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@ -13,7 +13,7 @@
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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// -*- coding: utf-8 -*-
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package net.micode.notes.data;
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import android.content.Context;
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@ -25,11 +25,11 @@ import android.util.Log;
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import java.util.HashMap;
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// change
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public class Contact { // 联系人
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public class Contact { // 联系人
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private static HashMap<String, String> sContactCache;
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private static final String TAG = "Contact";
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// 定义字符串CALLER_ID_SELECTION
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// 定义字符串CALLER_ID_SELECTION
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private static final String CALLER_ID_SELECTION = "PHONE_NUMBERS_EQUAL(" + Phone.NUMBER
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+ ",?) AND " + Data.MIMETYPE + "='" + Phone.CONTENT_ITEM_TYPE + "'"
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@ -38,20 +38,20 @@ public class Contact { //
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+ " FROM phone_lookup"
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+ " WHERE min_match = '+')";
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// 获取联系人
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// 获取联系人
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public static String getContact(Context context, String phoneNumber) {
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if(sContactCache == null) {
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sContactCache = new HashMap<String, String>();
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}
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// 查找HashMap中是否已有phoneNumber信息
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// 查找HashMap中是否已有phoneNumber信息
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if(sContactCache.containsKey(phoneNumber)) {
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return sContactCache.get(phoneNumber);
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}
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String selection = CALLER_ID_SELECTION.replace("+",
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PhoneNumberUtils.toCallerIDMinMatch(phoneNumber));
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// 查找数据库中phoneNumber的信息
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// 查找数据库中phoneNumber的信息
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Cursor cursor = context.getContentResolver().query(
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Data.CONTENT_URI,
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new String [] { Phone.DISPLAY_NAME },
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@ -59,25 +59,25 @@ public class Contact { //
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new String[] { phoneNumber },
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null);
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// 判定查询结果
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// moveToFirst()返回第一条
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// 判定查询结果
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// moveToFirst()返回第一条
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if (cursor != null && cursor.moveToFirst()) {
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try {
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// 找到相关信息
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// 找到相关信息
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String name = cursor.getString(0);
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sContactCache.put(phoneNumber, name);
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return name;
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// 异常
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// 异常
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} catch (IndexOutOfBoundsException e) {
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Log.e(TAG, " Cursor get string error " + e.toString());
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return null;
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} finally {
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cursor.close();
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}
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// 未找到相关信息
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// 未找到相关信息
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} else {
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Log.d(TAG, "No contact matched with number:" + phoneNumber);
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return null;
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}
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}
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}
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}
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