Solving typical Android development problems
Things are not always working as they should during your Android development. This section gives an overview over typical problems and how to solve them. Clean Project Several users report that they get the following errors: Project ... is missing required source folder: 'gen' The project could not be built until build path errors are resolved. Unable to open class file R.java. To solve any of these errors, go to the project menu and select Project → Clean. If you have library projects, make sure to clean them too. android.content.ActivityNotFoundException During start or during execution of your application, your application stops. In the LogCat view you see the message: android.content.ActivityNotFoundException : Unable to find explicit activity class; have you declared this activity in your AndroidManifest.xml? Check in this case if you declared your activity in the AndroidManifest.xml file. Problems with Android Debug Bridge (adb) The communication with the emulator or your Android device might have problems. This communication is handled by the Android Debug Bridge (adb). Eclipse allows you to reset the adb in case this causes problems. Select therefore the DDMS perspective via Window → Open Perspective → Other... → DDMS LogCat The LogCat view shows you the log messages of your Android device and helps you to analyze problems. For example Java exceptions in your program would be shown here. To open this view, select Window → Show View → Other... → Android → LogCat. Java7 If Android complains that you cannot use Java7 select your right-click on your project and select the Java Compiler entry. Ensure that Java 1.5 or Java 1.6 is used. You may have to select the Enable project specific settings checkbox. Eclipse reports file from R.java as missing Sometimes Eclipse complains that a file, e.g. R.layout.main cannot be found. Check in your source code that you did not import android.R. An android.R import will prevent Eclipse from finding your R file. Solving not so typical Android development problems This sections lists problem which happen sometimes but are not that frequently as the problems from the previous section. java.lang.IllegalArgumentException: Binary XML file Duplicate id Caused by an attempt to load the same fragment twice. The second time it is added to the FragmentManager this exception is thrown. Solution: ensure that each fragment is only added once to an activity. Android editor not opened Android provides nice editors to edit Android resource files, unfortunately these editor are not always automatically used due to bugs in the ADT. If that happens, you can open this editor manually. Right-click on your menu file and select Open with → Android Menu Editor. Emulator does not start If your emulator does not start, make sure that the android-sdk version is in a path without any spaces in the path name. Timeout during deployment If you face timeout issues during deployment you can increase the default timeout in the Eclipse preferences. Select Window → Preferences → Android → DDMS and increase the ADB connection timeout (in ms) value. Installation failed due to insufficient storage Sometimes the emulator will refuse to install an application with the error message: INSTALL_FAILED_INSUFFICIENT_STORAGE. An Android virtual device provides by default only 64M for the storaging Android applications. You can clean your installed application by restarting the emulator and selecting the Wipe user data flag. Alternatively you can set the data partition size. If you press edit on the AVD, you can set the Ideal size of data partition property via the New button.
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Android Activity is the fundamental building piece of an Android App. We have as of now seen this in the part enumerating Android Basics. Android Activity dependably has a User Interface. Android applications comprise of one or numerous Activities. We likewise saw that to tell Android, which action to open when the application is dispatched, we characterized Main Activity in Manifest.xml. An Android Activity has a Lifecycle amid which it performs a couple of things. The principal inquiry when perusing about Lifecycle of Activity Lifecycle is - Why is it obliged ? How about we comprehend it with an illustration. Accept you are playing an amusement on your telephone, you are at level 2 and abruptly somebody calls you. When you get a call, your diversions stop and you see the Caller Id Screen. When you continue your amusement after the call closes, it gets continued from the same point where you cleared out it. Presently accept you are a diversion engineer. For you, there ought to be an approach to spare the amusement state. Correct? In what capacity will this happen? To make designer's life less demanding, Android has something many refer to as Activity Lifecycle. Consider Lifecycle to be an accumulation of callback capacities getting called at whatever point something happens to your application (or Activity to be more precise).the above picture shows different capacities like 'oncreate()', "onstart()" which gets called at different purposes of an Activity Lifecycle. How about we take a gander at each of the routines/capacities in subtle element. Oncreate oncreate() is called when your Activity is getting made shockingly. It is called just once amid the whole Activity Lifecycle. One of the paramount things you should do is to situated the Activity Layout through setcontentview capacity. Likewise, you can utilize oncreate to instate your variables. In any Android application, at whatever point you make an Activity, the base technique which you have to override is oncreate. class Mainactivity broadens Activity @override ensured void oncreate(bundle savedinstancestate) { super.oncreate(savedinstancestate); setcontentview(r.layout.activity_main); } end On the off chance that you recognize, Oncreate capacity is getting passed a variable of class Bundle. Group is regularly used to store the condition of your Activity. Take the illustration of screen pivot, amid which your Activity gets murdered and Oncreate is called once more. You can figure out whether the Activity was at that point there utilizing Bundle so you don't need to make the Activity once more. Why is this essential, envision you have a structure and client has effectively filled a percentage of the fields. All of a sudden the client pivots his screen. Utilizing Bundle, Android holds the estimations of these fields and re-populates the information after pivot naturally. The estimation of Bundle will dependably be invalid when Activity is getting made surprisingly. Onstart: onstart gets called just before the Activity gets to be obvious to the client. On the off chance that you recognize, onstart is called from two spots - after onrestart and Oncreate. onstart is constantly trailed by Onresume or Onstop. You can utilize onstart to reset Activity information, reinitialize variables and so forth. Onresume: onresume gets called when your Activity comes into the forefront, and it gets to be noticeable to the client. Right now, the Activity is on top of the Activity stack, and the client can begin collaborating with the Activity. onresume is ordinarily