判断联系人是否存在
联系人存储包括两个位置：SIM卡和手机上，在查找过程中要分别判断。
手机上存储位置在/data/data/com/android.providers.contacts/databases。
1 判断是否存储在手机上（CallDetailActivity）
Uri personUri = null; Uri phoneUri = Uri.withAppendedPath(PhoneLookup.CONTENT_FILTER_URI, Uri.encode(mNumber)); Cursor phonesCursor = resolver.query(phoneUri, PHONES_PROJECTION, null, null, null); try { if (phonesCursor != null && phonesCursor.moveToFirst()) { long personId = phonesCursor.getLong(COLUMN_INDEX_ID); personUri = ContentUris.withAppendedId( Contacts.CONTENT_URI, personId); callText = getString(R.string.recentCalls_callNumber, phonesCursor.getString(COLUMN_INDEX_NAME)); mNumber = PhoneNumberUtils.formatNumber( phonesCursor.getString(COLUMN_INDEX_NUMBER)); callLabel = Phone.getDisplayLabel(this, phonesCursor.getInt(COLUMN_INDEX_TYPE), phonesCursor.getString(COLUMN_INDEX_LABEL)).toString(); } else { mNumber = PhoneNumberUtils.formatNumber(mNumber); } } finally { if (phonesCursor != null) phonesCursor.close(); }Cursor cursor = this.getContentResolver().query( ContactsContract.CommonDataKinds.Phone.CONTENT_URI, projection, //返回字段 ContactsContract.CommonDataKinds.Phone.NUMBER + " = '" + mNumber + "'", // null, // WHERE clause value substitution null); // Sort order.
Cursor simCursor=null; String[] SIM_CONTENT_PROJECTION = new String[] { "name", "number", }; boolean hasIccCard1 = ((TelephonyManager) this .getSystemService( PhoneFactory.getServiceName(Context.TELEPHONY_SERVICE, 0))).hasIccCard(); if(hasIccCard1){ simCursor = resolver.query(EditSimCardActivity.SIM1_URI,SIM_CONTENT_PROJECTION, null, null, null); try { if (simCursor != null) { if (simCursor.moveToFirst()) { do { String tempName = simCursor.getString(0); String tempNumber = simCursor.getString(1); if (mNumber.equals(tempNumber)) { hasFoundContact=true; simContactIntent=new Intent(); simContactIntent.setClass(this, ViewSimCardContactActivity.class); simContactIntent.putExtra(EditSimCardActivity.SIM_CONTACT_NAME, tempName); simContactIntent.putExtra(EditSimCardActivity.SIM_CONTACT_NUMBER, tempNumber); simContactIntent.putExtra(EditSimCardActivity.SIM_ADDRESS, EditSimCardActivity.SIM1_ADDRESS); callText = getString(R.string.recentCalls_callNumber,tempName); mNumber = PhoneNumberUtils.formatNumber(tempNumber); break; } } while (simCursor.moveToNext()); } simCursor.close(); } } finally { if (simCursor != null) simCursor.close(); } }if (personUri != null) { //phone Intent viewIntent = new Intent(Intent.ACTION_VIEW, personUri); actions.add(new ViewEntry(R.drawable.sym_action_view_contact, getString(R.string.menu_viewContact), viewIntent)); } else if (simContactIntent != null) { //sim actions.add(new ViewEntry(R.drawable.sym_action_view_contact, getString(R.string.menu_viewContact), simContactIntent)); } else { // none Intent createIntent = new Intent(Intent.ACTION_INSERT_OR_EDIT); createIntent.setType(Contacts.CONTENT_ITEM_TYPE); createIntent.putExtra(Insert.PHONE, mNumber); actions.add(new ViewEntry(R.drawable.sym_action_add, getString(R.string.recentCalls_addToContact), createIntent)); }