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[optional: run your application on mobile device]

2022-07-22 12:12:00 【Cold drunken spring】

Last one ：【 Create and run your first Android application 】

One 、 preparation

Prerequisite

Basically know how to use Android Studio.
Can open and adjust Android Settings on the device .

Learning content

How to set up Android The device passes Android Studio Run the application .
How to be in Android Studio Connecting entities in Android Device and run the application .

Conditions required

Downloaded and installed on your computer Android Studio.
Already in Android Studio Set an application project in .
a Android equipment （ Such as mobile phone or tablet ）.
One can pass USB The port will Android The device is connected to the computer USB Line .

Be careful ： If reference information is needed to help identify computers and Android Equipment equipped USB Port type and required supporting data cable , Please visit https://en.wikipedia.org/wiki/USB.

Two 、 Turn on USB Debugging function

If you want to let Android Studio With your Android Device communication , You must be on the Developer options Enable... In settings USB Debugging function .

To display developer options and enable USB Debugging function , Please follow the steps below ：

stay Android On the device Set up , And then the search About mobile phone .
Click About mobile phone , Then click Version number Seven times . If there is a hint , Enter your device password or PIN code .
return Set up , Then click System .

Developer options It should now appear in the list . You may need to open senior Option to find the option .

Click Developer options , Then open USB debugging .

3、 ... and 、 install Google USB The driver （ Only applicable to Windows）

If your Android Studio Is installed in Windows On computer , You must install USB Device driver , Then you can run your application on the physical device .

Be careful ： about Ubuntu Linux, Please follow Running applications on hardware devices Instructions in the document .

stay Android Studio in , In turn, click Tools > SDK Manager.

The system displays Settings for New Projects window .

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Click on SDK Tools TAB .
Choose Google USB Driver, And then click OK.

After completion , The driver file will be downloaded to android_sdk\extras\google\usb_driver Directory . Now? , You should be able to connect the device and from Android Studio Run your app .

Four 、 stay Android Run your application on the device （ For all operating systems ）

Now? , You can connect the device and from Android Studio Run the application .

Use USB The line will Android The device is connected to the development machine . A dialog box should be displayed on the device , You are required to allow USB debugging .

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Choose All allowed Option to remember this computer . Click determine .
At the computer Android Studio In the toolbar , Click on Run Button .

The system will open Select Deployment Target Dialog box , It lists the available simulators and connected devices . The system should list your physical devices and all simulators .

Be careful ： about Android Studio 3.6 And higher , After connecting the physical equipment with debugging function turned on , The system will automatically select the corresponding equipment .

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Select your device , And then click OK.

Android Studio The application will be installed and run on the device .

Be careful ： If your device is running Android Platform not in Android Studio Install in , The system may display a message , Ask if you want to install the required platform . Click on Install and Continue, Then click Finish.

5、 ... and 、 Troubleshoot problems

If your computer is running Linux or Windows, You may need to perform additional steps , Only in the entity Android Run your application on the device . see Run the application document on the hardware device .
stay Windows On , You may need to install the appropriate USB The driver . see also Original equipment manufacturer (OEM) USB The driver .

If Android Studio Your device is not recognized , Please try the following ：

pull out USB Line , And then plug it in again .
restart Android Studio.
If your computer still cannot find the device or claim the device “ unaccredited ”, Please follow the steps below ：
pull out USB Line .
On the device Set up Open in Developer options .
Click undo USB Commissioning Authorization .
Reconnect the device to the computer .
When prompted by the system , grant USB Commissioning Authorization .