- html - 出于某种原因,IE8 对我的 Sass 文件中继承的 html5 CSS 不友好?
- JMeter 在响应断言中使用 span 标签的问题
- html - 在 :hover and :active? 上具有不同效果的 CSS 动画
- html - 相对于居中的 html 内容固定的 CSS 重复背景?
我想在将一些模式匹配到 url 后让我的按钮可见
一切正常,但它没有将我的按钮的可见性设置为 true我正在尝试这个
try {
sleep((int)(Math.random() * 1000));
btn = (Button) findViewById(R.id.My_btn);
btn.requestFocus();
btn.setVisibility(0);
//here btn.setvisibility(View.VISIBLE) also not working
}
这是我的按钮日志
05-04 10:30:12.212: WARN/InputManagerService(52): Window already focused, ignoring focus gain of: com.android.internal.view.IInputMethodClient$Stub$Proxy@437da3e8
05-04 10:30:13.673: WARN/InputManagerService(52): Window already focused, ignoring focus gain of: com.android.internal.view.IInputMethodClient$Stub$Proxy@4379d170
05-04 10:30:16.054: INFO/NotificationService(52): enqueueToast pkg=android.com.MobiintheMorning callback=android.app.ITransientNotification$Stub$Proxy@4376ae30 duration=0
05-04 10:30:16.064: INFO/System.out(677): button founded
05-04 10:30:16.629: WARN/dalvikvm(677): threadid=31: thread exiting with uncaught exception (group=0x4001aa28)
05-04 10:30:16.629: ERROR/AndroidRuntime(677): Uncaught handler: thread Thread-17 exiting due to uncaught exception
05-04 10:30:16.634: ERROR/AndroidRuntime(677): android.view.ViewRoot$CalledFromWrongThreadException: Only the original thread that created a view hierarchy can touch its views.
05-04 10:30:16.634: ERROR/AndroidRuntime(677): at android.view.ViewRoot.checkThread(ViewRoot.java:2629)
05-04 10:30:16.634: ERROR/AndroidRuntime(677): at android.view.ViewRoot.focusableViewAvailable(ViewRoot.java:1519)
05-04 10:30:16.634: ERROR/AndroidRuntime(677): at android.view.ViewGroup.focusableViewAvailable(ViewGroup.java:448)
05-04 10:30:16.634: ERROR/AndroidRuntime(677): at android.view.ViewGroup.focusableViewAvailable(ViewGroup.java:448)
05-04 10:30:16.634: ERROR/AndroidRuntime(677): at android.view.ViewGroup.focusableViewAvailable(ViewGroup.java:448)
05-04 10:30:16.634: ERROR/AndroidRuntime(677): at android.view.ViewGroup.focusableViewAvailable(ViewGroup.java:448)
05-04 10:30:16.634: ERROR/AndroidRuntime(677): at android.view.View.setFlags(View.java:4270)
05-04 10:30:16.634: ERROR/AndroidRuntime(677): at android.view.View.setVisibility(View.java:2964)
05-04 10:30:16.634: ERROR/AndroidRuntime(677): at android.com.MobiintheMorning.MobiintheMorningActivity.btnvisibility(MobiintheMorningActivity.java:307)
05-04 10:30:16.634: ERROR/AndroidRuntime(677): at android.com.MobiintheMorning.MobiintheMorningActivity$temp.run(MobiintheMorningActivity.java:277)
05-04 10:30:16.644: INFO/Process(52): Sending signal. PID: 677 SIG: 3
05-04 10:30:16.644: INFO/dalvikvm(677): threadid=7: reacting to signal 3
05-04 10:30:16.644: ERROR/dalvikvm(677): Unable to open stack trace file '/data/anr/traces.txt': Permission denied
05-04 10:33:50.293: DEBUG/AndroidRuntime(893): >>>>>>>>>>>>>> AndroidRuntime START <<<<<<<<<<<<<<
05-04 10:33:50.293: DEBUG/AndroidRuntime(893): CheckJNI is ON
05-04 10:33:50.494: DEBUG/AndroidRuntime(893): --- registering native functions ---
