the api version used by the device)
Generally, our project generates at least two versions, debug and release. We can use two tasks, assembleDebug and assumerelease, to generate two versions respectively. We can also use assemble to generate two versions at once.
Gradle supports the abbreviated Task Name.Gradle assumereleaseYou can useGradle aR.Basic build Customization
You can configure the program version and other information in the build. gradle file to generate programs of multiple v
when the child thread is finished, message, notify the main thread to make the corresponding UI change, or use Asynctask to do the network operation. This issue involves the SDK version configuration in the Androidmanifest.xml file, and as Android Studio defaults to compiling with Gradle, Build.gradle file also has the corresponding SDK version configuration, so how to properly configure these SDK versions?2. min
API lower than gingerbread else {if (!path.exists ()) {return 0; } else {final StatFs stats = new StatFs (Path.getpath ()); Using deprecated method In low API level system,//Add @SuppressWarnings ("description") to suppress the WA Rning return (Long) stats.getblocksize () * (long) stats.getblockcount (); } }}
SummarizeUsing a method higher than minSdkVersion the API level requires:
Use to @TargeApi($API_LEVEL) ma
sysimg is going to do.Unzip the sysimg_arm-22_r01.zip into the Platform-tools directory.First example of Android5.1Build.gradle as follows:Apply plugin:' Com.android.application 'Android {Compilesdkversion ABuildtoolsversion"21.1.2"Defaultconfig {ApplicationID"Com.linc.testapi22"Minsdkversion theTargetsdkversion AVersioncode1Versionname"1.0"} buildtypes {release {minifyenabledfalseProguardfiles Getdefaultp
Actionbar Introduction Method:
There are several, starting with the Android 3.0 (API lever 11), all activity using the Theme.holo theme (or its subclasses) contains action Bar, when Targetsdkversion or minsdkversion property is set to "11" or greater, it is the default theme. In order to be compatible with the earlier versions of Android3.0, Actionbar is typically implemented through the appcompatactivity
+" days "from South Africa World Cup ");
Appwidgetmanager. updateappwidget (thiswidget, remoteviews );
}
}
}
7. modify the configuration file androidmanifest. xml. The Code is as follows:
XMLVersion="1.0"Encoding="UTF-8"?>
ManifestXmlns: Android=Http://schemas.android.com/apk/res/android"
Package="Com. Android. Tutor"
File-Settings or Mac OS X under Android Studio-Preferences), and make sure that you choose to use the default configuration of Gradle wrapper.Then modify the module's build.gradle file from this:apply plugin: ‘com.android.application‘android { compileSdkVersion 22 buildToolsVersion "23.0.0 rc3" defaultConfig { applicationId "com.inthecheesefactory.hellojni25" minSdkVersion 15
This is my collection of the classic books on Android development, high-definition PDF electronic version, can be downloaded in my Baidu network free of charge, I hope that the need for friends to help. Directory:Android 4 Advanced Programming (full source code included)"Crazy Android Handout""Android App Development (Guo Hongzhi)""
-based configuration for subprojects. In addition to setting sub-projects in the inheritance mode, Gradle also provides this configuration allprojects {repositories {jcenter ()}}
The settings. gradle file under the project root directory of:
include ':app' //module include ':my_lib' //module(build as lib)
The build. gradle file of the Module under the project root directory of AS (Here we use a simple gradle of Lib module AS an example ):
// The value of plugin in AS is generally '
, leaving only the two pointed to by '1' (Note: delete all here for convenience. If. jar is used, you can add their paths.
For example: 5.0.1 ContactsCommon uses geocoder-2.9.jar and libphonenumber-6.2.jar)
Click '+' to which '2' points, select 'jars or directories 'to which '3' points, and add the frameworks and external folders in sequence. For example:
Code of other versions may be displayed as follows when frameworks is added:
It does not matter, but the problem is displayed. Click OK to a
added.If you have a code jump error, follow the steps above to add the path or jar file of the code to its Dependencies tab.Five, Debug source codeWe can make it as an Android project by adding the ' Android Framework ' to the project we just imported in ' Modules ', which makes it easier for us to debug the code.Android Framework support can be added as in ' 1 ' and ' 2 '.Add a breakpoint in your code and
Android Android-use Eclipse to develop the first android Application, android-android
Open Eclipse and select File-New-Android Application Project
Application Name is our Application Name, which is also the Name we see in the mob
========================================================== ====Make: Entering directory '/home/fantasy/my_android'Target R. java/Manifest. java: VideoChatCameraTestApp (out/target/common/obj/APPS/VideoChatCameraTestApp_intermediates/src/R. stamp)Warning: AndroidManifest. xml already defines minSdkVersion (in http://schemas.android.com/apk/res/android); using existing value in manifest.Warning: AndroidManife
file in the armeabi-v7a is selected, and if it does not exist, select the. so file in the Armeabi directory (because the x86 device also supports armeabi-v7a and Armeabi).Other places could be wrong.When you introduce a. So file, it not only affects the CPU architecture. I can see a number of common errors from other developers, most of which are "Unsatisfiedlinkerror", "dlopen:failed" and other types of crash or low performance:. So files compiled with the
Problems encountered during Android Development -- WARNING: Application does not specify an API level requirement in Android! Solution, requirement
During the trial run of the Andorid project on the mobile phone, we found that the Console printed"WARNING: Application does not specify an API level requirement! "Such warning information is shown in:
Although the normal operation of the project is not affec
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