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Android Boot Process Analysis, android Boot Process First, android is based on the Linux kernel. android can be started only when kernel is loaded first. For Linux, android is only an a

Process Management in Android and process management in AndroidReprinted please indicate the source: Http://blog.csdn.net/yujun411522/article/details/46682687This article is from: [yujun411522 blog] In android, the concept of process has been deprecated. We know that ever

Android--process of signal processing for INIT processIn Android, when a process exits (exit), a SIGCHLD signal is sent to its parent process. When the parent process receives the signal, the system resources assigned to the child

Android Startup Process Analysis (1) Overview, android process ######################################## #####This article is original in extreme cold ice. For more information, see the source. ######################################## ##### Most people know the Android sta

When an application component starts running and no other components are running, the system starts a new Linux Process for the application, which has only one thread. by default, all components of an application run in one process and thread (main thread. if the thread of an application starts to run and the application thread already exists (because another component of the application is already running

Android Process Communication and android Process Communication I recently studied the communication between Android processes. It turns out to be used, but it is useless. Let's take a look. At the beginning, my head was so big. After watching it all night, my head became li

://ele7enxxh.com/Android-Shared-Library-Injection.htmlHttp://ele7enxxh.com/Android-Shared-Library-Hook-With-GOT.htmlGet target process module base addressvoid* get_module_base (pid_t pid, const char* module_name);Get the remote module base addressvoid* get_remote_addr (pid_t target_pid, const char* module_name, void* local_addr);Lookup

Android installation process problems, android Installation ProcessProblems occurred during Android Installation 1. The Emulator Control in Eclipse cannot be used The problem is found in The official documentation (The official documentation). in The last line, "The Emulator Control tab, shown in Figure 1, is no long

Android binder inter-process communication mechanism 6-JAVA interface of inter-process communication mechanism of Binder, android6-binder JAVA layer interface for inter-process communication between Binder, mainly through the JNI method to call the C/C ++ interface of the Binder Library On the JAVA layer, a Service com

Original article: Android calls the JNI process to facilitate subsequent operations. I personally recorded the entire process of calling JNI, and I forgot to save it. Ah. In some cases, the ndk environment and ndk source code must be prepared. cygwin must be installed with a profile. Java requires environment variables. 1. Create a new project and create a cl

Android local upgrade principle and process (I. Upper Layer), android process1. First, let's take a look at the steps to go to system update; settings --> about mobile phones --> system updates① On the settings page, go to the settings page for system updates. The DeviceInfoSettings. java class under the settings module. The preference is Device_info_settings.xml

Android obtains the global process information and memory used by the process. Android obtains all process information and the memory used by the process. Package zhangphil. process; i

Start analyzing Android todayRoot file system startup process.When the Android system is started, "init =/init" is usually set in the kernel boot parameters. In this way, if the kernel is successfully mounted to the file system, the INIT program in the root directory is run first. What does this program do? We only have rfsc (readthe fucking source code )!!The INIT program source code is in the

Use of Android process-to-process communication AIDL: 1. Introduction In Android, threads cannot transmit information to each other and share their memory space. Therefore, Android provides AIDL. AIDL (Android Interface Definition

bindings use the above three categories, that is, keywords: main/default/home.The main work of launcher is to monitor the application's installation, update, deletion and other actions that cause launcher database changes. Launcher data is the use of ContentProvider to provide data, that is, the need to customize Contentresolver listen to the changes in the specified URI data.private final contentobserver mobserver = new Contentobserver (new Handler ()) {@Ov Erride public void OnChange (Boolean

Log: 09-13 11:46:42.093 14778 17309 I dalvikvm: Ljava/lang/RuntimeException;: No memory in memObj09-13 11:46:42.093 14778 17309 I dalvikvm: at android.database.CursorWindow.native_init(Native Method)09-13 11:46:42.093 14778 17309 I dalvikvm: at android.database.CursorWindow. Analysis: Check the code location. This exception occurs when the mediaprovider server responds to query_transaction, because the memory address that parcel points to is null. Considering the entire call

The preceding result obtained from peers. get (index) is a ZygoteConnection object, indicating a Socket connection. Therefore, the next step is to call the ZygoteConnection. runOnce function for further processing. Step 6. ZygoteConnection. runOnce This function is defined in the frameworks/base/core/java/com/android/internal/OS/ZygoteConnection. java file: [java]viewplaincopyclassZygoteConnection{ ...... booleanrunOnce()throwsZygoteInit.Meth

First download the android source code and compile it. There are a lot of online materials. You can refer to this:Http://www.bkjia.com/kf/201202/118141.htmlFollow the steps above to compile the android kernel successfully. If no accident occurs, three files will be generated in the out/target/product/generic Directory, which are ramdisk. img, sytem. img, userdata. img. What are the purposes of these three f

The above mDriverFD is the open descriptor of the device file/dev/binder. If the device file is successfully opened, its value is greater than or equal to 0. Therefore, its return value is true. Return to the Process. start function, which calls the startViaZygote function for further operations. Step 3. Process. startViaZygote This function is defined in the frameworks/base/core/java/

Daemon_path corresponds to B2,b processFirst lock yourself, then add the Sync module notify_and_waitforThe above code is the above synchronization logicAfter the synchronization is complete, two processes simultaneously listens to each other's lock, one side hangs off the other party immediately can monitor hears. This scheme can be used to monitor each other's death status on 5.0+, because they are blocking methods, so there is no power consumption efficiency problem.Here's to say, Perhaps you