2020-12-17_can't install this package 安卓升级

Can't install this package (Tue Jun 27 12:29:30 CST 2017) over newer build (Mon Jun 26 17:20:32 CST 2017)

问题原因：安卓升级时发现新包的时间戳小于本地系统的时间戳。

由于script.AssertOlderBuild检查时间戳导致升级失败。

build/core/Makefile调用了此脚本，只需要加入相应的参数不检查时间即可。

或者直接注释这一行

/AN/build/make/tools/releasetools/ota_from_target_files.py

def WriteFullOTAPackage(input_zip, output_zip):
372   # TODO: how to determine this?  We don't know what version it will
373   # be installed on top of. For now, we expect the API just won't
374   # change very often. Similarly for fstab, it might have changed
375   # in the target build.
376   script = edify_generator.EdifyGenerator(3, OPTIONS.info_dict)
377 
378   recovery_mount_options = OPTIONS.info_dict.get("recovery_mount_options")
379   oem_props = OPTIONS.info_dict.get("oem_fingerprint_properties")
380   oem_dicts = None
381   if oem_props:
382     oem_dicts = _LoadOemDicts(script, recovery_mount_options)
383 
384   target_fp = CalculateFingerprint(oem_props, oem_dicts and oem_dicts[0],
385                                    OPTIONS.info_dict)
386   metadata = {
387       "post-build": target_fp,
388       "pre-device": GetOemProperty("ro.product.device", oem_props,
389                                    oem_dicts and oem_dicts[0],
390                                    OPTIONS.info_dict),
391       "post-timestamp": GetBuildProp("ro.build.date.utc", OPTIONS.info_dict),
392   }
393 
394   device_specific = common.DeviceSpecificParams(
395       input_zip=input_zip,
396       input_version=OPTIONS.info_dict["recovery_api_version"],
397       output_zip=output_zip,
398       script=script,
399       input_tmp=OPTIONS.input_tmp,
400       metadata=metadata,
401       info_dict=OPTIONS.info_dict)
402 
403   assert HasRecoveryPatch(input_zip)
404 
405   metadata["ota-type"] = "BLOCK"
406 
407   ts = GetBuildProp("ro.build.date.utc", OPTIONS.info_dict)
408   ts_text = GetBuildProp("ro.build.date", OPTIONS.info_dict)
409   script.AssertOlderBuild(ts, ts_text)
410 
411   AppendAssertions(script, OPTIONS.info_dict, oem_dicts)
412   device_specific.FullOTA_Assertions()