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Code Issues Projects Releases Packages Wiki Activity Actions

Replace the custom fingerprint auth UI with BiometricPrompt

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This patch replaces the usage of the deprecated FingerprintManager API with
BiometricPrompt. This uses the Android X library, so we get the native biometric
prompt on recent versions of Android and a Google-made one on older versions. By
not working with custom prompts for biometric authentication like we do now, we
can be sure that any issues like #70, #81, #237 are not actually our fault.
Here's what it looks like:

![](https://alexbakker.me/u/b2rmf3x0b9.jpeg)

As a nice aside, this also adds support for the new facial recognition as an
authentication method on Pixel 4 phones.

This is still a draft, but early feedback is welcome.
This commit is contained in:
Alexander Bakker 2019-10-16 22:16:47 +02:00
parent a93ced6e34
commit 3be9aecb88
39 changed files with 499 additions and 716 deletions
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51
app/src/main/res/layout/activity_auth.xml
View file

@ -49,40 +49,29 @@
android:inputType="textPassword" />
</com.google.android.material.textfield.TextInputLayout>
<Button
android:id="@+id/button_decrypt"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:minWidth="125dp"
android:text="@string/unlock" />
</LinearLayout>
<LinearLayout
android:id="@+id/box_fingerprint"
android:orientation="horizontal"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_marginTop="12dp"
android:visibility="gone">
<LinearLayout
android:id="@+id/img_fingerprint_insert"
android:layout_width="60dp"
android:layout_height="60dp"
android:orientation="horizontal"/>
<TextView
android:id="@+id/text_fingerprint"
android:orientation="horizontal"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_gravity="center_vertical"
android:layout_marginLeft="15dp"
android:text="@string/fingerprint_hint"
android:textColor="?attr/secondaryText"/>
android:layout_height="wrap_content">
<Button
android:id="@+id/button_decrypt"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:minWidth="125dp"
android:text="@string/unlock" />
<Button
android:id="@+id/button_biometrics"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:minWidth="125dp"
android:text="@string/biometrics"
android:visibility="gone" />
</LinearLayout>
</LinearLayout>
<LinearLayout
android:id="@+id/box_fingerprint_info"
android:id="@+id/box_biometric_info"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal"
@ -98,7 +87,7 @@
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="@string/invalidated_fingerprint"/>
android:text="@string/invalidated_biometrics"/>
</LinearLayout>
</LinearLayout>
</androidx.coordinatorlayout.widget.CoordinatorLayout>

4
app/src/main/res/layout/activity_slots.xml
View file

@ -53,7 +53,7 @@
</LinearLayout>
<LinearLayout
android:id="@+id/button_add_fingerprint"
android:id="@+id/button_add_biometric"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal"
@ -75,7 +75,7 @@
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="@string/add_fingerprint"
android:text="@string/add_biometric"
android:textAppearance="?android:attr/textAppearanceMedium"
android:textColor="?android:attr/textColorSecondary"/>
</LinearLayout>

21
app/src/main/res/layout/dialog_fingerprint.xml
View file

@ -1,21 +0,0 @@
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="horizontal"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:paddingStart="20dp"
android:paddingEnd="20dp"
android:paddingTop="20dp">
<com.mattprecious.swirl.SwirlView
android:id="@+id/img_fingerprint"
android:layout_width="60dp"
android:layout_height="60dp"/>
<TextView
android:id="@+id/text_fingerprint"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginStart="15dp"
android:text="@string/fingerprint_hint"
android:textColor="?attr/secondaryText"
android:layout_gravity="center_vertical"/>
</LinearLayout>

39
app/src/main/res/layout/fragment_authenticated_slide.xml
View file

@ -68,43 +68,4 @@
</LinearLayout>
<LinearLayout
android:id="@+id/box_fingerprint"
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="20dp"
android:visibility="invisible">
<TextView
android:text="@string/authentication_method_fingerprint"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:textSize="24sp"
android:textColor="@color/primary_text_inverted"/>
<LinearLayout
android:orientation="horizontal"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_marginTop="12dp">
<LinearLayout
android:id="@+id/img_fingerprint_insert"
android:layout_width="60dp"
android:layout_height="60dp"
android:orientation="horizontal"/>
<TextView
android:id="@+id/text_fingerprint"
android:textColor="@color/primary_text_inverted"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_gravity="center_vertical"
android:layout_marginLeft="15dp"
android:text="@string/fingerprint_hint"/>
</LinearLayout>
</LinearLayout>
</LinearLayout>

8
app/src/main/res/layout/fragment_authentication_slide.xml
View file

@ -60,22 +60,22 @@
android:textColor="@color/secondary_text_inverted" />
<RadioButton
android:id="@+id/rb_fingerprint"
android:id="@+id/rb_biometrics"
android:enabled="false"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="@string/authentication_method_fingerprint"
android:text="@string/authentication_method_biometrics"
android:textSize="16sp" />
<TextView
android:id="@+id/text_rb_fingerprint"
android:id="@+id/text_rb_biometrics"
android:enabled="false"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginStart="32dp"
android:layout_marginTop="-5dp"
android:text="@string/authentication_method_fingerprint_description"
android:text="@string/authentication_method_biometrics_description"
android:textColor="@color/disabled_textview_colors" />
</RadioGroup>