Recent questions tagged Android

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android - UTF-8 encoding in Volley Requests

In my Android app I am loading json data with a Volley JsonArrayRequest. The data were created by myself ... this encoding problem in Volley? 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 find the maximum texture size for different phones?

I'm trying to find out the maximum texture size for the original Motorola Droid. I believe the G1 has a ... can build a proper tile system. 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 - Could not allocate CursorWindow

I'm operating on an SQLite3 database in my android app. I just read from the pre populated database that has ... and why is the app crashing? 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 - Call a public method in the Activity class from another class?

MAIN ACTIVITY public class MyActivity() extends Activity { onCreate() { MyClass myobj=new MyClass(); } public ... appreciate any help. 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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android - How get coordinate of a ClickableSpan inside a TextView?

I have a TextView with many ClickableSpan. On click on a ClickableSpan, I have to get the coordinate on screen of ... the middle of the text. 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 camera preview wrong aspect ratio

i created a camera app based on tutorial. the preview class i use is from api-Demos "CameraPreview". I added a ... this isn't working for me. 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 RGB value from hexadecimal color code in java

I have a decimal color code (eg: 4898901). I am converting it into a hexadecimal equivalent of that as ... from the hexadecimal color code? 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 - ClassNotFoundException for SignInConfiguration when signing in with Google

I'm implementing Google login to an app. The login itself seems to work okay, but the moment I request either ... which doesn't use proguard. 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 make Button highlight?

I set a image as Button backgroud,but Button has no highlight when click it. Is there any way to solve it. 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 - RecyclerView.ItemDecoration doesn't update after item is removed from RecyclerView.Adapter

My question How can I get my ItemDecoration to "update" the item offsets for other views when I remove a given view from ... (R.id.text); } } } See Question&Answers more detail:os...

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

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319 views

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android - How to update ListView in case of CursorAdapter usage?

The reason I'm asking that is because requery() is deprecated. What is the best way now to refresh your ListView? 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 - How to underline text in TextView with some different color than that of text?

I know how to underline text in a textview. But how to underline text with some different color ? Underline can ... do it ? Thanks 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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385 views

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android - How to use aapt2, where is the documentation?

I have used aapt p to package resources and generate R.java. But when I upgraded to Android 24, I found ... not find any documentation about it. See Question&Answers more detail:os...

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

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352 views

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android studio 3.1: build:gradle:3.1.0 - Absolute path are not supported when setting an output file name

When I use Android Studio 3.0 and I use the next version of Android Gradle Plugin in project/build.gradle: classpath ... . How I can do 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 do i change timezone using adb

I want to change the timezone using adb shell command. I went through some posts which allow changing it in ... are not valid for android. See Question&Answers more detail:os...

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

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279 views

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android - How Do You Use WebMessagePort As An Alternative to addJavascriptInterface()?

Google's security guidelines for Android app developers has the following: WebViews do not use addJavaScriptInterface( ... replacement for 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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881 views

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android - How to add margin between tabs in TabLayout?

Is there a way to add margin between the tabs in a TabLayout? I've tried with using a custom style for ... related to padding, but no margins. See Question&Answers more detail:os...

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

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206 views

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android - Get ListView children that are not in view

For an App I am working on, I'm trying to get the children of a ListView. To do this I have the ... return listView.getChildAt(childIndex); } } See Question&Answers more detail:os...

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

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355 views

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android - How to Correctly Extend LinearLayout to Create a Custom View

I have some "card", which is a simple LinearLayout with a TextView inside <LinearLayout xmlns:android="http://schemas. ... .card, 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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382 views

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android - How set imageview scaletype to topCrop

I'm coding android and I have a imageview. I want to set scaletype of this to topcrop. I could find centercrop in ... my request. How do I do? See Question&Answers more detail:os...

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

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638 views

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android - Windows emulator.exe PANIC: Missing emulator engine program for 'x86' CPU

I'm trying to use emulator.exe as android emulator for Charles Proxy. But I have problem, when I launch emulator ... I have an intel processor. See Question&Answers more detail:os...

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

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416 views

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android - OkHTTP and Picasso don't run together

I use Picasso library in my project to load images ande cache them. It works good without any problem. However ... use two libraries together ? 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 - How do you take high resolution images using Camera.takePicture()?

I'm implementing an in-app camera and every time I take a picture my image is 320x240, though my phone's camera is ... ); } startPreview(); } } See Question&Answers more detail:os...

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

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316 views

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android - get latitude and longitude using zipcode

i want to get the latitude and longitude using the zipcode for android application 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

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android - Failed to resolve: play-services-tasks

I have been tryong to add FCM to my android application for almost 48 hours now. I am keep on failing with ... give me a hand here please. 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 - Is it safe to launch an activity from a non-ui thread?

Suppose my activity ui-thread spawns a separate thread at some point. Is it safe for that new thread to ... launching a new activity? 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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195 views

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android - org.gradle.api.UncheckedIOException: Failed to capture snapshot of input

I was trying to build my project again after installing the latest preview version of android studio, but follow ... -drawable:27.1.1'} See Question&Answers more detail:os...

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

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362 views

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android - How to read location only once with locationManager (GPS and NETWORK PROVIDER) and not any more looking for updates of location?

How to read location only once with locationManager (GPS and NETWORK PROVIDER) and not any more looking for ... location, to save battery? See Question&Answers more detail:os...

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

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