used to enlist Listeners, tie to Services and so forth. onresume is a decent place to invigorate your UI with any new changes which may have happened amid the period in which the Activity was not noticeable. Case in point, in the event that you are surveying a Service out of sight (like checking for new tweets), onresume is a decent place to redesign your screen with new comes about. Onpause: onpause is called when an alternate android movement goes ahead top of your Activity. Normally anything that takes your client far from your Activity will bring about onpause. In Onpause, we either discharge the assets, or recovery the application information, or stop foundation strings and so forth. It is constantly ensured that at whatever point your Activity is getting to be undetectable or part of the way imperceptible, onpause will be called. At the same time once onpause is called, Android maintains all authority to kill your Activity anytime. Subsequently you ought not be depending on accepting any further occasions. Onstop: onstop is called when your Activity is no more unmistakable to the client, it is like onpause yet here you won't see your android action completely. You can utilize this system too to store the condition of your application and close down time concentrated or CPU serious operations. This technique is ensured to be called as of API level 11. So what is the distinction in the middle of onpause and Onstop ? In the event that an Activity comes into the frontal area and fills the screen such that your current movement is not in the slightest degree obvious, your current android action will be called with both onpause and onstop . On the off chance that, in any case, an Activity that comes to forefront does not fill the screen and your current Activity is in part noticeable, your current Activity will be called with just onpause. Ordinarily at whatever point you see a dialog box which requires your consideration like battery low, organize association your current android action gets to be incompletely obvious and popup box goes ahead the top. This is the point where just onpause will be called. Onrestart: It is like oncreate, however onrestart gets called just after onstop. This is the system which you can use to know whether your application is beginning anew or getting restarted. In onrestart, you will get your application to spare the state and reinitialize all the variables. onstart gets called after this. Ondestroy: This is the technique which will be called when your Activity is getting slaughtered. This is the last call the Activity will get in its Lifecycle. At the point when the client press back catch on any Activity the closer view action gets crushed and control will come back to the past Activity. Using MIT App Inventor to Create Awesome Android Apps
The Java essential has everything except been evacuated because of the presentation of application building apparatuses, for example, the MIT App Inventor. As a novice, the App Inventor is an influential instrument that permits you to make utilitarian applications without any earlier programming background. You will most likely get some Java as you utilize the App Inventor, yet don't be disheartened on the off chance that you are new to Java or whatever other programming dialect besides. The system furnishes you with a "move and customize" interface with GUI (Graphical User Interface) components that are preconfigured with legitimate coding. Don't be tricked by that it is so natural to make an Android application with the App Inventor. The project additionally offers a huge number of cutting edge emphasizes that can be utilized to make rather mind boggling applications as your experience develops. As an included profit, the App Inventor is open source – implying that new modules and additional items are generally made constantly. It could extremely well turned into the essential application improvement device for people and organizations much the same within a brief period of time. At this point, the App Inventor requires an Internet association with work. The majority of your undertakings are put away in the cloud by means of your Google account. On the off chance that you don't at present have a Google (Gmail) account you can make one for nothing. On the off chance that you truly need to expand the capability of Gmail, think about getting to be as a Gmail Master. An included profit of utilizing the distributed storage model is that you can get to your applications from anyplace expecting you have Web access. All that you make in the App Inventor can quickly be run utilizing the inherent emulator. This permits you to test out gimmicks continuously on a reenacted Android gadget without really needing to assemble the application and introduce it on a cell phone or tablet. The MIT App Inventor is so great at showing fledglings how to program Android applications that it is generally received as a component of the educational module at a lot of people secondary schools and universities around the nation as a prologue to software engineering. Much the same as whatever other advanced programming dialect, Android depends on the item arranged programming model. The ideas are effectively connected to different dialects, for example, C++. Android Apps in 1 Hour: No Coding Required shows you how to influence the force of the App Inventor rapidly. When you get to be more acquainted with making Android applications, you may choose to move far from the App Inventor and begin utilizing a routine Interactive Development Environment (IDE) to make applications. In the event that you decide to go this course, Eclipse is a fantastic IDE for Java that has a free module for Android. Like the App Inventor, the Eclipse module takes into account constant gadget copying and testing. Android is at present the most prevalent working framework on the planet. Your applications could hypothetically achieve a huge number of individuals all around and have a noteworthy effect on the future prominence of this portable stage. Leveraging new engineering, for example, the MIT App Inventor, anybody can make the following huge application. Might it be able to be yo Dropbox/Microsoft Lovefest Continues in Latest Android, iOS Updates The tease in the middle of Microsoft and Dropbox is quitting any and all funny business. The most recent Dropbox ios and Android overhauls bring new Microsoft Word, Excel and Powerpoint incorporation. Presently you can tap a record name inside the Dropbox application to see it. In Preview mode, you see another Edit symbol. Tap the symbol, and the document opens in the fitting Office application, gave you have the application introduced. When you make alters and spare a document, and it naturally overhauls in the Dropbox envelope. dropbox ios application with word coordination Emphasized RESOURCE Exhibited BY GENESYS 10 Considerations in Moving to a Cloud-Based Contact Center This digital book offers ten key contemplations when moving to a cloud-based contact focus. What are your Take in MORE In ahead of schedule November, Microsoft added Dropbox combination to its Office ios applications and to Microsoft Office Mobile for Android. Awhile ago, Microsoft's Onedrive was the main cloud administration