Example usage for android.text TextUtils isEmpty

Introduction

In this page you can find the example usage for android.text TextUtils isEmpty.

Prototype

public static boolean isEmpty(@Nullable CharSequence str)

Source Link

Document

Returns true if the string is null or 0-length.

Usage

From source file:Main.java

public static boolean isValidId(String id) {
    try {/*  w w  w.  j av a2  s . c o m*/
        return !TextUtils.isEmpty(id) && TextUtils.isDigitsOnly(id) && Integer.parseInt(id) > 0;
    } catch (Exception e) {
        return false;
    }
}

From source file:Main.java

public static String changeTel(String pNumber) {
    if (!TextUtils.isEmpty(pNumber) && pNumber.length() > 6) {
        StringBuilder sb = new StringBuilder();
        for (int i = 0; i < pNumber.length(); i++) {
            char c = pNumber.charAt(i);
            if (i >= 3 && i <= 6) {
                sb.append('*');
            } else {
                sb.append(c);//from  w  w w .j  a va2  s .com
            }
        }
        return sb.toString();
    }
    return pNumber;
}

From source file:Main.java

public static Uri getUriFromFile(String path) {
    if (TextUtils.isEmpty(path)) {
        return Uri.parse("");
    } else {/*from  w w  w  . ja va2  s. co  m*/
        return Uri.parse("file://" + path);
    }
}

From source file:Main.java

public final static boolean isValidEmail(CharSequence charSequence) {
    return !TextUtils.isEmpty(charSequence)
            && android.util.Patterns.EMAIL_ADDRESS.matcher(charSequence).matches();
}

From source file:Main.java

public static boolean deleteFile(String fileName) {
    boolean res = false;
    if (!TextUtils.isEmpty(fileName)) {
        File file = new File(fileName);
        if (file.exists()) {
            res = file.delete();/* w w  w.  j a va 2  s  .c om*/
        }
    }
    return res;
}

From source file:Main.java

public static Uri getUriFromAsset(String path) {
    if (TextUtils.isEmpty(path)) {
        return Uri.parse("");
    } else {//from   w ww.ja va  2 s .  c  o m
        return Uri.parse("asset:///" + path);
    }
}

From source file:Main.java

public static String getFormatDayTime(String time) {
    if (TextUtils.isEmpty(time))
        return null;

    return getFormatDayTime(Long.valueOf(time));
}

From source file:Main.java

public static String interceptStringOfIndex(String str, int index) {
    String intercept = str;//www .  ja v  a 2 s  .c  om

    if (TextUtils.isEmpty(str)) {
        return str;
    }

    if (str.length() > index) {
        intercept = str.substring(str.length() - index, str.length());

    }

    return intercept;
}

From source file:Main.java

public static boolean validateInputNumber(String text) {
    boolean digitsOnly = TextUtils.isDigitsOnly(text);
    if (TextUtils.isEmpty(text) || !digitsOnly) {
        return false;
    }//from   www  .  ja  v a 2 s  .  c  o  m
    return true;
}

From source file:Main.java

@Nullable
public static String nullableString(@Nullable String str) {
    return TextUtils.isEmpty(str) ? null : str;
}