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異步任務Java Android

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-
更新於 2015-07-10 16:34:11

 public class ExcuteAsyncTaskOperation extends AsyncTask<Void, Integer, String>{

        @Override
        protected void onPreExecute() {
            //執行UI設定
            super.onPreExecute();
        }

        @Override
        protected String doInBackground(Void... params) {
            //進行背景工作,如「Network」,並可轉發值。
            //在迴圈中使用publishProgress((onProgressUpdate引數類別)變數);以傳遞資料。
            //例如publishProgress((int)50);
            return null;
        }

        @Override
        protected void onProgressUpdate(Integer... progress) {
            //設定更新進程條
            //setProgressPercent(progress[0]);
        }

        @Override
        protected void onPostExecute(String result) {
            //結束,更新UI介面
            super.onPostExecute(result);
        }
    }

運行方法

    new ExcuteAsyncTaskOperation().execute();

This entry was posted in Java, Note By Weil Jimmer.

純筆記

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發布於 2015-05-28 21:22:20

不解釋。

http://drops.wooyun.org/category/mobile


This entry was posted in Note By Weil Jimmer.

Java 型別 List 當使用Arrays.asList時無法 add()、remove()

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發布於 2015-05-17 20:23:46

因為Arrays.asList會強制固定長度。

只能用以下方法把Array宣告成List,可以正常使用。

List<String> list = new LinkedList<String>(Arrays.asList(split));

僅此作為筆記。


This entry was posted in Experience, Functions, Java By Weil Jimmer.

Android Java Activity 事件

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發布於 2015-05-17 16:50:36

image

引用自:

https://www.thenewboston.com/forum/topic.php?id=3234


This entry was posted in Android, Experience, Functions, Java, Note By Weil Jimmer.

Java MessageBox

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發布於 2015-05-17 14:21:05

    private void msg_box(String title, String msg)    {
        AlertDialog.Builder alertDialog = new AlertDialog.Builder(this);
        alertDialog.setTitle(title);
        //alertDialog.setPositiveButton("OK", this);
        //alertDialog.setNegativeButton("Cancel", this);
        alertDialog.setMessage(msg);
        alertDialog.show();
    }

 


This entry was posted in Functions, Java By Weil Jimmer.

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