android.app.admin.DevicePolicyManager#KEYGUARD_DISABLE_TRUST_AGENTS源码实例Demo

/**
 * One keyguard features disabled, request to disable fingerprint.
 * @throws Exception any failure.
 */
@Test
public void test_changeOneKeyguardFeaturesDisabled() throws Exception {
    int expected = DevicePolicyManager.KEYGUARD_DISABLE_TRUST_AGENTS
            + DevicePolicyManager.KEYGUARD_DISABLE_FINGERPRINT;
    int result = KeyguardFeatures.setFingerprintDisabled(
            DevicePolicyManager.KEYGUARD_DISABLE_TRUST_AGENTS, true);
    assertEquals(expected, result);
}
 

boolean updateDevicePolicyFeatures() {
    boolean trustDisabled = false;
    if (DEBUG) Slog.d(TAG, "updateDevicePolicyFeatures(" + mName + ")");
    try {
        if (mTrustAgentService != null) {
            DevicePolicyManager dpm =
                (DevicePolicyManager) mContext.getSystemService(Context.DEVICE_POLICY_SERVICE);

            if ((dpm.getKeyguardDisabledFeatures(null, mUserId)
                    & DevicePolicyManager.KEYGUARD_DISABLE_TRUST_AGENTS) != 0) {
                List<PersistableBundle> config = dpm.getTrustAgentConfiguration(
                        null, mName, mUserId);
                trustDisabled = true;
                if (DEBUG) Slog.d(TAG, "Detected trust agents disabled. Config = " + config);
                if (config != null && config.size() > 0) {
                    if (DEBUG) {
                        Slog.d(TAG, "TrustAgent " + mName.flattenToShortString()
                                + " disabled until it acknowledges "+ config);
                    }
                    mSetTrustAgentFeaturesToken = new Binder();
                    mTrustAgentService.onConfigure(config, mSetTrustAgentFeaturesToken);
                }
            } else {
                mTrustAgentService.onConfigure(Collections.EMPTY_LIST, null);
            }
            final long maxTimeToLock = dpm.getMaximumTimeToLock(null, mUserId);
            if (maxTimeToLock != mMaximumTimeToLock) {
                // If the timeout changes, cancel the alarm and send a timeout event to have
                // the agent re-evaluate trust.
                mMaximumTimeToLock = maxTimeToLock;
                if (mAlarmPendingIntent != null) {
                    mAlarmManager.cancel(mAlarmPendingIntent);
                    mAlarmPendingIntent = null;
                    mHandler.sendEmptyMessage(MSG_TRUST_TIMEOUT);
                }
            }
        }
    } catch (RemoteException e) {
        onError(e);
    }
    if (mTrustDisabledByDpm != trustDisabled) {
        mTrustDisabledByDpm = trustDisabled;
        mTrustManagerService.updateTrust(mUserId, 0);
    }
    return trustDisabled;
}