集成华为HMS Scankit 扫码SDK实现自定义扫码页面,扫一扫二维码
程序员文章站
2022-11-03 08:22:18
1:应用场景: Android开发实现扫一扫功能,比ZXing效果好,集成简单。2:官方Demo: 官网Demo体验地址:华为Demo,示例代码下来就可以运行。3:开发: 1:在项目级gradle里添加华为maven仓// Top-level build file where you can add configuration options common to all sub-projects/modules.buildscript { ......
1:应用场景:
Android开发实现扫一扫功能,比ZXing效果好,集成简单。
2:官方Demo:
官网Demo体验地址:华为Demo,示例代码下来就可以运行。
3:开发:
1:在项目级gradle里添加华为maven仓
// Top-level build file where you can add configuration options common to all sub-projects/modules.
buildscript {
repositories {
google()
jcenter()
maven {url 'http://developer.huawei.com/repo/'}
}
dependencies {
classpath 'com.android.tools.build:gradle:3.6.3'
// NOTE: Do not place your application dependencies here; they belong
// in the individual module build.gradle files
}
}
allprojects {
repositories {
google()
jcenter()
maven { url 'http://developer.huawei.com/repo/'}
}
}
task clean(type: Delete) {
delete rootProject.buildDir
}
2:在应用级的build.gradle里面加上SDK依赖
// 华为二维码扫描
implementation 'com.huawei.hms:scan:1.1.3.301'
3:Manifest申请静态权限和扫码页面:
<!--相机权限-->
<uses-permission android:name="android.permission.CAMERA" />
<!--读文件权限-->
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
<!--使用特性-->
<uses-feature android:name="android.hardware.camera" />
<uses-feature android:name="android.hardware.camera.autofocus" />
<!--震动权限-->
<uses-permission android:name="android.permission.VIBRATE" />
<!-- 自定义扫码界面-->
<activity
android:screenOrientation="portrait"
android:theme="@style/Theme.AppCompat.Light.NoActionBar"
android:windowSoftInputMode="adjustPan|stateHidden"
android:name=".ScanQrActivity"/>
4:在启动扫码Activity的地方添加动态权限申请:
public class MainActivity extends AppCompatActivity {
TextView textView;
public static int REQUEST_CODE = 0x11;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
textView = findViewById(R.id.bt);
textView.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
//申请权限
ActivityCompat.requestPermissions(
MainActivity.this,
new String[]{Manifest.permission.CAMERA, Manifest.permission.READ_EXTERNAL_STORAGE},
REQUEST_CODE);
}
});
}
@Override
public void onRequestPermissionsResult(int requestCode, String[] permissions, int[] grantResults) {
if (permissions == null || grantResults == null) {
return;
}
if (grantResults.length < 2 || grantResults[0] != PackageManager.PERMISSION_GRANTED || grantResults[1] != PackageManager.PERMISSION_GRANTED) {
return;
}
if (requestCode == REQUEST_CODE) {
//权限申请成功,跳转到自定义扫码页面
Intent intent = new Intent(MainActivity.this, ScanQrActivity.class);
startActivityForResult(intent, REQUEST_CODE);
}
}
// 处理扫码结果
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if (requestCode == REQUEST_CODE) {
//处理扫描结果
if (null != data) {
Bundle bundle = data.getExtras();
if (bundle == null) {
return;
}
if (bundle.getInt("result_type") == 1) {
String result = bundle.getString("result_string");
Log.e("扫描结果" , "result:"+result);
} else if (bundle.getInt("result_type") == 2) {
Log.e("扫描结果" , "扫描失败:");
}
}
}
}
}
5:自定义扫码页面
/**
* 二维码扫描
*/
public class ScanQrActivity extends AppCompatActivity {
private RemoteView remoteView;
int mSceenWidth;
int mSceenHeight;
View line;
FrameLayout frameLayout;
ImageView flushBtn;
/**
* 手电筒图片
*/
private int[] img = {R.mipmap.flashlight_on, R.mipmap.flashlight_off};
final int SCAN_FRAME_SIZE = 340;
private TranslateAnimation animation;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_scanqr);
line = findViewById(R.id.scan_qr_line);
frameLayout = findViewById(R.id.scan_qr_rim);
flushBtn = findViewById(R.id.flush_btn);
//1.设置扫码识别区域,您可以按照需求调整参数
DisplayMetrics dm = getResources().getDisplayMetrics();
float density = dm.density;
//2.获取屏幕尺寸
mSceenWidth = getResources().getDisplayMetrics().widthPixels;
mSceenHeight = getResources().getDisplayMetrics().heightPixels;
int scanFrameSize = (int) (SCAN_FRAME_SIZE * density);
//3.声明 viewfinder'的 矩形,在布局中间
//设置扫描区域(可选,矩形可以为空,如果不配置,默认是中心的布局)
Rect rect = new Rect();
rect.left = mSceenWidth / 2 - scanFrameSize / 2;
rect.right = mSceenWidth / 2 + scanFrameSize / 2;
rect.top = mSceenHeight / 2 - scanFrameSize / 2;
rect.bottom = mSceenHeight / 2 + scanFrameSize / 2;
//初始化RemoteView,并通过如下方法设置参数:
// setContext()(必选)传入context、setBoundingBox()设置扫描区域、
