获取到联系人name,可是把name设置成全局变量在MainActivity中只用却一直是nul
public class MyPhoneStateListener extends PhoneStateListener {
Context context;
public static String name;
public void onCallStateChanged(int state, String incomingNumber) {
if((!(incomingNumber.isEmpty()))&&state == TelephonyManage
r.CALL_STATE_RINGING){
//在这个位置可以获取到联系人name,可是把name设置成全局变量在MainActivity中只用却一直是null,怎么破
name = getContactNameFromPhoneBook(AppContext.getContext(), incomingNumber);
Log.e("PhoneCallState", "来电: " + name);
}
}
public String getContactNameFromPhoneBook(Context context, String phoneNum) {
String contactName = "";
String[] projection = { ContactsContract.PhoneLookup.DISPLAY_NAME,
ContactsContract.PhoneLookup.NUMBER};
Uri uri = Uri.withAppendedPath(
ContactsContract.PhoneLookup.CONTENT_FILTER_URI,
Uri.encode(phoneNum));
Cursor cursor = context.getContentResolver().query(uri, projection,null, null, null);
if (cursor.moveToFirst()) {
contactName = cursor.getString(cursor.getColumnIndex(ContactsContract.CommonDataKinds.Phone.DISPLAY_NAME));
cursor.close();
return contactName;
}
else{
return phoneNum;
}
}