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 void showMessage(Context context, String msg) {
    if (context == null || TextUtils.isEmpty(msg)) {
        return;//from   www  . ja v a 2  s  .c om
    }
    Toast.makeText(context, msg, Toast.LENGTH_SHORT).show();
}

From source file:Main.java

public static boolean doesAccountHaveEmail(Account account) {
    if (account == null || TextUtils.isEmpty(account.name)) {
        return false;
    }//  w  w w .  j a v a 2 s . c o m
    return Patterns.EMAIL_ADDRESS.matcher(account.name).matches();
}

From source file:Main.java

public static String getDeviceModel() {
    String model = Build.MODEL;/*from  w  ww  .  j  ava  2 s . c o m*/
    if (TextUtils.isEmpty(model)) {
        return "unknown";
    }
    return model;
}

From source file:Main.java

public static String patternLoginVerificationCode(String patternContent) {
    if (TextUtils.isEmpty(patternContent)) {
        return null;
    }/*from w w w.  j  av a  2  s . c  o  m*/
    Pattern p = Pattern.compile("(?<!\\d)\\d{6}(?!\\d)");
    Matcher matcher = p.matcher(patternContent);
    if (matcher.find()) {
        return matcher.group();
    }
    return null;
}

From source file:Main.java

private static Field getField(Class<?> thisClass, String fieldName) {
    Field field = null;/*from   w w w.  j  av  a  2s  .c o m*/

    if (!TextUtils.isEmpty(fieldName)) {
        try {
            field = thisClass.getDeclaredField(fieldName);
        } catch (NoSuchFieldException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }

    return field;
}

From source file:Main.java

public static int getFacialIdentifier(Context context, String type) {
    if (TextUtils.isEmpty(type)) {
        return -1;
    }/*from   w  w w  . jav  a2s.c o m*/
    Resources res = context.getResources();
    int resId = res.getIdentifier(String.format("like_%s", type), "drawable", context.getPackageName());
    return resId;
}

From source file:Main.java

public static long getFileSize(Context context, String filePath) {
    if (context != null && !TextUtils.isEmpty(filePath)) {
        File f = new File(filePath);
        if (f.exists() && f.isFile()) {
            return f.length();
        }/*from w  ww  .ja v  a2  s  .  c om*/
    }
    return -1l;
}

From source file:Main.java

public static String formatMoneyYuan(String amount) {
    if (TextUtils.isEmpty(amount)) {
        return "0.00";
    }/*from  w w w.jav  a 2 s.  co m*/
    String result;
    try {
        double num = Double.parseDouble(amount);
        DecimalFormat formater = new DecimalFormat("###,##0.00");
        result = formater.format(num);
    } catch (NumberFormatException e) {
        result = amount;
    }
    return result;
}

From source file:Main.java

public static boolean isInternal(String path) {
    return TextUtils.isEmpty(path) || path.startsWith(Environment.getRootDirectory() + "/media")
            || path.startsWith(getDataSDCardRoot());
}

From source file:Main.java

public static float getFloat(JSONObject jsonObject, String key) {
    if (jsonObject == null || TextUtils.isEmpty(key)) {
        return -1F;
    }/*from ww  w.j a v a 2  s.  c  om*/
    try {
        return (float) jsonObject.getDouble(key);
    } catch (Exception e) {
    }
    return -1F;
}