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ShareActivity.java
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ShareActivity.java
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/*
* 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.share;
import android.os.Build;
import android.provider.ContactsContract;
import com.google.zxing.BarcodeFormat;
import com.google.zxing.client.android.Contents;
import com.google.zxing.client.android.Intents;
import com.google.zxing.client.android.R;
import android.app.Activity;
import android.content.ContentResolver;
import android.content.Intent;
import android.database.Cursor;
import android.net.Uri;
import android.os.Bundle;
import android.provider.BaseColumns;
import android.util.Log;
import android.view.KeyEvent;
import android.view.View;
import android.widget.TextView;
import com.google.zxing.client.android.clipboard.ClipboardInterface;
/**
* Barcode Scanner can share data like contacts and bookmarks by displaying a QR Code on screen,
* such that another user can scan the barcode with their phone.
*
* @author dswitkin@google.com (Daniel Switkin)
*/
public final class ShareActivity extends Activity {
private static final String TAG = ShareActivity.class.getSimpleName();
private static final int PICK_BOOKMARK = 0;
private static final int PICK_CONTACT = 1;
private static final int PICK_APP = 2;
private View clipboardButton;
private final View.OnClickListener contactListener = new View.OnClickListener() {
@Override
public void onClick(View v) {
Intent intent = new Intent(Intent.ACTION_PICK, ContactsContract.Contacts.CONTENT_URI);
intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET);
startActivityForResult(intent, PICK_CONTACT);
}
};
private final View.OnClickListener bookmarkListener = new View.OnClickListener() {
@Override
public void onClick(View v) {
Intent intent = new Intent(Intent.ACTION_PICK);
intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET);
intent.setClassName(ShareActivity.this, BookmarkPickerActivity.class.getName());
startActivityForResult(intent, PICK_BOOKMARK);
}
};
private final View.OnClickListener appListener = new View.OnClickListener() {
@Override
public void onClick(View v) {
Intent intent = new Intent(Intent.ACTION_PICK);
intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET);
intent.setClassName(ShareActivity.this, AppPickerActivity.class.getName());
startActivityForResult(intent, PICK_APP);
}
};
private final View.OnClickListener clipboardListener = new View.OnClickListener() {
@Override
public void onClick(View v) {
// Should always be true, because we grey out the clipboard button in onResume() if it's empty
CharSequence text = ClipboardInterface.getText(ShareActivity.this);
if (text != null) {
launchSearch(text.toString());
}
}
};
private final View.OnKeyListener textListener = new View.OnKeyListener() {
@Override
public boolean onKey(View view, int keyCode, KeyEvent event) {
if (keyCode == KeyEvent.KEYCODE_ENTER && event.getAction() == KeyEvent.ACTION_DOWN) {
String text = ((TextView) view).getText().toString();
if (text != null && !text.isEmpty()) {
launchSearch(text);
}
return true;
}
return false;
}
};
private void launchSearch(String text) {
Intent intent = new Intent(Intents.Encode.ACTION);
intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET);
intent.putExtra(Intents.Encode.TYPE, Contents.Type.TEXT);
intent.putExtra(Intents.Encode.DATA, text);
intent.putExtra(Intents.Encode.FORMAT, BarcodeFormat.QR_CODE.toString());
startActivity(intent);
}
@Override
public void onCreate(Bundle icicle) {
super.onCreate(icicle);
setContentView(R.layout.share);
findViewById(R.id.share_contact_button).setOnClickListener(contactListener);
if (Build.VERSION.SDK_INT >= 23) { // Marshmallow / 6.0
// Can't access bookmarks in 6.0+
findViewById(R.id.share_bookmark_button).setEnabled(false);
} else {
findViewById(R.id.share_bookmark_button).setOnClickListener(bookmarkListener);
}
findViewById(R.id.share_app_button).setOnClickListener(appListener);
clipboardButton = findViewById(R.id.share_clipboard_button);
clipboardButton.setOnClickListener(clipboardListener);
findViewById(R.id.share_text_view).setOnKeyListener(textListener);
}
@Override
protected void onResume() {
super.onResume();
clipboardButton.setEnabled(ClipboardInterface.hasText(this));
}
@Override
public void onActivityResult(int requestCode, int resultCode, Intent intent) {
if (resultCode == RESULT_OK) {
switch (requestCode) {
case PICK_BOOKMARK:
case PICK_APP:
showTextAsBarcode(intent.getStringExtra("url")); // Browser.BookmarkColumns.URL
break;
case PICK_CONTACT:
// Data field is content://contacts/people/984
showContactAsBarcode(intent.getData());
break;
}
}
}
private void showTextAsBarcode(String text) {
Log.i(TAG, "Showing text as barcode: " + text);
if (text == null) {
return; // Show error?
