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android - Select multiple files with Intent.ACTION_GET_CONTENT
    I'm trying to select multiple files with an Intent, but it seems like I'm missing on something. I create an ... 't choose more than 1 file) 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 - onClickListener on a LinearLayout
    Got a little problem with a functionality I'd like to implement. I've got a LinearLayout, containing 2 TextViews. I' ... right now, I'm at 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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android - How to retain EditText data on orientation change?
    I have a Login screen which consists of 2 EditTexts for Username and Password. My requirement is that on ... help. Thanx 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 - How to show divider between spinner items?
    I using listviews and expandedviews that has dividers and I can set them but on spinner its looks like it is no ... idea of how to fix 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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android - FCM default icon uses invalid gradient
    The default FCM icon of the Android manifest is not used. Instead the Android standart icon is used. In the ... Android standart icon is used. 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 - KeyCode_Enter to next edittext
    In edittext, after typing 'Enter' key, system make a new line inside it. I'd like to focus on next edittext, no new ... ); } return false; } }); 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 - Exception when calling setDataSource(FileDescriptor) method (failed.: status=0x80000000)
    I'm developing a video streaming application and I'm getting stuck when calling set setDataSource with a ... would be very 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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android - Must every activity have a layout?
    I'm just getting started with Android and was reading up BroadcastReceiver. Since the MainActivity was being used only ... sets up a receiver? 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 Nexus 6 density is 560 dpi?
    How to prepare resources for Nexus 6? If I put images to xxxhdpi they will scale down and lose quality. I ... . xxhdpi ~480dpi xxxhdpi ~640dpi 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 do I set a different color for the pressed state of the button?
    I have some Buttons on my android app. They have an icon and text. I can set the background color of a Button in ... (Color.rgb(27,161,226)); } 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 - java.net.ConnectException: failed to connect to /192.168.253.3 (port 2468): connect failed: ECONNREFUSED (Connection refused)
    I want to transfer some data between PC and a mobile phone with WiFi. This is how I get the WiFi IP address: ... a android phone to run the 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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android - Why has the READ_PHONE_STATE permission been added?
    In the latest beta version I just published to the Play Store, I notice that the READ_PHONE_STATE has been added since ... been fixed in 9.6.1. 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 onRestoreInstanceState() never gets called
    I am trying to save data in my activity and than restore it. I save data in on onSaveInstanceState() and then ... (). Does anyone know why? 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 - Difference between debug and release apks
    I am new to android as well as android studio. From my experience in visual studio, when we test the .exe in ... may makes it slow or bulky? 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 - Fail to find annotations.jar after updating to ADT 23
    So, seeing that the new Android L is out, I said I should give it a try. I installed the new ADT update from ... Any ideas on how to fix 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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android - How do you detect when a sound file has finished?
    I am playing a sound file using this code inside a broadcast receiver activity: notification.sound = Uri.parse( ... of manager.isMusicActive()? 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 - How to catch a "Done" key press from the soft keyboard
    how do I catch specific key events from the soft keyboard? specifically I'm interested in the "Done" key. See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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335 views
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android - Navigation Architecture Component- Passing argument data to the startDestination
    I have an activity A that start activity B passing to it some intent data. Activity B host a navigation graph ... as argument how to do that? 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 get a fragment added in an XML layout
    I have a layout which includes a fragment as follows: <fragment android:id="@+id/mainImagesList" android:name=" ... the changes don't appear ! 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 use RotateAnimation to rotate a circle?
    I want my circle image (ImageView) to rotate as the user touch and drag it. If the user drags it to the ... i'm getting nowhere. Any ideas? See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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255 views
1 answer
android - Spritesheet programmatically cutting: best practices
    I have a big spritesheet (3808x1632) composed by 42 frames. I would present an animation with these frames ... is not correctly managed. 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 add id to public.xml?
    In my project, I needed to set always-constant IDs to Views. I mean IDs that are constant between different app ... of a View in public.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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251 views
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android - Read content from APK expansion file (from obb file)
    I have implemented APK expansion file download service and all from http://developer.android.com/google/play ... ): mCompressedLength : 21657598 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 run a shell command from within code
    I am trying to execute a command from within my code, the command is "echo 125 > /sys/devices/platform/ ... know any workaround for 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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179 views
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android - how to make multiplelistview in Scrollview?
    in my code there is four listview how do i make screen scrollable to show all data of all listview? not ... /> </LinearLayout> </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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151 views
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android - SlidingUpPanelLayout and ScrollView
    I have a SlidingUpPanelLayout that holds a image as a top view, and a view pager that needs to slide. The ... and the panel can't collapse. See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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272 views
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android - Youtube API Key
    When I try to use YouTube API for Search, I get this error: There was a service error: 403 : The ... -1 number obtained with keytool command. See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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239 views
1 answer
android - Show my Layout while SurfaceView is loading Camera Preview
    I have a simple screen with a start button. When the Start button is pressed, I want to go to a new Screen ... , but the Camera never 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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