perfect with those applications. Today you can spare records specifically to Dropbox utilizing the ios and Android forms of Office. Dropbox likewise added a couple of extra peculiarities to its ios application, including the capacity to swipe right on records to view more conceivable activities and to rename documents effectively. Because of these overhauls, my life as a Dropbox and Office client simply got a considerable measure simpler. Only one month prior, case in point, I needed to move records from Dropbox to Onedrive on the off chance that I needed to alter them in Word on my ipad, or store new documents in Onedrive and afterward move them to Dropbox — undertakings that incidentally made the feared "variant perplexity." As appreciative as I am for Microsoft's newly discovered soul of collaboration, then again, there are a couple of things missing. For one thing, ongoing report joint effort. Google Docs has this gimmick nailed, which is the reason I keep on uing it at whatever point I work together with somebody on a spreadsheet or repor Making Project From Wizard Not at all like different dialects where you have to compose code to run an essential hi world program, the Android Developer Tool (ADT) or Eclipse gives us an extraordinary approach to make android applications utilizing wizard. In Android, you simply need to take after some basic steps and with a couple of clicks we get our first Android hi world extend up and running. This excercise will help you comprehend our procedure and different alternatives in the wizard. On the off chance that you haven't introduced the ADT or obscuration plugin, please go to excercise 2 and complete your setup. Okay , Let's Start then ! In the event that ADT is not running, twofold click on ADT to begin the improvement environment. Once the ADT is propelled, after these steps: Click on File -> New and pick Android Application Project, you will see the first screen as Screen 1 Android Hello World new application This is the first Screen for making another android venture. We should cover each one field demonstrated above independently and attempt to comprehend their vitality. Application Name: application name is only the name of your application. This name is unmistakable on the screen when the application is introduced. The application name is additionally indicated in Google Play Store when you transfer your application. Venture Name: Project name is the name of your extend that gets made in shroud. You can give any name to your task. Bundle Name: This is essential. Bundle name is utilized to interestingly distinguish your application on Play Store. You ought to take after the java bundle tradition for the bundle name . The bundle name is not indicated to the client however ought not change ever. A decent approach to pick bundle name is to utilize the opposite of your organization space name. Case in point in codelearn, the url is codelearn.org so the perfect bundle name would be org.codelearn.android Min Required SDK: As you may know, Android began with rendition 1.5 and its present form is 4.4. These numbers speaks to distinctive kinds of Android, in the same way as 2.3 is termed Gingerbread, 4.1 as Ice Cream Sandwich and so forth. These names are utilized for showcasing the OS, while rendition numbers are of enthusiasm to engineers. Min Required SDK field provides for you the adaptability to choose which form of android at least you need to backing. Case in point, on the off chance that you make an application for android 2.3 it will chip away at android 4.4. By and large, it is fitting to have least backing of 2.3.3 API Version 9. Target SDK: This setting tells android that despite the fact that your application will have the capacity to run on its past android rendition, however it is unequivocally tried with form indicated here in this field. Accumulate With: This choice gives you a chance to pick the variant of SDK you need to gather with. Typically,the most astounding variant which is accessible in your ADT ought to be picked here. This will arrange your application with the most recent code and enhancements. Topic: If you are making applications for form 4.x or more you can have an application wide subject. These topics are only some predefined shade plans, which you can use to enhance your application's User Interface. When you transfer an application to the Play Store, you can't transform its bundle name. So pick your bundle name shrewdly This screen is utilization to arrange different task settings, gives up 1 by 1 to see all these choices Make Custom Launcher Icon: Do you recollect how you dispatch an android application ? Actually, we do so by clicking on the application symbol. This symbol is only the launcher symbol. On the off chance that this alternative is checked ADT will give you a wizard to make a launcher symbol. Keep this choice chose. Make Activity: With this choice chose, ADT will make first action for you, this will be your principle movement and will have a reference in mainifest. In later sections, you will get to realize what fundamental action is, however just to concise you - the majority of the android applications are fabricated with different exercises, yet at whatever point you open any application it generally begins with the same movement which is termed as your primary movement. Through this activity,you tell the Android OS that out of all these exercises from my application, open this specific action at whatever point the application begins. Mark This undertaking as Library: Any android task can be of 2 sorts, library venture or a non library venture. A library undertaking is a reusable task which is utilized by other non library ventures. Library venture can't be introduced. They're not quite the same as JAR documents in that library tasks can contain assets and resources. Make Project in Workspace: When you open Eclipse/ADT surprisingly, it requests that you pick a workspace. Workspace is only an area on your hard circle where all your undertakings will be spared. With this checkbox chose, you are advising ADT to spare this undertaking in the current area. On the off chance that you need to store your android venture at some other area you can uncheck this alternative and select your own particular way to spare the application Add Project to working sets: When you begin working in diverse activities, your overshadowing/ADT workspace will have a great deal of undertakings. So it is hard to take a shot at another or existing task, as you need to span down on an enormous rundown of undertakings, which you are not by any means working with. To settle this issue Eclipse has a fantastic idea of working set. Working Set can be utilized to Group Similar activities together. At the point when your number of activities in ADT begins expanding, you can bunch them together into working sets to abstain from seeing all tasks while working. You can without much of a stretch switch between distinctive working sets without restarting shroud. In the first section, we have seen essentials of an android application, from exercises to administrations and show recipients. This is a critical building square and vital to learn in the event that you need to make great android applications.
