how to restart system ui in android

UI-related problems (incorrect image, spent image, no image, black screen, white screen, or floral screen) are difficult to locate through ordinary mobile log. layer dump, window log, and view system log must be used for analysis. Note: Because the log volume is large, you must describe the operation process of the log in detail to quickly locate the problem range, and describe the time when the problem is

elements in the Contview layout file layout file XML to view Layoutinflator class is a tool class specifically designed to resolve layout files into view instances Get Layoutinflator instances Method activity in Getlayoutinflator () internal static method Layoutinflator.from (context) System SERVICE Acquisition: (layoutinflator) Getsystemservice (context.l

Android.graphics.Rect class, which is similar to Android.graphics.RectF, differs in that the coordinates of a RECT class are represented by shaping, while the coordinates of RECTF are represented by a single-precision floating-point type. Everyone here must pay attention to AH. Seven, point class Android.graphics.PointThis class literally means that it is related to dots and is a point object class.This class has two properties, namely: x-coordinate and y-coordinate.There are three constructors

/resourceid, where resourceId represents the resource ID of the image, and if we want to change the background of our entire interface,You can find the top layout first, and set its android:background= "@drawable/background" in its label.9:android:onclickStarting with Android1.6, the view has one more Android:onclick property that allows you to directly define the method name of the Click event in the Activity class of the current layout file.The definition of the method is consistent with the C

// No title bar RequestWindowFeature (Window. FEATURE_NO_TITLE ); // Full screen display (hide the status bar) // Call getWindow (). addFlages (WindowManager. LayoutParams. FLAG_FULLSCREEN) before setContentView ); Androied-programming UI/layout Switching LinearLayout linearLayout = new LinearLayout (this ); LayoutParams = new LinearLayout. LayoutParams (ViewGroup. LayoutParams. FILL_PARENT, ViewGroup. LayoutParams. FILL_PARENT ){ TextView = new Tex

The Android Themes.xml and Style.xml (located in \base\core\res\res\values\) contain a number of system-defined style, suggesting that you pick the right one and then inherit the changes. Threme Android themes are typically used at the form level to change the form style 1, Theme: It means the default state, that is, if theme does not fill in any attributes he

| Gravity.center_vertical;text2.setlayoutparams (params);//Add a click event for the Text2 component and add the component to the Layout manager Text2.setonclicklistener ( New Onclicklistener () {public void OnClick (View arg0) {new Alertdialog.builder (mainactivity.this). Settitle ("System Prompt"). Setmessage ("The game is risky, enter need to be cautious, really want to enter?") "). Setpositivebutton (" OK ", new Dialoginterface.onclicklistener ()

Overview:I think when we use some apps, there should be no "bare controls". Unless it is software in some system, it is to maintain the consistency of style, make some trade-offs. I'm not here to accuse Android native controls of not looking good, honestly, I like some native controls for Android. Just some time for the consistency of style, you have to spend som

effects, It is therefore not recommended to use conflicting properties at the same time.The system will try to adapt to all of the properties, causing the component to be stretched to a strange look.3 XML attributes that can be set to other UI component IDs onlyDescription: These zodiac are the core attributes of Realtivelayout, which are the properties that determine the layout of each sub-component.The f

Dialogs are an integral part of Android, and you need to use the Alertdialog.builder class when using a dialog box. Of course, the System Default dialog box, you can also customize the dialog box, if the dialog box set the button, then you want to listen to the event Onclicklistener. The following is an instance of a Alertdialog.builder class and a custom dialog box, when clicked OK, transfer to the Login

Android has its own clock UI component, AnalogClock and DigitalClock, respectively, for analog and digital clocks. 1.AnalogClock You can customize the dial, hour and minute hand. As follows, just set it in the XML file. - analogclock android:layout_width = "Wrap_content" android:layout_height= "Wrap_content" android:dial= "@drawable/ Watch " android:hand_

To create a dynamic or multi-panel user interface on an Android system, you need to encapsulate the UI component and activity behavior as a module, allowing it to switch between display and hide in your activity flexibly. You can use Fragment classes to create these modules, which can behave like nested activity, which define their own layouts and manage their ow

android-Optimizing UI Performance (1)-reduces the blocking time of the main threadone reduces the blocking time of the main threadAndroid has provided a way to implement Asynctask to generate new asynchronous tasks from the main thread.Define and implement the following classes (methods are automatically called by the system): Public class downloadfilesasynctask

The pop-up window system in APP development should not be ignored by UI designers.1. pop-up window Definition Pop-up windows can be divided into modal pop-up windows and non-modal pop-up windows. Pop-up window category Modal pop-up window: it is easy to interrupt the user's operation behavior. The user must respond; otherwise, no other operation can be performed. Non-modal pop-up window: it does not affec

Activity: The basic page unit, activity contains a window,window on which you can draw various viewView: The most basic UI component that represents a rectangular area on the screen;Window: Represents the top-level windows, manages the display of the interface and responds to events; each activity creates aPhonewindow object, which is an interface for activity and the entire view system to interactPhonewind

Samsung has always had a tradition of customizing the Android interface, with the TouchWiz interface installed in a variety of Galaxy devices. Now, the Galaxy S5 Android interface has been exposed, science and technology website Sammobile exclusively issued a number of Galaxy S5 system interface, let's take a look at it.The s