/*
* Copyright (C) 2008 ZXing authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.google.zxing.client.android.encode;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import mobisocial.musubi.R;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.Intent;
import android.graphics.Bitmap;
import android.net.Uri;
import android.os.Bundle;
import android.os.Environment;
import android.util.Log;
import android.view.Display;
import android.view.Menu;
import android.view.MenuItem;
import android.view.WindowManager;
import android.widget.ImageView;
import android.widget.TextView;
import com.google.zxing.WriterException;
import com.google.zxing.client.android.FinishListener;
import com.google.zxing.client.android.Intents;
/**
* 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 MAX_BARCODE_FILENAME_LENGTH = 24;
private QRCodeEncoder qrCodeEncoder;
@Override
public void onCreate(Bundle icicle) {
super.onCreate(icicle);
Intent intent = getIntent();
if (intent != null) {
String action = intent.getAction();
if (action.equals(Intents.Encode.ACTION) || action.equals(Intent.ACTION_SEND)) {
setContentView(R.layout.encode);
return;
}
}
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();
} 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();
// This assumes the view is full screen, which is a good assumption
WindowManager manager = (WindowManager) getSystemService(WINDOW_SERVICE);
Display display = manager.getDefaultDisplay();
int width = display.getWidth();
int height = display.getHeight();
int smallerDimension = width < height ? width : height;
smallerDimension = smallerDimension * 7 / 8;
Intent intent = getIntent();
try {
qrCodeEncoder = new QRCodeEncoder(this, intent, smallerDimension);
//setTitle(getString(R.string.app_name) + " - " + qrCodeEncoder.getTitle());
setTitle(R.string.scan_here);
Bitmap bitmap = qrCodeEncoder.encodeAsBitmap();
ImageView view = (ImageView) findViewById(R.id.image_view);
view.setImageBitmap(bitmap);
TextView contents = (TextView) findViewById(R.id.contents_text_view);
contents.setText(qrCodeEncoder.getDisplayContents());
} catch (WriterException e) {
Log.e(TAG, "Could not encode barcode", e);
showErrorMessage(R.string.msg_encode_contents_failed);
qrCodeEncoder = null;
} catch (IllegalArgumentException e) {
Log.e(TAG, "Could not encode barcode", e);
showErrorMessage(R.string.msg_encode_contents_failed);
qrCodeEncoder = null;
}
}
private void showErrorMessage(int message) {
AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setMessage(message);
builder.setPositiveButton(R.string.button_ok, new FinishListener(this));
builder.setOnCancelListener(new FinishListener(this));
builder.show();
}
}