android studio 2 2

Woo-hoo! Now you know what's happening with your app's memory usage when you see one of the those OOM exception. But, you don ' t know where to find the source. Let's alone, how to fix it.Tracking down memory issues can is a pain in the neck. Here is a few strategies that'll help you pursue the noble craft of Android-igami.Sample ProjectThere is code snippets and screenshots of what I ' m working on sprinkled throughout this post. These'll come from a

Android development self-study note (Android Studio1.3.1)-2. Start the first Android Application, studio1.3.1androidI. Preface Using Android Studio to develop Android applications is ve

Filecache. Java is as follows: Package com.cn. loadImages; import java. io. file; import java. io. fileNotFoundException; import java. io. fileOutputStream; import java. io. IOException; import java. io. inputStream; import java. io. outputStream; import android. content. context; import android.net. uri; import android. util. log; public class FileCache {private File cacheDir; public FileCache (Context con

1. How many menus are available in Android? The onoptionitemselect () method is used to click the menu option corresponding to the optionmenu. The method for clicking the menu option corresponding to the context menu contextmenu is oncontextitemseclect (). Remember to make it dependent on a component, such as textview, when using the contextmenu, registry: registerforcontentmenu (view) The function menu (sub-menu) submenu and option menu use the sa

, stop-start); // Native-Iterativestart = System. currentTimeMillis (); result = fiber Lib. fibNI (input); // comment seven stop = System. currentTimeMillis (); out + = String. format ("\ nNative iterative: % d (% d msec)", result, stop-start); textResult. setText (out); // comment 8 }} Note 1: Convert the string you entered into an integer.NOTE 2: Obtain the current timestamp before calculation ).NOTE 3: We call related static functions in FibLib to

Step by step, develop the first Android project as shown in the figure below and run the Android-Android development example tutorial 2 and the first android program.1. generate an Android Application Project 1.run eclipse.exe

resolutions. Android supports both XML drawables and 9-patch graphics files. XML drawables are used to describe shapes (color, border, gradient), State, and transitions. 9-The patch graphic file is used to expand the entire image. For example, if a file acts as the background image of the button, the background image will also become larger when the button becomes large, then the image will naturally become blurred, and 9-patch can define a region fo

intersect, // The final region is the region XOR (3) in which region1 and region2 are combined ), // The final region is reverse_difference (4) outside the intersection of region1 and region2, // The final region is the region Replace (5) of region2 and region1 ); // The final region is region2} Apidemo provides an example of the combination at the end. Android also provides a regioniterator to iterate all matrices in region. You can use this class

Source: http://www.imooc.com/code/1177Q: Is the identifier God horse?A: Identifiers are symbols that are used to name variables, classes, methods, and so on in a Java program.There are several rules to follow when using identifiers:1. Identifiers can consist of letters, numbers, underscores (_), dollar symbols ($) , but cannot contain other special characters, such as @,%, space, etc. , and cannot begin with a number . For example: 123name is not legal drop2. Identifiers cannot be Java keywords

summary of the latest release changes, see the Android studio release notes.2. Engineering structure (Project Structure)In Android studio, each project contains one or more modules source files and resource files. Modules includes the following major types:

Android from ignorance to knowledge-No. 2 and androidno. 2 Despite encountering bottlenecks in the past few days, they are getting better and better. Because they have never touched android before, as a newbie, they will not be overly demanding. Compared with the distributed resource search last year, mobile developmen

Old Deng's android Study Notes (2)-Android gets screen resolutions in N ways, android-android Android gets the screen resolution Method 1: the simplest method 12 intscreenWidth=getWindowManager().getDefaultDisplay().ge

Tagged with: Android Android app Android developer Android emulator Android StudioAndroid official Getting Started document [2] Run your appRunning Your AppRun your applicationThis lesson teaches1.Run on a Real Device2.Run on the

Android learning route (2) create an Android project, route android An Android project contains all the files including the Android app code. The Android SDK provides default project di

Android Note 2-Test and data storage methods under Android, Android Data Storage Today, I will introduce another basic knowledge of Android, the testing and data storage methods under android.Then, send the corresponding notes synchronously. Old Rules: Use a picture to intr

compilation is very time-consuming, we can use Log breakpoint to print logs. Do not modify source code. You can view the printed logs on the console in the Debug window. Method breakpoint: The method breakpoint is the same as the function name. It is the breakpoint at the function entry and end. Exception breakpoint: Run-> View blockpoint-> javaException. Attribute breakpoint: When an attribute is modified or accessed, it is hard to find out in a complex multi-threaded environment. Run-> View b

download should not take much longer.Figure 1-2 Accept the license agreement and click on the appropriate linkExecuting the JDK Wizard on WindowsPerform the JDK Wizard on WindowsBefore installing the JDK, create a new folder named Java in the root directory of your C drive. The name of the folder can be arbitrary and is called Java because there are many Java-related tools to install here, including Jdk,android