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tablet running Android 4.0 or above system */try {String procid = "79"; if (Android.os.Build.VERSION.SDK_INT >= Android.os.Build.VERSION_CODES. Ice_cream_sandwich) ProcID = "42"; ICS//requires root privileges Process proc = Runtime.getruntime (). EXEC (new string[] {"Su", "-C", "Service call AC Tivity "+ procid +" S16 Com.android.systemui "}); was Proc.waitfor (); } catch (Exception ex) {Toas

system */try {String procid = "79"; if (Android.os.Build.VERSION.SDK_INT >= Android.os.Build.VERSION_CODES. Ice_cream_sandwich) ProcID = "42"; ICS//requires root privileges Process proc = Runtime.getruntime (). EXEC (new string[] {"Su", "-C", "Service call AC Tivity "+ procid +" S16 Com.android.systemui "}); was Proc.waitfor (); } catch (Exception ex) {Toast.maketext (Getapplicationcontext (), Ex.getmessage (), toast.length_long). Sh

Files \ Java \ without installation. 3. Run the Program C: \ Program Files \ Java \ eclipse \ eclipse.exe. In the displayed dialog box, configure the working directory: Specify the working directory (which can be specified according to your habits) as follows: Method 2: 1. Download adt bundle forwindows (no further Steps 3 and 4 are required) Http://www.androi

share global data between different applications. For example, Google provides a contact's content Provider, which can be used by all applications, including name, address, phone, and all other information.3, the System Runtime Library layerWhen we use the Android app framework, the Android system will support the various components that we use with some C + + l

fragment Development Guide. First, your layout must contain a viewgroup object that is used to place option labels associated with each fragment object. Make sure that the viewgroup object has a resource ID so that you can reference it in the switch code of the Option label. In addition, if the content of the Option label is filled in the activity layout (excluding the operation bar), the activity does not need any layout (you do not even need to call the setcontentview () method ). Instead, yo

android. support. v4.widget. cursorAdapter; import android. text. textUtils; import android. view. layoutInflater; import android. view. view; import android. view. viewGroup; import android. widget. adapterView; import

: due to Android studio 1.0 The default installation is Android5.0, the compiler version is 21,gradle the current version is 2.2.1, so make some changes to the relevant files1) Modify the selection My-app\platforms\android\build.gradleLine 10th classpath ' com.android.tools.build:gradle:1.0.+"21.1.1" = ' 2.2.1 '2) Modify My-app\platforms\android\project.properti

Official Android Technical Documentation translation-Gradle Plug-In User Guide (4) Dependency, Android Library, and multi-project settings Gradle projects can be dependent on other components. These components can be external Binary packages or other Gradle projects. To configure the dependency of an external library jar package, you must CompileAdd a dependenc

available to the application through a single contentresolver interface. You need content providers only if you need to share data among multiple applications. For example, Address book data is used by multiple applications and must be stored in a content provider. If you don't need to share data among multiple applications, you can use Sqlitedatabase directly. When Contentresolver makes a request, the system checks the permissions of the given URI and passes the request to the content provid

In Android, there are 4 activation modes for the activity, namely:"Standard" (default)"Singletop""Singletask""SingleInstance"They are mainly different from the following:1. How to decide which task to belong toThe target TASK for the ACTIVITY of "standard" and "Singletop", and the sender of the received intent within the same task, unless intent includes the parameter flag_activity_new_task.If the Flag_acti

= "vertical">Android: layout_width = "fill_parent"Android: layout_height = "wrap_content"Android: text = "This is fragment #2"Android: textColor = "#000000"Android: textSize = "25sp"/>Android: id = "@ + id/btnGetText"

Preface Android Chinese translation group, Android Chinese chm, Android Chinese pdf, android Chinese api The fourth chm format collection in the Android Chinese translation group, which is collected and compiled into a collection of 102 translations. The list of involved tra

Enter a phone number in the text box and click "call. (The correctness of the number is not verified in the small example) 1. Create an android project named "Phone Dialer. Because the new version of ADT supports Chinese projects, you can use Chinese directly. The basic project directory is as follows: 2. Develop the dialing interface. Open the res/layout/activity_main.xml file of the project, and a visual interface tool will appear on the right. All

[Android Development] example 4-guess the box in which the gem is stored, android4-A mini game that implements "Guess which box the gem is placed in": There are three boxes in the main interface. clicking any box will open the box and show whether there are any gems in it, in addition, the box that has not been clicked is set to semi-transparent. The box that has been clicked is displayed normally, and the

Android scroroller (4)-implement the layout of rebound after pulling, androidscroroller MainActivity is as follows: Package cc. testscroller2; import android. OS. bundle; import android. app. activity;/*** Demo Description: * The layout that can be pulled and then rebounded. * similar to the pull-down refresh. ** refe

(); progressBar.setProgress(currentprogress+stepProgress); Thread.sleep(1000); } } catch(InterruptedException e) { e.printStackTrace(); } } }); thread.start()

Reprint Please specify source: http://www.cnblogs.com/Joanna-Yan/p/5233269.htmlLet's start with Android's management of activity, Android uses task to manage multiple activity, and when we launch an app, Android creates a task for it and then launches the app's entry activity (ie Because Android does not provide an API for a task, we cannot actually access the ta

Android Practice Notes (4) --- basic concepts of Fragment, Android Practice Notes (4) --- basic concepts of Fragment For more information, see coder-pig. Fragment I believe everyone will be familiar with it, slide side, drawer effect, DialogFragment, etc. Fragment is used. The basic concepts of Fragment have been descr

generator, extracting documents from source notes. Jdb:Debugger, debug Debugging tool. Java: Run the compiled java program. 2. Configure the variable environment for JDK on Windows :When the system is required to start an application, the system will first look in the current directory, if not the path specified in the system variable path to find. We said earlier that the jdk contains a bunch of development tools that are located in the JDK 's installation directory, and to facilitate the use

Android IPC Mechanism (4) use ContentProvider for inter-process communication ContentProvider provides a unified interface for data storage and retrieval. It can share data between different applications and is suitable for inter-process communication. The underlying implementation of ContentProvider is also a Binder, but it is much easier to use than AIDL. The system also made a lot of contentproviders, su