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.gitignore

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+*.iml
+.gradle
+/local.properties
+/.idea/workspace.xml
+/.idea/libraries
+.DS_Store
+/build
+/captures
+.externalNativeBuild

app/.gitignore

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+/build

app/build.gradle

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+apply plugin: 'com.android.application'
+
+android {
+    compileSdkVersion 25
+    buildToolsVersion "26.0.0"
+    defaultConfig {
+        applicationId "com.yzq.zxing"
+        minSdkVersion 15
+        targetSdkVersion 25
+        versionCode 1
+        versionName "1.0"
+        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+    }
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+        }
+    }
+}
+
+dependencies {
+    compile fileTree(include: ['*.jar'], dir: 'libs')
+
+    compile 'com.android.support:appcompat-v7:25.3.1'
+    compile 'com.yanzhenjie:permission:1.0.8'
+    compile project(':zxinglibrary')
+}

app/proguard-rules.pro

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+# 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.
+#
+# 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:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile

app/src/main/AndroidManifest.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.yzq.zxing">
+    <uses-permission android:name="android.permission.CAMERA" />
+    <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>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </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>
+
+</manifest>

app/src/main/java/com/yzq/zxing/MainActivity.java

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+package com.yzq.zxing;
+
+import android.Manifest;
+import android.content.Intent;
+import android.graphics.Bitmap;
+import android.net.Uri;
+import android.provider.Settings;
+import android.support.annotation.NonNull;
+import android.support.v7.app.AppCompatActivity;
+import android.os.Bundle;
+import android.view.View;
+import android.widget.Button;
+import android.widget.TextView;
+import android.widget.Toast;
+
+import com.yanzhenjie.permission.AndPermission;
+import com.yanzhenjie.permission.PermissionListener;
+import com.yzq.zxinglibrary.android.CaptureActivity;
+
+import java.util.List;
+
+public class MainActivity extends AppCompatActivity implements View.OnClickListener {
+
+    private Button btn;
+    private TextView resultTv;
+
+    private final int REQUEST_CODE_SCAN = 555;
+
+    /*zxing扫描返回*/
+    public final String DECODED_CONTENT_KEY = "codedContent";
+
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_main);
+
+        btn = (Button) findViewById(R.id.btn);
+        btn.setOnClickListener(this);
+
+        resultTv = (TextView) findViewById(R.id.resultTv);
+    }
+
+    @Override
+    public void onClick(View view) {
+
+        /*先申请相机权限*/
+
+        AndPermission.with(this)
+                .permission(Manifest.permission.CAMERA)
+                .callback(new PermissionListener() {
+                    @Override
+                    public void onSucceed(int requestCode, @NonNull List<String> grantPermissions) {
+                        Intent intent = new Intent(MainActivity.this,
+                                CaptureActivity.class);
+                        startActivityForResult(intent, REQUEST_CODE_SCAN);
+                    }
+
+                    @Override
+                    public void onFailed(int requestCode, @NonNull List<String> deniedPermissions) {
+                        Toast.makeText(MainActivity.this, "您没有给权限，请检查", Toast.LENGTH_LONG).show();
+                    }
+                }).start();
+    }
+
+    @Override
+    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
+        super.onActivityResult(requestCode, resultCode, data);
+
+        // 扫描二维码/条码回传
+        if (requestCode == REQUEST_CODE_SCAN && resultCode == RESULT_OK) {
+            if (data != null) {
+                String content = data.getStringExtra(DECODED_CONTENT_KEY);
+                resultTv.setText("扫描结果为：" + content);
+            }
+        }
+    }
+}

app/src/main/res/layout/activity_main.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical"
+    tools:context="com.yzq.zxing.MainActivity">
+
+    <Button
+        android:id="@+id/btn"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="扫描" />
+
+    <TextView
+        android:id="@+id/resultTv"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+
+
+        />
+
+</LinearLayout>

app/src/main/res/values/colors.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="colorPrimary">#3F51B5</color>
+    <color name="colorPrimaryDark">#303F9F</color>
+    <color name="colorAccent">#FF4081</color>
+</resources>

app/src/main/res/values/strings.xml

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+<resources>
+    <string name="app_name">Zxing</string>
+</resources>

app/src/main/res/values/styles.xml

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+<resources>
+
+    <!-- Base application theme. -->
+    <style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
+        <!-- Customize your theme here. -->
+        <item name="colorPrimary">@color/colorPrimary</item>
+        <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
+        <item name="colorAccent">@color/colorAccent</item>
+    </style>
+
+</resources>

build.gradle

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+// Top-level build file where you can add configuration options common to all sub-projects/modules.
+
+buildscript {
+    repositories {
+        jcenter()
+    }
+    dependencies {
+        classpath 'com.android.tools.build:gradle:2.3.3'
+
+        // NOTE: Do not place your application dependencies here; they belong
+        // in the individual module build.gradle files
+    }
+}
+
+allprojects {
+    repositories {
+        jcenter()
+    }
+}
+
+task clean(type: Delete) {
+    delete rootProject.buildDir
+}