Better biometric subtitle with createConfirmDeviceCredentialIntent() API (0e562c95) · Commits · e / os / android_frameworks_base

core/java/android/hardware/biometrics/BiometricPrompt.java

+23 −0

Original line number	Diff line number	Diff line
		@@ -187,6 +187,19 @@ public class BiometricPrompt implements BiometricAuthenticator, BiometricConstan
		return this;
		}

		/**
		* Shows a default subtitle for the prompt if the subtitle would otherwise be
		* null or empty. Currently for internal use only.
		* @return This builder.
		* @hide
		*/
		@RequiresPermission(USE_BIOMETRIC_INTERNAL)
		@NonNull
		public Builder setUseDefaultSubtitle() {
		mPromptInfo.setUseDefaultSubtitle(true);
		return this;
		}

		/**
		* Optional: Sets a description that will be shown on the prompt.
		* @param description The description to display.
		@@ -628,6 +641,16 @@ public class BiometricPrompt implements BiometricAuthenticator, BiometricConstan
		return mPromptInfo.getSubtitle();
		}

		/**
		* Whether to use a default subtitle. For internal use only.
		* @return See {@link Builder#setUseDefaultSubtitle()}.
		* @hide
		*/
		@RequiresPermission(USE_BIOMETRIC_INTERNAL)
		public boolean shouldUseDefaultSubtitle() {
		return mPromptInfo.isUseDefaultSubtitle();
		}

		/**
		* Gets the description for the prompt, as set by {@link Builder#setDescription(CharSequence)}.
		* @return The description for the prompt, or null if the prompt has no description.

core/java/android/hardware/biometrics/PromptInfo.java

+13 −0

Original line number	Diff line number	Diff line
		@@ -33,6 +33,7 @@ public class PromptInfo implements Parcelable {
		@NonNull private CharSequence mTitle;
		private boolean mUseDefaultTitle;
		@Nullable private CharSequence mSubtitle;
		private boolean mUseDefaultSubtitle;
		@Nullable private CharSequence mDescription;
		@Nullable private CharSequence mDeviceCredentialTitle;
		@Nullable private CharSequence mDeviceCredentialSubtitle;
		@@ -56,6 +57,7 @@ public class PromptInfo implements Parcelable {
		mTitle = in.readCharSequence();
		mUseDefaultTitle = in.readBoolean();
		mSubtitle = in.readCharSequence();
		mUseDefaultSubtitle = in.readBoolean();
		mDescription = in.readCharSequence();
		mDeviceCredentialTitle = in.readCharSequence();
		mDeviceCredentialSubtitle = in.readCharSequence();
		@@ -94,6 +96,7 @@ public class PromptInfo implements Parcelable {
		dest.writeCharSequence(mTitle);
		dest.writeBoolean(mUseDefaultTitle);
		dest.writeCharSequence(mSubtitle);
		dest.writeBoolean(mUseDefaultSubtitle);
		dest.writeCharSequence(mDescription);
		dest.writeCharSequence(mDeviceCredentialTitle);
		dest.writeCharSequence(mDeviceCredentialSubtitle);
		@@ -128,6 +131,8 @@ public class PromptInfo implements Parcelable {
		return true;
		} else if (mUseDefaultTitle) {
		return true;
		} else if (mUseDefaultSubtitle) {
		return true;
		} else if (mDeviceCredentialTitle != null) {
		return true;
		} else if (mDeviceCredentialSubtitle != null) {
		@@ -154,6 +159,10 @@ public class PromptInfo implements Parcelable {
		mSubtitle = subtitle;
		}

		public void setUseDefaultSubtitle(boolean useDefaultSubtitle) {
		mUseDefaultSubtitle = useDefaultSubtitle;
		}

		public void setDescription(CharSequence description) {
		mDescription = description;
		}
		@@ -227,6 +236,10 @@ public class PromptInfo implements Parcelable {
		return mSubtitle;
		}

		public boolean isUseDefaultSubtitle() {
		return mUseDefaultSubtitle;
		}

		public CharSequence getDescription() {
		return mDescription;
		}

services/core/java/com/android/server/biometrics/BiometricService.java

+8 −0

Original line number	Diff line number	Diff line
		@@ -563,6 +563,14 @@ public class BiometricService extends SystemService {
		}
		}

		// Set the default subtitle if necessary.
		if (promptInfo.isUseDefaultSubtitle()) {
		if (TextUtils.isEmpty(promptInfo.getSubtitle())) {
		promptInfo.setSubtitle(getContext()
		.getString(R.string.biometric_dialog_default_subtitle));
		}
		}

		final long requestId = mRequestCounter.get();
		mHandler.post(() -> handleAuthenticate(
		token, requestId, operationId, userId, receiver, opPackageName, promptInfo));