Android gets the package name of the software and the main class name of the startup

You can use aapt, which does not require downloading. It is a small tool that comes with the SDK. Its path is

/Android/Sdk/build-tools/29.0.2

The 29.0.2 in this is your version, other versions can also be used.

Go to this directory and use this command. My current operating system is liunx. Both liunx and win commands can be used.

The command is as follows

user@user:~/Android/Sdk/build-tools/29.0.2$ aapt dump badging /D/modify picture/D21-Samoa-built-in APK/MyCash.apk

Then you will get a lot of properties

package: name='com.digicelfs.mycash' versionCode='42' versionName='1.0.42' platformBuildVersionName=''
sdkVersion:'21'
targetSdkVersion:'31'
uses-permission: name='android.permission.INTERNET'
uses-permission: name='android.permission.ACCESS_NETWORK_STATE'
uses-permission: name='android.permission.ACCESS_WIFI_STATE'
uses-permission: name='android.permission.READ_CONTACTS'
uses-permission: name='android.permission.CAMERA'
uses-permission: name='android.permission.READ_PHONE_STATE'
uses-permission: name='android.permission.WRITE_EXTERNAL_STORAGE'
uses-permission: name='android.permission.READ_EXTERNAL_STORAGE'
uses-permission: name='android.permission.ACCESS_COARSE_LOCATION'
uses-permission: name='android.permission.ACCESS_FINE_LOCATION'
uses-permission: name='com.digicelfs.mycash.permission.C2D_MESSAGE'
uses-permission: name='com.google.android.c2dm.permission.RECEIVE'
uses-permission: name='android.permission.GET_ACCOUNTS'
uses-permission: name='android.permission.WAKE_LOCK'
uses-permission: name='android.permission.USE_FINGERPRINT'
uses-permission: name='android.permission.USE_BIOMETRIC'
uses-permission: name='android.permission.POST_NOTIFICATIONS'
uses-permission: name='com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE'
uses-permission: name='com.google.android.gms.permission.AD_ID'
uses-permission: name='android.permission.RECEIVE_BOOT_COMPLETED'
uses-permission: name='android.permission.FOREGROUND_SERVICE'
application-label:'MyCash'
application-label-af:'MyCash'
application-label-am:'MyCash'
application-label-ar:'MyCash'
application-label-as:'MyCash'
application-label-az:'MyCash'
application-label-be:'MyCash'
application-label-bg:'MyCash'
application-label-bn:'MyCash'
application-label-bs:'MyCash'
application-label-ca:'MyCash'
application-label-cs:'MyCash'
application-label-da:'MyCash'
application-label-de:'MyCash'
application-label-el:'MyCash'
application-label-en-AU:'MyCash'
application-label-en-CA:'MyCash'
application-label-en-GB:'MyCash'
application-label-en-IN:'MyCash'
application-label-en-XC:'MyCash'
application-label-es:'MyCash'
application-label-es-419:'MyCash'
application-label-es-US:'MyCash'
application-label-et:'MyCash'
application-label-eu:'MyCash'
application-label-fa:'MyCash'
application-label-fi:'MyCash'
application-label-fr:'MyCash'
application-label-fr-CA:'MyCash'
application-label-gl:'MyCash'
application-label-gu:'MyCash'
application-label-he:'MyCash'
application-label-hi:'MyCash'
application-label-hr:'MyCash'
application-label-hu:'MyCash'
application-label-hy:'MyCash'
application-label-id:'MyCash'
application-label-in:'MyCash'
application-label-is:'MyCash'
application-label-it:'MyCash'
application-label-iw:'MyCash'
application-label-ja:'MyCash'
application-label-ka:'MyCash'
application-label-kk:'MyCash'
application-label-km:'MyCash'
application-label-kn:'MyCash'
application-label-ko:'MyCash'
application-label-ky:'MyCash'
application-label-lo:'MyCash'
application-label-lt:'MyCash'
application-label-lv:'MyCash'
application-label-mk:'MyCash'
application-label-ml:'MyCash'
application-label-mn:'MyCash'
application-label-mr:'MyCash'
application-label-ms:'MyCash'
application-label-my:'MyCash'
application-label-nb:'MyCash'
application-label-ne:'MyCash'
