appradio 3 android

information, see ISO639-1 (language), ISO3166-1-alpha-2 (region) Local Code Language/Country Local strings. xml Flag.png Default English/UK Res/values/ Res/drawable/ De-RDE German/German Res/Values-de/ Res/drawable-de-RDE/ Fr-RFR French/French Res/Values-fr/ Res/drawable-fr-RFR/ Zh-RCN Chinese/China Res/Values-zh/ Res/drawable-ZH-RCN/ Table 3-2Country abbr

Android from hardware to application: Step by Step 3-Hardware Abstraction Layer access hardware driver The Android standard hardware driver is divided into two parts: one is the hardware driver running in the Linux kernel, and the other is the hardware abstraction layer running in the user space. By using this method, the system can be unrelated to hardware and p

will be run.Every ViewGroup subclass in the Android system has three methods, such as the following:public boolean dispatchtouchevent (Motionevent event): Used to distribute TouchEventpublic boolean onintercepttouchevent (Motionevent event): Used to intercept toucheventpublic boolean ontouchevent (Motionevent event): Handling TouchEvent>The system calls the activity's Dispatchtouchevent method after the first touch event (Action_down) occurs. Distrib

Android security-code security 3-dex file checksumTo recompile the APK is actually to recompile the Classes.dex file, after recompiling, the generated Classes.dex file hash value changed, so we can detect the installation after the Classes.dex file hash value to determine whether the APK has been re-packaged.(1) Read the Classes.dex file in/data/app/xxx.apk in the application installation directory and comp

Example 3 of AlertDialog in Android (one-way selection confirmation dialog box), androidalertdialog In Android development, we often need to pop up some dialogs on the Android interface, such as asking users or asking users to choose. These functions are called the Android D

Android Study Notes (3) ContentProvider Introduction ContentProvider is a standard API for data exchange between different applications. When an application needs to expose its own data to other programs for use, this application can be implemented by providing ContentProvider, other applications can use ContentResolver to manipulate the data exposed by ContentProvider. If an application exposes its own dat

own methods or attributes that need to be specifically explained. Here is a demo to illustrate the use and effects, here are 10 images, which need to be placed in the RES/DRAWABLE-HDPI directory.Layout file xml:HorizontalscrollviewFor Horizontalscrollview, in fact all ideas are similar to ScrollView, the only difference is that Horizontalscrollview support horizontal scrolling. In the above example, just change the peripheral scrollview to Horizontalscrollview, and then wrap the LinearLayout an

+ +, + tv_contextmenu_base + +, "sub.1");Submenu.add (Menu.none,tv_contextmenu_base + 101, + Tv_contextmenu_base + 101, "Sub.2");}ContextMenu and Optionmenu are different in initialization, optionmenu occurs when activity is created, and ContextMenu is triggered each time a mouse event is pressed. For the same view, Oncreatecontextmenu () is called each time a long key is pressed. It is important to note that each time a new ContextMenu object is returned, that is, ContextMenu is created in rea

Android: complaints between Handler, logoff, and MessageQueue in asynchronous processing (3(Preface) If you do not know what Handler is in Android before reading this article, I suggest you first read the first blog post "Android: handler + Thread application of asynchronous processing (1); we all know that the UI inte

In Android project development, there will be real conflicts between the later feature expansion enhancement and the main program code change, that is, the flexibility of the program. The Linux platform's security mechanism, coupled with the special Dalvik mechanism, and various permission barriers make it difficult to develop a flexible and variable program, unlike the PC platform. Here we can actually use the extension method in traditional software

in Android development, there are 3 ways to implement a scheduled task:The sleep (long) method with handler and thread (not recommended, Java implementation)Second, using handler postdelayed (Runnable, Long) method (the simplest Android implementation)Third, the use of handler and timer and timertask combination of methods (more tasks recommended)Here are the fol

In Android development, there are 3 ways to implement a scheduled task:The sleep (long) method with handler and thread (not recommended, Java implementation)Second, using handler postdelayed (Runnable, Long) method (the simplest Android implementation)Third, the use of handler and timer and timertask combination of methods (more tasks recommended)Here are the fol

In Android development, there are 3 ways to implement tasks on a regular basis: First, the use of handler and thread sleep (long) method (not recommended, Java implementation) Second, the use of handler postdelayed (Runnable, Long) method (the simplest Android implementation) Third, the use of handler and timer and TimerTask combined method (more tasks recomme

Android system detects NFC tags, encapsulates them into Tag classes, and stores them in the Intent NfcAdapter. EXTRA_TAG Extra data packet. You can use MifareClassic. get (Tag) to obtain the MifareClassic class of the object. [Java]Tag tagFromIntent = intent. getParcelableExtra (NfcAdapter. EXTRA_TAG );// 4) Get an instance of the Mifare classic card from this TAG// IntentMifareClassic mfc = MifareClassic. get (tagFromIntent );Tag tagFromIntent = int

Storage System of Android-Vold and MountService analysis (3), voldmountservice Android storage system (III) Review:The previous post analyzed the main () function of Vold and the function call process of NetlinkManager. As of the creation of NetlinkHandler and start () call, this post continues to analyze the source code. 1. process block-type ue

front changes to uphill, And it slows down. Originally, after t time, the animation screen should be at the position of 1/3, however, if the road is not easy to go, it will go less than 1/3, but may only go 1/4, and the back is downhill. With excitement, the pace will be much faster and catch up with it again, however, no matter how the path changes in the middle, when the time is reached, it must have jus

(android.os.Environment.MEDIA_MOUNTED.equals(android.os.Environment.getExternalStorageState())){ 3 updateDir = new File(Environment.getExternalStorageDirectory(),Global.downloadDir); 4 }else{ 5 // Files directory 6 updateDir = getFilesDir(); 7 } 8 updateFile = new File(updateDir.getPath(),getResources().g

Android system "forced shutdown", So for a time-consuming operation, we put him in a sub-thread, but the child thread is designed to update the UI, and for Android, the main thread is unsafe, so handler is the tool to solve the problem. Handler runs in the main thread, and it can pass data through the message object to the child thread.As for JNI, the main calling code is here:NBSP; boolret = Jnihelper::ge

Android Animation 3: Property Animation (I) To complete this Android Animation series, I previously wrote View Animation and Drawable Animation. Next I will explain the last of the three animations, Property Animation, which is also the most powerful part of Android Animation, it is also a relatively complex part.Diffe

1. Java Code Implementation@Override Public void onCreate (Bundle savedinstancestate) { super.oncreate (savedinstancestate); Requestwindowfeature (window.feature_no_title); Setcontentview (R.layout.main); // ...}Note Where the statement is located, it seems that all requestwindowfeature operations are placed in front of the Setcontentview.However, using this method, the user experience is not very good, and when the activity is about to be displayed, the title bar