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使用集合让一切井井有条 根据您的偏好保存内容并对其进行分类。

internal val DEVICE_WIDE_UNKNOWN_SOURCES = "verify_apps:device_wide_unknown_source_block"
internal val GOOGLE_PLAY_APK = "com.android.vending"

// ...

// Add the setting to Google Play's existing managed config. Supported in
// Google Play version 80812500 or higher--older versions ignore unsupported
// settings.
val dpm = context.getSystemService(Context.DEVICE_POLICY_SERVICE) as DevicePolicyManager
var existingConfig = dpm.getApplicationRestrictions(adminName, GOOGLE_PLAY_APK)
val newConfig = Bundle(existingConfig)
newConfig.putBoolean(DEVICE_WIDE_UNKNOWN_SOURCES, true)
dpm.setApplicationRestrictions(adminName, GOOGLE_PLAY_APK, newConfig)

// Make sure that Google Play Protect verifies apps.
dpm.addUserRestriction(adminName, UserManager.ENSURE_VERIFY_APPS)
dpm.addUserRestriction(adminName, UserManager.DISALLOW_INSTALL_UNKNOWN_SOURCES)

static final String DEVICE_WIDE_UNKNOWN_SOURCES =
    "verify_apps:device_wide_unknown_source_block";
static final String GOOGLE_PLAY_APK = "com.android.vending";

// ...


// Add the setting to Google Play's existing managed config. Supported in
// Google Play version 80812500 or higher--older versions ignore unsupported
// settings.
DevicePolicyManager dpm =
    (DevicePolicyManager) context.getSystemService(Context.DEVICE_POLICY_SERVICE);
Bundle existingConfig =
    dpm.getApplicationRestrictions(adminName, GOOGLE_PLAY_APK);
Bundle newConfig = new Bundle(existingConfig);
newConfig.putBoolean(DEVICE_WIDE_UNKNOWN_SOURCES, true);
dpm.setApplicationRestrictions(adminName, GOOGLE_PLAY_APK, newConfig);

// Make sure that Google Play Protect verifies apps.
dpm.addUserRestriction(adminName, UserManager.ENSURE_VERIFY_APPS);
dpm.addUserRestriction(adminName, UserManager.DISALLOW_INSTALL_UNKNOWN_SOURCES);

internal val ALLOWED_ACCOUNTS = "allowed_accounts"
internal val GOOGLE_PLAY_APK = "com.android.vending"

// ...

// Limit Google Play to one work and one personal account. Use
// a comma-separated list of account email addresses (usernames).
val googleAccounts = "ali@gmail.com,ali.connors@example.com"

// Supported in Google Play version 80970100 or higher.
val existingConfig = dpm.getApplicationRestrictions(adminName, GOOGLE_PLAY_APK)
val newConfig = Bundle(existingConfig)
newConfig.putString(ALLOWED_ACCOUNTS, googleAccounts)
dpm.setApplicationRestrictions(adminName, GOOGLE_PLAY_APK, newConfig)

static final String ALLOWED_ACCOUNTS = "allowed_accounts";
static final String GOOGLE_PLAY_APK = "com.android.vending";

// ...


// Limit Google Play to one work and one personal account. Use
// a comma-separated list of account email addresses (usernames).
String googleAccounts = "ali@gmail.com,ali.connors@example.com";

// Supported in Google Play version 80970100 or higher.
Bundle existingConfig =
    dpm.getApplicationRestrictions(adminName, GOOGLE_PLAY_APK);
Bundle newConfig = new Bundle(existingConfig);
newConfig.putString(ALLOWED_ACCOUNTS, googleAccounts);
dpm.setApplicationRestrictions(adminName, GOOGLE_PLAY_APK, newConfig);

const val ACTION_FRP_CONFIG_CHANGED =
    "com.google.android.gms.auth.FRP_CONFIG_CHANGED"
const val GMSCORE_PACKAGE = "com.google.android.gms"

// ...

// List of userId that can provision a factory reset device.
// You can use the value returned calling people/me endpoint.
val accountIds = listOf("000000000000000000000")

dpm.setFactoryResetProtectionPolicy(
    adminName,
    FactoryResetProtectionPolicy.Builder()
        .setFactoryResetProtectionAccounts(accountIds)
        .setFactoryResetProtectionEnabled(true)
        .build()
)

val frpChangedIntent = Intent(ACTION_FRP_CONFIG_CHANGED)

frpChangedIntent.setPackage(GMSCORE_PACKAGE)
context.sendBroadcast(frpChangedIntent)

static final String ACTION_FRP_CONFIG_CHANGED =
    "com.google.android.gms.auth.FRP_CONFIG_CHANGED";
static final String GMSCORE_PACKAGE = "com.google.android.gms";

// ...

