Merge pull request #512 from hannesa2/SomeCodeCleanup

some code cleanup

Author: rkistner

sample/src/main/java/example/zxing/ContinuousCaptureActivity.java

@@ -24,7 +24,6 @@
  * a barcode is scanned.
  */
 public class ContinuousCaptureActivity extends Activity {
-    private static final String TAG = ContinuousCaptureActivity.class.getSimpleName();
     private DecoratedBarcodeView barcodeView;
     private BeepManager beepManager;
     private String lastText;
@@ -43,7 +42,7 @@ public void barcodeResult(BarcodeResult result) {
             beepManager.playBeepSoundAndVibrate();
 
             //Added preview of scanned barcode
-            ImageView imageView = (ImageView) findViewById(R.id.barcodePreview);
+            ImageView imageView = findViewById(R.id.barcodePreview);
             imageView.setImageBitmap(result.getBitmapWithResultPoints(Color.YELLOW));
         }
 
@@ -58,7 +57,7 @@ protected void onCreate(Bundle savedInstanceState) {
 
         setContentView(R.layout.continuous_scan);
 
-        barcodeView = (DecoratedBarcodeView) findViewById(R.id.barcode_scanner);
+        barcodeView = findViewById(R.id.barcode_scanner);
         Collection<BarcodeFormat> formats = Arrays.asList(BarcodeFormat.QR_CODE, BarcodeFormat.CODE_39);
         barcodeView.getBarcodeView().setDecoderFactory(new DefaultDecoderFactory(formats));
         barcodeView.initializeFromIntent(getIntent());

sample/src/main/java/example/zxing/CustomScannerActivity.java

@@ -30,12 +30,12 @@ protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_custom_scanner);
 
-        barcodeScannerView = (DecoratedBarcodeView)findViewById(R.id.zxing_barcode_scanner);
+        barcodeScannerView = findViewById(R.id.zxing_barcode_scanner);
         barcodeScannerView.setTorchListener(this);
 
-        switchFlashlightButton = (Button)findViewById(R.id.switch_flashlight);
+        switchFlashlightButton = findViewById(R.id.switch_flashlight);
 
-        viewfinderView = (ViewfinderView) findViewById(R.id.zxing_viewfinder_view);
+        viewfinderView = findViewById(R.id.zxing_viewfinder_view);
 
         // if the device does not have flashlight in its camera,
         // then remove the switch flashlight button...

sample/src/main/java/example/zxing/MainActivity.java

@@ -156,13 +156,8 @@ public void onActivityCreated(Bundle savedInstanceState) {
         public View onCreateView(LayoutInflater inflater, ViewGroup container,
                                  Bundle savedInstanceState) {
             View view = inflater.inflate(R.layout.fragment_scan, container, false);
-            Button scan = (Button) view.findViewById(R.id.scan_from_fragment);
-            scan.setOnClickListener(new View.OnClickListener() {
-                @Override
-                public void onClick(View v) {
-                    scanFromFragment();
-                }
-            });
+            Button scan = view.findViewById(R.id.scan_from_fragment);
+            scan.setOnClickListener(v -> scanFromFragment());
             return view;
         }
 

sample/src/main/java/example/zxing/TabbedScanning.java

@@ -19,7 +19,6 @@
 import com.journeyapps.barcodescanner.DecoratedBarcodeView;
 
 public class TabbedScanning extends AppCompatActivity implements ActionBar.TabListener {
-    private static final String TAG = TabbedScanning.class.getSimpleName();
 
     /**
      * The {@link PagerAdapter} that will provide
@@ -46,7 +45,7 @@ protected void onCreate(Bundle savedInstanceState) {
         mSectionsPagerAdapter = new SectionsPagerAdapter(getSupportFragmentManager());
 
         // Set up the ViewPager with the sections adapter.
-        mViewPager = (ViewPager) findViewById(R.id.container);
+        mViewPager = findViewById(R.id.container);
         mViewPager.setAdapter(mSectionsPagerAdapter);
 
         // Set up the action bar.
@@ -114,7 +113,7 @@ public static ScanFragment newInstance() {
         public View onCreateView(LayoutInflater inflater, ViewGroup container,
                                  Bundle savedInstanceState) {
             View rootView = inflater.inflate(R.layout.fragment_tabbed_scanning, container, false);
-            barcodeView = (DecoratedBarcodeView)rootView.findViewById(R.id.barcode_view);
+            barcodeView = rootView.findViewById(R.id.barcode_view);
             return rootView;
         }
 
@@ -167,7 +166,7 @@ public static CameraFragment newInstance() {
         public View onCreateView(LayoutInflater inflater, ViewGroup container,
                                  Bundle savedInstanceState) {
             View rootView = inflater.inflate(R.layout.fragment_tabbed_camera, container, false);
-            cameraPreview = (CameraPreview)rootView.findViewById(R.id.camera_preview);
+            cameraPreview = rootView.findViewById(R.id.camera_preview);
             return rootView;
         }
 

sample/src/main/java/example/zxing/ToolbarCaptureActivity.java

@@ -20,12 +20,12 @@ protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
 
         setContentView(R.layout.capture_appcompat);
-        Toolbar toolbar = (Toolbar) findViewById(R.id.my_awesome_toolbar);
+        Toolbar toolbar = findViewById(R.id.my_awesome_toolbar);
         toolbar.setTitle("Scan Barcode");
         setSupportActionBar(toolbar);
         getSupportActionBar().setDisplayHomeAsUpEnabled(true);
 
-        barcodeScannerView = (DecoratedBarcodeView)findViewById(R.id.zxing_barcode_scanner);
+        barcodeScannerView = findViewById(R.id.zxing_barcode_scanner);
 
         capture = new CaptureManager(this, barcodeScannerView);
         capture.initializeFromIntent(getIntent(), savedInstanceState);