Recent questions tagged Android

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android - Kotlin View setEnabled function missing?

In Kotlin, when using kotlinx.android.synthetic to access the View (e.g. Button), the setEnabled() function is ... . How could I setEnabled()? 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 - Saving files on external storage on Nexus 7 and retrieving from PC

For my project I want to be able to save sensor data to a file, and be able to access it from a PC ... to the downloads folder its not there. 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 resolve javax.xml.bind.JAXBContext in Eclipse?

In my Android app I use: import javax.xml.bind.JAXBContext; But I get: The import javax.xml.bind cannot ... .JAXBPlugin in my plugins list. 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 - Retrofit(2.0 beta2) Multipart file upload doesn't work

I am using Square Retrofit version 2.0 beta2. I have tried to follow this tutorial .I am trying to upload a ... not able to make any progress. See Question&Answers more detail:os...

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

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251 views

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android - Onclicklistner not working in fragment listview

I have a listview with custom adapter in listfragment and also set onclicklistner for listview. But Onclicklistner ... " /></RelativeLayout> See Question&Answers more detail:os...

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

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393 views

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android - ImageView without xml definition

I want to create a dynamic number of ImageViews in Android. But to display these ImageViews I have to create them ... them in the main.xml? See Question&Answers more detail:os...

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

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411 views

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android - RecyclerView onScrolled method of addOnScrollListener not called except only once

Background: I am implementing pagination logic with RecyclerView by adding addOnScrollListener function. Problem faced ... ArrayAdapter/issues/4 See Question&Answers more detail:os...

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

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389 views

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android - Google Play Games, Firebase and the new Google Sign-in

My game is using Google Play Games and Firebase (for Rankings System, because unfortunately one cannot reduce the ... would be a solution? See Question&Answers more detail:os...

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

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427 views

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android - Why does my app has the READ_PHONE_STATE permission although it's not declared in manifest?

I noticed the READ_PHONE_STATE permission when I uploaded the apk to google play. I have not added it and it is not ... /> Here's the apk file See Question&Answers more detail:os...

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

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255 views

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android checkable listview

I am quite new in developing android applications. I have created my own list adapter as show below and I want that list ... i11; //} } } } See Question&Answers more detail:os...

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

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213 views

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android - Removing rounded edges of a customized Seekbar?

I'm trying to customize a seekbar. I have this mostly working, but I am not able to remove the rounded ... " android:thumb="@drawable/cover" See Question&Answers more detail:os...

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

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234 views

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android - InflateException with TextInputLayout and AlertDialog

I am trying to use the newest TextInputLayout in my DialogFragment. Here's my code: <android.support.design. ... VM Any tip is appreciated. See Question&Answers more detail:os...

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

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302 views

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android - GCM send image instead of message

I'm an Android newbie, and I'm using Google GCM to send a plain text message. Is it possible to send an ... .addData("TEST","Hello Android"). 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 - How to set corner radiuses for the button in java code?

I want to set the rounded corners without xml. How can I do it in java code? Button b = new Button ( ... is undefined for button object. 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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409 views

1 answer

android - Animate ImageView width without scaling

I'm trying to animate an ImageView so it's slowly shown from left to right. When I asked this before ... to fit inside the FrameLayout. See Question&Answers more detail:os...

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

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282 views

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android - Null pointer Exception on file- URI?

In my app a capture button is there to capture an image using device camera,so I have used a method ... .ZygoteInit.main(ZygoteInit.java:696) 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

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android - Trying to catch the Volume onKeyLongPress() not working

I'm trying to get my app to react to a long key press on volume down with the following code: public boolean ... point out what I'm missing? See Question&Answers more detail:os...

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

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494 views

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android - SurfaceHolder.lockCanvas() Returning null

I'm making a game, and since I'm new to Android, I based the design off of the example LunarLander code. ... case where the surface is created? See Question&Answers more detail:os...

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

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420 views

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android - Preferences without deprecated methods

I'm trying to (correctly) implement a preferences screen, but the problem is that all the methods used to ... for Android version 2.1 See Question&Answers more detail:os...

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

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286 views

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android - Instant app won't start directly, shows a screen first

I have successfully published a (very simple) Instant App linked to my personal website. When I click on my ... directly (the desired behavior). See Question&Answers more detail:os...

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

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266 views

1 answer

android - Create an emulator with a decent size from command line

I want to create an ARM API 21 emulator loaded with Google APIs. Here's how I create the AVD: ANDROID_ABI=google_apis ... my machine (Mac OS X). See Question&Answers more detail:os...

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

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366 views

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android task kill

I want to kill all tasks that run in android like task killer... What I have done until now is: ActivityManager ... help me please? 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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281 views

1 answer

android - Creating Folder in Internal memory

I am unable to get the methods for creating folder in Internal Memory, i gone through few conversations in ... advance for valuable feedbacks. See Question&Answers more detail:os...

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

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812 views

1 answer

android - Bad base-64 error

I'm getting a "java.lang.IllegalArgumentException: bad base-64" on the following code: byte[] msgBytes = ... there anything wrong? 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 - Does FirebaseMessagingService run in the background by default?

Does the FirebaseMessagingService run in the background similar to how an IntentService operates? I see that ... should be synchronously. See Question&Answers more detail:os...

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

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309 views

1 answer

android - Is setContentIntent(PendingIntent) required in NotificationCompat.Builder?

Calling : public static void triggerTestNotification(Context ctx, String tag, int id) { Notification not = new ... a 2.3.7 phone See Question&Answers more detail:os...

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

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345 views

1 answer

android - INSTALL_PARSE_FAILED_NO_CERTIFICATES error in Eclipse

Hi I have been looking at different post than we on the subject of error in error INSTALL_PARSE_FAILED_NO_CERTIFICATES ... ! Capture my eclipse 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 - findViewById returns null on a LinearLayout inside an <include>d view

I cannot figure out mistake here. I may be oevrlooking some thing... Layout XML: <LinearLayout xmlns:android="http: ... wrong with the 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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