diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
old mode 100644
new mode 100755
index 077193be3..4d9507ff7
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -22,6 +22,7 @@
     <uses-permission android:name="android.permission.INTERNET"/>
     <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>
     <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
+    <uses-permission android:name="android.permission.USE_FINGERPRINT" />
 
     <uses-feature android:glEsVersion="0x00020000" android:required="true"/>
 
diff --git a/app/src/main/java/com/hippo/ehviewer/Settings.java b/app/src/main/java/com/hippo/ehviewer/Settings.java
old mode 100644
new mode 100755
index 12f20231e..f41b95bcf
--- a/app/src/main/java/com/hippo/ehviewer/Settings.java
+++ b/app/src/main/java/com/hippo/ehviewer/Settings.java
@@ -911,6 +911,16 @@ public class Settings {
         putString(KEY_SECURITY, value);
     }
 
+    public static final String KEY_ENABLE_FINGERPRINT = "enable_fingerprint";
+
+    public static boolean getEnableFingerprint() {
+        return getBoolean(KEY_ENABLE_FINGERPRINT, false);
+    }
+
+    public static void putEnableFingerprint(boolean value) {
+        putBoolean(KEY_ENABLE_FINGERPRINT, value);
+    }
+
     public static final String KEY_READ_CACHE_SIZE = "read_cache_size";
     public static final int DEFAULT_READ_CACHE_SIZE = 160;
 
diff --git a/app/src/main/java/com/hippo/ehviewer/ui/SetSecurityActivity.java b/app/src/main/java/com/hippo/ehviewer/ui/SetSecurityActivity.java
old mode 100644
new mode 100755
index ebc9b3954..e17ca11a0
--- a/app/src/main/java/com/hippo/ehviewer/ui/SetSecurityActivity.java
+++ b/app/src/main/java/com/hippo/ehviewer/ui/SetSecurityActivity.java
@@ -16,11 +16,13 @@
 
 package com.hippo.ehviewer.ui;
 
+import android.hardware.fingerprint.FingerprintManager;
 import android.os.Bundle;
 import android.support.annotation.Nullable;
 import android.text.TextUtils;
 import android.view.MenuItem;
 import android.view.View;
+import android.widget.CheckBox;
 
 import com.hippo.ehviewer.R;
 import com.hippo.ehviewer.Settings;
@@ -36,6 +38,8 @@ public class SetSecurityActivity extends ToolbarActivity implements View.OnClick
     private View mCancel;
     @Nullable
     private View mSet;
+    @Nullable
+    private CheckBox mFingerprint;
 
     @Override
     protected void onCreate(@Nullable Bundle savedInstanceState) {
@@ -46,6 +50,7 @@ public class SetSecurityActivity extends ToolbarActivity implements View.OnClick
         mPatternView = (LockPatternView) ViewUtils.$$(this, R.id.pattern_view);
         mCancel = ViewUtils.$$(this, R.id.cancel);
         mSet = ViewUtils.$$(this, R.id.set);
+        mFingerprint = (CheckBox) ViewUtils.$$(this, R.id.fingerprint_checkbox);
 
         String pattern = Settings.getSecurity();
         if (!TextUtils.isEmpty(pattern)) {
@@ -53,6 +58,16 @@ public class SetSecurityActivity extends ToolbarActivity implements View.OnClick
                     LockPatternUtils.stringToPattern(pattern));
         }
 
