我想在弹出屏幕中启动一个活动.有任何快速变化的建议吗?
new AlertDialog.Builder(SearchResults.this)
.setTitle("Refine")
.setItems(/*catNames*/, new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
/* User clicked so do some stuff */
String catName = catNames[which];
String categoryIds = subCats.get(catName);
})
.setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int whichButton) {
//do nothing just dispose
}
})
.create().show();
Run Code Online (Sandbox Code Playgroud) 我想使用具有意图的子选项卡创建选项卡,这样当用户单击选项卡意图时,刷新.
每次用户单击选项卡我想要刷新并调用oncreate方法的子意图选项卡.
public class Tabs3 extends TabActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
final TabHost tabHost = getTabHost();
tabHost.addTab(tabHost.newTabSpec("tab1")
.setIndicator("list")
.setContent(new Intent(this, List1.class)));
tabHost.addTab(tabHost.newTabSpec("tab2")
.setIndicator("photo list")
.setContent(new Intent(this, List8.class)));
// This tab sets the intent flag so that it is recreated each time
// the tab is clicked.
tabHost.addTab(tabHost.newTabSpec("tab3")
.setIndicator("destroy")
.setContent(new Intent(this, Controls2.class)
.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP)));
}
}
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当用户选择登录字段软键盘出现时,我正在打开Facebook登录页面.我想在软键盘上有一个完成按键,怎么做?
我知道我们可以通过编辑字段附带的以下代码添加完成按钮
ediText.setImeOptions(EditorInfo.IME_ACTION_DONE);
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但它是HTML形式在WebView
任何线索如何做到这一点?
我有一个编辑文本字段.当用户默认点击它时,它会在虚拟键盘上显示小写字母.
我希望默认情况下在键盘上显示第一个字母大写字母和其他小字母.
如何才能做到这一点?
Linux命令行:
当我执行以下命令时,ps -ef |grep tomcat
它向我显示以下过程
abcapp 28119 1 0 12:53 ? 00:00:19 /usr/java/jdk1.6.0_10//bin/java -Xmx256m -Dabc.log.file=/home/app/apps/rum/logs/dev.log -Dabc.config=dev -Dlog4j.configuration=file:///home/abcapp/env/abc_env/abc_env-1.2/config/log4j-webapp.properties -Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager -Djava.util.logging.config.file=/home/abcapp/env/tomcat/tomcat-5.5-26-rum/conf/logging.properties -Djava.endorsed.dirs=/home/abcapp/env/tomcat/tomcat-5.5-26-rum/common/endorsed -classpath :/home/abcapp/env/tomcat/tomcat-5.5-26-rum/bin/bootstrap.jar:/home/abcapp/env/tomcat/tomcat-5.5-26-rum/bin/commons-logging-api.jar -Dcatalina.base=/home/abcapp/env/tomcat/tomcat-5.5-26-rum -Dcatalina.home=/home/abcapp/env/tomcat/tomcat-5.5-26-rum -Djava.io.tmpdir=/home/abcapp/env/tomcat/tomcat-5.5-26-rum/temp org.apache.catalina.startup.Bootstrap start
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但是当我发出以下命令时它什么也没显示
pgrep tomcat-5.5-26-rum OR pgrep "*-rum"
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有些身体可以帮助我如何通过名称正则表达式为"*-rum"获取tomcat进程ID
提前致谢.
我正在使用Listview,我想在视图加载时向下滚动到列表的10项,怎么办????
通过以下代码启动监听器后工作正常.
LocationManager locationManager =(LocationManager) getSystemService(Context.LOCATION_SERVICE);
locationManager.requestLocationUpdates(
LocationManager.GPS_PROVIDER, WLConstants.DELAY_HOUR, gpsl
.getMinDistance(), gpsl);
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一段时间后,我通过以下代码停止了监听器
locationManager.removeUpdates(this);
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但问题是它仍在搜索我的gps任何解决方案??? 如何阻止gps?
在ListView
我可以更改分频器图像android:divider=image
但我想为不同的项目显示不同的分频器图像我该怎么办?
我在http://www.globalsign.com/support/install/install_tomcat.php上执行了以下步骤,使用以下条目server.xml
:
<Connector port="8443" protocol="HTTP/1.1" SSLEnabled="true"
keystoreFile="D:\Tomcat\ukdp.keystore" keystorePass="123456" keyAlias="ukdp"
maxThreads="150" scheme="https" secure="true"
clientAuth="false" sslProtocol="TLS" />
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但是在启动期间发生以下异常:
SEVERE: Error initializing endpoint
java.io.IOException: Alias name ukdp does not identify a key entry
at org.apache.tomcat.util.net.jsse.JSSESocketFactory.getKeyManagers(JSSESocketFactory.java:412)
at org.apache.tomcat.util.net.jsse.JSSESocketFactory.init(JSSESocketFactory.java:378)
at
org.apache.tomcat.util.net.jsse.JSSESocketFactory.createSocket(JSSESocketFactory.java:125)
at org.apache.tomcat.util.net.JIoEndpoint.init(JIoEndpoint.java:496)
at org.apache.coyote.http11.Http11Protocol.init(Http11Protocol.java:177)
at org.apache.catalina.connector.Connector.initialize(Connector.java:1059)
at org.apache.catalina.core.StandardService.initialize(StandardService.java:677)
at org.apache.catalina.core.StandardServer.initialize(StandardServer.java:792)
at org.apache.catalina.startup.Catalina.load(Catalina.java:518)
at org.apache.catalina.startup.Catalina.load(Catalina.java:538)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.apache.catalina.startup.Bootstrap.load(Bootstrap.java:260)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:412)
Mar 14, 2011 4:14:56 PM org.apache.catalina.startup.Catalina load
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当我删除keyAlias
条目如下:
<Connector …
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