how to turn on status bar on android

[Android UI design and development] 4. Fragment introduction and simple implementation on the menu bar at the bottom (I), androidfragment TabActivity has been completely deprecated since Android4.0 and replaced by Fragment. Fragment is a new concept in Android3.0. Fragment is translated into Chinese, which means fragments, but it is very similar to Activity. The following content applies to versions 3.0 and

Hi，众猿们，今天讲讲安卓中通知的使用: 什么是通知：安卓系统用户发送消息的一种方式，当通知发出后，会出现在系统的通知栏上，当用户点击通知时，会进入到相应的界面（想象下当有新短信到来时的情况），一个默认的通知包含的内容为：  通知的基本使用方式：其代码如下(一般定义在上下文对象(如Activity)中)： //Get Notification Manager, notification is a system serviceNotificationmanager manager = (Notificationmanager) getsystemservice (Context.notification_service);//Initialize notification object p1: Notification icon p2: Notification status

controls： The ProgressBar control is easy to use, in the Android development, the default form is 1 of circular progress bar, that is, the representative has been waiting, this time can not see the actual progress achieved. So in the program we can set the shape of the progress bar, such as horizontal or vertical. There are 1 buttons in the interface, the first

I. Overview The default title bar for each application (note the difference from the status bar) is only one line of text (the name of the new project), and color, size, etc. are fixed, giving the feeling of a more monotonous. But when it comes to landscaping, changing the title bar is one of those things, and althoug

layoutbuilder.statusbardrawable = r.drawable.notification_icon;//Specifies the top level status bar small icon builder2.layouticondrawable = r.drawable.notification_icon;// Specifies the notification icon that appears when the drop-down status bar is Jpushinterface.setpushnotificationbuilder (1, builder1);there is a m

countservice = null; } }; protected void OnDestroy () {Super.ondestroy (); This.unbindservice (conn); LOG.V ("Mainstadyservics", "out"); }}Note: This place has friends that may appear onserviceconnected do not invoke the situation.The problem is that when the Bindservice method is called, the activity's onserviceconnected is recalled, and in this method a IBinder instance is passed to the activity, acitity need to save the instanceIn the service, you need to create an inn

talk about the specific programming implementation:You must make sure that your device supports Bluetooth and that he can use it. If your device supports Bluetooth, make it available. Of course, there are two ways, one is to turn on Bluetooth in your system settings, and the other is to start the Bluetooth function in your application, the first method will not speak, specifically a second method:First get the Bluetooth adapter Bluetoothadapter by ca

field includes "Default_vibrate", this property overrides the vibration *//** defined in the Vibrate field to add an LED light alert * Notification.defaults |= Notification.default_lights;* or can own LED reminder mode: * Notification.ledargb = 0xff00ff00;* Notification.ledonms = 300; Time of light * notification.ledoffms = 1000; Time to Extinguish * notification.flags |= notification.flag_show_lights;*//** more characteristic properties * notification.flags |= FLAG_AUTO_CANCEL; Automatically c

regardless of length * Assuming that the defaults field of notification contains "Default_vibrate", this property overrides the vibration *//** defined in the Vibrate field to add an LED light alert * Notification.defaults |= Notification.default_lights;* or can own LED reminder mode: * Notification.ledargb = 0xff00ff00;* Notification.ledonms = 300; Time of light * notification.ledoffms = 1000; Time to Extinguish * notification.flags |= notification.flag_show_lights;*//** Many other characteris

In Android development, network access to load a Web page requires a webview to display, which will make our app more flexible. Let's introduce some of the uses of WebView in Android today.Basic usage1.WebView with loading progress bar display:Mprogressbar.setmax ( -); Mwebview.getsettings (). setjavascriptenabled (true);//Set Webviewclient to receive different n

returned, and the OnCreate method is called, in the activity manifest file of the camera that calls the system, add android:configchanges= "orientaion| Keyboardhidden ", so the picture will be a vertical screen, you can get the data.8, about the picture caused by the oom problemIn the folder drawable can not put more than 1M picture, otherwise will report memory overflow (OOM) exception, you can choose to put in drawable-hdpi, or even larger resolution of the picture folder.9, about the

A glimpse of the source code of the AbsSeekBar parent class of the SeekBar Sliding bar in Android One of the controls in Android is ProgressBar, and one of its subclasses is AbsSeekBar. I believe many children's shoes are interested in the parent category of this drag bar! Especially when I see the progress

style placement) ② Method 2 View plaincopy to clipboardprint?Package = "com. andyidea"Android: versioncode = "1"Android: versionname = "1.0" type = "codeph" text = "/codeph">Android: theme = "@ Android: style/theme. notitlebar. fullscreen"Android: Label = "@ string/app

"android:layout_alignparentstart="true"android:layout_margintop="131DP"/>/relativelayout> ""Note the problem:1, if the layout of the overall move up, you can get the height of the status bar, the overall layout of the activity to add a paddingtop, method:int statusbarheight= 0;int resourceId = Context.getresources (). Getidentifier ("Status_bar_height", "Dimen","Android