As early as 2017, the IOS platform completely abandoned the 32-bit app and fully realized 64 bit.
However, Android has so far been dominated by 32-bit. In 2019, Google will start to promote the 64 bit Android platform. After August this year, the play store will no longer provide follow-up updates for existing 32-bit programs.
For Chinese smart phone brands, media reports said that on Monday, Xiaomi app store, oppo app store, vivo app store, Tencent app Bao and Baidu mobile assistant announced that,In the future, all apps released in app stores must support 64 bit arm architecture in an orderly manner. By the end of this year, all apps and games need to upload APK with 64 bit architecture as planned (including stock app update and new version release).
According to the official timetable, all mobile Android applications in the Chinese market are scheduled to be fully popularized by the end of August 2022.
In fact, as the developer of CPU instruction set architecture for IOS and Android devices, arm announced at the developer summit in October last year that its cortex core CPU will not support 32 bits from 2022. From 2023, all cortex-a series of mobile CPU cores (large core and small core) will only support 64 bits.
The advantage of 64 bit is that it can improve the performance of software and schedule memory usage better. For example, the vivo app store says that supporting 64 bit devices is the only way for Android applications to use more than 4GB RAM address space, use wider registers and higher precision in data processing, and obtain enhanced security features.
For developers, applications written in Java or kotlin programming language and any libraries or SDKs are ready for 64 bit devices. The transition to 64 bit is not complicated. In the future, they will only focus on 64 bit compatible applications, which can also save costs and speed up product launch.
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