Phecda / react-native-lewin-qrcode

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# OSX
#
.DS_Store
# Xcode
#
build/
*.pbxuser
!default.pbxuser
*.mode1v3
!default.mode1v3
*.mode2v3
!default.mode2v3
*.perspectivev3
!default.perspectivev3
xcuserdata
*.xccheckout
*.moved-aside
DerivedData
*.hmap
*.ipa
*.xcuserstate
project.xcworkspace
# Android/IntelliJ
#
build/
.idea
.gradle
local.properties
*.iml
# node.js
#
node_modules/
npm-debug.log
yarn-error.log
# BUCK
buck-out/
\.buckd/
*.keystore
# fastlane
#
# It is recommended to not store the screenshots in the git repo. Instead, use fastlane to re-generate the
# screenshots whenever they are needed.
# For more information about the recommended setup visit:
# https://docs.fastlane.tools/best-practices/source-control/
*/fastlane/report.xml
*/fastlane/Preview.html
*/fastlane/screenshots
# CocoaPods
Pods
*.dSYM.zip
... ...
*.iml
.gradle
/local.properties
/.idea/workspace.xml
/.idea/libraries
.DS_Store
/build
/captures
.externalNativeBuild
... ...
buildscript {
repositories {
jcenter()
}
dependencies {
classpath 'com.android.tools.build:gradle:1.3.1'
}
}
apply plugin: 'com.android.library'
android {
compileSdkVersion 23
buildToolsVersion "23.0.1"
defaultConfig {
minSdkVersion 16
targetSdkVersion 22
versionCode 1
versionName "1.0"
}
lintOptions {
abortOnError false
}
}
repositories {
mavenCentral()
}
dependencies {
compile 'com.facebook.react:react-native:+'
compile 'com.google.zxing:core:3.3.2'
}
... ...
# Project-wide Gradle settings.
# IDE (e.g. Android Studio) users:
# Gradle settings configured through the IDE *will override*
# any settings specified in this file.
# For more details on how to configure your build environment visit
# http://www.gradle.org/docs/current/userguide/build_environment.html
# Specifies the JVM arguments used for the daemon process.
# The setting is particularly useful for tweaking memory settings.
org.gradle.jvmargs=-Xmx1536m
# When configured, Gradle will run in incubating parallel mode.
# This option should only be used with decoupled projects. More details, visit
# http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
# org.gradle.parallel=true
... ...
No preview for this file type
#Wed Apr 18 16:16:41 CST 2018
distributionBase=GRADLE_USER_HOME
distributionPath=wrapper/dists
zipStoreBase=GRADLE_USER_HOME
zipStorePath=wrapper/dists
distributionUrl=https\://services.gradle.org/distributions/gradle-2.2-all.zip
... ...
#!/usr/bin/env bash
##############################################################################
##
## Gradle start up script for UN*X
##
##############################################################################
# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
DEFAULT_JVM_OPTS=""
APP_NAME="Gradle"
APP_BASE_NAME=`basename "$0"`
# Use the maximum available, or set MAX_FD != -1 to use that value.
MAX_FD="maximum"
warn ( ) {
echo "$*"
}
die ( ) {
echo
echo "$*"
echo
exit 1
}
# OS specific support (must be 'true' or 'false').
cygwin=false
msys=false
darwin=false
case "`uname`" in
CYGWIN* )
cygwin=true
;;
Darwin* )
darwin=true
;;
MINGW* )
msys=true
;;
esac
# Attempt to set APP_HOME
# Resolve links: $0 may be a link
PRG="$0"
# Need this for relative symlinks.
while [ -h "$PRG" ] ; do
ls=`ls -ld "$PRG"`
link=`expr "$ls" : '.*-> \(.*\)$'`
if expr "$link" : '/.*' > /dev/null; then
PRG="$link"
else
PRG=`dirname "$PRG"`"/$link"
fi
done
SAVED="`pwd`"
cd "`dirname \"$PRG\"`/" >/dev/null
APP_HOME="`pwd -P`"
cd "$SAVED" >/dev/null
CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
# Determine the Java command to use to start the JVM.
if [ -n "$JAVA_HOME" ] ; then
if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
# IBM's JDK on AIX uses strange locations for the executables
JAVACMD="$JAVA_HOME/jre/sh/java"
else
JAVACMD="$JAVA_HOME/bin/java"
fi
if [ ! -x "$JAVACMD" ] ; then
die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
Please set the JAVA_HOME variable in your environment to match the
location of your Java installation."
