2 * Copyright (C) 2008 ZXing authors
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
17 package com.google.zxing.client.android.share;
19 import android.app.Activity;
20 import android.content.ContentResolver;
21 import android.content.Intent;
22 import android.database.Cursor;
23 import android.net.Uri;
24 import android.os.Bundle;
25 import android.provider.Browser;
26 import android.provider.Contacts;
27 import android.provider.BaseColumns;
28 import android.text.ClipboardManager;
29 import android.view.View;
30 import android.widget.Button;
31 import com.google.zxing.client.android.Intents;
32 import com.google.zxing.client.android.Contents;
33 import com.google.zxing.client.android.R;
36 * Barcode Scanner can share data like contacts and bookmarks by displaying a QR Code on screen,
37 * such that another user can scan the barcode with their phone.
39 * @author dswitkin@google.com (Daniel Switkin)
41 public final class ShareActivity extends Activity {
43 private static final int PICK_BOOKMARK = 0;
44 private static final int PICK_CONTACT = 1;
45 private static final int PICK_APP = 2;
47 //private static final int METHODS_ID_COLUMN = 0;
48 private static final int METHODS_KIND_COLUMN = 1;
49 private static final int METHODS_DATA_COLUMN = 2;
51 private static final String[] METHODS_PROJECTION = {
53 Contacts.ContactMethodsColumns.KIND, // 1
54 Contacts.ContactMethodsColumns.DATA, // 2
57 private static final int PHONES_NUMBER_COLUMN = 1;
59 private static final String[] PHONES_PROJECTION = {
61 Contacts.PhonesColumns.NUMBER // 1
64 private Button clipboardButton;
66 private final Button.OnClickListener contactListener = new Button.OnClickListener() {
67 public void onClick(View v) {
68 startActivityForResult(new Intent(Intent.ACTION_PICK, Contacts.People.CONTENT_URI),
73 private final Button.OnClickListener bookmarkListener = new Button.OnClickListener() {
74 public void onClick(View v) {
75 Intent intent = new Intent(Intent.ACTION_PICK);
76 intent.setClassName(ShareActivity.this, BookmarkPickerActivity.class.getName());
77 startActivityForResult(intent, PICK_BOOKMARK);
81 private final Button.OnClickListener appListener = new Button.OnClickListener() {
82 public void onClick(View v) {
83 Intent intent = new Intent(Intent.ACTION_PICK);
84 intent.setClassName(ShareActivity.this, AppPickerActivity.class.getName());
85 startActivityForResult(intent, PICK_APP);
89 private final Button.OnClickListener clipboardListener = new Button.OnClickListener() {
90 public void onClick(View v) {
91 ClipboardManager clipboard = (ClipboardManager) getSystemService(CLIPBOARD_SERVICE);
92 // Should always be true, because we grey out the clipboard button in onResume() if it's empty
93 if (clipboard.hasText()) {
94 Intent intent = new Intent(Intents.Encode.ACTION);
95 intent.putExtra(Intents.Encode.TYPE, Contents.Type.TEXT);
96 intent.putExtra(Intents.Encode.DATA, clipboard.getText());
97 intent.putExtra(Intents.Encode.FORMAT, Contents.Format.QR_CODE);
98 startActivity(intent);
104 public void onCreate(Bundle icicle) {
105 super.onCreate(icicle);
106 setContentView(R.layout.share);
108 findViewById(R.id.contact_button).setOnClickListener(contactListener);
109 findViewById(R.id.bookmark_button).setOnClickListener(bookmarkListener);
110 findViewById(R.id.app_button).setOnClickListener(appListener);
111 clipboardButton = (Button) findViewById(R.id.clipboard_button);
112 clipboardButton.setOnClickListener(clipboardListener);
116 protected void onResume() {
119 ClipboardManager clipboard = (ClipboardManager) getSystemService(CLIPBOARD_SERVICE);
120 if (clipboard.hasText()) {
121 clipboardButton.setEnabled(true);
122 clipboardButton.setText(R.string.button_share_clipboard);
124 clipboardButton.setEnabled(false);
125 clipboardButton.setText(R.string.button_clipboard_empty);
130 public void onActivityResult(int requestCode, int resultCode, Intent intent) {
131 if (resultCode == RESULT_OK) {
132 switch (requestCode) {
135 showTextAsBarcode(intent.getStringExtra(Browser.BookmarkColumns.URL));
138 // Data field is content://contacts/people/984
139 showContactAsBarcode(intent.getData());
145 private void showTextAsBarcode(String text) {
146 Intent intent = new Intent(Intents.Encode.ACTION);
147 intent.putExtra(Intents.Encode.TYPE, Contents.Type.TEXT);
148 intent.putExtra(Intents.Encode.DATA, text);
149 intent.putExtra(Intents.Encode.FORMAT, Contents.Format.QR_CODE);
150 startActivity(intent);
154 * Takes a contact Uri and does the necessary database lookups to retrieve that person's info,
155 * then sends an Encode intent to render it as a QR Code.
