1 # 2 # Copyright (C) 2017 The Android Open Source Project 3 # 4 # Licensed under the Apache License, Version 2.0 (the "License"); 5 # you may not use this file except in compliance with the License. 6 # You may obtain a copy of the License at 7 # 8 # http://www.apache.org/licenses/LICENSE-2.0 9 # 10 # Unless required by applicable law or agreed to in writing, software 11 # distributed under the License is distributed on an "AS IS" BASIS, 12 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 # See the License for the specific language governing permissions and 14 # limitations under the License. 15 # 16 17 # Sets Android Go recommended default values for propreties. 18 19 # Set lowram options 20 PRODUCT_PROPERTY_OVERRIDES += \ 21 ro.config.low_ram=true \ 22 ro.lmk.critical_upgrade=true \ 23 ro.lmk.upgrade_pressure=40 24 25 # set threshold to filter unused apps 26 PRODUCT_PROPERTY_OVERRIDES += \ 27 pm.dexopt.downgrade_after_inactive_days=10 28 29 30 # Speed profile services and wifi-service to reduce RAM and storage. 31 PRODUCT_SYSTEM_SERVER_COMPILER_FILTER := speed-profile 32 33 # Always preopt extracted APKs to prevent extracting out of the APK for gms 34 # modules. 35 PRODUCT_ALWAYS_PREOPT_EXTRACTED_APK := true 36 37 # Use a profile based boot image for this device. Note that this is currently a 38 # generic profile and not Android Go optimized. 39 PRODUCT_USE_PROFILE_FOR_BOOT_IMAGE := true 40 PRODUCT_DEX_PREOPT_BOOT_IMAGE_PROFILE_LOCATION := frameworks/base/config/boot-image-profile.txt 41 42 # set the compiler filter for shared apks to quicken. 43 # Rationale: speed has a lot of dex code expansion, it uses more ram and space 44 # compared to quicken. Using quicken for shared APKs on Go devices may save RAM. 45 # Note that this is a trade-off: here we trade clean pages for dirty pages, 46 # extra cpu and battery. That's because the quicken files will be jit-ed in all 47 # the processes that load of shared apk and the code cache is not shared. 48 # Some notable apps that will be affected by this are gms and chrome. 49 # b/65591595. 50 PRODUCT_PROPERTY_OVERRIDES += \ 51 pm.dexopt.shared=quicken 52 53 # Default heap sizes. Allow up to 256m for large heaps to make sure a single app 54 # doesn't take all of the RAM. 55 PRODUCT_PROPERTY_OVERRIDES += dalvik.vm.heapgrowthlimit=128m 56 PRODUCT_PROPERTY_OVERRIDES += dalvik.vm.heapsize=256m 57 58