fi
else
JAVACMD="java"
which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
Please set the JAVA_HOME variable in your environment to match the
location of your Java installation."
fi
# Increase the maximum file descriptors if we can.
if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
MAX_FD_LIMIT=`ulimit -H -n`
if [ $? -eq 0 ] ; then
if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
MAX_FD="$MAX_FD_LIMIT"
fi
ulimit -n $MAX_FD
if [ $? -ne 0 ] ; then
warn "Could not set maximum file descriptor limit: $MAX_FD"
fi
else
warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
fi
fi
# For Darwin, add options to specify how the application appears in the dock
if $darwin; then
GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
fi
# For Cygwin, switch paths to Windows format before running java
if $cygwin ; then
APP_HOME=`cygpath --path --mixed "$APP_HOME"`
CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
JAVACMD=`cygpath --unix "$JAVACMD"`
# We build the pattern for arguments to be converted via cygpath
ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
SEP=""
for dir in $ROOTDIRSRAW ; do
ROOTDIRS="$ROOTDIRS$SEP$dir"
SEP="|"
done
OURCYGPATTERN="(^($ROOTDIRS))"
# Add a user-defined pattern to the cygpath arguments
if [ "$GRADLE_CYGPATTERN" != "" ] ; then
OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
fi
# Now convert the arguments - kludge to limit ourselves to /bin/sh
i=0
for arg in "$@" ; do
CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option
if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition
eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
else
eval `echo args$i`="\"$arg\""
fi
i=$((i+1))
done
case $i in
(0) set -- ;;
(1) set -- "$args0" ;;
(2) set -- "$args0" "$args1" ;;
(3) set -- "$args0" "$args1" "$args2" ;;
(4) set -- "$args0" "$args1" "$args2" "$args3" ;;
(5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
(6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
(7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
(8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
(9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
esac
fi
# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
function splitJvmOpts() {
JVM_OPTS=("$@")
}
eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
... ...
@if "%DEBUG%" == "" @echo off
@rem ##########################################################################
@rem
@rem Gradle startup script for Windows
@rem
@rem ##########################################################################
@rem Set local scope for the variables with windows NT shell
if "%OS%"=="Windows_NT" setlocal
@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
set DEFAULT_JVM_OPTS=
set DIRNAME=%~dp0
if "%DIRNAME%" == "" set DIRNAME=.
set APP_BASE_NAME=%~n0
set APP_HOME=%DIRNAME%
@rem Find java.exe
if defined JAVA_HOME goto findJavaFromJavaHome
set JAVA_EXE=java.exe
%JAVA_EXE% -version >NUL 2>&1
if "%ERRORLEVEL%" == "0" goto init
echo.
echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
echo.
echo Please set the JAVA_HOME variable in your environment to match the
echo location of your Java installation.
goto fail
:findJavaFromJavaHome
set JAVA_HOME=%JAVA_HOME:"=%
set JAVA_EXE=%JAVA_HOME%/bin/java.exe
if exist "%JAVA_EXE%" goto init
echo.
echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
echo.
echo Please set the JAVA_HOME variable in your environment to match the
echo location of your Java installation.
goto fail
:init
@rem Get command-line arguments, handling Windowz variants
if not "%OS%" == "Windows_NT" goto win9xME_args
if "%@eval[2+2]" == "4" goto 4NT_args
:win9xME_args
@rem Slurp the command line arguments.
set CMD_LINE_ARGS=
set _SKIP=2
:win9xME_args_slurp
if "x%~1" == "x" goto execute
set CMD_LINE_ARGS=%*
goto execute
:4NT_args
@rem Get arguments from the 4NT Shell from JP Software
set CMD_LINE_ARGS=%$
:execute
@rem Setup the command line
set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
@rem Execute Gradle
"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
:end
@rem End local scope for the variables with windows NT shell
if "%ERRORLEVEL%"=="0" goto mainEnd
:fail
rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
rem the _cmd.exe /c_ return code!