application-label-nl:'MyCash'
application-label-or:'MyCash'
application-label-pa:'MyCash'
application-label-pl:'MyCash'
application-label-pt:'MyCash'
application-label-pt-BR:'MyCash'
application-label-pt-PT:'MyCash'
application-label-ro:'MyCash'
application-label-ru:'MyCash'
application-label-si:'MyCash'
application-label-sk:'MyCash'
application-label-sl:'MyCash'
application-label-sq:'MyCash'
application-label-sr:'MyCash'
application-label-sr-Latn:'MyCash'
application-label-sv:'MyCash'
application-label-sw:'MyCash'
application-label-ta:'MyCash'
application-label-te:'MyCash'
application-label-th:'MyCash'
application-label-tl:'MyCash'
application-label-tr:'MyCash'
application-label-uk:'MyCash'
application-label-ur:'MyCash'
application-label-uz:'MyCash'
application-label-vi:'MyCash'
application-label-zh-CN:'MyCash'
application-label-zh-HK:'MyCash'
application-label-zh-TW:'MyCash'
application-label-zu:'MyCash'
application-icon-120:'res/mipmap-anydpi-v26/ic_launcher.xml'
application-icon-160:'res/mipmap-anydpi-v26/ic_launcher.xml'
application-icon-240:'res/mipmap-anydpi-v26/ic_launcher.xml'
application-icon-320:'res/mipmap-anydpi-v26/ic_launcher.xml'
application-icon-480:'res/mipmap-anydpi-v26/ic_launcher.xml'
application-icon-640:'res/mipmap-anydpi-v26/ic_launcher.xml'
application-icon-65534:'res/mipmap-anydpi-v26/ic_launcher.xml'
application-icon-65535:'res/mipmap-anydpi-v26/ic_launcher.xml'
application: label='MyCash' icon='res/mipmap-anydpi-v26/ic_launcher.xml'
uses-library-not-required:'org.apache.http.legacy'
launchable-activity: name='com.useboom.android.activity.SplashActivity' label='' icon=''
feature-group: label=''
  uses-feature-not-required: name='android.hardware.camera'
  uses-feature-not-required: name='android.hardware.camera.autofocus'
  uses-feature-not-required: name='android.hardware.camera.flash'
  uses-feature-not-required: name='android.hardware.camera.front'
  uses-feature-not-required: name='android.hardware.fingerprint'
  uses-feature-not-required: name='android.hardware.location'
  uses-feature-not-required: name='android.hardware.screen.landscape'
  uses-feature-not-required: name='android.hardware.telephony'
  uses-feature-not-required: name='android.hardware.wifi'
  uses-feature: name='android.hardware.faketouch'
  uses-implied-feature: name='android.hardware.faketouch' reason='default feature for all apps'
  uses-feature: name='android.hardware.screen.portrait'
  uses-implied-feature: name='android.hardware.screen.portrait' reason='one or more activities have specified a portrait orientation'
main
other-activities
other-receivers
other-services
supports-screens: 'small' 'normal' 'large' 'xlarge'
supports-any-density: 'true'
locales: '--_--' 'af' 'am' 'ar' 'as' 'az' 'be' 'bg' 'bn' 'bs' 'ca' 'cs' 'da' 'de' 'el ' 'en-AU' 'en-CA' 'en-GB' 'en-IN' 'en-XC' 'es' 'es-419' 'es-US' 'et' 'eu' 'fa' 'fi ' 'fr' 'fr-CA' 'gl' 'gu' 'he' 'hi' 'hr' 'hu' 'hy' 'id' 'in' 'is' 'it' 'iw' 'ja' 'ka ' 'kk' 'km' 'kn' 'ko' 'ky' 'lo' 'lt' 'lv' 'mk' 'ml' 'mn' 'mr' 'ms' 'my' 'nb' 'ne' ' nl' 'or' 'pa' 'pl' 'pt' 'pt-BR' 'pt-PT' 'ro' 'ru' 'si' 'sk' 'sl' 'sq' 'sr' 'sr-Latn' 'sv' 'sw' 'ta' 'te' 'th' 'tl' 'tr' 'uk' 'ur' 'uz' 'vi' 'zh-CN' 'zh-HK' 'zh-TW' 'zu '
densities: '120' '160' '240' '320' '480' '640' '65534' '65535'

The package: name=’com.digicelfs.mycash’ in this is the package name of this software.

versionName=’1.0.42’The version of the software, platformBuildVersionName=” sdkVersion:’21’The sdk version used by the software.

launchable-activity: name=’com.useboom.android.activity.SplashActivity’ This is the main class of this software, which is the main class for launching this software.

application: label=’MyCash’This is the name of this software

uses-permission: everything else after name=’android.permission.INTERNET’ are software permissions