The difference between v7a and v8a

What is the difference between arm64-v8a, armeabi-v7a and armeabi?

andThe difference ,and armeabi are different architecture types of Android applications. arm64-v8a is a 64-bit ARM architecture application for devices that support 64-bit processors, providing higher performance and better memory management. armeabi-v7a is a 32-bit ARM architecture application suitable for most modern Android devices with good compatibility and performance. armeabi is an older 32-bit ARM architecture that has been gradually replaced by armeabi-v7a. Therefore, the choice of which architecture to use depends on the processor type and performance needs of the target device. When developing Android applications, you need to choose the appropriate build type based on the architecture of the target device to ensure that the application runs and performs well on various devices.

For example: Hisense TV cannot install tvbox. The main reason is that Hisense TV uses v7a seventh-generation and above 32-bit ARM processors, while tvbox currently only supports fifth- and sixth-generation 32-bit ARM processors. TVBox currently does not release installation packages for v7a and v8a, resulting in the inability to install tvbox on some TVs using seventh- and eighth-generation processors.

Sometimes there are several options for downloading packages, including arm64-v8a, armeabi-v7a, armeabi, x86_64, etc. If you don't know what they mean, choosing to download them casually may cause the software to fail to install. The following is an introduction to relevant knowledge.

v7a与v8a的区别-1

From these names, you can probably guess that it is related to 32-bit or 64-bit software. Part of it can indeed be understood this way. A more accurate statement is: arm64-v8a and armeabi-v7a. This information indicates the corresponding ABI of the mobile phone processor and its supported instruction set. (Application Binary Interface).

1. What does arm64-v8a mean?

arm64-v8a represents the ABI for 8th generation 64-bit ARM processors. Specifically, it refers to processors that support the ARM 64-bit architecture, commonly used in modern high-end phones and tablets. If your device supports the arm64-v8a ABI, you can install and run applications compiled for this processor architecture.

2. What does armeabi-v7a mean?

armeabi-v7a represents the ABI of 7th generation and above 32-bit ARM processors. Specifically, it refers to processors that support the ARMv7 architecture, commonly used in older phones and tablets. If your device supports the armeabi-v7a ABI, you can install and run applications compiled for this processor architecture.

3. How to confirm which ABIs the mobile phone supports?

To confirm which ABIs your phone supports, you can follow these steps:

  1. Install the AnTuTu review software (or other similar software) to your phone.
  2. Open the AnTuTu review software and find the "My Device" or similar option.
  3. Look for the "CPU" or "Processor" column in "My Devices".
  4. Under the "CPU" or "Processor" column, you will see a list of supported ABIs, including arm64-v8a, armeabi-v7a, wait.

v7a与v8a的区别-1

This way you can easily see which ABIs your phone supports. If you don’t want to install software, you can also use the ADB command to query.

4. How to use the ADB command to query the ABI supported by the mobile phone?

To use the ADB command to query the ABI supported by your phone, you can follow the steps below:

  1. First, make sure your phone is connected to the computer and the environment variables for the ADB command have been configured.
  2. Open Command Prompt (Windows) or Terminal (Mac, Linux).
  3. Enter the following command and press Enter:
adb shell getprop ro.product.cpu.abi
  1. After executing the above command, you will see the supported ABIs listed in the command line, such as arm64-v8a, armeabi-v7a, x86-64, etc.

In this way, you can use ADB commands to query the ABI supported by your phone without installing additional software.

Summarize

The above introduces the different choices you may encounter when downloading software packages, such as arm64-v8a, armeabi-v7a, etc. These choices represent different mobile phone processors and instruction sets. In order to ensure that the software can be installed correctly, you need to know the ABI type supported by the mobile phone. You can query the ABI supported by the mobile phone through the AnTuTu evaluation software or using the ADB command. The choice of ABI is related to the compatibility of the mobile phone processor. 64-bit processors can be compatible with 32-bit software, but not vice versa.

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