读取通话记录的工具类

public class CallInfoService {

    /**
     * 获取通话记录
     *
     * @param context 上下文。通话记录需要从系统的【通话应用】中的内容提供者中获取，内容提供者需要上下文。通话记录保存在联系人数据库中：data/data/com.android.provider.contacts/databases/contacts2.db库中的calls表。
     * @return 包含所有通话记录的一个集合
     */
    public static List
 
   getCallInfos(final Context context) {
        final List
  
    infos = new ArrayList<>(); final List
   
     newList = new ArrayList<>(); RxPermissions.getInstance(context).request(Manifest.permission.READ_CALL_LOG) .subscribe(new Action1
    
     () { @Override public void call(Boolean aBoolean) { if (aBoolean) { ContentResolver resolver = context.getContentResolver(); // uri的写法需要查看源码JB\packages\providers\ContactsProvider\AndroidManifest.xml中内容提供者的授权 // 从清单文件可知该提供者是CallLogProvider，且通话记录相关操作被封装到了Calls类中 Uri uri = CallLog.Calls.CONTENT_URI; String[] projection = new String[]{ CallLog.Calls.CACHED_NAME,//姓名 CallLog.Calls.NUMBER, // 号码 CallLog.Calls.DATE, // 日期 CallLog.Calls.TYPE, // 类型：来电、去电、未接 CallLog.Calls.DURATION }; if (ActivityCompat.checkSelfPermission(context, Manifest.permission.READ_CALL_LOG) != PackageManager.PERMISSION_GRANTED) { // TODO: Consider calling // ActivityCompat#requestPermissions // here to request the missing permissions, and then overriding // public void onRequestPermissionsResult(int requestCode, String[] permissions, // int[] grantResults) // to handle the case where the user grants the permission. See the documentation // for ActivityCompat#requestPermissions for more details. return; } try { Cursor cursor = resolver.query(uri, projection, null, null, null); while (cursor.moveToNext()) { if (infos.size()>2000){ break; } // instance = CallInfo.getInstance(); // instance.setName(cursor.getString(0)); // instance.setNumber(cursor.getString(1)); // instance.setDate(cursor.getLong(2)); // instance.setType(cursor.getInt(3)); // instance.setDuration(cursor.getString(4)); // infos.add(instance); String name = cursor.getString(0); String number = cursor.getString(1); long date = cursor.getLong(2); int type = cursor.getInt(3); String duration=cursor.getString(4); infos.add(CallInfo.getInstance(name,number,date,type,duration)); // infos.add(new CallInfo(name, number, date, type,duration)); } cursor.close(); } catch (Exception e) { e.printStackTrace(); } for (int i = 0; i < infos.size(); i++) { for (int j = i + 1; j < infos.size(); j++) { if (infos.get(i).getNumber().equals(infos.get(j).getNumber())) { newList.add(infos.get(i)); break; } } } } else { Toast.makeText(context, "请开启通话记录权限", Toast.LENGTH_SHORT).show(); } } }); return newList; } }