tuchangwei’s gists

tuchangwei / Android 给GridView加个头部

Created June 24, 2015 00:20

	package ws.otero.adrian.gridexample;

	import android.graphics.Color;
	import android.os.Bundle;
	import android.support.v7.app.ActionBarActivity;
	import android.support.v7.widget.GridLayoutManager;
	import android.support.v7.widget.RecyclerView;
	import android.view.LayoutInflater;
	import android.view.View;
	import android.view.ViewGroup;

tuchangwei / Android 手势检测

Created June 22, 2015 02:13

	// First create the GestureListener that will include all our callbacks.
	// Then create the GestureDetector, which takes that listener as an argument.
	GestureDetector.SimpleOnGestureListener gestureListener = new GestureListener();
	final GestureDetector gd = new GestureDetector(getActivity(), gestureListener);

	/* For the view where gestures will occur, create an onTouchListener that sends
	* all motion events to the gesture detector. When the gesture detector
	* actually detects an event, it will use the callbacks you created in the
	* SimpleOnGestureListener to alert your application.
	*/

tuchangwei / Android中自定义命名空间与引用自定义属性

Created June 21, 2015 10:11

	<!--抽屉效果，有两部分组成，上边部分是主view，下边部分是抽屉部分，抽屉部分的抽出方向由android:layout_gravity="start"这个参数决定-->
	<android.support.v4.widget.DrawerLayout xmlns:android="http://schemas.android.com/apk/res/android"
	//app为自定义namespace的名称
	xmlns:app="http://schemas.android.com/apk/res-auto"
	android:id="@+id/drawerLayout"
	android:layout_width="match_parent"
	android:layout_height="match_parent">

	<!-- 主view由相对布局构成-->
	<RelativeLayout

tuchangwei / Android Studio 快捷键积累

Last active August 29, 2015 14:23

	显示文档: Ctr+J
	查找调用位置：Ctrl + Option + H

tuchangwei / navbar和tabbar自定义

Created June 13, 2015 07:55


	- (void)customAppearance {

	[[UIApplication sharedApplication] setStatusBarStyle:UIStatusBarStyleLightContent];
	[[UINavigationBar appearance] setTitleTextAttributes:@{NSForegroundColorAttributeName: [UIColor whiteColor]}];
	//[[UINavigationBar appearance]setBackgroundColor:[UIColor colorWithRed:26.0/255 green:26.0/255 blue:129.0/255 alpha:1.0]];
	[[UINavigationBar appearance]setBackgroundImage:[UIImage imageNamed:@"navbar_bg"]forBarMetrics:UIBarMetricsDefault];
	if([UIDevice currentDevice].systemVersion.floatValue >= 8.0) {

	[[UINavigationBar appearance]setTranslucent:NO];

tuchangwei / 颜色值转换，Document，Log

Created June 13, 2015 07:53

	//RGB color macro
	#define NormalBlue 0x25aae1
	#define PressedBlue 0x1A7AA2

	#define UIColorFromRGB(rgbValue) [UIColor \
	colorWithRed:((float)((rgbValue & 0xFF0000) >> 16))/255.0 \
	green:((float)((rgbValue & 0xFF00) >> 8))/255.0 \
	blue:((float)(rgbValue & 0xFF))/255.0 alpha:1.0]

	//RGB color macro with alpha

tuchangwei / 设置statusbar为白色

Created June 13, 2015 07:49

	<key>UIStatusBarStyle</key>
	<string>UIStatusBarStyleBlackOpaque</string>
	<key>UIViewControllerBasedStatusBarAppearance</key>
	<false/>

	[[UIApplication sharedApplication] setStatusBarStyle:UIStatusBarStyleLightContent];

tuchangwei / 获取App版本号与Build号

Created June 13, 2015 07:45

	+ (NSString *) appVersion
	{
	return [[NSBundle mainBundle] objectForInfoDictionaryKey: @"CFBundleShortVersionString"];
	}

	+ (NSString *) build
	{
	return [[NSBundle mainBundle] objectForInfoDictionaryKey: (NSString *)kCFBundleVersionKey];
	}

tuchangwei / 申明远程通知

Created June 13, 2015 07:44

	#if __IPHONE_OS_VERSION_MAX_ALLOWED >= __IPHONE_8_0
	if ([[UIApplication sharedApplication] respondsToSelector:@selector(registerUserNotificationSettings:)]) {
	UIUserNotificationSettings* notificationSettings = [UIUserNotificationSettings settingsForTypes:UIUserNotificationTypeAlert \| UIUserNotificationTypeBadge \| UIUserNotificationTypeSound categories:nil];
	[[UIApplication sharedApplication] registerUserNotificationSettings:notificationSettings];
	[[UIApplication sharedApplication] registerForRemoteNotifications];
	} else {
	[[UIApplication sharedApplication] registerForRemoteNotificationTypes: (UIRemoteNotificationTypeBadge \| UIRemoteNotificationTypeSound \| UIRemoteNotificationTypeAlert)];
	}
	#else
	[[UIApplication sharedApplication] registerForRemoteNotificationTypes: (UIRemoteNotificationTypeBadge \| UIRemoteNotificationTypeSound \| UIRemoteNotificationTy

tuchangwei / 判断iPhone版本

Created June 5, 2015 02:34

	#define IS_IPAD (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad)
	#define IS_IPHONE (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPhone)
	#define IS_RETINA ([[UIScreen mainScreen] scale] >= 2.0)

	#define SCREEN_WIDTH ([[UIScreen mainScreen] bounds].size.width)
	#define SCREEN_HEIGHT ([[UIScreen mainScreen] bounds].size.height)
	#define SCREEN_MAX_LENGTH (MAX(SCREEN_WIDTH, SCREEN_HEIGHT))
	#define SCREEN_MIN_LENGTH (MIN(SCREEN_WIDTH, SCREEN_HEIGHT))

	#define IS_IPHONE_4_OR_LESS (IS_IPHONE && SCREEN_MAX_LENGTH < 568.0)

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