if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
exit /b 1
:mainEnd
if "%OS%"=="Windows_NT" endlocal
:omega
... ...
package com.lewin.qrcode;
import android.content.Context;
import android.support.test.InstrumentationRegistry;
import android.support.test.runner.AndroidJUnit4;
import org.junit.Test;
import org.junit.runner.RunWith;
import static org.junit.Assert.*;
/**
* Instrumented test, which will execute on an Android device.
*
* @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
*/
@RunWith(AndroidJUnit4.class)
public class ExampleInstrumentedTest {
@Test
public void useAppContext() throws Exception {
// Context of the app under test.
Context appContext = InstrumentationRegistry.getTargetContext();
assertEquals("com.lewin.qrcode", appContext.getPackageName());
}
}
... ...
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.lewin.qrcode">
<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" />
</manifest>
... ...
package io.yimiao.bitcoin.module;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import com.facebook.react.bridge.Promise;
import com.facebook.react.bridge.ReactApplicationContext;
import com.facebook.react.bridge.ReactContextBaseJavaModule;
import com.facebook.react.bridge.ReactMethod;
import com.google.zxing.BinaryBitmap;
import com.google.zxing.ChecksumException;
import com.google.zxing.DecodeHintType;
import com.google.zxing.FormatException;
import com.google.zxing.MultiFormatReader;
import com.google.zxing.NotFoundException;
import com.google.zxing.PlanarYUVLuminanceSource;
import com.google.zxing.RGBLuminanceSource;
import com.google.zxing.ReaderException;
import com.google.zxing.Result;
import com.google.zxing.common.HybridBinarizer;
import com.google.zxing.qrcode.QRCodeReader;
import java.util.Hashtable;
/**
* Created by lewin on 2018/3/14.
*/
public class QRScanReader extends ReactContextBaseJavaModule {
public QRScanReader(ReactApplicationContext reactContext) {
super(reactContext);
}
@Override
public String getName() {
return "QRScanReader";
}
@ReactMethod
public void readerQR(String fileUrl, Promise promise ) {
Result result = scanningImage(fileUrl);
if(result == null){
promise.reject("404","没有相关的二维码");
// result = decodeBarcodeRGB(fileUrl);
// if(result == null){
// result = decodeBarcodeYUV(fileUrl);
// if(result == null){
// promise.reject("404","没有相关的二维码");
// }else{
// promise.resolve(result.getText());
// }
// }else{
// promise.resolve(result.getText());
// }
}else{
promise.resolve(result.getText());
}
}
/**
* 扫描二维码图片的方法
* @param path
* @return
*/
public Result scanningImage(String path) {
if (path == null || path.length() == 0) {
return null;
}
Hashtable<DecodeHintType, String> hints = new Hashtable<>();
hints.put(DecodeHintType.CHARACTER_SET, "UTF8"); //设置二维码内容的编码
BitmapFactory.Options options = new BitmapFactory.Options();
options.inJustDecodeBounds = true; // 先获取原大小
Bitmap scanBitmap = BitmapFactory.decodeFile(path, options);
options.inJustDecodeBounds = false; // 获取新的大小
int sampleSize = (int) (options.outHeight / (float) 200);
if (sampleSize <= 0)
sampleSize = 1;
options.inSampleSize = sampleSize;
scanBitmap = BitmapFactory.decodeFile(path, options);
int width=scanBitmap.getWidth();
int height=scanBitmap.getHeight();
int[] pixels=new int[width*height];
scanBitmap.getPixels(pixels,0,width,0,0,width,height);//获取图片像素点
RGBLuminanceSource source = new RGBLuminanceSource(scanBitmap.getWidth(),scanBitmap.getHeight(),pixels);
BinaryBitmap bitmap1 = new BinaryBitmap(new HybridBinarizer(source));
QRCodeReader reader = new QRCodeReader();
try {
return reader.decode(bitmap1, hints);
} catch (NotFoundException e) {
e.printStackTrace();
} catch (ChecksumException e) {
e.printStackTrace();
} catch (FormatException e) {
e.printStackTrace();
}
return null;
}
/**
* 解析二维码（使用解析RGB编码数据的方式）
*
* @param path
* @return
*/
public static Result decodeBarcodeRGB(String path) {
