android/src/com/google/zxing/client/android/share/ShareActivity.java - platform/external/zxing - Git at Google

 /*
  * 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(Intents.FLAG_NEW_DOC);
       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(Intents.FLAG_NEW_DOC);
       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(Intents.FLAG_NEW_DOC);
       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(Intents.FLAG_NEW_DOC);
     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(Intents.FLAG_NEW_DOC);
     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();

     String id;
     String name;
     boolean hasPhone;
     try (Cursor cursor = resolver.query(contactUri, null, null, null, null)) {
       if (cursor == null || !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;
     }

     // 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) {
       try (Cursor phonesCursor = resolver.query(ContactsContract.CommonDataKinds.Phone.CONTENT_URI,
                                                 null,
                                                 ContactsContract.CommonDataKinds.Phone.CONTACT_ID + '=' + id,
                                                 null,
                                                 null)) {
         if (phonesCursor != null) {
           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++;
           }
         }
       }
     }

     try (Cursor methodsCursor = resolver.query(ContactsContract.CommonDataKinds.StructuredPostal.CONTENT_URI,
                                                null,
                                                ContactsContract.CommonDataKinds.StructuredPostal.CONTACT_ID + '=' + id,
                                                null,
                                                null)) {
       if (methodsCursor != null && 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));
         }
       }
     }

     try (Cursor emailCursor = resolver.query(ContactsContract.CommonDataKinds.Email.CONTENT_URI,
                                              null,
                                              ContactsContract.CommonDataKinds.Email.CONTACT_ID + '=' + id,
                                              null,
                                              null)) {
       if (emailCursor != null) {
         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++;
         }
       }
     }

     Intent intent = new Intent(Intents.Encode.ACTION);
     intent.addFlags(Intents.FLAG_NEW_DOC);
     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;
   }
 }
	/*
	* 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(Intents.FLAG_NEW_DOC);
	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(Intents.FLAG_NEW_DOC);
	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(Intents.FLAG_NEW_DOC);
	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(Intents.FLAG_NEW_DOC);
	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(Intents.FLAG_NEW_DOC);
	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();

	String id;
	String name;
	boolean hasPhone;
	try (Cursor cursor = resolver.query(contactUri, null, null, null, null)) {
	if (cursor == null \|\| !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;
	}

	// 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) {
	try (Cursor phonesCursor = resolver.query(ContactsContract.CommonDataKinds.Phone.CONTENT_URI,
	null,
	ContactsContract.CommonDataKinds.Phone.CONTACT_ID + '=' + id,
	null,
	null)) {
	if (phonesCursor != null) {
	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++;
	}
	}
	}
	}

	try (Cursor methodsCursor = resolver.query(ContactsContract.CommonDataKinds.StructuredPostal.CONTENT_URI,
	null,
	ContactsContract.CommonDataKinds.StructuredPostal.CONTACT_ID + '=' + id,
	null,
	null)) {
	if (methodsCursor != null && 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));
	}
	}
	}

	try (Cursor emailCursor = resolver.query(ContactsContract.CommonDataKinds.Email.CONTENT_URI,
	null,
	ContactsContract.CommonDataKinds.Email.CONTACT_ID + '=' + id,
	null,
	null)) {
	if (emailCursor != null) {
	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++;
	}
	}
	}

	Intent intent = new Intent(Intents.Encode.ACTION);
	intent.addFlags(Intents.FLAG_NEW_DOC);
	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;
	}
	}