1.重大改版，重构部分代码

2.重构ui，添加闪光灯和相册按钮
3.完善demo

app/build.gradle

@@ -1,15 +1,16 @@
 apply plugin: 'com.android.application'
 
 android {
-    compileSdkVersion 25
-    buildToolsVersion "26.0.0"
+    compileSdkVersion 26
+    buildToolsVersion "26.0.2"
     defaultConfig {
         applicationId "com.yzq.zxing"
-        minSdkVersion 15
-        targetSdkVersion 25
+        minSdkVersion 16
+        targetSdkVersion 26
         versionCode 1
         versionName "1.0"
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+        vectorDrawables.useSupportLibrary = true
     }
     buildTypes {
         release {
@@ -20,9 +21,11 @@ android {
 }
 
 dependencies {
-    compile fileTree(include: ['*.jar'], dir: 'libs')
+    implementation fileTree(include: ['*.jar'], dir: 'libs')
+    implementation 'com.android.support:appcompat-v7:26.1.0'
+    implementation 'com.android.support:design:26.1.0'
+    implementation 'com.android.support:support-vector-drawable:26.1.0'
+    implementation 'com.yanzhenjie:permission:1.1.0'
+    implementation project(':zxinglibrary')
 
-    compile 'com.android.support:appcompat-v7:25.3.1'
-    compile 'com.yanzhenjie:permission:1.0.8'
-    compile project(':zxinglibrary')
 }

app/proguard-rules.pro

@@ -1,14 +1,10 @@
 # Add project specific ProGuard rules here.
-# By default, the flags in this file are appended to flags specified
-# in D:\sdk/tools/proguard/proguard-android.txt
-# You can edit the include path and order by changing the proguardFiles
-# directive in build.gradle.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
 #
 # For more details, see
 #   http://developer.android.com/guide/developing/tools/proguard.html
 
-# Add any project specific keep options here:
-
 # If your project uses WebView with JS, uncomment the following
 # and specify the fully qualified class name to the JavaScript interface
 # class:

app/src/main/AndroidManifest.xml

@@ -2,19 +2,12 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="com.yzq.zxing">
 
-    <uses-permission android:name="android.permission.CAMERA" />
-    <uses-permission android:name="android.permission.CAMERA" />
-    <uses-permission android:name="android.permission.FLASHLIGHT" />
-
-    <uses-feature android:name="android.hardware.camera" />
-    <uses-feature android:name="android.hardware.camera.autofocus" />
 
     <application
         android:allowBackup="true"
         android:icon="@mipmap/ic_launcher"
         android:label="@string/app_name"
         android:roundIcon="@mipmap/ic_launcher_round"
-        android:supportsRtl="true"
         android:theme="@style/AppTheme">
         <activity android:name=".MainActivity">
             <intent-filter>
@@ -25,14 +18,6 @@
         </activity>
 
 
-        <activity
-            android:name="com.yzq.zxinglibrary.android.CaptureActivity"
-            android:configChanges="orientation|screenSize"
-            android:screenOrientation="portrait"
-            android:theme="@android:style/Theme.NoTitleBar"
-            android:windowSoftInputMode="adjustPan|stateHidden">
-
-        </activity>
 
 
     </application>