在github网站搜索Zxing
详见:https://github.com/yipianfengye/android-zxingLibrary
在module的build.gradle中执行compile操作
compile 'cn.yipianfengye.android:zxing-library:2.1'
在Activity或者Application onCreate()中执行初始化操作
@Override
public void onCreate() {
super.onCreate();
ZXingLibrary.initDisplayOpinion(this);
}
添加权限:
<uses-permission android:name="android.permission.CAMERA"/>
<uses-permission android:name="android.permission.INTERNET"/>
<uses-permission android:name="android.permission.VIBRATE"/>
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>
代码实现:
package com.loaderman.zxingdemo;
import android.content.ContentResolver;
import android.content.Intent;
import android.graphics.Bitmap;
import android.net.Uri;
import android.os.Bundle;
import android.provider.MediaStore;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.widget.Toast;
import com.uuzuche.lib_zxing.activity.CaptureActivity;
import com.uuzuche.lib_zxing.activity.CodeUtils;
import com.uuzuche.lib_zxing.activity.ZXingLibrary;
public class MainActivity extends AppCompatActivity {
private static final int REQUEST_CODE = 10;
private static final int REQUEST_IMAGE = 20;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
ZXingLibrary.initDisplayOpinion(this);
findViewById(R.id.btn_create).setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
startActivity(new Intent(MainActivity.this,CreateActviity.class));
}
});
findViewById(R.id.btn_open).setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {//集成默认的二维码扫描页面
Intent intent = new Intent(MainActivity.this, CaptureActivity.class);
startActivityForResult(intent, REQUEST_CODE);
}
});
findViewById(R.id.btn_openPictrue).setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {//集成对二维码图片的解析功能
Intent intent = new Intent(Intent.ACTION_GET_CONTENT);
intent.addCategory(Intent.CATEGORY_OPENABLE);
intent.setType("image/*");
startActivityForResult(intent, REQUEST_IMAGE);
}
});
findViewById(R.id.btn_zidingyi).setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
startActivity(new Intent(MainActivity.this,MyZxingActviity.class));//定制化显示扫描UI
}
});
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
if (requestCode == REQUEST_CODE) {
//处理扫描结果（在界面上显示）
if (null != data) {
Bundle bundle = data.getExtras();
if (bundle == null) {
return;
}
if (bundle.getInt(CodeUtils.RESULT_TYPE) == CodeUtils.RESULT_SUCCESS) {
String result = bundle.getString(CodeUtils.RESULT_STRING);
Toast.makeText(this, "解析结果:" + result, Toast.LENGTH_LONG).show();
} else if (bundle.getInt(CodeUtils.RESULT_TYPE) == CodeUtils.RESULT_FAILED) {
Toast.makeText(MainActivity.this, "解析二维码失败", Toast.LENGTH_LONG).show();
}
}
}
if (requestCode == REQUEST_IMAGE) {
if (data != null) {
Uri uri = data.getData();
ContentResolver cr = getContentResolver();
try {
Bitmap mBitmap = MediaStore.Images.Media.getBitmap(cr, uri);//显得到bitmap图片
String path = ImageUtil.getImageAbsolutePath(this, uri);
CodeUtils.analyzeBitmap(path, new CodeUtils.AnalyzeCallback() {
@Override
public void onAnalyzeSuccess(Bitmap mBitmap, String result) {
Toast.makeText(MainActivity.this, "解析结果:" + result, Toast.LENGTH_LONG).show();
}
@Override
public void onAnalyzeFailed() {
Toast.makeText(MainActivity.this, "解析二维码失败", Toast.LENGTH_LONG).show();
}
});
if (mBitmap != null) {
mBitmap.recycle();
}
} catch (Exception e) {
e.printStackTrace();
}
}
}
}
}
activity_main.xml
<?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:id="@+id/activity_main"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
android:gravity="center"
tools:context="com.loaderman.zxingdemo.MainActivity">
<Button
android:id="@+id/btn_open"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="开始扫描二维码"/>
<Button
android:layout_width="wrap_content"
android:id="@+id/btn_openPictrue"
android:text="打开图库解析图片二维码"
android:layout_height="wrap_content"/>
<Button
android:layout_width="wrap_content"
android:id="@+id/btn_zidingyi"
android:text="自定义布局UI扫描二维码"
android:layout_height="wrap_content"/>
<Button
android:layout_width="wrap_content"
android:id="@+id/btn_create"
android:text="生成二维码"
