From 7f1d590fbd566aac8b2970ad6533e2ef41bd617d Mon Sep 17 00:00:00 2001
From: sorz <orz@sorz.org>
Date: Wed, 15 Mar 2017 22:38:47 +1100
Subject: [PATCH] Add fingerprint protection switch

---
 app/src/main/AndroidManifest.xml              |  1 +
 .../java/com/hippo/ehviewer/Settings.java     | 10 ++++++++++
 .../ehviewer/ui/SetSecurityActivity.java      | 19 ++++++++++++++++++-
 .../res/layout-land/activity_set_security.xml |  9 +++++++++
 .../main/res/layout/activity_set_security.xml |  9 +++++++++
 app/src/main/res/values/strings.xml           |  1 +
 6 files changed, 48 insertions(+), 1 deletion(-)
 mode change 100644 => 100755 app/src/main/AndroidManifest.xml
 mode change 100644 => 100755 app/src/main/java/com/hippo/ehviewer/Settings.java
 mode change 100644 => 100755 app/src/main/java/com/hippo/ehviewer/ui/SetSecurityActivity.java
 mode change 100644 => 100755 app/src/main/res/layout-land/activity_set_security.xml
 mode change 100644 => 100755 app/src/main/res/layout/activity_set_security.xml
 mode change 100644 => 100755 app/src/main/res/values/strings.xml

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/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/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>