我在Rhomobile 5.0.2 WebView应用程序中的Android 4.4.2 Moto X 2013上收到以下错误.该应用程序使用SDK 19和minAPI级别17进行编译.
经过一些研究后,似乎这是Snapdragon 800/Adreno GPU设备的一个问题:
https://code.google.com/p/android/issues/detail?id=63738 https://code.google.com/p/android/issues/detail?id=71742
禁用硬件加速并不是一个真正的选择,因为它使WebView非常缓慢.
由于错误是:
dequeueBuffer: can't dequeue multiple buffers without setting the buffer count
Run Code Online (Sandbox Code Playgroud)
如何在com.rhomobile.rhodes.RhodesActivity中设置缓冲区计数?
11-08 18:28:31.227: I/SFPerfTracer(238): triggers: (rate: 0:0) (423387 sw vsyncs) (0 skipped) (0:361861 vsyncs) (2:863582)
11-08 18:28:31.328: W/Adreno-EGLSUB(4749): <DequeueBuffer:593>: dequeue native buffer fail: Unknown error 2147483646, buffer=0x61213afc, handle=0x0
11-08 18:28:31.331: W/Adreno-EGLSUB(4749): <SwapBuffers:1343>: Invalid native buffer. Failed to queueBuffer
11-08 18:28:31.331: W/Adreno-EGLSUB(4749): <updater_thread:456>: native buffer is NULL
11-08 18:28:31.346: E/BufferQueue(238): [com.myapp.myapp/com.rhomobile.rhodes.RhodesActivity] dequeueBuffer: can't dequeue multiple buffers …Run Code Online (Sandbox Code Playgroud) 我对Leaflet Map API很感兴趣.
但是,我需要能够使用Google卫星图层.我无法找到有关如何将Google卫星图层添加到Leaflet的示例.我知道我仍然需要加载Google Maps API才能执行此操作(OpenLayers有一个示例).
我有一个黑色文字和白色背景的div.在IE9中显示得很好.但是,在打印预览中,白色背景是透明的.适用于Chrome,Firefox和Safari.有任何想法吗?
以下链接显示该页面.显示很好,但地图右下角的白框在打印预览中具有透明背景.
http://www.mycoursewalk.com/course_walk/print/426
谢谢,
缺口,
我正在开发 Xamarin.Forms 应用程序。它运行良好,但当用户在打开其他一些应用程序后将其从后台返回时,它会继续崩溃。我是 Xamarin 的新手,我不确定如何调试这个问题。到目前为止,这个问题在 iOS 上没有发生。
SplashActivity.cs:
using System.Threading.Tasks;
using Android.App;
using Android.Content;
using Android.OS;
using Android.Support.V7.App;
using Android.Util;
namespace MyApp.Droid
{
[Activity(Theme = "@style/MyTheme.Splash", MainLauncher = true, NoHistory = true)]
public class SplashActivity : AppCompatActivity
{
static readonly string TAG = "X:" + typeof(SplashActivity).Name;
protected override void OnCreate(Bundle savedInstanceState) // PersistableBundle persistentState
{
base.OnCreate(savedInstanceState); // persistentState
Log.Debug(TAG, "SplashActivity.OnCreate");
}
protected override void OnResume()
{
base.OnResume();
Task startupWork = new Task(() =>
{
Log.Debug(TAG, "Performing some startup work that …Run Code Online (Sandbox Code Playgroud) 我在Rails 2.3上,我正在尝试将JSON格式的字符串转换为Rails哈希.但是,当我使用时,JSON.parse我得到一个没有分隔符的JSON字符串:
{"source_id":40007,"object":"86088947610496.1","coursewalk_id":"86088947610477.1","description":"","image_uri":"db\/db-files\/
Image_2011-09-24_14.37.37__0000.jpg","latitude":"38.0113439821061","letter":"","letter_A":"","letter_B":"","letter_C":"","lett
er_D":"","letter_E":"","letter_F":"","longitude":"-78.7576854509104","number":"1","mcw_id":71}
Run Code Online (Sandbox Code Playgroud)
结果JSON.parse:
number1letter_Bcoursewalk_id86088947610477.1letter_Clatitude38.0113439821061letter_Dletter_Eletter_Fmcw_id71longitude-78.75768
54509104letterdescriptionobject86088947610496.1source_id40007letter_Aimage_uridb/db-files/Image_2011-09-24_14.37.37__0000.jpg
Run Code Online (Sandbox Code Playgroud)
码:
puts string_to_parse
fence_parsed = JSON.parse(string_to_parse)
puts fence_parsed
Run Code Online (Sandbox Code Playgroud)
有任何想法吗?
