on a project that use Exoplayer2 for HLS video streaming. Adaptive streaming is working well in ... playing video manually. Thanks See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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189 views

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android - How to remove items from firebase RecyclerView

I'm currently working on Adding Friends with the help of firebase RecyclerView in which if a user tap on ADD button, ... (View.VISIBLE); } } } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - How wake up device and show an activity on top of lock screen for alarm?

I have an old android app with an alarm where the user can set a time and alarm behavior like ringtone ... highly customizable for his needs. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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327 views

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android - How to draw large sized text on a canvas?

I want to draw on canvas month's text vertical along screen height. Paint init: this.paint = new Paint(); this. ... . How can I fix this issue? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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340 views

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android - Get Latitude and Longitude without inserting Sim Card and Start/Stop Gps from Application

I am trying to fetch Gps latitude and longitude, but i am having a query that whenever i try to fetch Lat & ... beslocation, i can turn it off. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - setTestProviderLocation() does not trigger calling of onLocationChanged()

I'm trying to get this bit of code to work: Testing GPS in Android The problem is, when I run the test, ... CALLED"); // Never gets called } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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540 views

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android - How to pin a ParseObject with a ParseFile to the Parse Local Datastore in OFFLINE?

I am using the following code to store the ParseObject with a ParseFile. I have enabled Parse local datastore in ... when there is no internet? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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210 views

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android - Set custom title bar in PreferenceAcivity

I am using PreferenceActivity, how can I set a custom title bar? Not only text but background color, size - the whole layout. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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245 views

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android - Delete calendar entries

I wrote simple code for deleting all entries from android calendar,but it didn't delete nothing. Source code: public void ... , null, null); } } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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493 views

1 answer

android - Click ImageView within a ListView ListItem and get the position?

Currently, when the ListItem is clicked I grab its position and pass it to my StopsScheduleActiviy. I would like to ... to for clicks. Thanks! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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329 views

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android - Why FPS is not same as original camera app

I tested with original camera application (video mode) comes with Samsung Galaxy Tab 8.9. The saved front ... am I missing certain technique? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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219 views

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android - re-open background application via notification item

I got an app with tabs and a notification bar entry, when I send it to background (click on home button) ... click the notification entry? thx! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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279 views

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android - Accessing <declare-styleable> resources programmatically

Is it possible to receive the resource-ids being kept by a as an int[] programmatically without referring to the ... ().getIntArray( id ); See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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475 views

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android - Bluetooth connection without pairing

I was looking to find a method to connect two phones using bluetooth without having to first pair them. I ... /details?id=com.mobile.bluehood See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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305 views

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android - Retrieving xhdpi app icons from packageManager?

I have an activity in my app wherein a ListView of all installed apps is generated. In addition to the app ... that would be really helpful. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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443 views

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android - FileProvider and secondary external storage

How can I serve files from the SECONDARY external storage using the FileProvider? The current implementation of the ... external storage path... See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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240 views

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android how to stop gps

After launching listener by the following code is working fine. LocationManager locationManager =(LocationManager) ... stop gps ? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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300 views

1 answer

android - Adding a linear layout to Navigation drawer (ends up crashing with a ClassCastException)

I am trying to add a vertical linear layout (having a title, image, menu title, listview and an icon ... android.support.v4.widget.DrawerLayout> See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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254 views

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android - How to set a button's parameters programmatically

I'm trying to add a bunch of buttons to a layout like this: for( int i = 0; i < 10; i++ ) { Button ... how do I set the textSize to 32 dip? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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382 views

1 answer

android - How can I use coroutines with volley so that my code can be written like sychronous?

Here's an example from developer.android.com class MainActivity : AppCompatActivity() { lateinit var textView:TextView ... textView.text = data See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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350 views

1 answer

android - How to change TextView's text on change of EditText's text?

I have an EditText box where the user can enter input. I need to display the input text in a TextView (which ... achieve this? Please guide me. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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585 views

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android - how to turn off doze mode for specific apps in marshmallow devices programmatically

Marshmallow APIs are very different from previous android OS. When screen is off, devices are in doze mode and ... to prevent from doze mode. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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