BitmapFactory.Options opts = new BitmapFactory.Options();
opts.inSampleSize = 1;
Bitmap barcode = BitmapFactory.decodeFile(path, opts);
Result result = decodeBarcodeRGB(barcode);
barcode.recycle();
barcode = null;
return result;
}
/**
* 解析二维码 （使用解析RGB编码数据的方式）
*
* @param barcode
* @return
*/
public static Result decodeBarcodeRGB(Bitmap barcode) {
int width = barcode.getWidth();
int height = barcode.getHeight();
int[] data = new int[width * height];
barcode.getPixels(data, 0, width, 0, 0, width, height);
RGBLuminanceSource source = new RGBLuminanceSource(width, height, data);
BinaryBitmap bitmap1 = new BinaryBitmap(new HybridBinarizer(source));
QRCodeReader reader = new QRCodeReader();
Result result = null;
try {
result = reader.decode(bitmap1);
} catch (NotFoundException e) {
e.printStackTrace();
} catch (ChecksumException e) {
e.printStackTrace();
} catch (FormatException e) {
e.printStackTrace();
}
barcode.recycle();
barcode = null;
return result;
}
/**
* 解析二维码（使用解析YUV编码数据的方式）
*
* @param path
* @return
*/
public static Result decodeBarcodeYUV(String path) {
if (path == null || path.length() == 0) {
return null;
}
BitmapFactory.Options opts = new BitmapFactory.Options();
opts.inSampleSize = 1;
Bitmap barcode = BitmapFactory.decodeFile(path, opts);
Result result = decodeBarcodeYUV(barcode);
barcode.recycle();
barcode = null;
return result;
}
/**
* 解析二维码（使用解析YUV编码数据的方式）
*
* @param barcode
* @return
*/
public static Result decodeBarcodeYUV(Bitmap barcode) {
if (null == barcode) {
return null;
}
int width = barcode.getWidth();
int height = barcode.getHeight();
//以argb方式存放图片的像素
int[] argb = new int[width * height];
barcode.getPixels(argb, 0, width, 0, 0, width, height);
//将argb转换为yuv
byte[] yuv = new byte[width * height * 3 / 2];
encodeYUV420SP(yuv, argb, width, height);
//解析YUV编码方式的二维码
Result result = decodeBarcodeYUV(yuv, width, height);
barcode.recycle();
barcode = null;
return result;
}
/**
* 解析二维码（使用解析YUV编码数据的方式）
*
* @param yuv
* @param width
* @param height
* @return
*/
private static Result decodeBarcodeYUV(byte[] yuv, int width, int height) {
long start = System.currentTimeMillis();
MultiFormatReader multiFormatReader = new MultiFormatReader();
multiFormatReader.setHints(null);
Result rawResult = null;
PlanarYUVLuminanceSource source = new PlanarYUVLuminanceSource(yuv, width, height, 0, 0,
width, height, false);
if (source != null) {
BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(source));
try {
rawResult = multiFormatReader.decodeWithState(bitmap);
} catch (ReaderException re) {
re.printStackTrace();
} finally {
multiFormatReader.reset();
multiFormatReader = null;
}
}
long end = System.currentTimeMillis();
return rawResult;
}
/**
* RGB转YUV的公式是:
* Y=0.299R+0.587G+0.114B;
* U=-0.147R-0.289G+0.436B;
* V=0.615R-0.515G-0.1B;
*
* @param yuv
* @param argb
* @param width
* @param height
*/
private static void encodeYUV420SP(byte[] yuv, int[] argb, int width, int height) {
// 帧图片的像素大小
final int frameSize = width * height;
// ---YUV数据---
int Y, U, V;
// Y的index从0开始
int yIndex = 0;
// UV的index从frameSize开始
int uvIndex = frameSize;
// ---颜色数据---
int R, G, B;
int rgbIndex = 0;
// ---循环所有像素点，RGB转YUV---
for (int j = 0; j < height; j++) {
for (int i = 0; i < width; i++) {
R = (argb[rgbIndex] & 0xff0000) >> 16;
G = (argb[rgbIndex] & 0xff00) >> 8;
B = (argb[rgbIndex] & 0xff);
//
rgbIndex++;
// well known RGB to YUV algorithm
Y = ((66 * R + 129 * G + 25 * B + 128) >> 8) + 16;
U = ((-38 * R - 74 * G + 112 * B + 128) >> 8) + 128;
V = ((112 * R - 94 * G - 18 * B + 128) >> 8) + 128;
Y = Math.max(0, Math.min(Y, 255));
U = Math.max(0, Math.min(U, 255));
V = Math.max(0, Math.min(V, 255));
// NV21 has a plane of Y and interleaved planes of VU each sampled by a factor of 2
// meaning for every 4 Y pixels there are 1 V and 1 U. Note the sampling is every other
// pixel AND every other scan line.
