Android

Android thread lorule. prepare (), lorule. loop () UseDuring the optimization project, a very Low problem was found. Sort it out and forget: Let's take a look at the definition of HandlerThread, which encapsulates the logoff thread:Logoff is used to

Exploration of segmented storage of Android recorded videos The recorded video needs to be saved in multiple parts. You can read the following code from the system source code:Framework/av/media/libstagefright/MPEG4Writer. cpp

[Android practice] handle crash exceptions in Android and crash in android practice public class MainActivity extends ActionBarActivity {public CrashApplication application;@Overrideprotected void onCreate(Bundle savedInstanceState)

Swift UI Special Training 38 use code to implement ScrollView and uiscrollview Sometimes we can't store all the content on a page, so we need to use ScrollView. The excess content can be obtained through scrolling. First, define the width and height

Android self-destruction and Android self-destruction Sometimes for security, we can achieve self-destruction of machines. For example, if I want to implement an APP, after running it, the Android system will be damaged and I cannot re-boot the APP,

Ios-like Sina Weibo UINavigationController displays the View of the previous controller when sliding to the left. The View of the previous controller is displayed when the Sina Weibo UINavigationController slides left. Implementation principle:

Multi‑thread breakpoint download implementation in Android and Android I recently studied multi-threaded download and wrote a demo. It may be helpful to others to sort it out.Two to three threads are generally enabled for multi-threaded download.

Five security features of Android 5.0 and five major Android security featuresFull Disk Encryption (FDE) Encrypts all flash data, causing high performance degradationNexus 6 and Nexus 9 cannot close FDEFor other devices, we recommend that you

Android round Imageview and androidimageview The circular imageview custom control found on the Internet :' Package com. wangll. widget; import android. content. context; import android. graphics. bitmap; import android. graphics. bitmap. config;

Android custom rounded corner ImageView-rounded corner Image public class CircleImageView extendsImageView { privatestatic final ScaleType SCALE_TYPE = ScaleType.CENTER_CROP; privatestatic final Bitmap.Config BITMAP_CONFIG =

Android static parameter passing 1. Create OtherActivity. java   public class OtherActivity extends Activity {public static String name;public static int age;private TextView textview;protected void onCreate(Bundle savedInstanceState) { super.

Android Context principles and usage1. How the Context inheritance system and Context are created 1. Context Inheritance SystemRemember: Activity, Service, and Application are inherited from ContextWrapper, while ContextWrapper implements Context.

How to obtain the getPackageManager () of the VersionName of the Android Project () Code notes: /*** Get the version name in the application-layer sequence ** @ return */private String getVersionName () {// used to manage installed apk and

How Android achieves self-destruction Sometimes for security, we can achieve self-destruction of machines. For example, if I want to implement an APP, after running it, the Android system will be damaged and I cannot re-boot the APP, unless I

Design and Implementation of AndroidEventBus1. Features AndroidEventBus is an event bus library of the Android platform. It simplifies interaction between components or objects such as Activity, Fragment, and Service, and greatly reduces coupling

Android circular Imageview The circular imageview custom control found on the Internet :' Package com. wangll. widget; import android. content. context; import android. graphics. bitmap; import android. graphics. bitmap. config; import android.

ListView + CheckBox solution and cause analysis, listviewcheckbox Recently, I used ListView + CheckBox to create an item selected item. I set the focus of the CheckBox to false. What I like is that the CheckBox can be selected (in the case of

IOS GIF and iosgif Here we will record the code that enables GIF animation playback on iOS. Call code: @interface ViewController ()@property (nonatomic , strong) QGifView *gifView;@end@implementation ViewController- (void)

Learning android to scale resource images (27 ), : When loading images, I will use SetImageBitmap, setImageResource, BitmapFactory. decodeResource to set a picture. When you use the preceding method to set images, the createBitmap on the Java

Cocos2d-x lightning war (3)-unlimited bullet launch, cocos2d Original works of Lin bingwen Evankaka. Reprinted please indicate the source http://blog.csdn.net/evankaka In this article, we want to implement a lightning game. At the beginning of the