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Start b.apk with a.apk, and B's icon is not visible on the phone's main screen.First, a new A, B two Android project (new HelloWorld project similar), in a project to increase the Click event (Launch button to launch the B app).Second, in the B application To modify the B manifest. xml XML version= "1.0" encoding= "Utf-8"?>Manifestxmlns:android= "Http://schemas.android.com/apk/res/
This article describes the Android programming implementation to get the title bar, status bar height, screen size, and simulate the home key method. Share to everyone for your reference, specific as follows: 1. Get the title bar height: /** * Get the height of the title bar * * @param activity * @return /public int Gettitleheight (activity activity
1, before the Android 4.0 version, can be in the activity of Onattachedtowindow Add the following code implementation: @Override public void Onattachedtowindow (){ GetWindow (). SetType (WindowManager.LayoutParams.TYPE_KEYGUARD_DIALOG); Super.onattachedtowindow ();}2, 4.0 after the version, the processing method is as follows:Define a constant yourself first:Public static final int flag_homekey_dispatched
This article transferred from: http://blog.csdn.net/zapzqc/article/details/42237935since Ionic updated the command-line tool, it is easy to modify the app icon and add splash screen later, the newest method is at the bottom:app icon:1. Create the Res folder under the entire project folder, and create two folders, Android
fit into widget instancesThe view of the widget instance is controlled by remoteviews, and the sample is made in a static way. Code snippets such as the following:public class Birthdaystoredata {... ...public static void Updateappwidget (Context context,int widgetid,string name, String date) {//"1" To set remote View information///1.1), Get remote View objectremoteviews views = new Remoteviews (Context.getpackagename (), r.layout.birday_widget); ///1.2), SetText () settings for remote viewView
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This problem was encountered in the project. Headache for a long time, always can not reproduce, and can not be solved well. Always after the interest screen for a period of time, it will be reported java.lang.IllegalArgumentException:No view found for the ID for .... Problem, and then the program crashes. I believe a lot of friends have the same problem as me. So how to solve this problem?After careful study of fragment's manager, here's what I found
Three solutions for black screen and white screen when Android starts an APPYou may wonder why some apps appear on the Activity page after a black or white screen for a while starting, but some apps are not like QQ mobile phones, it is true that we need to handle it here. Here, let's first look at why such a phenomenon
Generally, the Android app has a welcome interface when it is started, similar to the QQHD startup interface. Elegant and elegant. The heart is not as good as action, and you have time to achieve similar effects.It is easy to observe and find that the welcome page of QQHD is full screen. The following describes how an Android
Objective1, this problem troubled me n long n2, there are many solutions on the Internet, mostly set Lanchmodel although this can solve some problems, but can not be fully resolved, and I do not match the situationSolution:Programme one:1, if your program has a management activity stack, you can start logoactivity in the OnCreate to determine that the stack is the existence of other activity if it has its own direct finish + return. This is OK, but always feel a kind of unreliable feeling.Scenar
The Android monitor return key needs to override the OnKeyDown () methodHOME Button Keycode==keyevent.keycode_home @Override Public boolean onKeyDown (int keycode, keyevent event) { if (keycode = = Keyevent.keycode_back Event.getrepeatcount () = = 0) { //do someting return true; } Return Super.onkeydown (KeyCode, event); }Instance: Press the return key again to exit the appPrivate long exittime = 0
Project used, record, return key what the physical keys use onkeydown monitoring can be, but lock screen key, home button can not, here use Broadcast monitor both state changesIntentfilter Fragment:Mfilter.addaction (intent.action_close_system_dialogs);//home key mfilter.addaction (intent.action_screen_on); Open s
The page appears blank when you make an Android or iOS app callMy backend was developed in PHP. I am the first to call the unified next order generation, generate prepay_id pre-paid order number, the code is as follows: config[' money ') *100; $notify _url= $this->config[' Notifyurl ']; Notification url//set the unified Payment interface parameters//settings required parameters//appid filled, the merchan
[Go to] Android statusbar: Add back, home, and menu buttons Add the home, back, and menu menus to the system status bar on the android interface and complete the corresponding system functions. And the higlight effect is displayed
Add the home, back, and menu menus to the system status bar on the android interface and complete the corresponding system functions. And the higlight effect is displayed. Modify the height of the status bar and the text size on the status bar. This requires the android SDK to be modified. I use eclair. The following d
A requirement in the recent project is to determine whether our application is placed in the background. In the past, we simply thought that we could determine whether onuserleavehint () was executed in activty, this is a lie to the description of this method. The description is as follows: Called as part of the activity lifecycle when an activity is about to go into the background as the result of user choice. For example,When the user presses the Home
authorization process;-- recording screen : On the right side of any interface with suspended Windows, click on the Suspended window, will pop up the recording menu;2. Export the converted recorded videovideo conversion software download : http://www.jz5u.com/Soft/media/Conve1/45923.htmlExport converted video :-- Video location : SD card path/paimaster/video;-- Convert video : Open software, import Video, set GIF start and end points, click to export
support GIF play, but the project in this place to use GIF, so the GIF is divided into JPG files, and then played with a timer, When playback is complete, the new activity is loaded.Write the TimerTask class of the timer and rewrite the run () method.TimerTask Hello =NewTimerTask () {@Override Public voidrun () {if(Index ) {Index++; Message msg=NewMessage (); Msg.what=index; Handler.sendmessage (msg); }Else if(Index ) {Index++;//still a moment}Else{ //stop playback, start main
The Android APP simply and efficiently disables horizontal and vertical screen switching and androidapp By default, the Android APP interface changes with the mobile phone direction. When the mobile phone is in the portrait screen
resulting properties of these windows are shown in effect four. However, by -webkit-device-pixel-ratio adding some custom CSS with the media attribute, you can apply different styles. For example, the Web page shown in Figure 5 is a high-pixel image that is raised on a high-pixel device by setting the window properties and adding CSS.Targeting Device Density with JavaScriptAndroid browsing and WebView support a DOM property that allows querying the current device density-------window.devicepixe
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