// ---Y---
yuv[yIndex++] = (byte) Y;
// ---UV---
if ((j % 2 == 0) && (i % 2 == 0)) {
//
yuv[uvIndex++] = (byte) V;
//
yuv[uvIndex++] = (byte) U;
}
}
}
}
}
... ...
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xmlns:aapt="http://schemas.android.com/aapt"
android:width="108dp"
android:height="108dp"
android:viewportHeight="108"
android:viewportWidth="108">
<path
android:fillType="evenOdd"
android:pathData="M32,64C32,64 38.39,52.99 44.13,50.95C51.37,48.37 70.14,49.57 70.14,49.57L108.26,87.69L108,109.01L75.97,107.97L32,64Z"
android:strokeColor="#00000000"
android:strokeWidth="1">
<aapt:attr name="android:fillColor">
<gradient
android:endX="78.5885"
android:endY="90.9159"
android:startX="48.7653"
android:startY="61.0927"
android:type="linear">
<item
android:color="#44000000"
android:offset="0.0" />
<item
android:color="#00000000"
android:offset="1.0" />
</gradient>
</aapt:attr>
</path>
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android:fillColor="#FFFFFF"
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android:strokeColor="#00000000"
android:strokeWidth="1" />
</vector>
... ...
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android:width="108dp"
android:height="108dp"
android:viewportHeight="108"
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android:fillColor="#00000000"
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android:fillColor="#00000000"
android:pathData="M99,0L99,108"
android:strokeColor="#33FFFFFF"
android:strokeWidth="0.8" />
<path
android:fillColor="#00000000"
android:pathData="M0,9L108,9"
android:strokeColor="#33FFFFFF"
android:strokeWidth="0.8" />
<path
android:fillColor="#00000000"
android:pathData="M0,19L108,19"
android:strokeColor="#33FFFFFF"
android:strokeWidth="0.8" />
<path
android:fillColor="#00000000"
android:pathData="M0,29L108,29"
android:strokeColor="#33FFFFFF"
android:strokeWidth="0.8" />
<path
android:fillColor="#00000000"
android:pathData="M0,39L108,39"
android:strokeColor="#33FFFFFF"
android:strokeWidth="0.8" />
<path
android:fillColor="#00000000"
android:pathData="M0,49L108,49"
android:strokeColor="#33FFFFFF"
android:strokeWidth="0.8" />
<path
android:fillColor="#00000000"
android:pathData="M0,59L108,59"
android:strokeColor="#33FFFFFF"
android:strokeWidth="0.8" />
<path
android:fillColor="#00000000"
android:pathData="M0,69L108,69"
android:strokeColor="#33FFFFFF"
android:strokeWidth="0.8" />
<path
android:fillColor="#00000000"
android:pathData="M0,79L108,79"
android:strokeColor="#33FFFFFF"
android:strokeWidth="0.8" />
<path
android:fillColor="#00000000"
android:pathData="M0,89L108,89"
android:strokeColor="#33FFFFFF"
android:strokeWidth="0.8" />
<path
android:fillColor="#00000000"
android:pathData="M0,99L108,99"
android:strokeColor="#33FFFFFF"
android:strokeWidth="0.8" />
<path
android:fillColor="#00000000"
android:pathData="M19,29L89,29"
android:strokeColor="#33FFFFFF"
android:strokeWidth="0.8" />
<path
android:fillColor="#00000000"
