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How to get the width and height of an android.widget.ImageView?
...
final ImageView iv = (ImageView)findViewById(R.id.scaled_image);
final TextView tv = (TextView)findViewById(R.id.size_label);
ViewTreeObserver vto = iv.getViewTreeObserver();
vto.addOnPreDrawListener(new ViewTreeObserver.OnPreDrawListener() {
public boolean onPreDraw() {
iv.getViewTreeO...
UITableView Setting some cells as “unselectable”
...ot want the row to be selected.
- (NSIndexPath *)tableView:(UITableView *)tv willSelectRowAtIndexPath:(NSIndexPath *)path
{
// Determine if row is selectable based on the NSIndexPath.
if (rowIsSelectable) {
return path;
}
return nil;
}
This prevents the row from being sel...
技术人员如何创业《一》—— 产品及想法 - 资讯 - 清泛网 - 专注C/C++及内核技术
...定是个四不像的产品。那意思就是不开发产品了吗？看看电影《社交网络》就知道，扎克伯克其实不仅仅是技术很牛，网站搞瘫了整个哈佛的网络，他的商业敏锐度和用户需求也拿捏得很好。在设计第一个长相匹配的网站时他知...
What's the best way to limit text length of EditText in Android
...
use an input filter to limit the max length of a text view.
TextView editEntryView = new TextView(...);
InputFilter[] filterArray = new InputFilter[1];
filterArray[0] = new InputFilter.LengthFilter(8);
editEntryView.setFilters(filterArray);
...
为什么我们程序员写不出好代码？ - 杂谈 - 清泛网 - 专注C/C++及内核技术
...精力去复制代码，而不是去重新编写逻辑代码。
15.迷恋最新的工具
最新的工具可以给你带来很多乐趣，处于最前沿的程序员总是喜欢修改整个API，并且重写它们，迫使人们不得不修改底层的代码。
当我试图兼顾Python 3.0和Pytho...
What's the algorithm to calculate aspect ratio?
...ese are the prevalence of screen ratios amongst Steam users (as of October 2012):
16:9 -> 58.9%
16:10 -> 24.0%
5:4 -> 9.57%
4:3 -> 6.38%
5:3 -> 0.84%
17:9 -> 0.11%
share
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improv...
How to use putExtra() and getExtra() for string data
...
first Screen.java
text=(TextView)findViewById(R.id.tv1);
edit=(EditText)findViewById(R.id.edit);
button=(Button)findViewById(R.id.bt1);
button.setOnClickListener(new OnClickListener() {
public void onClick(View arg0) {
String s=edit.getTex...
Android : Check whether the phone is dual SIM
...t android.app.Activity;
import android.os.Bundle;
import android.widget.TextView;
public class MainActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
...
How do I get the current version of my iOS project in code?
...lows:
let version = Bundle.main.object(forInfoDictionaryKey: "CFBundleShortVersionString") as! String
let build = Bundle.main.object(forInfoDictionaryKey: kCFBundleVersionKey as String) as! String
or in Objective-C
NSString * version = [[NSBundle mainBundle] objectForInfoDictionaryKey: @"CFBundl...
Different font size of strings in the same TextView
I have a textView inside with a number (variable) and a string , how can I give the number one size larger than the string ?
the code:
...