I have the following code to prevent the buttons to stay focused after they are clicked. It works perfectly for desktop but it doesn't work at all when testing on mobile devices (Both iOS & Android), I'm not sure if I'm missing something here (I already tried replacing click with touchstart and touchend).
this.renderer.listen('document', 'click', (event) => {
if (event.target.nodeName === 'BUTTON') {
event.target.blur();
} else if (event.target.parentNode.nodeName === 'BUTTON') {
event.target.parentNode.blur();
}
});
Ok so I figured it out, in case anyone ever comes across this situation:
It WAS actually working, but on mobile devices an "emulated" hover is also applied after pressing buttons, so what I was seeing was the hover state, not the focus one.
I fixed it by wrapping the hover style of my button inside this block, to make sure that the device supports ACTUAL hover (e.g. using a mouse):
#media (hover: hover) {
your-element:hover {
//hover style
}
}
I am developing mobile app with ionic having splash & launch screen.
As of now, I am using below code to do my configurations & initiations and then hiding my splash screen.
angular.element(document).ready(function () {
// config & initiations
ionic.Platform.ready( function() {
if(navigator && navigator.splashscreen){
navigator.splashscreen.hide();
}
});
});
Also, I am using double tap exit at first launch page with below snippet.
.factory('backcallFactory', ['$state','$ionicPlatform','$ionicHistory','$timeout',function($state,$ionicPlatform,$ionicHistory,$timeout){
var obj={}
obj.backcallfun=function(){
var backbutton=0;
$ionicPlatform.registerBackButtonAction(function () {
if ($state.current.name == "register") {
if(backbutton==0){
backbutton++;
window.plugins.toast.showShortCenter('Press again to exit');
$timeout(function(){backbutton=0;},5000);
}else{
navigator.app.exitApp();
}
}
else{
$ionicHistory.goBack();
}
}, 100);
}
return obj;
}])
So in launch page, if i click back button twice in 5 seconds and it gets closed.
I could see app is still open in open apps list. (first or last button in android phones).
The problem is, if I relaunch the app after double tap to exit , then it is showing white screen for a while and showing launch screen (but no splash screen). I checked in other popular apps having double tap to exit function are showing splash screen again and launch screen without white screen.
How can I achieve the same in my app.
I had the same issue. It works fine by downgrading to version 2.0.0 of cordova-plugin-splashscreen.
You can refer to https://issues.apache.org/jira/browse/CB-9374.
I'm trying to control how the android hardware back button behaves in my app. I had it all working but now I can't reproduce it. The code I'm using is in app.js. I'm expecting the back button to do nothing but write to the console.
.run(function($ionicPlatform) {
$ionicPlatform.onHardwareBackButton(function() {
console.log("!!!!!!!!!!!!!!!!!!!!!!!!!!!")
});
Can any one see what the problem is? I'm running ionic CLI v1.7.11. I'm running the code with ionic view on android
You can find full details, including a full working solution for both hard & soft back buttons at my related post:
Ionic override all BACK button behaviour for specific controller
To summarise how I handled the hardware back button, the trick is to register an action for the Back button, using code like this:
var doCustomBack= function() {
// do something interesting here
};
// registerBackButtonAction() returns a function which can be used to deregister it
var deregisterHardBack= $ionicPlatform.registerBackButtonAction(
doCustomBack, 101
);
$scope.$on('$destroy', function() {
deregisterHardBack();
});
The actual setting is done in that second block calling $ionicPlatform.registerBackButtonAction().
This returns a method that can be called to deregister the action later on if you want to.
It was a ionic view problem. Seems it does not support this.
I am using this bootstrap modals (popups) and they work great in my browser. The problem is, when I launch them on android using phonegap, they do not close when the close button is pressed. When I click on the ovelay next to the popup, everything seems to be working alright ;/ I am very confised...
EDIT: I use exactly the same code as in the example and something goes wrong...
I added this function to my angular.js controller:
$scope.closeModal = function (idOfModal) {
$(idOfModal).modal('hide');
}
And also to the confirm/save buttons of modals, after the controller's function is executed, at the very end again I add $(idOfModal).modal('hide');, where I also pass idOfModal to the function ;)
I would like to disable or override the Android Back button while I am navigating pages on the InAppBrowser. Can I add an event listener that can handle that?
EDIT:
Looking at the answer by #T_D below the solutions provided are the closest I could get to. It does not seem to be possible to override the button in InAppBrowser as all the PhoneGap tweaks stop working while navigating pages on this plugin. I was not able to find any other solution rather than modifying the API library. If there are any PhoneGap guys here and know something more, I 'll be glad to get some comment. Thanks.
The closest I got:
var ref = window.open('http://apache.org', '_blank', 'location=yes');
ref.addEventListener("backbutton", function () { })
According to the documentation the behaviour of the hardware back button can be configured now for the InAppBrowser:
hardwareback: set to yes to use the hardware back button to navigate backwards through the InAppBrowser's history. If there is no previous page, the InAppBrowser will close. The default value is yes, so you must set it to no if you want the back button to simply close the InAppBrowser.
Thanks to Kris Erickson.