157 * @param contactUri A Uri of the form content://contacts/people/17
159 private void showContactAsBarcode(Uri contactUri) {
160 ContentResolver resolver = getContentResolver();
161 Cursor contactCursor = resolver.query(contactUri, null, null, null, null);
162 Bundle bundle = new Bundle();
163 if (contactCursor != null && contactCursor.moveToFirst()) {
164 int nameColumn = contactCursor.getColumnIndex(Contacts.PeopleColumns.NAME);
165 String name = contactCursor.getString(nameColumn);
167 // Don't require a name to be present, this contact might be just a phone number.
168 if (name != null && name.length() > 0) {
169 bundle.putString(Contacts.Intents.Insert.NAME, massageContactData(name));
171 contactCursor.close();
173 Uri phonesUri = Uri.withAppendedPath(contactUri, Contacts.People.Phones.CONTENT_DIRECTORY);
174 Cursor phonesCursor = resolver.query(phonesUri, PHONES_PROJECTION, null, null, null);
175 if (phonesCursor != null) {
177 while (phonesCursor.moveToNext()) {
178 String number = phonesCursor.getString(PHONES_NUMBER_COLUMN);
179 if (foundPhone < Contents.PHONE_KEYS.length) {
180 bundle.putString(Contents.PHONE_KEYS[foundPhone], massageContactData(number));
184 phonesCursor.close();
187 Uri methodsUri = Uri.withAppendedPath(contactUri,
188 Contacts.People.ContactMethods.CONTENT_DIRECTORY);
189 Cursor methodsCursor = resolver.query(methodsUri, METHODS_PROJECTION, null, null, null);
190 if (methodsCursor != null) {
192 boolean foundPostal = false;
193 while (methodsCursor.moveToNext()) {
194 int kind = methodsCursor.getInt(METHODS_KIND_COLUMN);
195 String data = methodsCursor.getString(METHODS_DATA_COLUMN);
197 case Contacts.KIND_EMAIL:
198 if (foundEmail < Contents.EMAIL_KEYS.length) {
199 bundle.putString(Contents.EMAIL_KEYS[foundEmail], massageContactData(data));
203 case Contacts.KIND_POSTAL:
205 bundle.putString(Contacts.Intents.Insert.POSTAL, massageContactData(data));
211 methodsCursor.close();
214 Intent intent = new Intent(Intents.Encode.ACTION);
215 intent.putExtra(Intents.Encode.TYPE, Contents.Type.CONTACT);
216 intent.putExtra(Intents.Encode.DATA, bundle);
217 intent.putExtra(Intents.Encode.FORMAT, Contents.Format.QR_CODE);
219 startActivity(intent);
223 private static String massageContactData(String data) {
224 // For now -- make sure we don't put newlines in shared contact data. It messes up
225 // any known encoding of contact data. Replace with space.
226 if (data.indexOf('\n') >= 0) {
227 data = data.replace("\n", " ");
229 if (data.indexOf('\r') >= 0) {
230 data = data.replace("\r", " ");