Reorganize classes into separate packages

app/src/main/java/me/impy/aegis/ui/ScannerActivity.java

@@ -0,0 +1,75 @@
+package me.impy.aegis.ui;
+
+import android.app.Activity;
+import android.content.Context;
+import android.content.Intent;
+import android.os.Bundle;
+import android.widget.Toast;
+
+import com.google.zxing.BarcodeFormat;
+import com.google.zxing.Result;
+
+import java.util.Collections;
+
+import me.dm7.barcodescanner.core.IViewFinder;
+import me.dm7.barcodescanner.zxing.ZXingScannerView;
+import me.impy.aegis.crypto.KeyInfo;
+import me.impy.aegis.db.DatabaseEntry;
+import me.impy.aegis.helpers.SquareFinderView;
+import me.impy.aegis.ui.views.KeyProfile;
+
+public class ScannerActivity extends AegisActivity implements ZXingScannerView.ResultHandler {
+    private ZXingScannerView _scannerView;
+
+    @Override
+    protected void onCreate(Bundle state) {
+        super.onCreate(state);
+
+        _scannerView = new ZXingScannerView(this) {
+            @Override
+            protected IViewFinder createViewFinderView(Context context) {
+                return new SquareFinderView(context);
+            }
+        };
+        _scannerView.setResultHandler(this);
+        _scannerView.setFormats(Collections.singletonList(BarcodeFormat.QR_CODE));
+        _scannerView.startCamera();
+
+        setContentView(_scannerView);
+    }
+
+    @Override
+    protected void setPreferredTheme(boolean nightMode) {
+
+    }
+
+    @Override
+    public void onResume() {
+        super.onResume();
+    }
+
+    @Override
+    public void onPause() {
+        super.onPause();
+        _scannerView.stopCamera();
+    }
+
+    @Override
+    public void handleResult(Result rawResult) {
+        try {
+            KeyInfo info = KeyInfo.fromURL(rawResult.getText());
+            KeyProfile profile = new KeyProfile(new DatabaseEntry(info));
+            profile.getEntry().setName(info.getAccountName());
+
+            Intent resultIntent = new Intent();
+            resultIntent.putExtra("KeyProfile", profile);
+
+            setResult(Activity.RESULT_OK, resultIntent);
+            finish();
+        } catch (Exception e) {
+            Toast.makeText(this, "An error occurred while trying to parse the QR code contents", Toast.LENGTH_SHORT).show();
+        }
+
+        _scannerView.resumeCameraPreview(this);
+    }
+}