+        if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.M) {
+            FingerprintManager fingerprintManager = getSystemService(FingerprintManager.class);
+            // The line below prevents the false positive inspection from Android Studio
+            // noinspection ResourceType
+            if (fingerprintManager.hasEnrolledFingerprints()) {
+                mFingerprint.setVisibility(View.VISIBLE);
+                mFingerprint.setChecked(Settings.getEnableFingerprint());
+            }
+        }
+
         mCancel.setOnClickListener(this);
         mSet.setOnClickListener(this);
     }
@@ -79,7 +94,7 @@ public class SetSecurityActivity extends ToolbarActivity implements View.OnClick
         if (v == mCancel) {
             finish();
         } else if (v == mSet) {
-            if (null != mPatternView) {
+            if (null != mPatternView && null != mFingerprint) {
                 String security;
                 if (mPatternView.getCellSize() <= 1) {
                     security = "";
@@ -87,6 +102,8 @@ public class SetSecurityActivity extends ToolbarActivity implements View.OnClick
                     security = mPatternView.getPatternString();
                 }
                 Settings.putSecurity(security);
+                Settings.putEnableFingerprint(mFingerprint.getVisibility() == View.VISIBLE &&
+                        mFingerprint.isChecked() && !security.isEmpty());
             }
             finish();
         }
diff --git a/app/src/main/java/com/hippo/ehviewer/ui/scene/SecurityScene.java b/app/src/main/java/com/hippo/ehviewer/ui/scene/SecurityScene.java
old mode 100644
new mode 100755
index 79736a93e..57ce348cd
--- a/app/src/main/java/com/hippo/ehviewer/ui/scene/SecurityScene.java
+++ b/app/src/main/java/com/hippo/ehviewer/ui/scene/SecurityScene.java
@@ -19,11 +19,15 @@ package com.hippo.ehviewer.ui.scene;
 import android.content.Context;
 import android.hardware.Sensor;
 import android.hardware.SensorManager;
+import android.hardware.fingerprint.FingerprintManager;
+import android.os.Build;
 import android.os.Bundle;
+import android.os.CancellationSignal;
 import android.support.annotation.Nullable;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
+import android.widget.ImageView;
 
 import com.hippo.ehviewer.R;
 import com.hippo.ehviewer.Settings;
@@ -42,15 +46,21 @@ public class SecurityScene extends SolidScene implements
         LockPatternView.OnPatternListener, ShakeDetector.OnShakeListener {
 
     private static final int MAX_RETRY_TIMES = 5;
+    private static final long ERROR_TIMEOUT_MILLIS = 1200;
+    private static final long SUCCESS_DELAY_MILLIS = 100;
 
     private static final String KEY_RETRY_TIMES = "retry_times";
 
     @Nullable
     private LockPatternView mPatternView;
+    private ImageView mFingerprintIcon;
 
     private SensorManager mSensorManager;
     private Sensor mAccelerometer;
     private ShakeDetector mShakeDetector;
+    private FingerprintManager mFingerprintManager;
+
+    private CancellationSignal mFingerprintCancellationSignal;
 
     private int mRetryTimes;
 
@@ -73,6 +83,9 @@ public class SecurityScene extends SolidScene implements
                 mShakeDetector.setOnShakeListener(this);
             }
         }
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
+            mFingerprintManager = context.getSystemService(FingerprintManager.class);
+        }
 
         if (null == savedInstanceState) {
             mRetryTimes = MAX_RETRY_TIMES;
@@ -97,6 +110,38 @@ public class SecurityScene extends SolidScene implements
         if (null != mShakeDetector) {
             mSensorManager.registerListener(mShakeDetector, mAccelerometer, SensorManager.SENSOR_DELAY_UI);
         }
+
+        if (isFingerprintAuthAvailable()) {
+            mFingerprintCancellationSignal = new CancellationSignal();
+            // The line below prevents the false positive inspection from Android Studio
+            // noinspection ResourceType
+            mFingerprintManager.authenticate(null, mFingerprintCancellationSignal, 0,
+                    new FingerprintManager.AuthenticationCallback() {
+                        @Override
+                        public void onAuthenticationError(int errMsgId, CharSequence errString) {
+                            fingerprintError(true);
+                        }
+
+                        @Override
+                        public void onAuthenticationFailed() {
+                            fingerprintError(false);
+                        }
+
+                        @Override
+                        public void onAuthenticationSucceeded(
+                                FingerprintManager.AuthenticationResult result) {
+                            mFingerprintIcon.setImageResource(R.drawable.ic_fingerprint_success);
+                            mFingerprintIcon.postDelayed(new Runnable() {
+                                @Override
+                                public void run() {
+                                    startSceneForCheckStep(CHECK_STEP_SECURITY, getArguments());
+                                    finish();
+                                }
+                            }, SUCCESS_DELAY_MILLIS);
+
+                        }
+                    }, null);
+        }
     }
 
     @Override
@@ -106,6 +151,10 @@ public class SecurityScene extends SolidScene implements
         if (null != mShakeDetector) {
             mSensorManager.unregisterListener(mShakeDetector);
         }
+        if (isFingerprintAuthAvailable() && mFingerprintCancellationSignal != null) {
+            mFingerprintCancellationSignal.cancel();
+            mFingerprintCancellationSignal = null;
+        }
     }
 
