Android PopupWindow is a pop-up box with similar likes and comments. androidpopupwindow
This article simply imitates the likes and comments pop-up boxes in the circle of friends. Ignore the layout and other details, and focus on implementing the pop-up box and Position Control.
1. Dialog Box
The likes and comments in
(reason.equalsignorecase ("HomeKey")) {///////To Mask Home key//Do some of your own actions here, such as re-opening your lock screen program interface, It's not going to go away. System.out.println ("Home key is triggered");} else if (reason.equalsignorecase ("Recentapps")) {//Shielded Home key Long press method Syst
Android development skills-similar to the new version of QQ screen lock pop-up window, android development skills
The new version of qq can display qq messages in the pop-up window under the screen lock. This function is also requ
Home screen is the most important application of a mobile phone, just like the homepage of a portal website, which directly determines the user's first impression. The following is a brief analysis of home screen.
The home screen
Android operating system for In addition, if the user wants to add an app shortcut to the device's home screen, you can press and hold the app's icon in launcher, and the Android system will automatically add a shortcut to the app on the home
to describe the current state of a device. These features include: orientation of the screen, screen density, screen size, keyboard type, docking mode, language, and so on.
Imagine a small pop-up window that partially obscures the current activity interface. When it appears, the masked activity is suspended by the
/birthday_width_provider.xml and the contents are as follows.Appwidget-provider Xmlns:android= "Http://schemas.android.com/apk/res/android"Android:minwidth= "150DP"Android:minheight= "120DP"Android:updateperiodmillis= "43200000"Android:initiallayout= "@layout/birday_widget"android:configure= "Cn.wei.flowingflying.testwidget.ConfigBirthDayWidgetActivity"Android:previewimage= "@drawable/gift"Android:resizemode= "Horizontal|vertical" >In the widget list,
Android development skills-imitation of the new version of QQ screen lock pop-up window
The new version of qq can display qq messages in the pop-up window under the screen lock. This function is also required for projects currently in progress. After a variety of experiments
On the android unlock page, plug in USB to open the USB storage settings page. Press the HOME Key/Return key to directly return to launcher, instead of sliding the screen lock page.1) If you disable setting -- developer options -- USB debugging disable, it indicates that the current user mode is used, and USB is inserted under the
);
//own code
}
The four flag bits as the name implies, are displayed in the lock screen state, unlocked, keep the screen long bright, open the screen. When the activity starts, it unlocks and displays the screen.Then in the Androidmanifest.xml file, the declaration of the activity needs to be added to the following attributes:[HTML]View Plaincopy
act
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
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
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
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 = 0x80000000;Then, in OnCreate, add the code
An Android animation of the actual content, from the bottom of the screen slide pop-up Popupwindow. Believe that this effect you have encountered in many apps, such as the need to take photos or from the SD card to choose pictures, such as the need to share something, most will adopt such an effect:
How can this effect be achieved?Let's write an example of thi
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
system will not enter sleep phenomenonRefer to the following method to have the dialog box appear above the lock screenThe OnCreate method is usedRequestwindowfeature (Window.feature_no_title); Hide TitleWindow win = GetWindow ();Windowmanager.layoutparams winparams = Win.getattributes ();Winparams.flags |= (WindowManager.LayoutParams.FLAG_DISMISS_KEYGUARD| WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED| WindowManager.LayoutParams.FLAG_ALLOW_LOCK_WHILE_SCREEN_ON| WindowManager.LayoutParams.FL
The specific method of operation is as follows:
1. Under the Standby page, click "Contact".
2. Select a contact person according to your needs.
3. Click on the lower left corner of the "menu" button, and Move up the option box to select "Add Home Shortcuts."
After the above, the contact is successfully added to the main screen page, click on the contact icon to see contact details.
The pop-up screen is the splashscreen. It can also be called the startup screen, that is, when the screen is started, it will be flashed (displayed) and automatically closed after several seconds.
The implementation of Android is very simple. It can be implemented using the
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