Recent questions tagged Android

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android - How to make my ImageView zoomable?

Can anyone help on how to use the matrix scaletype to zoom an imageview and also how to use the translate method so ... is not nice to look at. See Question&Answers more detail:os...

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

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247 views

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android - streaming .m3u audio

I want play streaming radio( .m3u format ), but i do not know how do it. This example how i try playing: ... code does not work. help please. See Question&Answers more detail:os...

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

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198 views

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android - Problems saving a photo to a file

Man, I am still not able to save a picture when I send an intent asking for a photo to be taken. Here's ... to get more info about the problem? 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 - ProgressDialog: change text size

I create a ProgressDialog from java code: mProgressDialog = ProgressDialog.show(this, ..., ... , true); I want to ... color how can I do 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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380 views

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android get position of clicked item in gridview

as we know using android grid view, we can do the following and get notified when item is clicked: gridview. ... in the button handler? 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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288 views

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android - Possible to use VpnService implementation to capture and send packets?

I'm considering the possibility of using the new android (4.0) VpnService interface to implement simple packet ... the network device(s)? See Question&Answers more detail:os...

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

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337 views

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android - Read ID3 Tags of an MP3 file

I am trying to read ID3 from a mp3 file thats locally stored in the SD card. I want to basically fetch Title Artist Album Track Length Album Art See Question&Answers more detail:os...

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

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164 views

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android - How to get the correct number of bytes sent and received in TrafficStats?

My app is trying to count the number of bytes send and received over WiFi/LAN and mobile data connections. To ... the bytes sent and received? See Question&Answers more detail:os...

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

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466 views

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android - Expandable listview inside scrollview

I have few contents follwed by Expandable listview.I am not able to scroll the entire layout. I have been ... a week..Suggest some answers. 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 ndk UnsatisfiedLinkError when using a prebuilt shared library

I'm trying to create a shared library that links to another shared library. Here is my main module Android.mk: ... can. Thanks in advance, Ita See Question&Answers more detail:os...

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

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371 views

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android - What is the working of setTag and getTag in ViewHolder pattern?

I have a simple code snippet for implementing custom listview. My code is as follows: WeatherAdapter.java : public ... and getTag do "here"? See Question&Answers more detail:os...

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

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295 views

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android - how to use the LightingColorFilter to make the image form dark to light

I want to add light of the image, I want to use LightingColorFilter LightingColorFilter lcf = new LightingColorFilter( ... the image? Thank you See Question&Answers more detail:os...

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

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680 views

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android studio - Emulator: audio: Failed to create voice `adc'

[ while opening AVD Manager getting Emulator: qemu-system-i386.exe: warning: opening audio input failed Emulator: audio ... to remove error ? ]1 See Question&Answers more detail:os...

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

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342 views

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android - Converting camera YUV-data to ARGB with renderscript

My Problem is: I've set up a camera in Android and receive the preview data by using an onPreviewFrame-listener which ... ) & 0xff); } } } See Question&Answers more detail:os...

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

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446 views

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android - How to Generate A Particular Sound Frequency?

I am developing an Android Application.I want to generate Sound of Frequency Ranges between 1KHz to 20KHz. is ... at a specific Frequency. See Question&Answers more detail:os...

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

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330 views

1 answer

android statistic 3g traffic for each APP, how?

For statistic network traffic per APP, what I'm using now is Android TrafficStats That I can get result like ... non-WiFi traffic statistic ? See Question&Answers more detail:os...

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

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376 views

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android retrofit download progress

I'm new to retrofit. I've searched but didn't found a simple answer. I want to know how can I show ... please guide me if you can. 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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477 views

1 answer

android - RecyclerView : get position and switch to activity

How is it possible to get the position of the item which was clicked in the RecyclerView row and than make a ... image has the same intent. See Question&Answers more detail:os...

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

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429 views

1 answer

android - Animate ImageView between two activities using shared element transitions with ChangeImageTransform

I am trying to animate one ImageView to another position between two activities in Android API level 21. Since ... any working example? 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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486 views

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android - Set ListView item height

this should be a very easy thing to do, but it looks like it's very tricky. In my code I have this ... t the item 55dp high? Thanks everybody See Question&Answers more detail:os...

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

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285 views

1 answer

android - Get screen size bucket programmatically?

I want to determine whether the current device has a small, medium, large or xlarge screen in code. I can't find ... I'm running on in code? See Question&Answers more detail:os...

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

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317 views

1 answer

android - detect if views are overlapping

I have problem with drawing views on another size screens! I need method which has two parameters of View type. ... false in another case! and See Question&Answers more detail:os...

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

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303 views

1 answer

android - ActionBarSherlock - Tabs appearing ABOVE actionbar with custom view

I Am trying to create an actionbar without the app logo/text, and with a centralised picture, and i know it is ... ): What am i doing wrong? 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

1 answer

android - How to check which StorageVolume we have access to, and which we don't?

Background Google (sadly) plans to ruin storage permission so that apps won't be able to access the file system ... and see what's inside? See Question&Answers more detail:os...

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

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462 views

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android - Use SharedPreferences on multi-process mode

I've defined an instance of SharedPreferences that used on multi-process mode. public class Prefs { private static ... my problem using by IPC. See Question&Answers more detail:os...

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

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356 views

1 answer

android - API 26+: WRITE_EXTERNAL_STORAGE permission is always denied

I have switched my app to target API 27 and now it can't be granted WRITE_EXTERNAL_STORAGE permission -- grantResult is ... , but I'm not sure. See Question&Answers more detail:os...

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

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335 views

1 answer

android - Why does setCharacteristicNotification() not actually enable notifications?

The BluetoothLeGatt Android BLE example contains the following code: public void setCharacteristicNotification( ... cccd-mean See Question&Answers more detail:os...

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

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287 views

1 answer

android - Catching OutOfMemoryError in decoding Bitmap

Is it a good practice to catch OutOfMemoryError even you have tried some ways to reduce memory usage? Or ... e.printStackTrace(); } 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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