how to build android apps for dummies

notification view message; The notification message should be exactly what you entered in the Firebase console:650) this.width=650; "Src=" https://s3.amazonaws.com/blog.xamarin.com/wp-content/uploads/2017/04/18134903/11- Notification-text.png "class=" AlignCenter size-full wp-image-31081 "width="-/>Congratulations, you just sent and received the first FCM push notification!Learn MoreThis simple example involves only the work that you can do with FCM and push notifications in Visual Studio. To l

In android, HttpURLConnection and HttpClient implement data interaction between apps and PCs. androidhttpurl I have been studying android for a few days, but I am very satisfied. I feel very happy when I learn a little bit of knowledge. I think today is especially meaningful. Maybe this is an inexplicable love. Next, let's talk about the differences between HttpU

directly into the project, or build it using Gradle to add compile dependency: dependencies { compile ' com.android.support:appcompat-v7:+ ' compile ' com.android.support:cardview-v7:+ ' compile ' com.android.support:recyclerview-v7:+ '} Put the above apptheme style to Res/values-v21/style.xml, and then res/values/style.xml add a Apptheme, as follows: This can be done in much the same way as material Design, but there are some effects that

: intent), shortcut_name (value: string), and shortcut_icon (value: Bitmap) or combine (value: Your cuticonresource ). An intent represents a shortcut. This intent must contain three parameters: the intent type of the shortcut (the value is the intent type), the name of the shortcut (the value is a string type), and the shortcut icon (the type is a bitmap) or shortcut icon Resource (value: shortcut icon resource type ). // Build the intent for the ch

compilingcommand line to the project root folder, run: SOURCE build/envsetup.shChoosecombo (select default Direct carriage return)Make-j2 There are also those who say this directly. I don't have a test: Make cleanMakeWhen the compilation is complete, start the virtual machine:./EMULATOR-AVD Androidname-system Out/target/product/generic/system.img Methods for compiling individual modules $.

, Action_alarm_replenish_stock) }Else{preferencescreen.findpreference (key_setting_auto_submit_time). IsEnabled =false //Cancel Scheduled TasksHomeDoorApplication.instance.cancelAlarm (Alarm_replenish_stock_code, Action_alarm_replenish_stock)}}PrivateFunonautosynchronizechanged(Preferences:sharedpreferences, key:string) {var isautosynchronize = preferences?. Getboolean (Key,true)!!if(isautosynchronize) {preferencescreen.findpreference (key_setting_synchronize_time). IsEnabled =true

Create a custom layout (Creating custom Layouts)This article describes how to create a custom notification and use the wearable UI library to create a custom layoutYou also need to understand the wearable design Guidelines (Wear principles)In addition to screen size and instantaneous read capability (Glance ability), creating a layout for wearable apps is roughly the same as a regular phone.Create a custom notification (named notifications)Typically,

the code above, using JavaScript to build an Android activity, is not cool!Of course it's also possible to write iOS native apps, which is not the coolest and even cooler, it also provides a set of "public" APIs, and a set of UI control libraries that can be described in XML, so you can define the interface and generate corresponding local controls on different

1. Install HAXM (KVM) to accelerate Android virtual machine running speedThis is the installation methodChinese description2. AppearanceError:execution failed for task ': App:compiledebugaidl '.> Aidl is missingError, workaroundJust change the version of the build tool to do it:1) Select the project root directory app on the left, press F12 to open Project Structure;2) Click on the app at the bottom to chan

This chapter is mainly used for the automatic background detection of the component application WiFi signal is not.The main function is: The application in the process of starting the use of the full detection of WiFi signal, when the WiFi signal will pop up a toast prompt, when the WiFi signal disappears will be prompted, other time state is not prompted.function is relatively simple, but the small part is the first time to start Android, put their o

bat used to update the SDK, you can see which version you installed, if it is 4.4, the corresponding Android Level is 19, you need to remember this number.Four: Write the Build.xml file, build the file under the root of the application to be compiled, and then follow the configuration below to compile it.What is the meaning of the line, there are notes, ant compilation is so simple, do not have to set what

why, but since know this piece of code so good to run. That is to get the packageparser.package through reflection and then encapsulate it into intentfilter. Solution: Directly on the code. Because it's all just a reflection and rewriting the code once. try {//Get parse Class Packageparser and instantiate class Packageparserclass = Class.forName ("Android.content.pm.PackageParser"); Object Packageparser = Packageparserclass.getconstructor (String.class). newinstance (Dexpath);

How to Use Ant to automatically build Android and ant to build android Ant is a good cross-platform build tool, especially for Java projects. It is very convenient to use it to automatically build

Create a custom layout (Creating custom Layouts) This article describes how to create a custom notification and use the wearable UI library to create a custom layoutYou also need to knowWearable Design Guidelines(Wear Design Principles)In addition to screen size and instantaneous read capability (Glance ability), creating a layout for wearable apps is roughly the same as a regular phone.Create a custom notification (named notifications)Typically, you

Ormlite-Lightweight Object Relational mapping (ORM)If you need to use Ormlite in Android you need to go to the official website http://ormlite.com/download　　　　　　After downloading the two packages, you will also need to configure the two packages in the corresponding projectThen you can start writing your database statements!!!Let's take a step-by-step example to build a simple ormliteWhat we want to achieve

Android.mk file for the HelloWorld project, we can emulate the Android.mk file of the app that comes with Android, such as the Android.mk file in the camera project:Copy the Android.mk file from the camera project to the HelloWorld project:$ CP.. /camera/android.mk./Modify the Android.mk file to remove unnecessary compilation variables:Local_path:= $ (call My-dir)Include $ (clear_vars)Local_module_tags: = OptionalLocal_src_files: = $ (call all-java-f

shortcuts Sendbroadcast (_returnintent);Launcheractivity. This. Finish ();}of course, the above to join the call permission :If we want to uninstall the shortcut, we need to add the permission in the layout fileThen the Com.android.launcher.permission.UNINSTALL_SHORTCUT is passed into the intent( two ): use an Activity, and then click on the Home screen menu-> add Select Shortcut - Select the shortcut for the created application , see the following effect : Create the steps below :①: regist

: Download and install the Android SDKWith the JDK variable environment configured and eclipse installed, the Java development environment is ready if you are just developing a common Java application. We're going to develop Android apps through eclipse, so we need to download the Android SDK (software development Kit)

eclipseThere are multiple versions of Eclipse, and here you choose to download the Eclipse IDE for Java developers version.　　Click on the "Windows 64Bit" hyperlink to enter the download page as shown　　After the download succeeds, get a compressed package as shown:　　Eclipse is an IDE (integrated development environment) developed for Java applications and Android. Eclipse itself is not required to install, after downloading the unpacking package direc

the download successful, get a compressed package as shown: Eclipse for Java applications and Android development IDE (integrated development environment). Eclipse itself does not need to install, after downloading the decompression package directly after decompression can be used, as shown: To this, the eclipse of the download and installation work is complete. Fourth step: Download the Android SDKThe