05-04 10:33:50.494: INFO/jdwp(893): received file descriptor 20 from ADB
05-04 10:33:50.693: DEBUG/ddm-heap(893): Got feature list request
05-04 10:33:51.133: DEBUG/PackageParser(52): Scanning package: /data/app/vmdl65231.tmp
05-04 10:33:51.314: INFO/PackageManager(52): Removing non-system package:android.com.MobiintheMorning
05-04 10:33:51.314: DEBUG/PackageManager(52): Removing package android.com.MobiintheMorning
05-04 10:33:51.314: DEBUG/PackageManager(52): Activities: android.com.MobiintheMorning.MobiintheMorningActivity android.com.MobiintheMorning.FindFilesByType android.com.MobiintheMorning.EmailAct android.com.MobiintheMorning.DisplaySong
05-04 10:33:51.373: DEBUG/PackageManager(52): Scanning package android.com.MobiintheMorning
05-04 10:33:51.373: INFO/PackageManager(52): /data/app/vmdl65231.tmp changed; unpacking
05-04 10:33:51.383: DEBUG/installd(32): DexInv: --- BEGIN '/data/app/vmdl65231.tmp' ---
05-04 10:33:51.744: DEBUG/dalvikvm(900): DexOpt: load 36ms, verify 187ms, opt 2ms
05-04 10:33:51.774: DEBUG/installd(32): DexInv: --- END '/data/app/vmdl65231.tmp' (success) ---
05-04 10:33:51.774: DEBUG/PackageManager(52): Activities: android.com.MobiintheMorning.MobiintheMorningActivity android.com.MobiintheMorning.FindFilesByType android.com.MobiintheMorning.EmailAct android.com.MobiintheMorning.DisplaySong
05-04 10:33:51.793: DEBUG/ActivityManager(52): Uninstalling process android.com.MobiintheMorning
05-04 10:33:51.793: DEBUG/ActivityManager(52): Force removing process ProcessRecord{438e6a48 677:android.com.MobiintheMorning/10022} (android.com.MobiintheMorning/10022)
05-04 10:33:51.803: INFO/Process(52): Sending signal. PID: 677 SIG: 9
05-04 10:33:51.892: WARN/UsageStats(52): Unexpected resume of com.android.launcher while already resumed in android.com.MobiintheMorning
05-04 10:33:51.934: INFO/WindowManager(52): WIN DEATH: Window{438462b8 android.com.MobiintheMorning/android.com.MobiintheMorning.MobiintheMorningActivity paused=false}
05-04 10:33:51.943: DEBUG/ActivityManager(52): Received spurious death notification for thread android.os.BinderProxy@43845d50
05-04 10:33:51.963: WARN/InputManagerService(52): Got RemoteException sending setActive(false) notification to pid 677 uid 10022
05-04 10:33:52.194: INFO/installd(32): move /data/dalvik-cache/data@app@vmdl65231.tmp@classes.dex -> /data/dalvik-cache/data@app@android.com.MobiintheMorning.apk@classes.dex
05-04 10:33:52.204: DEBUG/PackageManager(52): New package installed in /data/app/android.com.MobiintheMorning.apk
05-04 10:33:52.284: DEBUG/AndroidRuntime(893): Shutting down VM
05-04 10:33:52.284: DEBUG/dalvikvm(893): DestroyJavaVM waiting for non-daemon threads to exit
05-04 10:33:52.294: DEBUG/ActivityManager(52): Uninstalling process android.com.MobiintheMorning
05-04 10:33:52.303: DEBUG/dalvikvm(893): DestroyJavaVM shutting VM down
05-04 10:33:52.303: DEBUG/dalvikvm(893): HeapWorker thread shutting down
05-04 10:33:52.303: DEBUG/dalvikvm(893): HeapWorker thread has shut down
05-04 10:33:52.303: DEBUG/jdwp(893): JDWP shutting down net...
