home button not working android

Android back home key MonitorBack key MonitoringThe back key is easier to listen to, and can be intercepted in multiple systems, such as the following events in the activity:@Override Public voidonbackpressed () {//super.onbackpressed ();//comment out this line, back key does not exit activitylog.i (Log_tag,"Onbackpressed"); } @Override Public Booleandispatchkeyevent (KeyEvent event) {log.i (Log_tag,"Dispat

2.2 Disable the System home key, not here to say.Recent projects have a requirement to disable all keys for the system, like menu, home, back. Also, if you want to click the response and view pop-up. Is that the UI part is normal.Back key our own onkeydown disabled good happy.Personally think the simplest wording, please visit:http://blog.csdn.net/yiding_he/article/details/38527813The key here is to disable

Http://www.linuxidc.com/Linux/2015-01/111958.htmNow because Gwf,google basic and we say we met, and now in the Android or want to learn Android friends brought a lot of inconvenience, the simplest is the Android SDK Manager you can not update.Now here's a solution, as follows.1. Launch Android SDK Manager, open the mai

For example, an Android program contains two activity, mainactivity and otheractivity,mainactivity for program-initiated activity. If the program is located in Otheractivity, click the Home button, the program returns to the desktop,In the second click of the program icon, the program will automatically restart by default, that is, to re-enter mainactivity, rathe

For example, an Android program contains two activity, mainactivity and otheractivity,mainactivity for program-initiated activity. If the program is located in Otheractivity, click the Home button, the program returns to the desktop,In the second click of the program icon, the program will automatically restart by default, that is, to re-enter mainactivity, rathe

); MainActivity.this.startActivity (Intent); } }); Method 4.The label directly labels the trigger event (Button) Findviewbyid (R.ID.BTN4). Setonclicklistener (New View.onclicklistener () {@Override public void O Nclick (View v) {Intent Intent = new Intent (mainactivity.this, Buttonactivity4.class); MainActivity.this.startActivity (Intent); } }); @Override public boolean Oncreateoptionsmenu (Menu menu) {//Inflate the menu; This adds the items to

Today, when creating an application, you need to use a method similar to pressing the return key of QQ and not destroying the Activity (that is, do not call the Activity. finish (), the system does not call onDestroy), but is similar to pressing the Home Key to make the Activity similar to "paused" (that is, only onPause and onDestroy are called ). I first thought of the Override onKeyDown method. However, after debugging, I found that when the

In Level5 above (included), the method in the Activity class: Publicvoid Onattachedtowindow () captures the home key. The specific code is as follows: Mainactivity.java package com.lingdududu.test; Import android.app.Activity; Import Android.os.Bundle; Import android.view.KeyEvent; Import Android.view.WindowManager; Import Android.widget.Toast; The public class Mainactivity extends activity {/** called the ' when ' is the ' The activity

voidDelete () { the //Get Notification Manager AboutNotificationmanager Manager =(Notificationmanager) Getsystemservice (notification_service); the Manager.cancel (ID); the the } + -}Frequently used program notifications, displayed to the top bar of the main page.XML file:1 Relativelayoutxmlns:android= "Http://schemas.android.com/apk/res/android"2 Xmlns:tools= "Http://schemas.android.com/tools"3 Android:layout_width= "Match_parent"4 And

Address: http://blog.csdn.net/you_and_me12/article/details/7284749 Recently I am working on my own applications. I need to use it to determine whether it is the current desktop or not. I have referenced some articles, some of which have been mentioned but are not clear. The code in this article has been put into practice and is for reference only! 1. First, obtain desktop applications (original system applications, go desktops, etc) Analysis: 1) these

Back keyAndroid programs do not have to deliberately quit, when you press the back of the phone, the system will default to call the top activity in the program stack Destroy () method to destroy the current activity. When this activity is started again by other activity, the OnCreate () method is called again to create, and when all activity in the stack pops up, the application ends. If there is a service in the program, It is possible to listen to the processing in the right place.Home KeyAnd

= -; } Break; } itemview.setlayoutparams (LP); ... }Determine the type of the item by its position in Onbindviewholder, and then set the item's span (and the number of columns), height (altitude, not set to the item itself)Which is the best option?Of the 3 scenarios above, there is no doubt that the second is the best solution, without the introduction of too much reliance, fully using the features of the Recyclerview layout manager to achieve the best performance. The third scenario

Today we'll talk about how to customize the animation effect of the return button in Andorid. I'll explain how to use it with a practical application. First look at an effect screenshot, there is a search button at the top of a page: I realized before the way is the same as Baidu/google home search results, similar to the AJAX request in Web development, the