谢谢,尼克
在Google Play开发者控制台中,我可以检查哪些设备与我的APK兼容/支持.如何找出设备不受支持的原因?
例如,不支持谷歌Nexus 7"罗非鱼"和"石斑鱼".但支持Nexus 7,Google Nexus 7"deb"和Google Nexus 7"flo".
有没有办法知道清单中的哪个功能导致问题?
特征:
API等级10+
如何使用JS代码关闭Leaflet JS层控件?在桌面上,当鼠标光标离开控件时,控件会很好地关闭.但是,在手机上,用户需要在控件外部轻敲以关闭它.一旦用户选择控件内的图层,我想手动关闭它.
我有以下型号:
class Book < ApplicationRecord
has_many :chapters
end
class Chapter < ApplicationRecord
belongs_to :book
has_many :pages
end
class Page < ApplicationRecord
belongs_to :chapter
has_many :paragraphs
end
class Paragrpah < ApplicationRecord
belongs_to :page
end
Run Code Online (Sandbox Code Playgroud)
现在我想得到一本特定书中所有段落的清单.就像是:
@parapgraphs = Paragraph.pages.chapters.book.where(:title => 'My Book')
Run Code Online (Sandbox Code Playgroud)
当我这样做时,我得到:
undefined method 'chapters' for 'pages'
Run Code Online (Sandbox Code Playgroud)
我正在使用Rails 4.2和Ruby 2.2
ruby activerecord ruby-on-rails where-clause ruby-on-rails-4
我是Objective-C的新手,我正在尝试使用UIImage + Resize类来调整iOS中的图片大小.见UIIimage+Resize.m代码.
以下代码中的XCode无法识别resizeImage类.
错误消息:"类方法resizedImage:interpolationQuality not found ..."
#import "UIImage+Resize.h"
- (void)useImage:(UIImage*)theImage {
...
...
...
CGSize newSize = CGSizeMake (newWidth, newHeight);
CGInterpolationQuality InterpQual = kCGInterpolationHigh;
UIImage* newImg = [UIImage resizedImage:newSize interpolationQuality:InterpQual];
...
...
...
}
Run Code Online (Sandbox Code Playgroud) 我使用我的rails 2.3应用程序中的paperclip gem将图像附件保存到AWS S3.我希望能够允许用户下载图像附件作为实际下载,而不是打开新的浏览器选项卡.当我在我使用的服务器上本地保存图像附件时:
picture_filename = RAILS_ROOT + '/public' + params[:picture_filename]
send_file(picture_filename, :type => 'text', :stream => "false", :disposition => 'attachment')
Run Code Online (Sandbox Code Playgroud)
但是,如果位置在aws-s3上,则send_file不起作用.
如何用aws-sdk宝石实现这一目标?
android ×3
leaflet ×2
activerecord ×1
apk ×1
class ×1
controls ×1
google-play ×1
hash ×1
ios ×1
javascript ×1
json ×1
layer ×1
manifest ×1
objective-c ×1
paperclip ×1
parsing ×1
printf ×1
rhomobile ×1
ruby ×1
satellite ×1
string ×1
webview ×1
where-clause ×1