android:pathData="M19,39L89,39"
android:strokeColor="#33FFFFFF"
android:strokeWidth="0.8" />
<path
android:fillColor="#00000000"
android:pathData="M19,49L89,49"
android:strokeColor="#33FFFFFF"
android:strokeWidth="0.8" />
<path
android:fillColor="#00000000"
android:pathData="M19,59L89,59"
android:strokeColor="#33FFFFFF"
android:strokeWidth="0.8" />
<path
android:fillColor="#00000000"
android:pathData="M19,69L89,69"
android:strokeColor="#33FFFFFF"
android:strokeWidth="0.8" />
<path
android:fillColor="#00000000"
android:pathData="M19,79L89,79"
android:strokeColor="#33FFFFFF"
android:strokeWidth="0.8" />
<path
android:fillColor="#00000000"
android:pathData="M29,19L29,89"
android:strokeColor="#33FFFFFF"
android:strokeWidth="0.8" />
<path
android:fillColor="#00000000"
android:pathData="M39,19L39,89"
android:strokeColor="#33FFFFFF"
android:strokeWidth="0.8" />
<path
android:fillColor="#00000000"
android:pathData="M49,19L49,89"
android:strokeColor="#33FFFFFF"
android:strokeWidth="0.8" />
<path
android:fillColor="#00000000"
android:pathData="M59,19L59,89"
android:strokeColor="#33FFFFFF"
android:strokeWidth="0.8" />
<path
android:fillColor="#00000000"
android:pathData="M69,19L69,89"
android:strokeColor="#33FFFFFF"
android:strokeWidth="0.8" />
<path
android:fillColor="#00000000"
android:pathData="M79,19L79,89"
android:strokeColor="#33FFFFFF"
android:strokeWidth="0.8" />
</vector>
... ...
<?xml version="1.0" encoding="utf-8"?>
<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
<background android:drawable="@drawable/ic_launcher_background" />
<foreground android:drawable="@drawable/ic_launcher_foreground" />
</adaptive-icon>
\ No newline at end of file
... ...
<?xml version="1.0" encoding="utf-8"?>
<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
<background android:drawable="@drawable/ic_launcher_background" />
<foreground android:drawable="@drawable/ic_launcher_foreground" />
</adaptive-icon>
\ No newline at end of file
... ...
<?xml version="1.0" encoding="utf-8"?>
<resources>
<color name="colorPrimary">#3F51B5</color>
<color name="colorPrimaryDark">#303F9F</color>
<color name="colorAccent">#FF4081</color>
</resources>
... ...
<resources>
<string name="app_name">My Application</string>
</resources>
... ...
<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>
... ...
package com.lewin.qrcode;
import org.junit.Test;
import static org.junit.Assert.*;
/**
* Example local unit test, which will execute on the development machine (host).
*
* @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
*/
public class ExampleUnitTest {
@Test
public void addition_isCorrect() throws Exception {
assertEquals(4, 2 + 2);
}
}
\ No newline at end of file
... ...
import {
NativeModules,
} from 'react-native';
export const readerQR= (fileUrl)=>{
var QRScanReader = NativeModules.QRScanReader;
return QRScanReader.readerQR(fileUrl);
}
\ No newline at end of file
... ...
This diff is collapsed. Click to expand it.
