package com.google.zxing.client.android.encode;
+import com.google.zxing.BarcodeFormat;
+import com.google.zxing.WriterException;
+import com.google.zxing.client.android.FinishListener;
import com.google.zxing.client.android.Intents;
import com.google.zxing.client.android.R;
import android.content.DialogInterface.OnClickListener;
import android.content.Intent;
import android.graphics.Bitmap;
+import android.net.Uri;
import android.os.Bundle;
import android.os.Handler;
+import android.os.Environment;
import android.os.Message;
+import android.util.Log;
+import android.view.Menu;
+import android.view.MenuItem;
import android.view.View;
import android.view.ViewTreeObserver.OnGlobalLayoutListener;
import android.widget.ImageView;
import android.widget.TextView;
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.FileOutputStream;
+import java.io.IOException;
+
/**
* This class encodes data from an Intent into a QR code, and then displays it full screen so that
* another person can scan it with their device.
* @author dswitkin@google.com (Daniel Switkin)
*/
public final class EncodeActivity extends Activity {
+
+ private static final String TAG = EncodeActivity.class.getSimpleName();
+
+ private static final int SHARE_BARCODE_DIMENSION = 300;
+ private static final int MAX_BARCODE_FILENAME_LENGTH = 24;
+
private QRCodeEncoder qrCodeEncoder;
private ProgressDialog progressDialog;
private boolean firstLayout;
setTitle(getString(R.string.app_name) + " - " + qrCodeEncoder.getTitle());
qrCodeEncoder.requestBarcode(handler, smallerDimension);
progressDialog = ProgressDialog.show(EncodeActivity.this, null,
- getString(R.string.msg_encode_in_progress), true, true, cancelListener);
+ getString(R.string.msg_encode_in_progress), true, true, new FinishListener(EncodeActivity.this));
} catch (IllegalArgumentException e) {
showErrorMessage(R.string.msg_encode_contents_failed);
}
view.setImageBitmap(image);
TextView contents = (TextView) findViewById(R.id.contents_text_view);
contents.setText(qrCodeEncoder.getDisplayContents());
- qrCodeEncoder = null;
+ //qrCodeEncoder = null;
break;
case R.id.encode_failed:
showErrorMessage(R.string.msg_encode_barcode_failed);
}
};
- private final OnClickListener clickListener = new OnClickListener() {
- public void onClick(DialogInterface dialog, int which) {
- finish();
- }
- };
-
- private final OnCancelListener cancelListener = new OnCancelListener() {
- public void onCancel(DialogInterface dialog) {
- finish();
- }
- };
-
@Override
public void onCreate(Bundle icicle) {
super.onCreate(icicle);
finish();
}
+ @Override
+ public boolean onCreateOptionsMenu(Menu menu) {
+ super.onCreateOptionsMenu(menu);
+ menu.add(0, Menu.FIRST, 0, R.string.menu_share).setIcon(android.R.drawable.ic_menu_share);
+ return true;
+ }
+
+ @Override
+ public boolean onOptionsItemSelected(MenuItem item) {
+ if (qrCodeEncoder == null) { // Odd
+ Log.w(TAG, "No existing barcode to send?");
+ return true;
+ }
+
+ String contents = qrCodeEncoder.getContents();
+ Bitmap bitmap;
+ try {
+ bitmap = QRCodeEncoder.encodeAsBitmap(contents, BarcodeFormat.QR_CODE,
+ SHARE_BARCODE_DIMENSION, SHARE_BARCODE_DIMENSION);
+ } catch (WriterException we) {
+ Log.w(TAG, we);
+ return true;
+ }
+
+ File bsRoot = new File(Environment.getExternalStorageDirectory(), "BarcodeScanner");
+ File barcodesRoot = new File(bsRoot, "Barcodes");
+ if (!barcodesRoot.exists() && !barcodesRoot.mkdirs()) {
+ Log.w(TAG, "Couldn't make dir " + barcodesRoot);
+ showErrorMessage(R.string.msg_unmount_usb);
+ return true;
+ }
+ File barcodeFile = new File(barcodesRoot, makeBarcodeFileName(contents) + ".png");
+ barcodeFile.delete();
+ FileOutputStream fos = null;
+ try {
+ fos = new FileOutputStream(barcodeFile);
+ bitmap.compress(Bitmap.CompressFormat.PNG, 0, fos);
+ } catch (FileNotFoundException fnfe) {
+ Log.w(TAG, "Couldn't access file " + barcodeFile + " due to " + fnfe);
+ showErrorMessage(R.string.msg_unmount_usb);
+ return true;
+ } finally {
+ if (fos != null) {
+ try {
+ fos.close();
+ } catch (IOException ioe) {
+ // do nothing
+ }
+ }
+ }
+
+ Intent intent = new Intent(Intent.ACTION_SEND, Uri.parse("mailto:"));
+ intent.putExtra(Intent.EXTRA_SUBJECT, getString(R.string.app_name) + " - " +
+ qrCodeEncoder.getTitle());
+ intent.putExtra(Intent.EXTRA_TEXT, qrCodeEncoder.getContents());
+ intent.putExtra(Intent.EXTRA_STREAM, Uri.parse("file://" + barcodeFile.getAbsolutePath()));
+ intent.setType("image/png");
+ intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET);
+ startActivity(Intent.createChooser(intent, null));
+ return true;
+ }
+
+ private static CharSequence makeBarcodeFileName(CharSequence contents) {
+ int fileNameLength = Math.min(MAX_BARCODE_FILENAME_LENGTH, contents.length());
+ StringBuilder fileName = new StringBuilder(fileNameLength);
+ for (int i = 0; i < fileNameLength; i++) {
+ char c = contents.charAt(i);
+ if ((c >= 'A' && c <= 'Z') || (c >= 'a' && c <= 'z') || (c >= '0' && c <= '9')) {
+ fileName.append(c);
+ } else {
+ fileName.append('_');
+ }
+ }
+ return fileName;
+ }
+
@Override
protected void onResume() {
super.onResume();
}
AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setMessage(message);
- builder.setPositiveButton(R.string.button_ok, clickListener);
+ builder.setPositiveButton(R.string.button_ok, new FinishListener(this));
+ builder.setOnCancelListener(new FinishListener(this));
builder.show();
}
}
projects / zxing.git / blobdiff