incognito mode android history

compiles with the full Dex required? Perhaps some third-party reinforcement products choose not to compile at all, of course, developers and users do not know, because it shows that the program can run correctly, but the system in the art mode of running faster this advantage will never be reflected. so the problem with Dex's structural deformation is obvious, namely, compatibility and the compilation problem in art

Onsaveinstancestate () and onrestoreinstancestate () to restore activity status in Android,Is this sort of a memo model?1. Definition:The internal state of the object is captured without destroying the package, and the state is saved outside the object, so that the later saved state can be restored later;1. Function:Memo mode, which is suitable for classes that are complex in function but need to maintain a

Analysis on Activity Startup Mode in Android deep dialysis, androidactivityPreface: The Activity startup mode is a basic and easy to ignore problem, but it has a deep understanding of this issue and is very helpful for programmers to write a stable and efficient Android program. Today, under B's guidance, we made a goo

Android recording 24-WebView realize daytime/night reading mode, android24-webviewPreface This blog will share with you the use case of WebView to enable Android to call JavaScript code to control the daytime/nighttime mode. The official website provides a good description of how to use WebView. Building Web Apps in We

Boolean OnKeyDown(intKeyCode, KeyEvent event) {//Check whether the event is returned, if there is a page history if(KeyCode = = Keyevent.keycode_back webview.cangoback ()) {Webview.goback ();return true; }//If not a return key or no web browsing history, keep the default //System behavior (may exit the activity) return Super. OnKeyDown (KeyCode, event); }@Override Public void OnCl

in the process of Android development, intent is our most commonly used Android mechanism for in-process or inter-process communication. Intent is mainly used in 2 scenarios: initiating intent, broadcastingIts underlying implementation principle is not covered in this article, will be updated in the future.I will summarize the Activity Initiation mode and the ass

);return true; } }@Override Public Boolean OnKeyDown(intKeyCode, KeyEvent event) {//Check whether the event is returned, assuming there is a page history if(KeyCode = = Keyevent.keycode_back webview.cangoback ()) {Webview.goback ();return true; }//Assuming that it is not a return key or no web browsing history, keep the default //System behavior (may exit the activity) return Su

can register a datasetobserver type object for the activitychoosermodel object in the activitychooserview object. The activitychoosermodel object sends a Data Change Notification to the activitychooserview object through this object. Activitychoosermodel adopts the policy mode for sorting intent-compliant activity records (stored in the array list as activityresolveinfo) obtained from the Package Manager using intent, the sorting method is encapsulat

use of the Internet to store the data we want, this is the CS structure storage mode, but also a point of name. How to use the Content Provider Below are several typical content provider applications that users often encounter: * Content Provider name:intended Data * browser:browser bookmarks, Browser history, etc. * Calllog:missed calls, call Datails, etc. * Contacts:contact Details * mediastore

Using Sharedpreferences to save data, the essence is to use the XML file to store data,Storage location:/data/data/Write: PublicvoidWriteData (view view) {// Instantiate the Sharedpreferences object, parameter 1 is the name of the stored file, parameter 2 is the way the file is opened, and when the file does not exist, it is created directly, and if it exists, it is directly used Sharedpreferences mysharepreferences =getsharedpreferences ("test" Activity.mode_ PRIVATE); // Instantiate Sharedp