05-04 10:33:52.303: DEBUG/jdwp(893): Got wake-up signal, bailing out of select
05-04 10:33:52.303: INFO/dalvikvm(893): Debugger has detached; object registry had 1 entries
05-04 10:33:52.313: DEBUG/dalvikvm(893): VM cleaning up
05-04 10:33:52.354: DEBUG/dalvikvm(893): LinearAlloc 0x0 used 665236 of 4194304 (15%)
05-04 10:33:52.454: WARN/ResourceType(52): No package identifier when getting value for resource number 0x7f060000
05-04 10:33:52.464: WARN/ResourceType(52): No package identifier when getting value for resource number 0x7f060001
05-04 10:33:52.643: DEBUG/dalvikvm(95): GC freed 131 objects / 5400 bytes in 231ms
05-04 10:33:52.643: DEBUG/HomeLoaders(95): application intent received: android.intent.action.PACKAGE_REMOVED, replacing=true
05-04 10:33:52.643: DEBUG/HomeLoaders(95): --> package:android.com.MobiintheMorning
05-04 10:33:52.653: DEBUG/HomeLoaders(95): application intent received: android.intent.action.PACKAGE_ADDED, replacing=true
05-04 10:33:52.653: DEBUG/HomeLoaders(95): --> package:android.com.MobiintheMorning
05-04 10:33:52.653: DEBUG/HomeLoaders(95): --> update package android.com.MobiintheMorning
05-04 10:33:52.813: DEBUG/dalvikvm(52): GC freed 10887 objects / 620232 bytes in 335ms
05-04 10:33:52.983: WARN/ResourceType(52): No package identifier when getting value for resource number 0x7f060000
05-04 10:33:53.012: WARN/ResourceType(52): No package identifier when getting value for resource number 0x7f060001
05-04 10:33:53.363: DEBUG/AndroidRuntime(907): >>>>>>>>>>>>>> AndroidRuntime START <<<<<<<<<<<<<<
05-04 10:33:53.363: DEBUG/AndroidRuntime(907): CheckJNI is ON
05-04 10:33:53.543: DEBUG/AndroidRuntime(907): --- registering native functions ---
05-04 10:33:53.543: INFO/jdwp(907): received file descriptor 20 from ADB
05-04 10:33:53.734: DEBUG/ddm-heap(907): Got feature list request
05-04 10:33:54.154: INFO/ActivityManager(52): Starting activity: Intent { act=android.intent.action.MAIN cat=[android.intent.category.LAUNCHER] flg=0x10000000 cmp=android.com.MobiintheMorning/.MobiintheMorningActivity }
05-04 10:33:54.183: DEBUG/AndroidRuntime(907): Shutting down VM
05-04 10:33:54.183: DEBUG/dalvikvm(907): DestroyJavaVM waiting for non-daemon threads to exit
05-04 10:33:54.223: DEBUG/dalvikvm(907): DestroyJavaVM shutting VM down
05-04 10:33:54.223: DEBUG/dalvikvm(907): HeapWorker thread shutting down
05-04 10:33:54.223: DEBUG/dalvikvm(907): HeapWorker thread has shut down
05-04 10:33:54.233: DEBUG/jdwp(907): JDWP shutting down net...
