Example usage for android.view KeyEvent getMatch

Introduction

In this page you can find the example usage for android.view KeyEvent getMatch.

Prototype

public char getMatch(char[] chars) 

Source Link

Document

Gets the first character in the character array that can be generated by the specified key code.

Usage

From source file:Main.java

/**
 * Get an unaccepted key code.//from ww w .  j av  a 2s .c o m
 *
 * @param acceptedChars accepted chars array.
 * @return return key code if we find unaccepted one, or return -1.
 */
public static int getUnacceptedKeyCode(char[] acceptedChars) {
    for (int keyCode = KeyEvent.KEYCODE_A; keyCode <= KeyEvent.KEYCODE_Z; keyCode++) {
        KeyEvent event = new KeyEvent(KeyEvent.ACTION_DOWN, keyCode);
        if ('\0' == event.getMatch(acceptedChars)) {
            return keyCode;
        }
    }
    return -1;
}

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