}
Intent intent = new Intent(Intents.Encode.ACTION);
intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET);
intent.putExtra(Intents.Encode.TYPE, Contents.Type.TEXT);
intent.putExtra(Intents.Encode.DATA, text);
intent.putExtra(Intents.Encode.FORMAT, BarcodeFormat.QR_CODE.toString());
startActivity(intent);
}
/**
* Takes a contact Uri and does the necessary database lookups to retrieve that person's info,
* then sends an Encode intent to render it as a QR Code.
*
* @param contactUri A Uri of the form content://contacts/people/17
*/
private void showContactAsBarcode(Uri contactUri) {
Log.i(TAG, "Showing contact URI as barcode: " + contactUri);
if (contactUri == null) {
return; // Show error?
}
ContentResolver resolver = getContentResolver();
Cursor cursor;
try {
// We're seeing about six reports a week of this exception although I don't understand why.
cursor = resolver.query(contactUri, null, null, null, null);
} catch (IllegalArgumentException ignored) {
return;
}
if (cursor == null) {
return;
}
String id;
String name;
boolean hasPhone;
try {
if (!cursor.moveToFirst()) {
return;
}
id = cursor.getString(cursor.getColumnIndex(BaseColumns._ID));
name = cursor.getString(cursor.getColumnIndex(ContactsContract.Contacts.DISPLAY_NAME));
hasPhone = cursor.getInt(cursor.getColumnIndex(ContactsContract.Contacts.HAS_PHONE_NUMBER)) > 0;
} finally {
cursor.close();
}
// Don't require a name to be present, this contact might be just a phone number.
Bundle bundle = new Bundle();
if (name != null && !name.isEmpty()) {
bundle.putString(ContactsContract.Intents.Insert.NAME, massageContactData(name));
}
if (hasPhone) {
Cursor phonesCursor = resolver.query(ContactsContract.CommonDataKinds.Phone.CONTENT_URI,
null,
ContactsContract.CommonDataKinds.Phone.CONTACT_ID + '=' + id,
null,
null);
if (phonesCursor != null) {
try {
int foundPhone = 0;
int phonesNumberColumn = phonesCursor.getColumnIndex(ContactsContract.CommonDataKinds.Phone.NUMBER);
int phoneTypeColumn = phonesCursor.getColumnIndex(ContactsContract.CommonDataKinds.Phone.TYPE);
while (phonesCursor.moveToNext() && foundPhone < Contents.PHONE_KEYS.length) {
String number = phonesCursor.getString(phonesNumberColumn);
if (number != null && !number.isEmpty()) {
bundle.putString(Contents.PHONE_KEYS[foundPhone], massageContactData(number));
}
int type = phonesCursor.getInt(phoneTypeColumn);
bundle.putInt(Contents.PHONE_TYPE_KEYS[foundPhone], type);
foundPhone++;
}
} finally {
phonesCursor.close();
}
}
}
Cursor methodsCursor = resolver.query(ContactsContract.CommonDataKinds.StructuredPostal.CONTENT_URI,
null,
ContactsContract.CommonDataKinds.StructuredPostal.CONTACT_ID + '=' + id,
null,
null);
if (methodsCursor != null) {
try {
if (methodsCursor.moveToNext()) {
String data = methodsCursor.getString(
methodsCursor.getColumnIndex(ContactsContract.CommonDataKinds.StructuredPostal.FORMATTED_ADDRESS));
if (data != null && !data.isEmpty()) {
bundle.putString(ContactsContract.Intents.Insert.POSTAL, massageContactData(data));
}
}
} finally {
methodsCursor.close();
}
}
Cursor emailCursor = resolver.query(ContactsContract.CommonDataKinds.Email.CONTENT_URI,
null,
ContactsContract.CommonDataKinds.Email.CONTACT_ID + '=' + id,
null,
null);
if (emailCursor != null) {
try {
int foundEmail = 0;
int emailColumn = emailCursor.getColumnIndex(ContactsContract.CommonDataKinds.Email.DATA);
while (emailCursor.moveToNext() && foundEmail < Contents.EMAIL_KEYS.length) {
String email = emailCursor.getString(emailColumn);
if (email != null && !email.isEmpty()) {
bundle.putString(Contents.EMAIL_KEYS[foundEmail], massageContactData(email));
}
foundEmail++;
}
} finally {
emailCursor.close();
}
}
Intent intent = new Intent(Intents.Encode.ACTION);
intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET);
intent.putExtra(Intents.Encode.TYPE, Contents.Type.CONTACT);
intent.putExtra(Intents.Encode.DATA, bundle);
intent.putExtra(Intents.Encode.FORMAT, BarcodeFormat.QR_CODE.toString());
Log.i(TAG, "Sending bundle for encoding: " + bundle);
startActivity(intent);
}
private static String massageContactData(String data) {
// For now -- make sure we don't put newlines in shared contact data. It messes up
// any known encoding of contact data. Replace with space.
if (data.indexOf('\n') >= 0) {
data = data.replace("\n", " ");
}
if (data.indexOf('\r') >= 0) {
data = data.replace("\r", " ");
}
return data;
}
}