// List of userId that can provision a factory reset device.
// You can use the value returned calling people/me endpoint.
List<String> accountIds = new ArrayList<String>();
accountIds.add("000000000000000000000");

dpm.setFactoryResetProtectionPolicy(
    adminName,
    new FactoryResetProtectionPolicy.Builder()
        .setFactoryResetProtectionAccounts(accountIds)
        .setFactoryResetProtectionEnabled(true)
        .build());

Intent frpChangedIntent = new Intent(ACTION_FRP_CONFIG_CHANGED);

frpChangedIntent.setPackage(GMSCORE_PACKAGE);
context.sendBroadcast(frpChangedIntent);

const val GOOGLE_PLAY_APK = "com.android.vending"
const val FACTORY_RESET_PROTECTION_ADMIN = "factoryResetProtectionAdmin"
const val DISABLE_FACTORY_RESET_PROTECTION_ADMIN = "disableFactoryResetProtectionAdmin"
const val GMSCORE_PACKAGE = "com.google.android.gms"

// ...

val existingConfig = dpm.getApplicationRestrictions(adminName, GOOGLE_PLAY_APK)
val newConfig = Bundle(existingConfig)
newConfig.putBoolean(DISABLE_FACTORY_RESET_PROTECTION_ADMIN, false)
newConfig.putString(FACTORY_RESET_PROTECTION_ADMIN, googleAccounts)
dpm.setApplicationRestrictions(adminName, GOOGLE_PLAY_APK, newConfig)

val frpChangedIntent = Intent(ACTION_FRP_CONFIG_CHANGED)

frpChangedIntent.setPackage(GMSCORE_PACKAGE)
context.sendBroadcast(frpChangedIntent)

static final String GOOGLE_PLAY_APK = "com.android.vending";
static final String FACTORY_RESET_PROTECTION_ADMIN = "factoryResetProtectionAdmin";
static final String DISABLE_FACTORY_RESET_PROTECTION_ADMIN = "disableFactoryResetProtectionAdmin";
static final String GMSCORE_PACKAGE = "com.google.android.gms";

// ...

Bundle existingConfig =
        dpm.getApplicationRestrictions(adminName, GOOGLE_PLAY_APK);
Bundle newConfig = new Bundle(existingConfig);
newConfig.putBoolean(DISABLE_FACTORY_RESET_PROTECTION_ADMIN, false);
newConfig.putStringArray(FACTORY_RESET_PROTECTION_ADMIN,
        accountIds.toArray(new String[accountIds.size()]));
dpm.setApplicationRestrictions(adminName, GOOGLE_PLAY_APK, newConfig);

Intent frpChangedIntent = new Intent(ACTION_FRP_CONFIG_CHANGED);

frpChangedIntent.setPackage(GMSCORE_PACKAGE);
context.sendBroadcast(frpChangedIntent);

const val ACTION_FRP_CONFIG_CHANGED =
    "com.google.android.gms.auth.FRP_CONFIG_CHANGED"
const val GMSCORE_PACKAGE = "com.google.android.gms"

// ...

dpm.setFactoryResetProtectionPolicy(adminName, null)

val frpChangedIntent = Intent(ACTION_FRP_CONFIG_CHANGED)

frpChangedIntent.setPackage(GMSCORE_PACKAGE)
context.sendBroadcast(frpChangedIntent)

static final String ACTION_FRP_CONFIG_CHANGED =
    "com.google.android.gms.auth.FRP_CONFIG_CHANGED";
static final String GMSCORE_PACKAGE = "com.google.android.gms";

// ...

dpm.setFactoryResetProtectionPolicy(adminName, null);

Intent frpChangedIntent = new Intent(ACTION_FRP_CONFIG_CHANGED);

frpChangedIntent.setPackage(GMSCORE_PACKAGE);
context.sendBroadcast(frpChangedIntent);

const val GOOGLE_PLAY_APK = "com.android.vending"
const val FACTORY_RESET_PROTECTION_ADMIN = "factoryResetProtectionAdmin"
const val DISABLE_FACTORY_RESET_PROTECTION_ADMIN = "disableFactoryResetProtectionAdmin"
const val GMSCORE_PACKAGE = "com.google.android.gms"

// ...

val existingConfig = dpm.getApplicationRestrictions(adminName, GOOGLE_PLAY_APK)
val newConfig = Bundle(existingConfig)
newConfig.putBoolean(DISABLE_FACTORY_RESET_PROTECTION_ADMIN, true)

dpm.setApplicationRestrictions(
    adminName, GOOGLE_PLAY_SERVICES_PACKAGE, restrictions
)

val frpChangedIntent = Intent(ACTION_FRP_CONFIG_CHANGED)

frpChangedIntent.setPackage(GMSCORE_PACKAGE)
context.sendBroadcast(frpChangedIntent)

static final String GOOGLE_PLAY_APK = "com.android.vending";
static final String FACTORY_RESET_PROTECTION_ADMIN = "factoryResetProtectionAdmin";
static final String DISABLE_FACTORY_RESET_PROTECTION_ADMIN = "disableFactoryResetProtectionAdmin";
static final String GMSCORE_PACKAGE = "com.google.android.gms";

// ...