So just update your InAppBrowser plugin if the backward navigation is the desired behaviour.
For more details see: https://github.com/apache/cordova-plugin-inappbrowser/pull/86
You can do it quite easily now (as of InAppBrowser version 0.3.3), but you will have to edit the Java files. Go to src/com/org/apache/corodova/inappbrowser directory and edit the InAppBrowserDialog.java:
Change
public void onBackPressed () {
if (this.inAppBrowser == null) {
this.dismiss();
} else {
// better to go through the in inAppBrowser
// because it does a clean up
this.inAppBrowser.closeDialog();
}
}
to
public void onBackPressed () {
if (this.inAppBrowser == null) {
this.dismiss();
} else {
if (this.inAppBrowser.canGoBack()) {
this.inAppBrowser.goBack();
} else {
this.inAppBrowser.closeDialog();
}
}
}
Then go to InAppBrowser and find the goBack function, change:
/**
* Checks to see if it is possible to go back one page in history, then does so.
*/
private void goBack() {
if (this.inAppWebView.canGoBack()) {
this.inAppWebView.goBack();
}
}
to
/**
* Checks to see if it is possible to go back one page in history, then does so.
*/
public void goBack() {
if (this.inAppWebView.canGoBack()) {
this.inAppWebView.goBack();
}
}
public boolean canGoBack() {
return this.inAppWebView.canGoBack();
}
And now the hardware back button will go back until there are no more backs to do. I really think this should be the default behavior in android since the Done button already closes the InAppBrowser window.
This worked for me in PhoneGap 2.7, help came from here, How do I disable Android Back button on one page and change to exit button on every other page
document.addEventListener("deviceready", onDeviceReady, false);
function onDeviceReady() {
document.addEventListener("backbutton", function (e) {
e.preventDefault();
}, false );
}
I was having this same issue and finally got it to work, I'll post the answer here in case it helps someone.
This is the code I use:
window.new_window = window.open(url, '_blank', 'location=no');
window.new_window.addEventListener("exit", function () {
window.new_window.close();
});
So the key basically is to attach the exit event, which gets called when the back button of the device is tapped.
BTW, I used cordova.js, and build my apps locally using the Cordova CLI, I don't know if that makes any difference, I mention it just in case.
EDIT NOTE: As far as I know, it's not possible to override the back-button for the InAppBrowser in PhoneGap. But I did my best searching for possible solutions...
There's an eventListener to override back-button in PhoneGap -doesn't work for InAppBrowser-
function onDeviceReady(){
document.addEventListener("backbutton", onBackKeyDown, false);
}
Alternative eventListener to override back-button -the OP said this didn't work either-
var ref = window.open('http://www.stackoverflow.com', '_blank', 'location=yes');
ref.addEventListener("backbutton", function () {
//logic here
})
Overriding the Back-button in an Activity -this is plain java, obviously didn't work in PhoneGap-
#Override
public void onBackPressed()
{
//logic here
}
Conclusion:
Above solutions didn't work, following links (this answer, this one and a third one) didn't help either. So it's highly possible that overriding the back-button for the InAppBrowser in PhoneGap is not possible. If someone does come up with a solution or if things changed for a new PhoneGap version feel free to let us know...
EDIT:
Installing this plugin may take you to closest solution:
cordova plugin add org.apache.cordova.inappbrowse
What this plugin will do, in WP8, it will overlay back/forward/close button on InAppBrowser whenever you open any link/page in it.
See this image:
Use jQuery mobile:
$(document).on('backbutton',
function(e){
e.preventDefault();
// YOUR CODE GOES HERE
});
Running Cordova 5.1.1 and when i load pages in the inappbroswer i like having the back button work until the inappbrowser exits back to my index.html page because it's blank and just sits there. So i used the following code to fix this. It exits the app when it exits the inappbrowser.
window.open = cordova.InAppBrowser.open;
var ref = window.open(url, '_blank', 'location=no');
ref.addEventListener('exit', function () {
navigator.app.exitApp();
});
As far as I know it's not possible to override or detect the back button from inAppBrowser. When you press the back button, inAppBrowser will hide and return control to the Phonegap page. You can catch this with the focus event on the window, (using jQuery) like
var browser = window.open('http://example.com', '_blank', 'location=no');
$(window).on('focus', function() {
browser.show();
});
to reopen the browser. You could then use browser.executeScript() to signal the webapp loaded in the browser, if you like.
Inspired by this forum post.
I know this question has an answer already but I post my answer for those who any of these answers didn't work for them(such as myself):
so I have a multi page app for android and IOS and I am using cordova 5.x and I added the code below in every page except the page I needed InAppBrowser:
delete window.open;
and then for the rest of the pages I used:
document.addEventListener("backbutton", onBackKeyDown, false);
function onBackKeyDown(event) {
// your code for handling back button comes here
}
for handling back button
note that: delete window.open; base on the documentation
manually restore the default behaviour of 'window.open'
after that InAppBrowser plugin worked great and I handled back button in all pages correctly.
one last thing don't forget to add:<script type="text/javascript" charset="utf-8" src="cordova.js"></script> in pages you need to have InAppBrowser.
hope this help.