     @Override
@@ -123,6 +172,11 @@ public class SecurityScene extends SolidScene implements
         mPatternView = (LockPatternView) ViewUtils.$$(view, R.id.pattern_view);
         mPatternView.setOnPatternListener(this);
 
+        mFingerprintIcon = (ImageView) ViewUtils.$$(view, R.id.fingerprint_icon);
+        if (Settings.getEnableFingerprint() && isFingerprintAuthAvailable()) {
+            mFingerprintIcon.setVisibility(View.VISIBLE);
+            mFingerprintIcon.setImageResource(R.drawable.ic_fp_40px);
+        }
         return view;
     }
 
@@ -176,4 +230,38 @@ public class SecurityScene extends SolidScene implements
             finish();
         }
     }
+
+    private boolean isFingerprintAuthAvailable() {
+        // The line below prevents the false positive inspection from Android Studio
+        // noinspection ResourceType
+        return Build.VERSION.SDK_INT >= Build.VERSION_CODES.M
+                && Settings.getEnableFingerprint()
+                && mFingerprintManager != null
+                && mFingerprintManager.isHardwareDetected()
+                && mFingerprintManager.hasEnrolledFingerprints();
+    }
+
+    private Runnable mResetFingerprintRunnable = new Runnable() {
+        @Override
+        public void run() {
+            if (mFingerprintIcon != null)
+                mFingerprintIcon.setImageResource(R.drawable.ic_fp_40px);
+        }
+    };
+
+    private void fingerprintError(boolean unrecoverable) {
+        // Do not decrease mRetryTimes here since Android system will handle it :)
+        mFingerprintIcon.setImageResource(R.drawable.ic_fingerprint_error);
+        mFingerprintIcon.removeCallbacks(mResetFingerprintRunnable);
+        if (unrecoverable) {
+            mFingerprintIcon.postDelayed(new Runnable() {
+                @Override
+                public void run() {
+                    mFingerprintIcon.setVisibility(View.INVISIBLE);
+                }
+            }, ERROR_TIMEOUT_MILLIS);
+        } else {
+            mFingerprintIcon.postDelayed(mResetFingerprintRunnable, ERROR_TIMEOUT_MILLIS);
+        }
+    }
 }
diff --git a/app/src/main/res/drawable-hdpi/ic_fp_40px.png b/app/src/main/res/drawable-hdpi/ic_fp_40px.png
new file mode 100755
index 000000000..48ebd8ad7
Binary files /dev/null and b/app/src/main/res/drawable-hdpi/ic_fp_40px.png differ
diff --git a/app/src/main/res/drawable-mdpi/ic_fingerprint_error.xml b/app/src/main/res/drawable-mdpi/ic_fingerprint_error.xml
new file mode 100755
index 000000000..be46116da
--- /dev/null
+++ b/app/src/main/res/drawable-mdpi/ic_fingerprint_error.xml
@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright (C) 2015 The Android Open Source Project
+  ~
+  ~ Licensed under the Apache License, Version 2.0 (the "License");
+  ~ you may not use this file except in compliance with the License.
+  ~ You may obtain a copy of the License at
+  ~
+  ~      http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the License for the specific language governing permissions and
+  ~ limitations under the License
+  -->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="40.0dp"
+        android:height="40.0dp"
+        android:viewportWidth="40.0"
+        android:viewportHeight="40.0">
+    <path
+        android:pathData="M20.0,0.0C8.96,0.0 0.0,8.95 0.0,20.0s8.96,20.0 20.0,20.0c11.04,0.0 20.0,-8.95 20.0,-20.0S31.04,0.0 20.0,0.0z"
+        android:fillColor="#F4511E"/>
+    <path
+        android:pathData="M21.33,29.33l-2.67,0.0l0.0,-2.67l2.67,0.0L21.33,29.33zM21.33,22.67l-2.67,0.0l0.0,-12.0l2.67,0.0L21.33,22.67z"
+        android:fillColor="#FFFFFF"/>
+</vector>
diff --git a/app/src/main/res/drawable-mdpi/ic_fingerprint_success.xml b/app/src/main/res/drawable-mdpi/ic_fingerprint_success.xml
new file mode 100755
index 000000000..261f3e7fb
--- /dev/null
+++ b/app/src/main/res/drawable-mdpi/ic_fingerprint_success.xml
@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright (C) 2015 The Android Open Source Project
+  ~
+  ~ Licensed under the Apache License, Version 2.0 (the "License");
+  ~ you may not use this file except in compliance with the License.
+  ~ You may obtain a copy of the License at
+  ~
+  ~      http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the License for the specific language governing permissions and
+  ~ limitations under the License
+  -->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="40.0dp"
+        android:height="40.0dp"
+        android:viewportWidth="40.0"
+        android:viewportHeight="40.0">
+    <path
+        android:pathData="M20.0,20.0m-20.0,0.0a20.0,20.0 0.0,1.0 1.0,40.0 0.0a20.0,20.0 0.0,1.0 1.0,-40.0 0.0"
+        android:fillColor="#009688"/>
+    <path
+        android:pathData="M11.2,21.41l1.63,-1.619999 4.17,4.169998 10.59,-10.589999 1.619999,1.63 -12.209999,12.209999z"
+        android:fillColor="#FFFFFF"/>
+</vector>
diff --git a/app/src/main/res/drawable-mdpi/ic_fp_40px.png b/app/src/main/res/drawable-mdpi/ic_fp_40px.png
new file mode 100755
index 000000000..122f44257
Binary files /dev/null and b/app/src/main/res/drawable-mdpi/ic_fp_40px.png differ
diff --git a/app/src/main/res/drawable-xhdpi/ic_fp_40px.png b/app/src/main/res/drawable-xhdpi/ic_fp_40px.png
new file mode 100755
index 000000000..e1c9590bb
Binary files /dev/null and b/app/src/main/res/drawable-xhdpi/ic_fp_40px.png differ
diff --git a/app/src/main/res/drawable-xxhdpi/ic_fp_40px.png b/app/src/main/res/drawable-xxhdpi/ic_fp_40px.png
new file mode 100755
index 000000000..0fb854524
Binary files /dev/null and b/app/src/main/res/drawable-xxhdpi/ic_fp_40px.png differ
diff --git a/app/src/main/res/layout-land/activity_set_security.xml b/app/src/main/res/layout-land/activity_set_security.xml
old mode 100644
new mode 100755
index 6f4b4e0bb..3ed310944
--- a/app/src/main/res/layout-land/activity_set_security.xml
+++ b/app/src/main/res/layout-land/activity_set_security.xml
@@ -40,6 +40,15 @@
             android:layout_height="0dp"
             android:layout_weight="1"/>
 
