Add to the sample project the custom scanner example.

1 files changed, 101 insertions, 0 deletions

diff --git a/sample/src/main/java/example/zxing/CustomScannerActivity.java b/sample/src/main/java/example/zxing/CustomScannerActivity.java
new file mode 100644
index 00000000..5214ead8
--- /dev/null
+++ b/sample/src/main/java/example/zxing/CustomScannerActivity.java
@@ -0,0 +1,101 @@
+package example.zxing;
+
+import android.app.Activity;
+import android.content.pm.PackageManager;
+import android.os.Bundle;
+import android.support.v7.widget.Toolbar;
+import android.view.KeyEvent;
+import android.view.View;
+import android.widget.Button;
+
+import com.journeyapps.barcodescanner.CaptureManager;
+import com.journeyapps.barcodescanner.CompoundBarcodeView;
+
+/**
+ * Custom Scannner Activity extending from Activity to display a custom layout form scanner view.
+ */
+public class CustomScannerActivity extends Activity implements
+        CompoundBarcodeView.FlashlightListener {
+
+    private CaptureManager capture;
+    private CompoundBarcodeView barcodeScannerView;
+    private Button switchFlashlightButton;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_custom_scanner);
+
+        barcodeScannerView = (CompoundBarcodeView)findViewById(R.id.zxing_barcode_scanner);
+        barcodeScannerView.setFlashLightListener(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);
+        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 boolean onKeyDown(int keyCode, KeyEvent event) {
+        return barcodeScannerView.onKeyDown(keyCode, event) || super.onKeyDown(keyCode, event);
+    }
+
+    /**
+     * Check if the device's camera has a Flashlight.
+     * @return true if there is Flashlight, otherwise false.
+     */
+    private boolean hasFlash() {
+        return getApplicationContext().getPackageManager()
+                .hasSystemFeature(PackageManager.FEATURE_CAMERA_FLASH);
+    }
+
+    public void switchFlashlight(View view) {
+        if (getString(R.string.turn_on_flashlight).equals(switchFlashlightButton.getText())) {
+            barcodeScannerView.turnOnFlashLight();
+        } else {
+            barcodeScannerView.turnOffFlashLight();
+        }
+    }
+
+    @Override
+    public void onFlashlightTurnOn() {
+        switchFlashlightButton.setText(R.string.turn_off_flashlight);
+    }
+
+    @Override
+    public void onFlashlightTurnOff() {
+        switchFlashlightButton.setText(R.string.turn_on_flashlight);
+    }
+
+}