mobile

问题 Why do we use the sqlite data base in android.I am developing an android application where the data is to be fetched from the server and do some data calculation and show it on the UI. Is it good for me to fetch the data into the sqlite DB and update the UI on regular interval from the sqlite in evry 20 minutes or will it be good to sent the Http get request to the server and update the data from teh response on the UI. I wanted to know which one will be better and why?Why to involve sqlite

问题 I am developing a mobile based web-site, there I have integrated Google Maps, I need to fill the 'From' field of Google Maps dynamically. Is it possible to get the GPS location from web browser and fill it up in the 'From' field of a Google Map dynamically? 回答1: If you use the Geolocation API, it would be as simple as using the following code. navigator.geolocation.getCurrentPosition(function(location) { console.log(location.coords.latitude); console.log(location.coords.longitude); console

问题 I am building an app that has two APKs: one for tablets and the other for mobiles. The tablet version won't use the drawable of the mobile APK and vice versa. I want to do this because of APK size. Can anyone give me pointers how to achieve this? I tried to use flavors for this but it can make the two APK. 回答1: You can use Android Flavors for this purpose. android { ... defaultConfig {...} buildTypes {...} productFlavors { tablet { applicationIdSuffix ".tablet" versionNameSuffix "-tablet" }

问题 I cannot add new object to array. Why? var messagesArray = [ {message: "Hello", style: styles.nikkiMes}, {message: "Okkkk", style: styles.userMes} ]; this.state = { messagesSource: ds.cloneWithRows(messagesArray.slice()), inputMes: '' }; Adding: this.state.messagesArray.push({ message: this.inputMes, style: styles.userMes }); this.setState({ messagesSource: ds.cloneWithRows(this.state.messagesArray.slice()) }); The error, which i got: undefined is not object (evaluating 'this.state

问题 I have a link which makes a search. So far, it's working. The issue is when I want the search to be done through hiting the 'enter' button. So: $('#searchedText').on('keypress', function(e) { console.log("writed"); if ($(this).val().trim().length > 2) { if (e.which == 13) { console.log("Passed condition"); app.search = $('#searchedText').val(); // HERE'S WHERE I NEED TO TRIGGER RATCHET's PUSH } } }); I tried to change window.location - Doesn't work I tried to trigger tap & click event - Doesn

问题 I have a link which makes a search. So far, it's working. The issue is when I want the search to be done through hiting the 'enter' button. So: $('#searchedText').on('keypress', function(e) { console.log("writed"); if ($(this).val().trim().length > 2) { if (e.which == 13) { console.log("Passed condition"); app.search = $('#searchedText').val(); // HERE'S WHERE I NEED TO TRIGGER RATCHET's PUSH } } }); I tried to change window.location - Doesn't work I tried to trigger tap & click event - Doesn

问题 I would like to embed a youtube video (with the standard iframe). Can I ensure that the video is played in the youtube app, if it is clicked on using a smartphone? For completeness my video including code (using bootstrap 3.3.1.): <div class="embed-responsive embed-responsive-16by9"> <iframe class="embed-responsive-item" src="https://www.youtube.com/embed/<?php echo $Elem->video; ?>"> </iframe> </div> Thank you 回答1: I'm just trying to do the same thing and I can tell you that there is no

问题 I have the following code that is working in safari and chrome on my desktop but is not working on my iphone or samsung galaxy S4... the code that isn't working on my mobiles is the click function on the form - with each selection #maxfriends should update and when the user has chosen 45, 49, 50 or > 50 friends a pop up should display warning them that they are getting close to the limit. This all works perfectly in safari and chrome on my imac just can't figure out why it is not working on

问题 I have the following code that is working in safari and chrome on my desktop but is not working on my iphone or samsung galaxy S4... the code that isn't working on my mobiles is the click function on the form - with each selection #maxfriends should update and when the user has chosen 45, 49, 50 or > 50 friends a pop up should display warning them that they are getting close to the limit. This all works perfectly in safari and chrome on my imac just can't figure out why it is not working on

问题 I have found non rooted apps which are capable of hide home button from bottom system bar of tabs (not all the devices but many of samsung tabs) & disabling (not hiding) right side wifi, settings entering panel in system bar (worked in all the testing devices). Good example is remote lock screen of Lookout premium app with BIND_DEVICE_ADMIN permission. This lock screen appears on top of the native android lock screen it has these features work in many devices. Is there a way to create an