+        <CheckBox
+            android:id="@+id/fingerprint_checkbox"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center_horizontal"
+            android:layout_marginBottom="20dp"
+            android:visibility="gone"
+            android:text="@string/enable_fingerprint" />
+
         <LinearLayout
             xmlns:android="http://schemas.android.com/apk/res/android"
             android:id="@+id/buttonPanel"
diff --git a/app/src/main/res/layout/activity_set_security.xml b/app/src/main/res/layout/activity_set_security.xml
old mode 100644
new mode 100755
index 38c2eca54..9509f1f85
--- a/app/src/main/res/layout/activity_set_security.xml
+++ b/app/src/main/res/layout/activity_set_security.xml
@@ -51,6 +51,15 @@
         </com.hippo.widget.MaxSizeContainer>
     </FrameLayout>
 
+    <CheckBox
+        android:id="@+id/fingerprint_checkbox"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center_horizontal"
+        android:layout_marginBottom="20dp"
+        android:visibility="gone"
+        android:text="@string/enable_fingerprint" />
+
     <LinearLayout
         android:id="@+id/buttonPanel"
         android:layout_width="match_parent"
diff --git a/app/src/main/res/layout/scene_security.xml b/app/src/main/res/layout/scene_security.xml
old mode 100644
new mode 100755
index b488a17c5..f18817944
--- a/app/src/main/res/layout/scene_security.xml
+++ b/app/src/main/res/layout/scene_security.xml
@@ -27,12 +27,27 @@
         android:layout_gravity="center"
         android:layout_margin="32dp"
         app:maxWidth="320dp"
-        app:maxHeight="320dp">
+        app:maxHeight="360dp">
 