android:layout_height="wrap_content"/>
</LinearLayout>
package com.loaderman.zxingdemo;
import android.annotation.TargetApi;
import android.content.ContentUris;
import android.content.Context;
import android.database.Cursor;
import android.net.Uri;
import android.os.Environment;
import android.provider.DocumentsContract;
import android.provider.MediaStore;
public class ImageUtil {
/**
* 根据Uri获取图片绝对路径，解决Android4.4以上版本Uri转换
*
* @param context
* @param imageUri
*/
@TargetApi(19)
public static String getImageAbsolutePath(Context context, Uri imageUri) {
if (context == null || imageUri == null)
return null;
if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.KITKAT && DocumentsContract.isDocumentUri(context, imageUri)) {
if (isExternalStorageDocument(imageUri)) {
String docId = DocumentsContract.getDocumentId(imageUri);
String[] split = docId.split(":");
String type = split[0];
if ("primary".equalsIgnoreCase(type)) {
return Environment.getExternalStorageDirectory() + "/" + split[1];
}
} else if (isDownloadsDocument(imageUri)) {
String id = DocumentsContract.getDocumentId(imageUri);
Uri contentUri = ContentUris.withAppendedId(Uri.parse("content://downloads/public_downloads"), Long.valueOf(id));
return getDataColumn(context, contentUri, null, null);
} else if (isMediaDocument(imageUri)) {
String docId = DocumentsContract.getDocumentId(imageUri);
String[] split = docId.split(":");
String type = split[0];
Uri contentUri = null;
if ("image".equals(type)) {
contentUri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI;
} else if ("video".equals(type)) {
contentUri = MediaStore.Video.Media.EXTERNAL_CONTENT_URI;
} else if ("audio".equals(type)) {
contentUri = MediaStore.Audio.Media.EXTERNAL_CONTENT_URI;
}
String selection = MediaStore.Images.Media._ID + "=?";
String[] selectionArgs = new String[]{split[1]};
return getDataColumn(context, contentUri, selection, selectionArgs);
}
} // MediaStore (and general)
else if ("content".equalsIgnoreCase(imageUri.getScheme())) {
// Return the remote address
if (isGooglePhotosUri(imageUri)) {
return imageUri.getLastPathSegment();
}
//return getDataColumn(context, imageUri, null, null);
return getRealPathFromUri(context, imageUri);
}
// File
else if ("file".equalsIgnoreCase(imageUri.getScheme())) {
return imageUri.getPath();
}
return null;
}
public static String getDataColumn(Context context, Uri uri, String selection, String[] selectionArgs) {
Cursor cursor = null;
String column = MediaStore.Images.Media.DATA;
String[] projection = {column};
try {
cursor = context.getContentResolver().query(uri, projection, selection, selectionArgs, null);
if (cursor != null && cursor.moveToFirst()) {
int index = cursor.getColumnIndexOrThrow(column);
return cursor.getString(index);
}
} finally {
if (cursor != null)
cursor.close();
}
return null;
}
public static String getRealPathFromUri(Context context, Uri contentUri) {
Cursor cursor = null;
try {
String[] proj = { MediaStore.Images.Media.DATA };
cursor = context.getContentResolver().query(contentUri, proj, null, null, null);
int column_index = cursor.getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
cursor.moveToFirst();
return cursor.getString(column_index);
} finally {
if (cursor != null) {
cursor.close();
}
}
}
/**
* @param uri The Uri to check.
* @return Whether the Uri authority is ExternalStorageProvider.
*/
public static boolean isExternalStorageDocument(Uri uri) {
return "com.android.externalstorage.documents".equals(uri.getAuthority());
}
/**
* @param uri The Uri to check.
* @return Whether the Uri authority is DownloadsProvider.
*/
public static boolean isDownloadsDocument(Uri uri) {
return "com.android.providers.downloads.documents".equals(uri.getAuthority());
}
/**
* @param uri The Uri to check.
* @return Whether the Uri authority is MediaProvider.
*/
public static boolean isMediaDocument(Uri uri) {
return "com.android.providers.media.documents".equals(uri.getAuthority());
}
/**
* @param uri The Uri to check.
* @return Whether the Uri authority is Google Photos.
