[Android] BLE Gatt error 133 (solved)

BLE disconnect. Gatt error 133

if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {

            connectDevice.connectGatt(context, Consts.autoConnect, gatt_callback, BluetoothDevice.TRANSPORT_LE);
}else {

            connectDevice.connectGatt(context, Consts.autoConnect, gatt_callback);
}

Delete a branch in "CVS"

Delete a branch in "CVS"

command: tag -dB branchname

-d: delete

-B: override and let it know to delete the branch (not a tag).

Two floating numbers 四捨五入

Input two floating numbers X and P.

a. 0 < X <1
b. P = 1 / 0.1 / 0.01/ 0.001
c. answer format %.4f

ex:
if X is 0.5678 and P is 0.01, then the answer is 0.5700
if X is 0.1269 and P is 0.1, then the answer is 0.1000

C int mapping string

Encoding scheme defined by the following mapping: 

1->'A',
2->'B',
3->'C',
...,
9->'I',
0->'J'.

Input A three-digit integer N

Output The encoding result

Xcode 6.0.1 / iOS 8 UIAlertController

UIAlertControllerStyleAlert with Buttons

UIAlertController  *alertController = [UIAlertController alertControllerWithTitle:nil message:nil preferredStyle:UIAlertControllerStyleAlert];
   
UIAlertAction *cancelAction = [UIAlertAction actionWithTitle:@"Cancel"
style:UIAlertActionStyleCancel
handler:^(UIAlertAction *action)
{
NSLog(@"Cancel Action");
        }];
   
UIAlertAction *deleteAction = [UIAlertAction actionWithTitle:@"Delete"
style:UIAlertActionStyleDefault
handler:^(UIAlertAction *action)
{
NSLog(@"Delete Action");
}];

[alertController addAction:cancelAction];
[alertController addAction:deleteAction];

[self presentViewController:alertController animated:YES completion:nil];

iOS set UIImageView to CircleView

- (id)imageViewSetCornerRadius:(UIImageView *)imageView withImage:(UIImage *)image {

    

    imageView.image = image;

    imageView.layer.borderWidth = 3.0f;

    imageView.layer.borderColor = [UIColor whiteColor].CGColor;

    imageView.layer.cornerRadius = imageView.frame.size.width / 2;

    imageView.clipsToBounds = YES;

    

    return imageView;

}

[iOS] Objective-c sharedApplication delegate, global @property

AppDelegate.h

#define appDelegate ((AppDelegate *)[[UIApplication sharedApplication] delegate])

@property (nonatomic, assign)NSInteger globalCount;

How to use?

[Android] ArrayList save HashMap

ArrayList<HashMap<String,String>> list = new ArrayList<HashMap<String,String>>();

//Save

for(int i=0;i<5;i++) {

        HashMap<String,String> tempMap = new HashMap<String,String>();

        String name = "server"+i;

        String mac = "11:22:33:44:55:6"+i;

        tempMap.put("DEVICE_NAME",name);

        tempMap.put("DEVICE_MAC",mac);

        peripheralScanResultList.add(tempMap);

}

//Get

for(HashMap<String, String> tempMap: peripheralScanResultList) {

        Iterator<String> iterator = tempMap.keySet().iterator();

        while( iterator.hasNext() ){

                String key=(String)iterator.next();

                String value=(String)tempMap.get(key);

                Log.i(TAG, key + ", " +value);

        }

}

[Android] SQLite execSQL, rawQuery

SQLiteDatabase db = dbHelper.getWritableDatabase();

a. Create table

 String INIT_TABLE = "CREATE TABLE IF NOT EXISTS " + tableName + " ("
                                     + _ID + " INTEGER PRIMARY KEY AUTOINCREMENT, " 
                                     + field1 + " TEXT, "
                                     + field2 + " INTEGER, "
                                     + field3 + " VARCHAR );" ;

db.execSQL(INIT_TABLE);

b. Delete table

    try {

          db.execSQL("delete from "+ tableName);

    } catch (SQLException e) {

          Log.e("ERROR", e.toString());

    }

    

    db.close();

[iOS] Objective-c save/load image under APP document

Objective-c save/load image under APP document

Save image: 

   [self saveImageInDocumenet:Image withName:@"blue"];

Load image with name: 

   UIImage *image = [self loadImageFromDocumentWithName:@"blue"];

- (void)saveImageInDocumenet:(UIImage *)image withName:(NSString *)name {

    

    if (image != nil) {

        

        NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory,

                                                             NSUserDomainMask, YES);

        NSString *documentsDirectory = [paths objectAtIndex:0];

        NSString* path = [documentsDirectory stringByAppendingPathComponent:name];

        NSData* data = UIImagePNGRepresentation(image);

        [data writeToFile:path atomically:YES];

    }

}

[iOS] Objective-c NSString to Hex string

Objective-c NSString to Hex string

NSData *data = [self parseMacAddress:@"AABBCCDDEEFF "];

