import com.journeyapps.barcodescanner.CaptureManager; //导入依赖的package包/类
@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_custom_scan);
    ButterKnife.bind(this);

    mDBV.setTorchListener(this);

    // 如果没有闪光灯功能，就去掉相关按钮
    if(!hasFlash()) {
        swichLight.setVisibility(View.GONE);
    }

    //重要代码，初始化捕获
    captureManager = new CaptureManager(this,mDBV);
    captureManager.initializeFromIntent(getIntent(),savedInstanceState);
    captureManager.decode();
}
 

import com.journeyapps.barcodescanner.CaptureManager; //导入依赖的package包/类
@Override
public void onCreate(Bundle b) {
    getWindow().requestFeature(Window.FEATURE_ACTION_BAR_OVERLAY);
    super.onCreate(b);
    setContentView(R.layout.activity_scanqr);

    initToolbar();
    initNavigationBar();

    barcodeScannerView = findViewById(R.id.qrcode_view);

    TextView tooltip = findViewById(R.id.tooltip);
    tooltip.setText("Platziere den QR-Code innerhalb des Rechtecks");
    RelativeLayout.LayoutParams params = (RelativeLayout.LayoutParams) tooltip.getLayoutParams();
    params.setMargins(0, 0, 0, GraphicUtils.getDisplayHeight()/4);
    tooltip.setLayoutParams(params);

    capture = new CaptureManager(this, barcodeScannerView);
    capture.initializeFromIntent(getIntent(), b);
    capture.decode();
}
 

import com.journeyapps.barcodescanner.CaptureManager; //导入依赖的package包/类
@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.custom_scanner);

    barcodeScannerView = (DecoratedBarcodeView)findViewById(R.id.zxing_barcode_scanner);
    barcodeScannerView.setTorchListener(this);

    switchFlashlightButton = (Button)findViewById(R.id.switch_flashlight);

    // if the device does not have flashlight in its camera,
    // then remove the switch flashlight button...
    if (!hasFlash()) {
        switchFlashlightButton.setVisibility(View.GONE);
    }

    capture = new CaptureManager(this, barcodeScannerView);
    capture.initializeFromIntent(getIntent(), savedInstanceState);
    switchFlashlightButton.setText("Flash On");
    capture.decode();
}
 

import com.journeyapps.barcodescanner.CaptureManager; //导入依赖的package包/类
@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_read_qrcode_screen);

    almanacScreenButton = (ImageButton)findViewById(R.id.almanacButton);
    preferenceScreenButton = (ImageButton)findViewById(R.id.menuMoreButton);
    almanacScreenButton.setOnClickListener(this);
    preferenceScreenButton.setOnClickListener(this);
    barcodeScannerView = (DecoratedBarcodeView)findViewById(R.id.zxing_barcode_scanner);
    barcodeScannerView.setTorchListener(this);
    barcodeScannerView.getViewFinder().setVisibility(View.INVISIBLE);
    capture = new CaptureManager(this, barcodeScannerView);
    capture.initializeFromIntent(getIntent(), savedInstanceState);
    capture.decode();
}
 

import com.journeyapps.barcodescanner.CaptureManager; //导入依赖的package包/类
@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_scan_qr_code);

    // Display toolbar and back arrow -- title and parent is found in activity tag in manifest
    mToolbar = (Toolbar) findViewById(R.id.toolbar);
    setSupportActionBar(mToolbar);
    getSupportActionBar().setDisplayHomeAsUpEnabled(true);

    // scanner view
    mDecoratedBarcodeView = (DecoratedBarcodeView) findViewById(R.id.zxing_barcode_scanner);

    capture = new CaptureManager(this, mDecoratedBarcodeView);
    capture.initializeFromIntent(getIntent(), savedInstanceState);
    capture.decode();
}
 

import com.journeyapps.barcodescanner.CaptureManager; //导入依赖的package包/类
@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_scanner);
    ButterKnife.inject(this);

    toolbar.setBackgroundColor(Color.parseColor("#000000"));
    setSupportActionBar(toolbar);
    getSupportActionBar().setTitle(R.string.scan_qr_code);
    getSupportActionBar().setDisplayHomeAsUpEnabled(true);

    capture = new CaptureManager(this, scanner);
    capture.initializeFromIntent(getIntent(), savedInstanceState);
    capture.decode();
}
 

import com.journeyapps.barcodescanner.CaptureManager; //导入依赖的package包/类
@Override
protected void onCreate(Bundle data) {
    super.onCreate(data);
    setContentView( R.layout.scanner );

    barcodeScannerView = ( DecoratedBarcodeView)findViewById(R.id.barcode_scanner);
    barcodeScannerView.setTorchListener(this);

    fab = (FloatingActionButton) findViewById(R.id.fab);

    // if the device does not have flashlight in its camera,
    // then remove the switch flashlight button...
    this.light = false;

    if ( !hasFlash() ) {
     //   fab.setVisibility( View.GONE );
    }

    if( data == null ){
        data = getIntent().getExtras();
    }

    this.data = data.getBundle( ARG_FRAGMENT_BOTTOM_DATA );
    this.fragmentBottomName = data.getString( ARG_FRAGMENT_BOTTOM_NAME );

    if( this.fragmentBottomName != null  ){
        FragmentTransaction trasition = getSupportFragmentManager().beginTransaction();
        Fragment fragment = Fragment.instantiate( this, fragmentBottomName );
        fragment.setArguments( this.data );

        if(  getSupportFragmentManager().findFragmentById( R.id.content ) == null ){
            trasition.add( R.id.content, fragment );
        }
        else {
            trasition.replace( R.id.content, fragment );
        }
        trasition.commit();
    }

    capture = new CaptureManager( this, barcodeScannerView );
    capture.initializeFromIntent( getIntent(), data );
    capture.decode();
}
 

import com.journeyapps.barcodescanner.CaptureManager; //导入依赖的package包/类
private void initScanner() {
    this.capture = new CaptureManager(this.activity, this.activity.getBinding().scanner);
    decodeQrCode();
    this.capture.onResume();
}