*/
public static boolean isGooglePhotosUri(Uri uri) {
return "com.google.android.apps.photos.content".equals(uri.getAuthority());
}
}
package com.loaderman.zxingdemo;
import android.content.Intent;
import android.graphics.Bitmap;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.widget.Button;
import com.uuzuche.lib_zxing.activity.CaptureFragment;
import com.uuzuche.lib_zxing.activity.CodeUtils;
public class MyZxingActviity extends AppCompatActivity {
private boolean flag = false;
private Button btnLight;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_my_zxing_actviity);
btnLight = (Button) findViewById(R.id.btn_light);
btnLight.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
if (flag) {
//关闭闪光灯
CodeUtils.isLightEnable(false);
flag = false;
} else {
// 打开闪光灯
flag = true;
CodeUtils.isLightEnable(true);
}
}
});
findViewById(R.id.btn_cancel).setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
finish();
}
});
/**
* 执行扫面Fragment的初始化操作
*/
CaptureFragment captureFragment = new CaptureFragment();
// 为二维码扫描界面设置定制化界面
CodeUtils.setFragmentArgs(captureFragment, R.layout.my_camera);
captureFragment.setAnalyzeCallback(analyzeCallback);
/**
* 替换自定义扫描控件
*/
getSupportFragmentManager().beginTransaction().replace(R.id.fl_my_container, captureFragment).commit();
}
/**
* 二维码解析回调函数
*/
CodeUtils.AnalyzeCallback analyzeCallback = new CodeUtils.AnalyzeCallback() {
@Override
public void onAnalyzeSuccess(Bitmap mBitmap, String result) {
Intent resultIntent = new Intent();
Bundle bundle = new Bundle();
bundle.putInt(CodeUtils.RESULT_TYPE, CodeUtils.RESULT_SUCCESS);
bundle.putString(CodeUtils.RESULT_STRING, result);
resultIntent.putExtras(bundle);
MyZxingActviity.this.setResult(RESULT_OK, resultIntent);
MyZxingActviity.this.finish();
}
@Override
public void onAnalyzeFailed() {
Intent resultIntent = new Intent();
Bundle bundle = new Bundle();
bundle.putInt(CodeUtils.RESULT_TYPE, CodeUtils.RESULT_FAILED);
bundle.putString(CodeUtils.RESULT_STRING, "");
resultIntent.putExtras(bundle);
MyZxingActviity.this.setResult(RESULT_OK, resultIntent);
MyZxingActviity.this.finish();
}
};
}
activity_my_zxing_actviity.xml
<?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:id="@+id/activity_my_zxing_actviity"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
tools:context="com.loaderman.zxingdemo.MyZxingActviity">
<FrameLayout
android:layout_weight="1"
android:id="@+id/fl_my_container"
android:layout_width="match_parent"
android:layout_height="match_parent"
></FrameLayout>
<Button
android:id="@+id/btn_cancel"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="取消"
android:layout_marginTop="20dp"
android:layout_marginLeft="20dp"
android:layout_marginRight="20dp"
android:layout_marginBottom="10dp"
android:layout_gravity="bottom|center_horizontal"
/>
<Button
android:id="@+id/btn_light"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="闪光灯控制"
android:layout_marginTop="20dp"
android:layout_marginLeft="20dp"
android:layout_marginRight="20dp"
android:layout_marginBottom="10dp"
android:layout_gravity="bottom|center_horizontal"
/>
</LinearLayout>
my_camera.xml
<?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="fill_parent"
android:layout_height="fill_parent" >
<SurfaceView
android:id="@+id/preview_view"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
/>
<com.uuzuche.lib_zxing.view.ViewfinderView
android:id="@+id/viewfinder_view"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
app:inner_width="200dp"
app:inner_height="200dp"
app:inner_margintop="150dp"
app:inner_corner_color="#f00"
app:inner_corner_length="30dp"
app:inner_corner_width="5dp"
app:inner_scan_bitmap="@drawable/ic_launcher"
app:inner_scan_speed="10"
app:inner_scan_iscircle="false"
/>
</FrameLayout>
生成二维码图片
package com.loaderman.zxingdemo;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.text.TextUtils;
import android.view.View;
import android.widget.ImageView;
import android.widget.TextView;
import android.widget.Toast;
import com.uuzuche.lib_zxing.activity.CodeUtils;
public class CreateActviity extends AppCompatActivity {
private TextView editText;
private ImageView iv;
private Bitmap mBitmap;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_create_actviity);
editText = (TextView) findViewById(R.id.et_text);
iv = (ImageView) findViewById(R.id.iv);
findViewById(R.id.btn_logo).setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {//生成带Logo的二维码图片
String textContent = editText.getText().toString();
if (TextUtils.isEmpty(textContent)) {
Toast.makeText(CreateActviity.this, "您的输入为空!", Toast.LENGTH_SHORT).show();
return;
}
editText.setText("");
mBitmap = CodeUtils.createImage(textContent, 400, 400, BitmapFactory.decodeResource(getResources(), R.mipmap.ic_launcher));
iv.setImageBitmap(mBitmap);
}
});
findViewById(R.id.btn_no_logo).setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {//生成不带logo的二维码图片
String textContent = editText.getText().toString();
if (TextUtils.isEmpty(textContent)) {
Toast.makeText(CreateActviity.this, "您的输入为空!", Toast.LENGTH_SHORT).show();
return;
}
editText.setText("");
mBitmap = CodeUtils.createImage(textContent, 400, 400, null);
iv.setImageBitmap(mBitmap);
}
});
}
}
activity_create_actviity.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
android:orientation="vertical"
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/activity_create_actviity"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context="com.loaderman.zxingdemo.CreateActviity">
<EditText
android:id="@+id/et_text"
android:layout_width="match_parent"
android:text="输入要生成的二维码内容"
android:layout_height="wrap_content"/>
<Button
android:id="@+id/btn_logo"
android:text="生成带Logo的二维码"
android:layout_width="match_parent"
android:layout_height="wrap_content"/>
<Button
android:id="@+id/btn_no_logo"
android:text="生成不带logo的二维码"
android:layout_width="match_parent"
android:layout_height="wrap_content"/>
<ImageView
android:id="@+id/iv"
android:layout_width="wrap_content"
android:layout_height="wrap_content"/>
</LinearLayout>
效果图:
