android studio 3 0 tutorial

} Release { // does not displayLog Buildconfigfield "Boolean", "Log_debug", "false" minifyenabled true zipalignenabled true // Remove the uselessResourcefile shrinkresources true Proguardfiles Getdefaultproguardfile(' Proguard-android.txt '), ' Proguard-rules.pro ' Signingconfig Signingconfigs.Release applicationvariants. All { Variant - Variant.outputs. each { Output

storePassword "123456" //密码 keyAlias "hjx" //别名 keyPassword "123456" //密码(就是设置证书那两个密码，建议都填一样的) }}buildTypes { debug { signingConfig signingConfigs.release } release { signingConfig signingConfigs.release }}At this point the work is done, and the APK generated by each compilation is the APK that you have al

Logcat window. NBSP; When another activity is displayed before the current activity, or the Auto lock screen, the current activity is paused, The Onresume function is called when the OnPause function is called to return to the current activity. NBSP; When you return to your phone's home page, the current activity will go from Onresume state through OnPause to OnStop. Indicates that the current activity is not visible and is stopped. But when reopened, the activity is ag

Yesterday the company leaders criticized I will not debug on Android studio, so take the rest of the time today to study a bit of writing a practical article I hope you likeFirst, the code example that I wroteprotected void OnCreate (Bundle savedinstancestate) { Super.oncreate (savedinstancestate); Setcontentview (R.layout.activity_main); for (int i = 0;

also not only can change font size, also can choose different font, click OK, This page font is totally in your appetite.Adjust and then look at the effectRunNext Run the program, run it as compared to Eclipse , and click the green arrow in the menu bar to run directlyThe Studio default installation launches the emulator and can be configured if you want to install it on a real machine. Select the Edit configurations select Prompt or USB device from

then we re-sign the package We choose Assemblerelease Click Run Pack up and see the test Previous [multi-channel packaging] we have tested, here we do not test, if you have questions please reply, thank you for your support. Interested children's shoes can follow my blog, my column will continue to update [Android Studio authoritative

1, install the JDK and configure environment variables, JDK version requires more than 7.2, download Android Studio and sdk,:http://www.android-studio.org/3,SDK update installation via mirroring, tutorials and: http://www.androiddevtools.cn/4, download offline version gradle, free points: http://download.csdn.net/detail/zjilvufe/53953935, install Gradle and confi

-1; ++i) { for(intj =0; J size-1-I.; ++J) {if(jints[j]1]) {intT=JINTS[J]; jints[j]=jints[j+1]; jints[j+1]=t; } } }//Update the sorting results to the Java array, the third parameter equals 0 to update to the original array and release all elements Env->releaseintarrayelements (Array,jints,0);return;}//在Java中调用pr

Android Studio Simple SetupInterface settingsThe default Android Studio is the gray interface, and you can choose to use the cool black interface.Settings ---appearance-Theme, select the darcula theme.Font settingsSystem font SettingsIf you have a problem with the Chinese display in the

"android:layout_height= "Wrap_content"/> To modify the Secondactivity.java file:public class Secondactivity extends Actionbaractivity {@Overrideprotected void OnCreate (Bundle savedinstancestate) {Super.oncreate (savedinstancestate);Setcontentview (r.layout.secondactivity);}} Modify the main interface's Activity_my.xml file and add a button to jump to activity:Android:layout_width= "Fill_parent"android:layout_height= "Wrap_content"Android:text= "Go to Next Interface"android:onclick= "OnClick

closed. Test results:java : Java new 5000s waste 3ms c++ : c++ new 5000s Waste 18ms java : java new 10000s Waste 5ms c++ : c++ new 10000s waste 24ms Span class= "http" >java : java new 50000s waste 44ms c++ : c++ new 50000s waste 121ms java : java new 100000s waste 65ms c++ : c++ new 100000s waste 259ms This time, the results show that if the cache method ID and Jclass can be shortened by half the time. But still less fast than Java. It's also good to understand that C + + creat

+ Control + O Alt + Ctrl + O Find CMD + F Ctrl + F Find + Replace CMD + R Ctrl + R Move code up and down Option + Shift + up/down Alt + Shift + up/down Delete Row CMD + Delete Ctrl + Y Expand Narrow Selection Option + Up/down Ctrl + W/ctrl + Shift + W Quick Build Structure CMD + Option + T Ctrl + Alt + T Quick Overwrite Method CM

') {include ' **/*.so '} intoNewFile (BuildDir, ' native-libs ')} tasks.withtype (javacompile) {Compiletask-Compiletask.dependson Copynativelibs} clean.dependson' Cleancopynativelibs 'Tasks.withtype (com.android.build.gradle.tasks.PackageApplication) {Pkgtask-Pkgtask.jnifolders =NewHashset() PkgTask.jniFolders.add (NewFile (BuildDir, ' native-libs ') } productflavors {xxx1{} xxx2{} all {flavor-flavor.manifestplaceholders=[Channel:name]}} }} Gradle Tutori