android app lib

confusion, cleaning up useless code, and reducing the APK volume. Small projects, however, may benefit from close confusion (confusing or time-consuming). In addition, it is possible to increase or decrease the heap size of gradle on the machine that is in memory, which may also play a negative role.17, Project componentFor large projects, may have some of the above optimization recommendations have some effect, but the construction speed is still some slow, then you can consider the formation

Android Practice Note (3) --- Fragment parsing with app package or v4 package, android --- fragment Android Practice Notes (3) --- Analysis of Fragment app package or v4 package 1) Problem Description I believe that many of my friends will encounter the following situation

the server for version 1.1 users to download and incrementally update the upgrade. Client Incremental Update Interface: public native static int Bspatch (string oldapkpath, string Newapkpath, String patchpath); Oldapkpath: Current apk directory //newapkpath: Generate new apk to store directory //patchpath: directory where the difference files reside Warm tip: Remember to add network and file read and write permissions Gets the

This example describes the Android Desktop plugin app widget usage. Share to everyone for your reference, specific as follows: application window Widget App Widgets The application window widget (widget) is a tiny application view that can be embedded in other applications (such as the desktop) and receive periodic updates. You can use an

This example shows how to add a simple single-page navigation, and then shows how to display all the phone numbers dialed on page 1th in page 2nd. (1) Understand the basic architecture of the Android app through this example. (2) This example to understand the implementation of Android multi-screen navigation basic technology. This example is just to give us a

, and they are isolated from each other before they are merged into the application.Note:[1] If you do not want to enter the Android SDK directory every time to run the Android command, you can add the SDK platform-tools/and tools/two directories to the environment variable PATH.[2] Try not to change the project path as much as possible, as this will break the SDK path properties in Local.properties. If you

changed the place where the body was escaped. The salt value was replaced before. I don't know what the author thinks. To escape from the body. I'm going to turn around. You're in there. You've lost the equal number. 13. Conclusion To be honest, the one with the right. I said it would take some time. I didn't think the next step was success. Through this Hello Word's Android app. found that

The above has already introduced the porting process of android temperature sensor. The code page has been posted to everyone. Now we can write an APK for testing. The code is very simple, and the interface is very simple and ugly. Haha, don't mind. This aok is only used for testing. I will not introduce it more here and paste the Code directly.Package com. android. jay. sensor1;Import

Android is based on the Linux kernel and is designed for mobile terminal operating systems. Mainly includes the following aspects: Application Framework:This layer provides rich application programming interfaces for application developers, such as activity manager,content provider,notification Manager, and various window widget resources. All apps are running on top of this layer.Dalvik Virtual machine:the Dalvik VM uses a register schema, rather th

: @ com.android.dx.command.dexer.Main.main (main.java:199) at Com.android.dx.command.Main.main (main.java:103)Yes, the number of Dex file methods in your app exceeds the maximum of 65536, so simply put, the app is bursting.So let's see why this error is caused:InAndroidSystem, aAppAll of the code is in aDexFile inside.Dexis a jar-like store that has manyJavaCompiles the archive file for the byte code. Beca

For the touch screen, its original message is nothing more than press, lift, move these several, we only need to simply overload Ontouch or set the touch listener Setontouchlistener can be processed. However, in order to improve the user experience of our app, sometimes we need to identify the user's gestures, and Android gives us the gesture recognition tool gesturedetector can be very helpful. Base Ges

This example describes the Android Desktop Component App widget usage. Share to everyone for your reference. Specifically as follows: Here to simulate a case: add Appwidget to the desktop, after clicking Appwidget appwidget text will change Main.xml Layout file: Res/xml/my_appwidget.xml Layout file: Manifest file: Variable class Utiltool: Used to control text chan

In the previous example of Android Apidemo example parsing (9): App->activity->persistent state describes the use of shared preferences to store some states, shared A more general use of preferences is to store some application preferences (settings). Package Android.preference provides many classes that allow applications to display and set application-related preferences. Of course, you can use a custom U

Installation/configuration:Another tool can also test the performance of the mobile client app, which is the Ddms tool in the Android Development Kit (Dalvik Debug Monitor Service), first of all the installation of the Android SDK:1, first install jdk,1.5 above version2, after the installation of the JDK, you need to download and install the

Installation/configuration:Another tool can also test the performance of the mobile client app, which is the Ddms tool in the Android Development Kit (Dalvik Debug Monitor Service), first of all the installation of the Android SDK:1, first install jdk,1.5 above version2, after the installation of the JDK, you need to download and install the

(Transferred from: http://www.cnblogs.com/qsl568/archive/2012/03/14/2395636.html)Gets the version number of the current app:Private throws Exception { // get an instance of Packagemanager Packagemanager Packagemanager = Getpackagemanager (); // Getpackagename () is the package name of your current class, and 0 means to get version information PackageInfo packinfo = Packagemanager.getpackageinfo (Getpackagename (), 0); = packinfo.versionname;

Android App for H5 page Nesting development authentication method: 1, after installing the app, enter the handset developer option . 2, the "Show layout boundary" switch open. 3, you will find that your screen has a lot of rules and regulations, these are based on the traditional Android system control to create

be put here. (studied) Android Application code:Myactivity.java Package Com.example.uninstalldemos; Import android.app.Activity; Import android.content.Intent; Import Android.os.Bundle; Import Android.util.Log; public class MyActivity extends activity { @Override public void OnCreate (Bundle savedinstancestate) { Super.oncreate (savedinstancestate); Setcontentview (r.layout.activity_main); Intent Intent = ne

Build and run your app in the official Android studio documentThis article is translated by MTJH and Jkyishon for revision.ObjectiveBy default, Android studio sets up new projects and deploys them to emulators or real-world devices with just a few clicks. With instant running, you don't need to build a new apk to apply the changed approach and existing applicatio

visible to the end user. Android:versionname: String type. is for the end user to see.program requires the System API version number android:minsdkversion: To perform this program requires the lowest system API version Android:targetsdkversion: This programming when the target system API version of Android: Maxsdkversion: The highest system API version supported by this programPrepare checklist for publishing before publishing: Before you consider pu