// setFormat()设置识别码制式,设置完毕调用build()方法完成创建
remoteView = new RemoteView.Builder().setContext(this).setBoundingBox(rect).setFormat(HmsScan.ALL_SCAN_TYPE).build();
//将自定义view加载到activity
remoteView.onCreate(savedInstanceState);
remoteView.setOnLightVisibleCallback(new OnLightVisibleCallBack() {
@Override
public void onVisibleChanged(boolean visible) {
if(visible){
flushBtn.setVisibility(View.VISIBLE);
}
}
});
remoteView.setOnResultCallback(new OnResultCallback() {
@Override
public void onResult(HmsScan[] result) {
//获取到扫码结果HmsScan,判断结果是否有效
if (result != null && result.length > 0 && result[0] != null && !TextUtils.isEmpty(result[0].getOriginalValue())) {
//成功
setVibrator();
Intent resultIntent = new Intent();
Bundle bundle = new Bundle();
bundle.putInt("result_type",1);
bundle.putString("result_string", result[0].originalValue);
resultIntent.putExtras(bundle);
ScanQrActivity.this.setResult(RESULT_OK, resultIntent);
ScanQrActivity.this.finish();
} else {
//失败
setVibrator();
Intent resultIntent = new Intent();
Bundle bundle = new Bundle();
bundle.putInt("result_type", 2);
bundle.putString("result_string", "");
resultIntent.putExtras(bundle);
ScanQrActivity.this.setResult(RESULT_OK, resultIntent);
ScanQrActivity.this.finish();
}
}
});
remoteView.onCreate(savedInstanceState);
//添加 remoteView 到Framelayout布局中
FrameLayout.LayoutParams params = new FrameLayout.LayoutParams(LinearLayout.LayoutParams.MATCH_PARENT, LinearLayout.LayoutParams.MATCH_PARENT);
//绑定相机预览布局
frameLayout.addView(remoteView, params);
setFlashOperation();
}
/**
* 震动
*/
private void setVibrator() {
Vibrator vibrator = (Vibrator)this.getSystemService(this.VIBRATOR_SERVICE);
vibrator.vibrate(300);
}
/**
* 开启闪光灯
*/
private void setFlashOperation() {
flushBtn.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
if (remoteView.getLightStatus()) {
remoteView.switchLight();
flushBtn.setImageResource(img[1]);
} else {
remoteView.switchLight();
flushBtn.setImageResource(img[0]);
}
}
});
}
@Override
protected void onResume() {
super.onResume();
if (remoteView!= null){
remoteView.onResume();
}
if (animation == null){
animation = new TranslateAnimation(0, 0, 0, 720);
}
line.setVisibility(View.VISIBLE);
animation.setDuration(2000);
animation.setRepeatCount(-1);
line.startAnimation(animation);
animation.start();
}
//管理 remoteView 生命周期
@Override
protected void onStart() {
super.onStart();
if (remoteView!= null){
remoteView.onStart();
}
}
@Override
protected void onPause() {
super.onPause();
animation.cancel();
if (remoteView!= null){
remoteView.onPause();
}
}
@Override
protected void onDestroy() {
super.onDestroy();
if (remoteView!= null){
remoteView.onDestroy();
}
}
@Override
protected void onStop() {
super.onStop();
if (remoteView!= null){
remoteView.onStop();
}
}
}
6:页面xml布局
activity_scanqr.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
android:orientation="vertical"
android:background="#32CF9C"
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent">
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent">
<FrameLayout
android:id="@+id/scan_qr_rim"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#C0C0C0" />
<ImageView
android:layout_marginBottom="100dp"
android:layout_alignParentBottom="true"
android:layout_width="45dp"
android:layout_height="45dp"
android:id="@+id/flush_btn"
android:layout_centerHorizontal="true"
android:gravity="center"
android:src="@mipmap/flashlight_off" />
<LinearLayout
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="match_parent">
<RelativeLayout
android:layout_marginBottom="9dp"
android:layout_marginTop="275dp"
android:layout_gravity="center_horizontal"
android:layout_width="300dp"
android:layout_height="300dp">
<View
android:id="@+id/scan_qr_line"
android:layout_width="2500dp"
android:layout_height="16dp"
android:background="@mipmap/scan_image"
android:visibility="invisible" />
<ImageView
android:layout_width="300dp"
android:layout_height="300dp"
android:layout_centerHorizontal="true"
android:scaleType="fitXY"
android:src="@mipmap/pic_scaning"
/>
<!-- -->
</RelativeLayout>
</LinearLayout>
</RelativeLayout>
</LinearLayout>
备注:资源下载地址,码云项目地址。
本文地址:https://blog.csdn.net/weixin_35861115/article/details/108974830