05-04 10:33:54.233: DEBUG/jdwp(907): +++ peer disconnected
05-04 10:33:54.233: INFO/dalvikvm(907): Debugger has detached; object registry had 1 entries
05-04 10:33:54.243: DEBUG/dalvikvm(907): VM cleaning up
05-04 10:33:54.253: INFO/ActivityManager(52): Start proc android.com.MobiintheMorning for activity android.com.MobiintheMorning/.MobiintheMorningActivity: pid=915 uid=10022 gids={3003, 1015}
05-04 10:33:54.313: DEBUG/dalvikvm(907): LinearAlloc 0x0 used 676828 of 4194304 (16%)
05-04 10:33:54.423: INFO/jdwp(915): received file descriptor 20 from ADB
05-04 10:33:54.473: DEBUG/ddm-heap(915): Got feature list request
05-04 10:33:55.513: INFO/ActivityManager(52): Displayed activity android.com.MobiintheMorning/.MobiintheMorningActivity: 1312 ms (total 1312 ms)
05-04 10:34:05.163: DEBUG/dalvikvm(237): GC freed 43 objects / 2088 bytes in 54ms
05-04 10:34:10.253: DEBUG/dalvikvm(95): GC freed 2943 objects / 167248 bytes in 96ms
05-04 10:34:14.213: DEBUG/dalvikvm(915): GC freed 2995 objects / 320496 bytes in 79ms
05-04 10:34:16.112: WARN/InputManagerService(52): Window already focused, ignoring focus gain of: com.android.internal.view.IInputMethodClient$Stub$Proxy@4394c950
05-04 10:34:17.414: WARN/InputManagerService(52): Window already focused, ignoring focus gain of: com.android.internal.view.IInputMethodClient$Stub$Proxy@4394d7b8
05-04 10:34:19.334: INFO/NotificationService(52): enqueueToast pkg=android.com.MobiintheMorning callback=android.app.ITransientNotification$Stub$Proxy@4394d9f0 duration=0
05-04 10:34:19.344: INFO/System.out(915): button founded
05-04 10:34:19.778: WARN/dalvikvm(915): threadid=31: thread exiting with uncaught exception (group=0x4001aa28)
05-04 10:34:19.778: ERROR/AndroidRuntime(915): Uncaught handler: thread Thread-17 exiting due to uncaught exception
05-04 10:34:19.783: ERROR/AndroidRuntime(915): android.view.ViewRoot$CalledFromWrongThreadException: Only the original thread that created a view hierarchy can touch its views.
05-04 10:34:19.783: ERROR/AndroidRuntime(915): at android.view.ViewRoot.checkThread(ViewRoot.java:2629)
05-04 10:34:19.783: ERROR/AndroidRuntime(915): at android.view.ViewRoot.focusableViewAvailable(ViewRoot.java:1519)
05-04 10:34:19.783: ERROR/AndroidRuntime(915): at android.view.ViewGroup.focusableViewAvailable(ViewGroup.java:448)
05-04 10:34:19.783: ERROR/AndroidRuntime(915): at android.view.ViewGroup.focusableViewAvailable(ViewGroup.java:448)
05-04 10:34:19.783: ERROR/AndroidRuntime(915): at android.view.ViewGroup.focusableViewAvailable(ViewGroup.java:448)
05-04 10:34:19.783: ERROR/AndroidRuntime(915): at android.view.ViewGroup.focusableViewAvailable(ViewGroup.java:448)
05-04 10:34:19.783: ERROR/AndroidRuntime(915): at android.view.View.setFlags(View.java:4270)
05-04 10:34:19.783: ERROR/AndroidRuntime(915): at android.view.View.setVisibility(View.java:2964)
