使用方式也很简单,首先在gradle中添加依赖
compile 'com.journeyapps:zxing-android-embedded:3.5.0'
1、自定义布局文件activity_custom_capture.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:gravity="center_horizontal"
android:orientation="vertical">
<com.journeyapps.barcodescanner.DecoratedBarcodeView
android:id="@+id/Activity_Custom_Capture_customBDV"
android:layout_width="match_parent"
android:layout_height="match_parent"
app:zxing_preview_scaling_strategy="fitXY" />
</LinearLayout>
2、自定义CustomCaptureActivity的代码如下:
package com.deepreality.zxingdemo;
import android.os.Bundle;
import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import android.support.v7.app.AppCompatActivity;
import android.view.KeyEvent;
import android.view.Window;
import com.journeyapps.barcodescanner.CaptureManager;
import com.journeyapps.barcodescanner.DecoratedBarcodeView;
public class CustomCaptureActivity extends AppCompatActivity {
private CaptureManager capture;
private DecoratedBarcodeView barcodeScannerView;
@Override
protected void onCreate(@Nullable Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
supportRequestWindowFeature(Window.FEATURE_NO_TITLE);
setContentView(R.layout.activity_custom_capture);// 自定义布局
barcodeScannerView = (DecoratedBarcodeView) findViewById(R.id.Activity_Custom_Capture_customBDV);
capture = new CaptureManager(this, barcodeScannerView);
capture.initializeFromIntent(getIntent(), savedInstanceState);
capture.decode();
}
@Override
protected void onResume() {
super.onResume();
capture.onResume();
}
@Override
protected void onPause() {
super.onPause();
capture.onPause();
}
@Override
protected void onDestroy() {
super.onDestroy();
capture.onDestroy();
}
@Override
protected void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
capture.onSaveInstanceState(outState);
}
@Override
public void onRequestPermissionsResult(int requestCode, @NonNull String permissions[], @NonNull int[] grantResults) {
capture.onRequestPermissionsResult(requestCode, permissions, grantResults);
}
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
return barcodeScannerView.onKeyDown(keyCode, event) || super.onKeyDown(keyCode, event);
}
}
3、在MainActivity中调用
package com.deepreality.zxingdemo; import android.content.Intent; import android.graphics.Bitmap; 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.google.zxing.BarcodeFormat; import com.google.zxing.MultiFormatWriter; import com.google.zxing.WriterException; import com.google.zxing.common.BitMatrix; import com.google.zxing.integration.android.IntentIntegrator; import com.google.zxing.integration.android.IntentResult; import com.journeyapps.barcodescanner.BarcodeEncoder; import javax.xml.transform.Templates; public class MainActivity extends AppCompatActivity { private Button btnMatch; private TextView tvResult; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); btnMatch = findViewById(R.id.main_btnMatch); tvResult = findViewById(R.id.main_tvResult); btnMatch.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { startScanEcode(); } }); } /** * 将str内容生成二维码图片 * @param str * @return */ private Bitmap encodeAsBitmap(String str){ Bitmap bitmap = null; BitMatrix result = null; MultiFormatWriter multiFormatWriter = new MultiFormatWriter(); try { result = multiFormatWriter.encode(str, BarcodeFormat.QR_CODE, 200, 200); // 使用 ZXing Android Embedded 要写的代码 BarcodeEncoder barcodeEncoder = new BarcodeEncoder(); bitmap = barcodeEncoder.createBitmap(result); } catch (WriterException e){ e.printStackTrace(); } catch (IllegalArgumentException iae){ return null; } return bitmap; } /** * 开始扫码二维码 */ private void startScanEcode() { new IntentIntegrator(this) .setCaptureActivity(CustomCaptureActivity.class)//打开自定义的View .setDesiredBarcodeFormats(IntentIntegrator.ALL_CODE_TYPES)// 扫码的类型,可选:一维码,二维码,一/二维码 .setPrompt("请对准二维码")// 设置提示语 .setCameraId(0)// 选择摄像头,可使用前置或者后置 .setBeepEnabled(true)// 是否开启声音,扫完码之后会"哔"的一声 .setBarcodeImageEnabled(true)// 扫完码之后生成二维码的图片 .initiateScan();// 初始化扫码 } @Override protected void onActivityResult(int requestCode, int resultCode, Intent data) { IntentResult result = IntentIntegrator.parseActivityResult(requestCode, resultCode, data); if(result != null) { if(result.getContents() == null) { Toast.makeText(this, "Cancelled", Toast.LENGTH_LONG).show(); } else { Toast.makeText(this, "Scanned: " + result.getContents(), Toast.LENGTH_LONG).show(); } } else { super.onActivityResult(requestCode, resultCode, data); } } }