In next few parts, we will research every idea in subtle element while doing some energizing active coding. Before swooping profound into the promising new sections, we must set up our improvement surroundings to go for specimen applications and idea lessons. How about we begin. Essential Android improvement does not require any exceptionally fabricated equipment. The advancement environment is focused around Eclipse IDE and chips away at any stage. Here are a few requirements to help you choose the form to be introduced : OS: Android IDE chips away at Windows XP, 7, 8, Linux, and MAC OSX. The Minimum prerequisite is Java (JDK 6) Android Development Setup Kit The accompanying feature will direct you through the download and establishment procedure of JDK and ADT . Despite the fact that this feature is for windows 7, the steps are generally same for all different stages. ZIP utility The ADT bundle which you downloaded from developer.android.com is packed, you have to concentrate the bundle so as to get to the setup documents. Linux or MAC clients can avoid this area. For windows clients, on the off chance that you have utilized zip utilities, for example, Winzip, WINRAR and so forth , you can avoid this segment as well. On the off chance that you don't have an unzip programming and are utilizing Windows, take after these steps : Go to 7 compress download interface and download .msi document for your windows machine. Twofold click on the msi document and introduce the 7zip product. At the point when requested partner known augmentations, let the default choice be chosen and completion the establishment. ADT (Android Development Toolkit) Since we have the JDK and Unzip utility introduced, how about we go and introduce the ADT. Go to the record which gets downloaded from developer.android.com. The record name will begin from adt-pack Right click and unzip the zip bundled. In Linux or MAC you can utilize the unzip charge on the terminal *you will get another envelope with name adt-group xxxx made. The precise name will rely on upon your OS and its form (32/64 bit). At the point when ADT is introduced you will recognize that the establishment is independent. This implies you simply need to have the ADT envelope to run the advancement environment. Understanding ADT Folders Since we have unzipped the ADT establishment, gives up inside the ADT envelope to see its substance. Shroud Folder As examined prior, ADT is only Eclipse IDE with Android plugin effectively introduced and arranged for you. Shroud envelope contains the executable to dispatch our improvement surroundings. On the off chance that you twofold click on shroud envelope, you will see different organizers. These envelopes are obliged to run the executable legitimately Twofold click on Eclipse.exe or Eclipse Application record to dispatch the improvement environment. SDK Folder SDK envelope will contain all your android related establishments. This is the envelope which has your Android SDK, devices, and distinctive Virtual gadget pictures. You won't be getting to this envelope unequivocally. However it is inside alluded by shroud to discover the android SDK way. SDK Tools There is a Tool envelope inside SDK, which comes prebundled with a set of valuable devices to perform an assortment of fascinating operations like log investigation, systrace, design seeing and so forth. While covering some developed ideas later, we will figure out how to utilize these instruments. Since you have your Android IDE up and running, take after the feature incorporated at the highest point of this lesson to comprehend different gimmicks of IDE and attempt to learn things you discover fascinating. Android has come a since a long time ago its beginning in 2009 - A great deal of things have changed from Cupcake to Kitkat. We have seen incredible Android Phones as well as an adult operation framework and excellent App experience.
In spite of the fact that a considerable measure has changed since the dispatch of Android, the fundamental building squares of Android application have continued as before. How about we take a gander at a percentage of the fundamental building pieces of an Android application in point of interest. Later, we will perceive how all these segments meet up to make an application, utilizing the case of a Twitter application. An Android Application is coded in Java and aggregated into a solitary dispersion bundle called as APK. APK is the executable record which is introduced on your telephone as Android application. How about we stroll through the different building squares of the an Android application. The essential building pieces of any Android application are - Activities, Views and Intents. These are an absolute necessity in any Android application Administrations, Content Provider and Broadcast are a portion of the development characteristics which add more usefulness to your application We should go 1 by 1 into each of these parts and get more insights about them. Action This is the first Android part you will experience when you open an Android application. An Android application ought to have no less than one Activity in it. So what precisely is Activity ? Each screen in an Android application is an Activity. Action will dependably have a User Interface (shortened as UI). It is impractical to have an Activity without a UI. Any Android application has one or more Activities. Out of these, one Activity will go about as the entrance point. The Activity will show up when the application begins. This is typically alluded to as the launcher Activity or the primary Activity as well. Each Activity has its own particular lifecycle. You can read all the more about it in the Activity Concept Lesson . Each Android application has a Manifest.xml where all Activites are characterized and one Activity is stamped as Main Activity. A standout amongst the most well-known mistake engineers confer when they begin with Android improvement is neglecting to include another Activity in Mainfest.xml record. As a designer, Activity is a Java class record where you compose the rationale. Action does exclude the UI. Somewhat, one of the things you have to write in your Activity rationale is - which UI to show. Client Interface/ Views Client Interface or UI is the thing that the client sees on the screen. The Activity has the obligation to set the UI for the screen. UI includes essentially of two kind of sub-segments. Sees & Layouts or Viewgroups. See as the name propose is the fundamental building square like catches, mark, info box and so forth. Design is the compartment for View components. The Layout principally characterizes the example in which the View component ought to appear. Eg. Linearlayout orders that the View components inside it either stack up on a level plane or vertically while Relativelayout lets each one View component position itself with respect to the guardian or a kin component. UI is characterized as XML. The top XML component is a Layout component . Inside it, there can be either View components or Layout components. A sample XML document is appeared. Expectations To move starting with one Activity then onto the next (or one screen to an alternate), on client connection