Android 开发 实现文本搜索功能

/**

     * 搜索item

     * @param searchContent 需要搜索的文本内容

     */

    public void searchItem(String searchContent){

        this.mSearchContent = searchContent.trim();//去除空格

        if(TextUtils.isEmpty(mSearchContent)||mSearchContent.length()==0){//如果搜索内容是空的就显示全部内容

            this.mShowList.clear();

            mShowList.addAll(mAllDataList);

            notifyDataSetChanged();

            return;

        }

        List<THealthDataListBase.StudentData> tempList = new ArrayList<>();//用于临时保存匹配完成的数据

        THealthDataListBase.StudentData tempStudentData = null;//用于临时保存匹配完成的item数据

        char[] searchContentCharArray = searchContent.toCharArray();

        for (THealthDataListBase.StudentData studentData : mAllDataList){ //遍历全部学生名称

            char[] studentNameCharArray = studentData.name.trim().toCharArray();//学生名称去除空格,并且转成数组

            int count = 0;

            for (int i=0;i<searchContentCharArray.length;i++){ //遍历搜索文字

                for (char word :studentNameCharArray){ //遍历学生名称文字

                    if (word == searchContentCharArray[i]){ //判断一致的文字

                        count++;

                    }

                }

            }

            if (count == 0){ //如果匹配度是0就不添加

                continue;

            }

            tempStudentData = new THealthDataListBase().new StudentData();

            tempStudentData.name = studentData.name;

            tempStudentData.studentId = studentData.studentId;

            tempStudentData.morning = studentData.morning;

            tempStudentData.noon = studentData.noon;

            tempStudentData.setCount(count);

            tempList.add(tempStudentData);

        }

        if (tempList.isEmpty() && !mSearchContent.isEmpty()){

            mShowList.clear();

            notifyDataSetChanged();

            return;

        }

        Collections.sort(tempList);//排序

        mShowList.clear();

        mShowList.addAll(tempList);

        notifyDataSetChanged();

    }