NSLog(@"After transfer: %@", data); 

= > AABBCCDDEEFF (Hex)

[Android] Bluetooth Chat receive data lost

原先: 
while (true) {
                try {
                    // Read from the InputStream
                    bytes = mmInStream.read(buffer);
                    // Send the obtained bytes to the UI Activity
                    mHandler.obtainMessage(BluetoothChat.MESSAGE_READ, bytes, -1, buffer)
                            .sendToTarget();
                } catch (IOException e) {
                    Log.e(TAG, "disconnected", e);
                    connectionLost();
                    // Start the service over to restart listening mode
                    BluetoothChatService.this.start();
                    break;
                }
            }

[Android] remember me checkbox

private CheckBox checkBox;
SharedPreferences login_pref;
private SharedPreferences.Editor loginPrefsEditor;
private Boolean saveLogin;

// onCreate

username = (EditText) findViewById(R.id.editText_username);
password = (EditText) findViewById(R.id.editText_password);
login = (Button) findViewById(R.id.button_login);
checkBox = (CheckBox)findViewById(R.id.checkBox1);
login.setOnClickListener(this);

login_pref = getSharedPreferences("loginPrefs", MODE_PRIVATE);
loginPrefsEditor = login_pref.edit();
saveLogin = login_pref.getBoolean("saveLogin", false);
if (saveLogin == true) {
        username.setText(login_pref.getString("username", ""));
        password.setText(login_pref.getString("password", ""));
        checkBox.setChecked(true);
}

PandaBoard driver install

PandaBoard Driver Install

find sdk\extras\google\usb_driver\android_winusb.inf
open it and
add:

;OMAP-3/4 
%SingleAdbInterface% = USB_Install, USB\VID_18D1&PID_D002&REV_0216 
%CompositeAdbInterface% = USB_Install, USB\VID_0451&PID_D102&MI_01 
%CompositeAdbInterface% = USB_Install, USB\VID_0451&PID_D106&MI_02 
%CompositeAdbInterface% = USB_Install, USB\VID_0451&PID_D107&MI_03 
%SingleAdbInterface% = USB_Install, USB\VID_0451&PID_FFFFE 
%CompositeAdbInterface% = USB_Install, USB\VID_0451&PID_FFFE&MI_01

in [Google.NTx86]

( PandaBoard 硬體識別碼)

設定好之後, 再更新驅動程式 from sdk\extras\google\usb_driver folder
便可以順利安裝

[Android] NFC API application

如何註冊我的APP是NFC程式呢？


1. 首先要先開起 AndroidManifest.xml

<activity android:configchanges="locale" android:label="@string/app_name" android:name=".MyNfc" android:screenorientation="portrait">
    <intent-filter>
        <action android:name="android.intent.action.MAIN">
        <category android:name="android.intent.category.LAUNCHER">
    </category></action>
</intent-filter>

    <intent-filter>
            <action android:name="android.nfc.action.TAG_DISCOVERED">              
    </action>
   </intent-filter>        
    <intent-filter>
            <action android:name="android.nfc.action.TECH_DISCOVERED">                              
    </action></intent-filter>
    <meta-data android:name="android.nfc.action.TECH_DISCOVERED" android:resource="@xml/nfc_tech_filter.xml">              
</meta-data>
</activity>

[Android] SimpleDateFormat ms

java.text.SimpleDateFormat date = 
new java.text.SimpleDateFormat(""yyyy/MM/dd HH:mm:ss:SSS"); //SS = ms

saveTime = date.format(new Date(System.currentTimeMillis()));

office2003升級2007一直失敗 出現Windows Installer 服務無法更新某些被防寫保護的windows 檔案

解決方法如下：

下載 fp4autl.dll 這檔案

apache httpd.conf virtual directory

Apache virtual directory設定：

以windows 7安裝appserv為例
appserv www 目錄在 C:\AppServ\www
想要新增一virtual directory取代本機端檔案夾目錄

找到apache的httpd.conf
以我的安裝為例, C:\AppServ\Apache2.2\conf

在空白處加上：

[C] read txt file number and separate save

ex:
輸入：
1 5 3 5
23 59 0 34
21 33 21 10
0 0 0 0

輸出 :
1 5 3 5
23 59 0 34
21 33 21 10
0 0 0 0


#include<stdio.h>

int main( void )
{
    int h1 , m1 , h2 , m2;
    while(1)
    {

[C#] Console.ReadLine txt file

ex:
輸入：
1 5 3 5
23 59 0 34
21 33 21 10
0 0 0 0

輸出 :
1 5 3 5
23 59 0 34
21 33 21 10


using System;
using System.Collections.Generic;
using System.Text;
using System.IO;
using System.Collections;

namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {   
            string line;
            while( (line=Console.ReadLine()) != null)