checks whether any version of messenger is installed . concode_field_sep String PACKAGE_NAME concode_elem_sep String EXTRA_PROTOCOL_VERSION concode_elem_sep String TAG concode_elem_sep String EXTRA_EXTERNAL_URI concode_elem_sep String EXTRA_METADATA concode_elem_sep String EXTRA_THREAD_TOKEN_KEY concode_elem_sep String ORCA_THREAD_CATEGORY_20150314 concode_elem_sep String EXTRA_IS_COMPOSE concode_elem_sep int PROTOCOL_VERSION_20150314 concode_elem_sep String EXTRA_APP_ID concode_elem_sep String EXTRA_PARTICIPANTS concode_elem_sep String EXTRA_REPLY_TOKEN_KEY concode_elem_sep String EXTRA_IS_REPLY concode_field_sep void finishShareToMessenger concode_elem_sep void openMessengerInPlayStore concode_elem_sep void shareToMessenger concode_elem_sep MessengerThreadParams getMessengerThreadParamsForIntent concode_elem_sep void startViewUri concode_elem_sep List<String> parseParticipants concode_elem_sep Set<Integer> getAllAvailableProtocolVersions concode_elem_sep void shareToMessenger20150314
boolean function ( Context arg0 ) { try { arg0 . getPackageManager ( ) . getPackageInfo ( PACKAGE_NAME , 0 ) ; return true ; } catch ( PackageManager . NameNotFoundException loc0 ) { return false ; } }