like click of a catch or click of a warning thing, Intents are utilized. It is conceivable to pass information incorporating entire items with Intent. Utilizing Intent you can likewise open an alternate Android application. With Activity, Views and Intent; you can make a fundamental Android application. Heaps of applications are made by utilizing just these three ideas. How about we investigate a portion of the progressed Android ideas. Administrations Have you ever listened to Music on your telephone? Have you watched that the music keeps on playing out of sight when you go to the home screen from the Music application or close the application? This is accomplished utilizing Services. Administrations is the Android method for keeping an operation going ahead out of sight. When you have to have long running undertakings like playing music, downloading information or transferring photographs; it is accomplished through Service. Administration doesn't have any UI. To demonstrate any data to the client from Service, Notifications are utilized. There are two courses in which you can make a Service. One route is to tie the Service with an Activity. For this situation, the Service will end once Activity stops. The other route is to run a Service free of any Application. Along these lines, the Service continues running out of sight significantly after the application is ceased. Sqlite (Database) in Android Android ships with Sqlite database help. Android applications can store information by regional standards in the Sqlite database. Each Android application can make its own private Sqlite databases which it can use to store information for disconnected from the net reference. The motivation behind putting away information generally is basically to give a decent client experience. Consider the case of the Android Twitter application. When you open the application, you promptly see the tweet rundown while there is a stacking image demonstrated which passes on that the tweets are even now being gotten. The tweet rundown is stale, however you don't need to hold up for the tweets to load on the grounds that the application has put away the tweets provincially. There are different alternatives separated from the database to store information in an Android application. Data of little sizes can be put away in Shared Preferences. You can likewise make neighborhood records & store information in it. Content Providers On the off chance that your Android application needs to utilize information from an alternate Android application, you may utilize Content Providers. A basic sample of Content Provider is the Contacts application. You can get contacts in different applications like your SMS application, Dialer Application and so forth. On the off chance that you are utilizing Sqlite/database in your application, you can either get to it straightforwardly or through a Content Provider. Content Provider provides for you exemplified access. Notices Prior in the Services segment, we ran over Notifications. On the off chance that you have utilized an Android telephone, you would have seen little notices in the top piece of your telephone for missed call, SMS or email got and so on. These are Notifications. Concerning most recent and intriguing applications, Android never baffles its clients. Here are few of the picks that are of incredible use in business :-
District District is not an average business-arranged application, yet it can do ponders. The application naturally switches the Android cell phone into noiseless mode when a client gets to the workplace or into ringer mode when s/he touches base at home. Beside modifying your telephone's settings relying upon your area, Locale has force preserving gimmick, when empowered, naturally turns off segments that obliges high power (Wi-Fi, Bluetooth) when handset's battery level is low. Reports TO GO Android App Developer Documents To Go lets the client to view and alter Microsoft Office reports in a natural interface. Notwithstanding living up to expectations with Word, Excel, and Powerpoint things, client can likewise see PDF documents. GDOCS This application is valuable if an organization likes to keep its records in the cloud. Gdocs gives better get to your Google Docs online archives than by survey them through a Web program. Gdocs can alter content archives, view spreadsheets and PDF documents. Gdocs can see the archives online or download the content records for altering.. Knock Knock permits to swap contact data or photographs between two telephones essentially by knocking them together. What's more the application isn't restricted to Android telephones either- -it meets expectations with iphones also. With this shrewd application, client require not need to stay informed regarding paper business cards from gatherings or gatherings. GOOGLE VOICE Google Voice administration brings together all telephone numbers and sends SMS messages by means of email, while offering minimal effort worldwide calls. Utilizing Android telephone, client can utilize Google Voice to get email containing deciphered phone message, make calls from his/her remarkable Google number, and implant voice message messages to impart. Surprisingly better, Google Voice incorporates locally with the clients telephone's location book. AK NOTEPAD Abandon your jotter: AK Notepad is simply the application for speedy notes on the go. This basic yet influential notes application incorporates an update emphasize that will send alarms to you focused around the time you took the note. You can fare notes to concentrated applications, for example, Evernote, and you can send notes to yourself by means of SMS or email; you can even stick notes on your home screen for simple reference. What's more in case you're into customization, you can change the presence of the notes windows and set up extraordinary LED notices for updates. MEEBO Stay associated with for all intents and purpose any texting administration with Meebo. Client can log in at the same time on AIM, Facebook, Google Talk, ICQ, MSN, and Yahoo to stay in contact. To spare an aggregate log of every last one of talks to get to on the web, a Meebo record could be made. SERVERUP IT chiefs and system administrators discover this application exceptionally helpful. With Serverup, one can discover in a flash if the server is in choice condition. It meets expectations in excess of 3g and Wi-Fi. Serverup backings ping, traceroute, and whois capacities; it likewise permits client to enter different host names and port numbers. Also, particular hosts can be empowered or debilitated as per the comfort of clients who take a shot at Lans through Wi-Fi. SCATTERSLIDES Presentations could be run from Android telephone with Scatterslides. Android App Programmers made this application can stream the presentation by means of Wi-Fi to huge presentations; it can likewise act as a remote control for the presentation, permitting the client to move from slide to slide by swiping the screen. Review of slides might be possible utilizing Scatterslides. The application helps Microsoft Powerpoint and Openoffice Impress records, complete with implanted livelinesss, sound, and feature. Spared Games Are the Future!