Bundle existingConfig =
        dpm.getApplicationRestrictions(adminName, GOOGLE_PLAY_APK);
Bundle newConfig = new Bundle(existingConfig);
newConfig.putBoolean(DISABLE_FACTORY_RESET_PROTECTION_ADMIN, true);

dpm.setApplicationRestrictions(
    adminName, GOOGLE_PLAY_SERVICES_PACKAGE, restrictions);

Intent frpChangedIntent = new Intent(ACTION_FRP_CONFIG_CHANGED);

frpChangedIntent.setPackage(GMSCORE_PACKAGE);
context.sendBroadcast(frpChangedIntent);

val token = ByteArray(32)

// Generate a new token
val random = SecureRandom()
random.nextBytes(token)

// Set the token to use at a later date
val success: Boolean
success = dpm.setResetPasswordToken(DeviceAdminReceiver.getComponentName(context), token)

// Activate the token and update success variable...

// Store the token on a server
if (success) {
 sendTokenToServer(token)
}

byte token[] = new byte[32]; // Minimum size token accepted

// Generate a new token
SecureRandom random = new SecureRandom();
random.nextBytes(token);

// Set the token to use at a later date
boolean success;
success = dpm.setResetPasswordToken(DeviceAdminReceiver.getComponentName(getContext()), token);

// Activate the token and update success variable ...

// Store the token on a server
if (success) {
 sendTokenToServer(token);
}

// In your DPC, you'll need to localize the user prompt
val ACTIVATE_TOKEN_PROMPT = "Use your credentials to enable remote password reset"
val ACTIVATE_TOKEN_REQUEST = 1

// Create or fetch a token and set it in setResetPasswordToken() ...
val keyguardManager = context.getSystemService(Context.KEYGUARD_SERVICE) as KeyguardManager
val confirmIntent = keyguardManager.createConfirmDeviceCredentialIntent(null, ACTIVATE_TOKEN_PROMPT)

if (confirmIntent != null) {
 startActivityForResult(confirmIntent, ACTIVATE_TOKEN_REQUEST)
 // Check your onActivityResult() callback for RESULT_OK
} else {
 // Null means the user doesn't have a lock screen so the token is already active.
 // Call isResetPasswordTokenActive() if you need to confirm
}

// In your DPC, you'll need to localize the user prompt
static final String ACTIVATE_TOKEN_PROMPT =
 "Use your credentials to enable remote password reset";
static final int ACTIVATE_TOKEN_REQUEST = 1;

// Create or fetch a token and set it in setResetPasswordToken() ...

KeyguardManager keyguardManager = (KeyguardManager) getSystemService(Context.KEYGUARD_SERVICE);
Intent confirmIntent = keyguardManager.createConfirmDeviceCredentialIntent(
  null, ACTIVATE_TOKEN_PROMPT);

if (confirmIntent != null) {
 startActivityForResult(confirmIntent, ACTIVATE_TOKEN_REQUEST);
 // Check your onActivityResult() callback for RESULT_OK
} else {
 // Null means the user doesn't have a lock screen so the token is already active.
 // Call isResetPasswordTokenActive() if you need to confirm
}

val dpm = getDpm()
val admin = DeviceAdminReceiver.getComponentName(requireActivity())

// Clear the token
if (!dpm.clearResetPasswordToken(admin)) {
 // Report the failure and possibly try later ...
}

DevicePolicyManager dpm = getDpm();
ComponentName admin = DeviceAdminReceiver.getComponentName(getActivity());

// Clear the token
if (!dpm.clearResetPasswordToken(admin)) {
 // Report the failure and possibly try later ...
}

val token: ByteArray = getTokenFromServer()
val newPassword = "password"

try {
 val result: Boolean = dpm.resetPasswordWithToken(
 DeviceAdminReceiver.getComponentName(requireContext()),
 newPassword,
 token,
 0
 )

 if (result) {
 // The password is now 'password'
 } else {
 // Using 'password' doesn't meet password restrictions
 }
} catch (e: IllegalStateException) {
 // The token doesn't match the one set earlier.
}

byte token[] = getTokenFromServer();
String newPassword = "password";

try {
 boolean result = dpm.resetPasswordWithToken(
  DeviceAdminReceiver.getComponentName(getContext()), newPassword, token, 0);

 if (result) {
 // The password is now 'password'
 } else {
 // Using `password` doesn't meet password restrictions
 }
} catch (IllegalStateException e) {
 // The token doesn't match the one set earlier.
}