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How to get the ActionBar height?
...e would be valid in an Activity.
// Calculate ActionBar height
TypedValue tv = new TypedValue();
if (getTheme().resolveAttribute(android.R.attr.actionBarSize, tv, true))
{
Int actionBarHeight = TypedValue.complexToDimensionPixelSize(tv.data,getResources().getDisplayMetrics());
}
Kotlin:
val ...
滚动布局管理器拓展 - ScrollArrangementHandler · App Inventor 2 中文网
...)
拓展文件：ScrollArrangementHandlers.aix
本文档基于ColinTree官方文档整理翻译，原文 侵删。点此参考讨论。
您的改进建议 联系方式： 不需要回复的可留空~ 意见反馈（300字以内）： ...
App Inventor 2开发计步器与定位器 - App Inventor 2 中文网 - 清泛IT论坛，有思想、有深度
...体每个程序的调用参数都不尽相同，需要查阅对应程序的官方技术文档。具体使用及说明可以参考我摘录的官方的一个说明：http://blog.sina.com.cn/s/blog_66fa66650102w7is.html以及我在实施地图调用过程中的一些记录说明：http://blog.sina.com...
How to make a countdown timer in Android?
...id.view.View;
import android.widget.LinearLayout;
import android.widget.TextView;
import java.text.SimpleDateFormat;
import java.util.Date;
public class MainActivity extends AppCompatActivity {
private String EVENT_DATE_TIME = "2020-12-31 10:30:00";
private String DATE_FORMAT = "yyyy-MM-d...
How to print time in format: 2009‐08‐10 18:17:54.811
...
char buffer[26];
int millisec;
struct tm* tm_info;
struct timeval tv;
gettimeofday(&tv, NULL);
millisec = lrint(tv.tv_usec/1000.0); // Round to nearest millisec
if (millisec>=1000) { // Allow for rounding up to nearest second
millisec -=1000;
tv.tv_sec++;
}
tm_in...
Linux: is there a read or recv from socket with timeout?
...l implementations
allow this option to be set.
// LINUX
struct timeval tv;
tv.tv_sec = timeout_in_seconds;
tv.tv_usec = 0;
setsockopt(sockfd, SOL_SOCKET, SO_RCVTIMEO, (const char*)&tv, sizeof tv);
// WINDOWS
DWORD timeout = timeout_in_seconds * 1000;
setsockopt(socket, SOL_SOCKET, SO_RCVTIM...
Android应用开发性能优化完全分析 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...关于性能优化的优质博文网上也还是有很多的，譬如Google官方都已经推出了优化专题，我这里只是总结下自的感悟而已，若有得罪欢迎拍砖，我愿挨打，因为我之前工作的一半时间都是负责性能优化）。
当然了，本文不会就此...
How to measure time in milliseconds using ANSI C?
...ate on many systems.
You can use this function like this:
struct timeval tval_before, tval_after, tval_result;
gettimeofday(&tval_before, NULL);
// Some code you want to time, for example:
sleep(1);
gettimeofday(&tval_after, NULL);
timersub(&tval_after, &tval_before, &tval_...
Android: Want to set custom fonts for whole application not runtime
...Asset(
getBaseContext().getAssets(), "fonts/BPreplay.otf");
TextView tv1 = (TextView)findViewById(R.id.tv1);
tv1.setTypeface(tf);
TextView tv2 = (TextView)findViewById(R.id.tv2);
tv2.setTypeface(tf);
TextView tv3 = (TextView)findViewById(R.id.tv3);
tv3.setTypeface(t...
How to set the font style to bold, italic and underlined in an Android TextView?
I want to make a TextView 's content bold, italic and underlined. I tried the following code and it works, but doesn't underline.
...