Android 号码查询性能优化
我的需求是做一个快速拨号界面!list列表显示所有联系人Calllog资料!原来的做法在前面的日志中有提到!大概是先查
- Cursor phoneCursor = this.managedQuery(
- ContactsContract.CommonDataKinds.Phone.CONTENT_URI, null, null,
- null, null);
- Cursor phoneCursor = this.managedQuery(
- ContactsContract.CommonDataKinds.Phone.CONTENT_URI, null, null,
- null, null);
再根据号码来查联系人
- if(0 < phoneCursor.getCount()){
- phoneCursor.moveToFirst();
-
-
- while (phoneCursor.getPosition() != phoneCursor.getCount()) {
- ContactEntity contactentity = new ContactEntity();
- contactentity.contact_id = phoneCursor
- .getLong(phoneCursor
- .getColumnIndex(ContactsContract.CommonDataKinds.Phone.CONTACT_ID));
- contactentity.contacts_phone_type = phoneCursor
- .getInt(phoneCursor
- .getColumnIndex(ContactsContract.CommonDataKinds.Phone.TYPE));
- contactentity.contacts_phone_number = phoneCursor
- .getString(phoneCursor
- .getColumnIndex(ContactsContract.CommonDataKinds.Phone.NUMBER)).replace(
- "-", "");
-
- contactCursor = this.managedQuery(
- ContactsContract.Contacts.CONTENT_URI, null,
- ContactsContract.Contacts._ID + "="
- + contactentity.contact_id, null, null);
- contactCursor.moveToFirst();
- contactentity.contacts_display_name = contactCursor
- .getString(contactCursor
- .getColumnIndex(ContactsContract.Contacts.DISPLAY_NAME)).replace(
- "-", "");
-
-
- Uri uri = ContentUris.withAppendedId(ContactsContract.Contacts.CONTENT_URI,
- contactentity.contact_id);
- InputStream input = ContactsContract.Contacts.openContactPhotoInputStream(getContentResolver(), uri);
- if(null != input){
- contactentity.contact_phone_bmp = BitmapFactory.decodeStream(input);
- }
-
-
- contactentity.spellName = PinYin.getInstance(this).getPinyinString(
- contactentity.contacts_display_name);
-
- Log.i(TAG, "contactentity.contact_id: " + contactentity.contact_id
- + " contactentity.contacts_phone_type: "
- + contactentity.contacts_phone_type
- + " contactentity.contacts_phone_number: "
- + contactentity.contacts_phone_number
- + "contactentity.contacts_display_name: "
- + contactentity.contacts_display_name
- + "contactentity.contact_phone_bmp: "
- + contactentity.contact_phone_bmp);
- phoneCursor.moveToNext();
-
- customArrayList.add(contactentity);
- }
- if(0 < phoneCursor.getCount()){
- phoneCursor.moveToFirst();
-
-
- while (phoneCursor.getPosition() != phoneCursor.getCount()) {
- ContactEntity contactentity = new ContactEntity();
- contactentity.contact_id = phoneCursor
- .getLong(phoneCursor
- .getColumnIndex(ContactsContract.CommonDataKinds.Phone.CONTACT_ID));
- contactentity.contacts_phone_type = phoneCursor
- .getInt(phoneCursor
- .getColumnIndex(ContactsContract.CommonDataKinds.Phone.TYPE));
- contactentity.contacts_phone_number = phoneCursor
- .getString(phoneCursor
- .getColumnIndex(ContactsContract.CommonDataKinds.Phone.NUMBER)).replace(
- "-", "");
-
- contactCursor = this.managedQuery(
- ContactsContract.Contacts.CONTENT_URI, null,
- ContactsContract.Contacts._ID + "="
- + contactentity.contact_id, null, null);
- contactCursor.moveToFirst();
- contactentity.contacts_display_name = contactCursor
- .getString(contactCursor
- .getColumnIndex(ContactsContract.Contacts.DISPLAY_NAME)).replace(
- "-", "");
-
-
- Uri uri = ContentUris.withAppendedId(ContactsContract.Contacts.CONTENT_URI,
- contactentity.contact_id);
- InputStream input = ContactsContract.Contacts.openContactPhotoInputStream(getContentResolver(), uri);
- if(null != input){
- contactentity.contact_phone_bmp = BitmapFactory.decodeStream(input);
- }
-
-
- contactentity.spellName = PinYin.getInstance(this).getPinyinString(
- contactentity.contacts_display_name);
-
- Log.i(TAG, "contactentity.contact_id: " + contactentity.contact_id
- + " contactentity.contacts_phone_type: "
- + contactentity.contacts_phone_type
- + " contactentity.contacts_phone_number: "
- + contactentity.contacts_phone_number
- + "contactentity.contacts_display_name: "
- + contactentity.contacts_display_name
- + "contactentity.contact_phone_bmp: "
- + contactentity.contact_phone_bmp);
- phoneCursor.moveToNext();
-
- customArrayList.add(contactentity);
- }
经过测试发现性能消耗主要在这个while循环当中!因为在循环当中在加一个查询数据库操作自然慢!
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