05-04 10:34:19.783: ERROR/AndroidRuntime(915): at android.com.MobiintheMorning.MobiintheMorningActivity$temp.run(MobiintheMorningActivity.java:277)
05-04 10:34:19.793: INFO/Process(52): Sending signal. PID: 915 SIG: 3
05-04 10:34:19.793: INFO/dalvikvm(915): threadid=7: reacting to signal 3
05-04 10:34:19.793: ERROR/dalvikvm(915): Unable to open stack trace file '/data/anr/traces.txt': Permission denied
最佳答案
您遇到错误:
05-04 10:34:19.783: ERROR/AndroidRuntime(915): android.view.ViewRoot$CalledFromWrongThreadException: Only the original thread that created a view hierarchy can touch its views.05
这表明您正在尝试使按钮在非 ui 线程中可见。如果是这样,那么你需要做这样的事情,让 UI 线程改变按钮的可见性:
try{
btn.post(new Runnable() {
public void run() {
btn.requestFocus();
btn.setVisibility(0); // Or: btn.setVisibility(View.VISIBLE)
}});
}catch (Exception e) {
Log.d("test", e.toString());
}
关于android - 需要帮助使 android 按钮可见,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/5878844/
我有这个问题: 我们声称对 float 使用相等测试是不安全的,因为算术运算会引入舍入错误,这意味着两个应该相等的数字实际上并不相等。 对于这个程序,您应该选择一个数字 N,并编写一个程序来显示 1
为什么这个脚本的输出是 5 而不是 8 ? 我认为 -- 意味着 -1 两次。 var x = 0; var y = 10; while ( x
我现在可以从 cmd 窗口中执行的 FFmpeg 过程中读取最后一行。 使用脚本主机模型对象引用此源。 Private Sub Command1_Click() Dim oExec
使用 vlookup,当匹配发生时,我想从匹配发生的同一行显示工作表 2 中 C 列的值。我想出的公式从 C 列表 2 中获取值,但它从公式粘贴在表 3 上的行中获取,而不是从匹配发生的位置获取。 这
我在破译 WCF 跟踪文件时遇到了问题,我希望有人能帮助我确定管道中的哪个位置发生了延迟。 “Processing Message XX”的跟踪如下所示,在事件边界和传输到“Process Actio
我有四个表,USER、CONTACT、CONACT_TYPE 和 USER_CONTACT USER_CONTACT 存储用户具有填充虚拟数据的表的所有联系人如下 用户表 USER_ID(int)|
以下有什么作用? public static function find_by_sql($sql="") { global $database; $result_set = $data
我正在解决 JavaBat 问题并且对我的逻辑感到困惑。 这是任务: Given a day of the week encoded as 0=Sun, 1=Mon, 2=Tue, ...6=Sat,
我正在研究一些 Scala 代码,发现这种方法让我感到困惑。在匹配语句中,sublist@ 是什么?构造?它包含什么样的值(value)?当我打印它时,它与 tail 没有区别,但如果我用尾部替换它,
我正在使用以下代码自行缩放图像。代码很好,图像缩放也没有问题。 UIImage *originImg = img; size = newSize; if (originImg.size.width >
Instruments 无法在我的 iPad 和 iPhone 上启动。两者都已正确配置,我可以毫无问题地从 xcode 调试它们上的代码,但 Instruments 无法启动。 我听到的只是一声嘟嘟
我想用 iPhone 的 NSRegularExpression 类解析此文本: Uploaded652.81 GB 用于摘录上传和652.81文本。 最佳答案 虽然我确实认为 xml 解析器更适合解
我找到了 solution在 Stackoverflow 上,根据过滤器显示 HTML“li”元素(请参阅附件)。本质上基于 HTML 元素中定义的 css 类,它填充您可以从中选择的下拉列表。 我想
这是一个简单的问题,但我是在 SQL 2005 中形成 XML 的新手,但是用于形成如下所示表中的 XML 的最佳 FOR XML SQL 语句是什么? Column1 Column2 -
我在 www.enigmafest.com 有一个网站!您可以尝试打开它!我面临的问题是,在预加载器完成后,主页会出现,但其他菜单仍然需要很长时间才能加载,而且声音也至少需要 5 分钟! :( 我怎样
好吧,我正在尝试用 Haskell 来理解 IO,我想我应该编写一个处理网页的简短小应用程序来完成它。我被绊倒的代码片段是(向 bobince 表示歉意,但公平地说,我并不想在这里解析 HTML,只是
如何使用背景页面来突出显示网站上的某个关键字,无论网站是什么(谷歌浏览器扩展)?没有弹出窗口或任何东西,它只是在某人正在查看的网站上编辑关键字。我以前见过这样的,就是不明白怎么做!谢谢你的帮助。 最佳
我是 Javascript 新手,需要一些帮助。 先看图片: . 积分预测器应用程序。 基本上当用户通过单选按钮选择获胜团队时它应该在积分栏中为获胜队添加 10 分,并且并根据得分高的球队自动对表格进
这是我的情况 - 我要发送一份时事通讯,我试图做的是,当用户单击电子邮件中的链接时,它会重定向到我的网页,然后会弹出一个灯箱,显示视频。我无法在页面加载时触发灯箱,因为您可以在查看灯箱之前转到同一页面
我有这个代码。 ¿Cuanto es ? Ir 我想获取用户输入的“验证码”值。我尝试这个但行不通。有什么帮助吗? var campo = d
我是一名优秀的程序员,十分优秀!