-        <com.hippo.widget.lockpattern.LockPatternView
-            android:id="@+id/pattern_view"
+        <LinearLayout
             android:layout_width="wrap_content"
-            android:layout_height="wrap_content"/>
+            android:layout_height="wrap_content"
+            android:orientation="vertical">
+
+            <com.hippo.widget.lockpattern.LockPatternView
+                android:id="@+id/pattern_view"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"/>
+
+            <ImageView
+                android:id="@+id/fingerprint_icon"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:src="@drawable/ic_fp_40px"
+                android:layout_gravity="center_horizontal"
+                android:visibility="gone" />
+
+        </LinearLayout>
 
     </com.hippo.widget.MaxSizeContainer>
 </FrameLayout>
diff --git a/app/src/main/res/values-es/strings.xml b/app/src/main/res/values-es/strings.xml
old mode 100644
new mode 100755
index 57e3cdc9d..277101195
--- a/app/src/main/res/values-es/strings.xml
+++ b/app/src/main/res/values-es/strings.xml
@@ -334,6 +334,7 @@
     <string name="set_pattern_protection">Establecer Proteccion po Patrón</string>
     <string name="set_pattern_protection_tip">Dibujar un patrón para establecer la proteccion por patrón. \nDejar en blanco para quitar la proteccion por patrón.</string>
     <string name="set">Establecer</string>
+    <string name="enable_fingerprint">Permitir desbloquear con huella dactilar</string>
 
     <!-- Gallery Activity -->
     <string name="page_menu_title">Pagina %d</string>
diff --git a/app/src/main/res/values-zh-rCN/strings.xml b/app/src/main/res/values-zh-rCN/strings.xml
old mode 100644
new mode 100755
index 2f3cc1dae..24a2cc72a
--- a/app/src/main/res/values-zh-rCN/strings.xml
+++ b/app/src/main/res/values-zh-rCN/strings.xml
@@ -341,6 +341,7 @@
     <string name="set_pattern_protection">设置图案保护</string>
     <string name="set_pattern_protection_tip">绘制图案来设置图案保护\n留空来取消图案保护</string>
     <string name="set">设置</string>
+    <string name="enable_fingerprint">允许使用指纹解锁</string>
 
     <!-- Gallery Activity -->
     <string name="page_menu_title">第 %d 页</string>
diff --git a/app/src/main/res/values-zh-rHK/strings.xml b/app/src/main/res/values-zh-rHK/strings.xml
old mode 100644
new mode 100755
index cfa29a93f..2d8f9f074
--- a/app/src/main/res/values-zh-rHK/strings.xml
+++ b/app/src/main/res/values-zh-rHK/strings.xml
@@ -341,6 +341,7 @@
     <string name="set_pattern_protection">設置圖案保護</string>
     <string name="set_pattern_protection_tip">繪製圖案來設置圖案保護\n留空來取消圖案保護</string>
     <string name="set">設置</string>
+    <string name="enable_fingerprint">允許使用指紋解鎖</string>
 
     <!-- Gallery Activity -->
     <string name="page_menu_title">第 %d 頁</string>
diff --git a/app/src/main/res/values-zh-rTW/strings.xml b/app/src/main/res/values-zh-rTW/strings.xml
old mode 100644
new mode 100755
index ca372446a..a48608cc6
--- a/app/src/main/res/values-zh-rTW/strings.xml
+++ b/app/src/main/res/values-zh-rTW/strings.xml
@@ -341,6 +341,7 @@
     <string name="set_pattern_protection">設定圖案保護</string>
     <string name="set_pattern_protection_tip">繪製圖案來設定圖案保護\n留空來取消圖案保護</string>
     <string name="set">設定</string>
+    <string name="enable_fingerprint">允許使用指紋解鎖</string>
 
     <!-- Gallery Activity -->
     <string name="page_menu_title">第 %d 頁</string>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
old mode 100644
new mode 100755
index 7e4d1e43a..27437f2bb
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -385,6 +385,7 @@
     <string name="set_pattern_protection">Set pattern protection</string>
     <string name="set_pattern_protection_tip">Draw a pattern to set pattern protection\nLeave blank to clear pattern protection</string>
     <string name="set">Set</string>
+    <string name="enable_fingerprint">Also allow unlock with fingerprint</string>
 
     <!-- Gallery Activity -->
     <string name="page_menu_title">Page %d</string>