mathewsebastian04

To get connected usb devices with their vendor id
lsusb

The four digits before the colon is the vendor id.

Navigate to
/etc/udev/rules.d

gedit 51-android.rules

mathewsebastian04

import java.util.regex.Matcher;
import java.util.regex.Pattern;
 
public class IPAddressValidator{
	
    private Pattern pattern;
    private Matcher matcher;
 
    private static final String IPADDRESS_PATTERN = 
		"^([01]?\\d\\d?|2[0-4]\\d|25[0-5])\\." +

mathewsebastian04

Option 1

This example takes the default date without any formatting and outputs:  2013-11-15 09:46:33

Date = (TextView) findViewById(R.id.txtDate);
String Date= DateFormat.getDateTimeInstance().format(new Date());
textView.setText(Date);

Option 2

mathewsebastian04

100% — FF
99% — FC
98% — FA
97% — F7
96% — F5
95% — F2
94% — F0
93% — ED
92% — EB
91% — E8

mathewsebastian04

From android 4.1 / 4.2, the following Roboto font families are available:

android:fontFamily="sans-serif"           // roboto regular  
android:fontFamily="sans-serif-light"     // roboto light  
android:fontFamily="sans-serif-condensed" // roboto condensed  
android:fontFamily="sans-serif-thin"      // roboto thin (android 4.2)  
android:fontFamily="sans-serif-medium"    // roboto medium (android 5.0)
in combination with this

android:textStyle="normal|bold|italic" 

mathewsebastian04

adb shell pm clear com.package.name

adb devices

adb kill-server
adb start-server

adb help

adb push <local> <remote>

mathewsebastian04

    public static boolean isValidPhoneNumber(CharSequence target) {
        return !TextUtils.isEmpty(target) && Patterns.PHONE.matcher(target).matches() && target.length() < 16;
    }

mathewsebastian04

public static boolean validateEmail(final String email) {
        return email != null && !TextUtils.isEmpty(email) && android.util.Patterns.EMAIL_ADDRESS.matcher(email).matches();
    }

mathewsebastian04

    public static int getUnixTimeStamp() {
        Date date = new Date();
        return (int) (date.getTime() / 1000);
    }

mathewsebastian04

    public static String generateUUID() {
        UUID uuid = UUID.randomUUID();
        String UUID = uuid.toString();
        Log.i(TAG, "UUID : " + UUID);
        Log.i(TAG, "UUID version : " + uuid.version());
        Log.i(TAG, "UUID variant : " + uuid.variant());
        return UUID;
    }