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<key>CFBundleDevelopmentRegion</key>
<string>$(DEVELOPMENT_LANGUAGE)</string>
<key>CFBundleExecutable</key>
<string>$(EXECUTABLE_NAME)</string>
<key>CFBundleIdentifier</key>
<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
<key>CFBundleInfoDictionaryVersion</key>
<string>6.0</string>
<key>CFBundleName</key>
<string>$(PRODUCT_NAME)</string>
<key>CFBundlePackageType</key>
<string>FMWK</string>
<key>CFBundleShortVersionString</key>
<string>1.0</string>
<key>CFBundleVersion</key>
<string>$(CURRENT_PROJECT_VERSION)</string>
<key>NSPrincipalClass</key>
<string></string>
</dict>
</plist>
... ...
//
// QRScanReader.h
// Bitcoin
//
// Created by lewin on 2018/3/14.
// Copyright © 2018年 Facebook. All rights reserved.
//
#import <Foundation/Foundation.h>
#import <React/RCTBridgeModule.h>
@interface QRScanReader : NSObject<RCTBridgeModule>
@end
... ...
//
// QRScanReader.m
// Bitcoin
//
// Created by lewin on 2018/3/14.
// Copyright © 2018年 Facebook. All rights reserved.
//
#import "QRScanReader.h"
#import <AVFoundation/AVFoundation.h>
#import <CoreImage/CoreImage.h>
@implementation QRScanReader
RCT_EXPORT_MODULE();
RCT_EXPORT_METHOD(readerQR:(NSString *)fileUrl success:(RCTPromiseResolveBlock)success failure:(RCTResponseErrorBlock)failure){
dispatch_sync(dispatch_get_main_queue(), ^{
NSString *result = [self readerQR:fileUrl];
if(result){
success(result);
}else{
NSString *domain = @"yitang.xiao";
NSString *desc = NSLocalizedString(@"没有相关二维码", @"");
NSDictionary *userInfo = @{ NSLocalizedDescriptionKey : desc };
NSError *error = [NSError errorWithDomain:domain
code:404
userInfo:userInfo];
failure(error);
}
});
}
-(NSString*)readerQR:(NSString*)fileUrl{
fileUrl = [fileUrl stringByReplacingOccurrencesOfString:@"file://" withString:@""];
CIContext *context = [CIContext contextWithOptions:nil];
// CIDetector(CIDetector可用于人脸识别)进行图片解析，声明一个CIDetector，并设定识别类型 CIDetectorTypeQRCode
CIDetector *detector = [CIDetector detectorOfType:CIDetectorTypeQRCode context:context options:@{CIDetectorAccuracy:CIDetectorAccuracyHigh}];
NSData *fileData = [[NSData alloc] initWithContentsOfFile:fileUrl];
CIImage *ciImage = [CIImage imageWithData:fileData];
NSArray *features = [detector featuresInImage:ciImage];
if(!features || features.count==0){
return nil;
}
//3. 获取扫描结果
CIQRCodeFeature *feature = [features objectAtIndex:0];
NSString *scannedResult = feature.messageString;
return scannedResult;
}
@end
... ...
//
// QrCode.h
// QrCode
//
// Created by lewin on 2018/4/18.
// Copyright © 2018年 lewin. All rights reserved.
//
#import <UIKit/UIKit.h>
//! Project version number for QrCode.
FOUNDATION_EXPORT double QrCodeVersionNumber;
//! Project version string for QrCode.
FOUNDATION_EXPORT const unsigned char QrCodeVersionString[];
// In this header, you should import all the public headers of your framework using statements like #import <QrCode/PublicHeader.h>
... ...
{
"name": "react-native-lewin-qrcode",
"version": "1.0.0",
"lockfileVersion": 1
}
... ...
{
"name": "react-native-lewin-qrcode",
"version": "1.0.0",
"description": "二维码识别",
"main": "index.js",
"scripts": {
"test": "echo \"Error: no test specified\" && exit 1"
},
"repository": {
"type": "git",
"url": "git+https://github.com/LewinJun/react-native-lewin-qrcode.git"
},
"keywords": [
"qrcode"
],
"author": "lewin",
"license": "ISC",
"bugs": {
"url": "https://github.com/LewinJun/react-native-lewin-qrcode/issues"
},
"homepage": "https://github.com/LewinJun/react-native-lewin-qrcode#readme",
"peerDependencies": {
"react-native": "latest"
}
}
... ...