I think the greater part of us have no less than one or two amusements we play fanatically. Me? I'm a Sky Force 2014 gentleman. Be that as it may possibly you're into matching brilliant items, doing combating creatures, or helping avians with their fury administration issues. In any case, there's most likely some amusement where you've invested hours upon hours updating your squad, arriving at ever more elevated levels, or opening each bit of reward substance in the diversion. Presently envision losing the greater part of that advancement when you choose to get another telephone. Then again reinstall your diversion. Yowser! That is the reason, when Google Play Games propelled, one of the first peculiarities we included was the capacity for clients to spare their amusement to the cloud utilizing an administration called the Appstate API. For designers who didn't require a whole server-based framework to run their amusement, yet would not like to lose players when they overhauled their gadgets, this gimmick was a genuine saver. Yet numerous designers needed considerably more. With Appstate, you were constrained to 4 spaces of 256k of information every, and for a few recreations, this sufficiently wasn't. So this previous year at Google I/O, we propelled a totally new Saved Games gimmick, fueled by Google Drive. This provided for you immense measures of space (up to 3mb every spared diversion with boundless spare openings), the capacity to spare a screenshot and metadata with your spared diversions, and some pleasant peculiarities like demonstrating your player's spared amusements straightforwardly in the Google Play application. ...At the same time Appstate is Yesterday's News Since the presentation of Saved Games, we've seen enough titles joyfully utilizing the administration and heard enough positive criticism from engineers that we're persuaded that Saved Games is the better offering and the best approach later on. Considering that, we've chosen to begin deploring the old cloud spare framework utilizing Appstate and are empowering everyone who's as of now utilizing it to switch over to the new Saved Games gimmick (alluded to in our libraries as "Previews"). What does this mean for you as an issue designer? On the off chance that you haven't yet added Saved Games to your diversion, now would be the ideal time! The occasions are heading up and your players are going to begin getting new gadgets once again the following couple of months. Wouldn't it be incredible in the event that they could bring your diversion's advancement with them? Unless, I figure, "not holding clients" is a piece of your marketable strategy. In case you're as of now utilizing the new Saved Games/ Snapshot framework, put your feet up and unwind. None of these progressions influence you. OK, now put your feet down, and return to work. You presumably have a regular redesign to chip away at, isn't that right? In case you're utilizing the old Appstate framework, you ought to begin moving your player's information over to the new Saved Games administration. Fortunately, its not difficult to incorporate both frameworks in the same diversion, so you ought to have the capacity to move your clients' information with their steadily knowing. The methodology would likely work a bit of something like this: Empower the new Saved Game administration for your amusement by Adding the Drive.scope_appfolder degree to your rundown of degrees in your Googleapiclient. Turning on Saved Games for your amusement in the Google Play Developer Console. Next, when your application tries to load the client's spared amusement To start with check whether any spared amusement exists utilizing the new Saved Games administration. On the off chance that there is, feel free to utilize it. Something else, snatch their spared diversion from the Appstate administration. When you spare the client's amusement once again to the cloud, spare it utilizing the new Saved Games administration. What's more that ought to be it! Whenever your client loads up your diversion, it will discover their spared information in the new Saved Games administration, and they'll be good to go. We've assembled an example application that shows how to perform these steps in your application, so we sway you to look at it. In a couple of months, we will be adjusting the old Appstate administration to be perused just. Regardless you'll have the capacity to peruse your client's old cloud spare amusements and exchange them to the new Saved Games administration, however you'll never again have the capacity to spare diversions utilizing the old administration. We are assessing early Q2 of 2015 to roll out this improvement, which ought to provide for you enough time to push your "begin utilizing Saved Games" redesign to the world. In the event that you need to figure out all the more about Saved Games and how they function, don't hesitate to survey our documentation, our example applications, or our Game On! features. Also we anticipate a lot of people more hours of gaming, regardless of how often we switch gadgets. Android Layout
Android Layout is the most fascinating View component compartment in Android. To plan UI for an App, you have to think about Android Layout. It is otherwise called Viewgroup. All perspective components like textbox, mark, catches and so on need to be contained inside the design. This Layout is thus contained in a format document area inside res/design index of the Android application. An Android Activity utilizes the Android Layout & shows yield on the screen. The three most critical sort of Android Layout components are Linearlayout Relativelayout Gridlayout Android Linear Layout It is one of the central format in Android which is accessible for engineers to execute their Ui's. As the name demonstrates, this design seems to be "direct" as in it puts its youngsters in a straight manner. Linearlayout is a perspective gathering that adjusts all its youngsters in a solitary bearing, vertically or evenly. In this way, the accessible introductions for Linearlayout are : Vertical Even Twofold click the record to view its substance. activity_main.xml <linearlayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/devices" android:layout_width="match_parent" android:layout_height="match_parent"> <!- - Other perspectives -> </Linearlayout> Linear layout is the XML component name for this format. xmlns:android instates the namespace 'android'. The qualities layout_width & layout_height are a piece of android namespace. In the event that you are new to XML & namespace, everything you need to know is that the xmlns:android characteristic must be characterized for the root component in every Android XML document. For any perspective/viewgroup we have to define its width & stature. If not tagged, it will result in blunder. In the above statement we have made both width and tallness ascribe to match_parent (Also same as fill_parent. You can utilize any of them). This implies, we are telling the android framework that this present format's width and tallness is same as that of its parent. As this design is the root perspective of our action, it will take the whole screen as its region. Linear layout can be utilized as a part of vertical or level style. We can set the introduction of the format by setting the android:orientation trait. Level Orientation Level <linear layout xmlns:android="http://example.android.com/" xmlns:tools="http://example.android.com/" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="horizontal" > <button android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="button 1"/> <button android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="button 2"/> <button android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="button 3"/> </Linearlayout> Vertical Orientation In the vertical introduction, all the kids are put one underneath the other. Alter activity_main.xml. Change android_orientation credit from flat to vertical. activity_main.xml <linearlayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="horizontalvertical" > </Linearlayout> Android Relative Layout Relative format is one of the essential designs accessible to outline UI in Android. It orchestrates its youngster sees with reference to the perspective kin or as for itself. That is, utilizing Relativelayout you can position a perspective to be toleftof, torightof, beneath or over its kin. You can likewise position a perspective as for its parent (focused evenly, vertically or both, or adjusted to any of the edges of the guardian Relativelayout). In this design, you can indicate the tyke formats w.r.t its kin or guardian. One or a greater amount of the accompanying traits must be set for each perspective. Something else, the perspectives will be rendered one over an alternate in the upper left district of the Relativelayout. Position with respect to compartment/guardian Android Relative Layout position choices Android Relative Layout position alternatives Relative Layout position choices layout_alignparentkkk - This ascribe is utilized to totally position the kid component in respect to the guardian. It can have four conceivable qualities - layout_alignparentleft, layout_alignparentright, layout_alignparenttop and layout_alignparentbottom. For eg. setting the quality android:layout_alignparentleft="true" for a catch component will adjust the left edge of the catch with the left edge of the guardian Relativelayout. Separated from the over four varieties, there are two more varieties present - layout_alignparentstart & layout_alignparentend. layout_alignparentstart is proportional to setting layout_alignparenttop & layout_alignparentleft valid for the component. You can think about what layout_alignparentend would do. To position a component at the even focus, layout_centerhorizontal is utilized. To set vertical position, you can either utilize outright position trait like layout_alignparenttop or layout_alignparentbottom or utilize the situating with respect to the kin component. This part is presented later. So also, layout_centervertical positions the component vertically at the middle. layout_centerinparent is layout_centervertical & layout_centerhorizontal joined. Position in respect to kin You can position a component in respect to an alternate component in the design. To allude to a component, it must have an exceptional ID. This can be alloted utilizing the android:id property. The credit can be utilized to reference the kid component against which the situating needs to be carried out. All the more about ids are examined in the later piece of this article. Regardless I recollect my first gaming support. For quite a long time I was snared on blocky 8-bit scenes with a tedious soundtrack of bloops and bleeps. In those days the illustrations were primitive, the decision of titles was constrained, and gaming was entirely an inside movement. Today, things are distinctive.
We as of late dispatched Nexus Player, the first streaming media and gaming gadget that brings Android to your TV. On account of a large number of amusements and free online multiplayer, Android is as of now the first decision for some cool and experienced gamers. Also with Android now on screens of all shapes and sizes, you can sneak a brisk diversion while you're out and about, then continue playing at home on your HDTV. Nexus Player makes the ideal occasion blessing for family fun and immersive play on the greatest screen in your home. Here's a brisk take a gander at some promising new titles and a round-up of as of late dispatched top picks. Rayman Fiesta Run brings Ubisoft's excellent, wacky and adorable character Rayman to your front room. Hopping and moving through this excellent dreamland looks unbelievable on your TV. Also on the off chance that you grew up like me, using incalculable hours gathering feature diversion stars and coins, you'll rapidly succumb to this title with a Gamepad for Nexus Player. New diversions are coming in consistently and there are presently more than 60 titles accessible on Google Play. Some of our most loved fresh debuts include: Bicycle Rivals: an adrenaline-stuffed trick hustling amusement that uses the Nexus Player remote Prime World: Defenders: an excellent tower safeguard amusement with marvelous 3d design Goat Simulator: on the grounds that who hasn't longed for bringing on tumult as an issue? Also impending soon: NBA Jam: an excellent, reborn – hammer dunk on your companions with numerous gamepads, telephones and tablets Valiant Hearts: an attentive warrior's voyage through World War I, acknowledged as an activity diversion In case you're searching for an extraordinary approach to use the occasions, or to step up your adoration for Android gaming, get the Nexus Player and Gamepad for Nexus Player in the Play Store. Nexus Player accompanies Badland and a $20 Google Play credit that you can use for diversions, films and then some. Appreciate the occasions, whatever (and wherever) you're playin 15 Best Android Apps You’re Not Using
As soon as you get your brand-new Android smartphone, there are certain apps you’ll probably download immediately, such as Facebook, Spotify, Kindle and your favorite games. But with more than 1 million apps in the Google Play store, there are bound to be a ton of options that you never thought to download, either because you’re not sure what they do or you simply don’t know they exist. Want to type on a better keyboard, speed up your phone’s performance or experience augmented reality? You can do that and a lot more with our top picks. These are the best Android apps you’re probably not using. Wikitude is a browser that will open your eyes to the world around you through your device's camera. The augmented reality browser lets you explore and interact with your surroundings. You can search for places around you, such as "restaurants" or "accommodations," or look up nearby events, tweets, Yelp recommendations or relevant Wikipedia articles. Vendors in the area also serve up mobile coupons via the app so you'll know when you're near a good deal. Wikitude also comes with a bunch of cool AR games, like "Swat The Fly," "Alien Attack" and "Bubble Tap." In the impending months, we'll be seeing more media players, in the same way as the as of late discharged Nexus Player, and Tvs from accomplices with Android TV implicit hit the business sector. While there's a lot of data accessible about the specialized parts of adjusting your application or diversion to Android TV, its additionally helpful to consider configuration changes to advance for the lounge. That way you can give enduring engagement to existing fans and in addition new players finding your amusement in this new setting. Here are three things one engineer did, and how you can do them as well.
Limitless Dreams is an outside the box studio out of Poland, helped to establish by no-nonsense amusement fans Tomasz Kostrzewski and Marek Wyszyński. With Sky Force 2014 TV, they brought their hit arcade style amusement to Android TV in an especially smart manner. The versatile based rendition of Sky Force 2014 reimaged the 2004 exemplary by presenting staggering 3d visuals, and an allowed to-download plan of action utilizing as a part of application buying and aggressive competitions to build engagement. In bringing Sky Force 2014 to TV, they discovered approaches to variable in the play style, play sessions, and true social connection of the lounge room, while paying reverence to the title's exemplary arcade legacy. As Wyszyński puts it, "We chose not to take any alternate routes, we needed to make the diversion feel like it was intended to be played on TV." Orientationfor starters, Sky Force 2014 is played vertically on a cell phone or tablet, otherwise called picture mode. In the amusement, you're guiding an influential military aircraft flying up the screen over a scrolling scene, focusing on waves of steampunk adversaries descending at you. You can see far enough up the screen, empowering you to arrange your assaults and evade adversaries in advance.vertical play on the portable versionwhen bringing the amusement to TV, the fastest approach would have been to save that vertical introduction of the gameplay, by pillarboxing the field of play. With Sky Force 2014, Infinite Dreams considered their choices, and chose to scale the gameplay on a level plane, in scene mode, and recompose the perspective and battle components. Despite everything you're pointing up the screen, however the world underneath and the foes taking a stab at you are rounding out a much more extensive field of perspective. They additionally totally modified the UI to be agreeably worked with a gamepad or straightforward remote. From Wyszyński's perspective, "We truly would not like to simply include help for remote and gamepad on top of what we had in light of the fact that we felt it would not work extremely well." This methodology gives the play encounter a significantly more immersive field of perspective, putting you in that spot amidst the activity. More data on outlining for scene introduction can be found here. Multiplayerlike all versatile diversion engineers building for the TV, Infinite Dreams needed to make sense of how to adjust touch data onto a controller. Sky Force 2014 TV acknowledges both remote control and gamepad controller data. Both are overall tuned, and warrior taking care of is regular and responsive, however Infinite Dreams didn't stop there. They took the chance to add agreeable multiplayer usefulness to exploit the more extensive field of perspective from a TV. Thusly, they not just scaled the visuals of the amusement to the lounge room, additionally figured in that its a parlor where individuals play together. Given the broadened horizontal examples of propelling adversaries, multiplayer procedures develop, in the same way as "partition and prevail over," or "I recovered your" for players of distinctive ability levels. More data about adding controller backing to your Android amusement can be found here, taking care of controller actionshere, and mapping each player's combined controllers here. Players fight side by side in the Android TV rendition BUSINESS Modelinfinite Dreams is likewise exploring different avenues regarding adaptation and expanding play session length. The TV form replaces a few $1.99 in-application buys and clocks with an attempt before-you-purchase model which charges $4.99 in the wake of playing the initial 2 levels for nothing. We've seen this single buy model demonstrate fruitful with other arcade activity diversions like Mediocre's Smash Hit for cell phones and tablets, in which the buy opens checkpoint spares. We're likewise seeing solid arcade activity amusements like Vector Unit's Beach Buggy Racing and Ubisoft's Hungry Shark Evolution hold their current in-application buy models for Android TV. More data on setting up your amusements for these changed plans of action can be found here. We'll be following and imparting these varieties in plans of action on Android TV, incorporating varieties in premium, as the Android TV stage develops. Considering the work included in rolling out these improvements, Wyszyński says, "From a specialized perspective the procedure was not by any stretch of the imagination so troublesome – it took us around a month of work to consolidate the majority of the gimmicks and we are exceptionally content with the results." Take a minute to look at Sky Force 2014 TV on a Nexus Player and alternate diversions in the Android TV accumulation on Google Play, the greater part of which rolled out no configuration improvements and still play well on a TV. Consider your beginning stage, examine the Android TV segment on our engineer blog, and assemble the form of your diversion that would be most fulfilling to players on the love seat. Join the discourse on +android Developers musixmatch is an application that offers Android clients the remarkable and influential gimmick Floatinglyrics. Floatinglyrics pops up a gliding window demonstrating synched verses as clients listen to tracks on their most loved player and music administrations. It's accomplished through a consistent joining with expectations on the stage, something that is actually conceivable just on Android. As an issue musixmatch has seen "a sensational increment regarding engagement', says author Max Ciociola, "which has been two times more dynamic clients and even two times more the normal time they use in the application." |
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