public class MainActivity extends Activity { private TextView tv; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); tv=(TextView) findViewById(R.id.edittext); } public void click(View v){ String text=tv.getText().toString(); long[] pattern=MorseCodeConvert.pattern(text); Vibrator vibrator=(Vibrator) getSystemService(Context.VIBRATOR_SERVICE); vibrator.vibrate(pattern, -1); }}
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MorseCodeConvert是我们自定义的一个摩尔斯密码转换类
public class MorseCodeConvert { private static final long SPEED_BASE = 100; static final long DOT = SPEED_BASE; static final long DASH = SPEED_BASE * 3; static final long GAP = SPEED_BASE; static final long LETTER_GAP = SPEED_BASE * 3; static final long WORD_GAP = SPEED_BASE * 7; /** 用基本常量表示a-z的定义 */ private static final long[][] LETTERS = new long[][] { new long[] { DOT, GAP, DASH }, new long[] { DASH, GAP, DOT, GAP, DOT, GAP, DOT }, new long[] { DASH, GAP, DOT, GAP, DASH, GAP, DOT }, new long[] { DASH, GAP, DOT, GAP, DOT }, new long[] { DOT }, new long[] { DOT, GAP, DOT, GAP, DASH, GAP, DOT }, new long[] { DASH, GAP, DASH, GAP, DOT }, new long[] { DOT, GAP, DOT, GAP, DOT, GAP, DOT }, new long[] { DOT, GAP, DOT }, new long[] { DOT, GAP, DASH, GAP, DASH, GAP, DASH }, new long[] { DASH, GAP, DOT, GAP, DASH }, new long[] { DOT, GAP, DASH, GAP, DOT, GAP, DOT }, new long[] { DASH, GAP, DASH }, new long[] { DASH, GAP, DOT }, new long[] { DASH, GAP, DASH, GAP, DASH }, new long[] { DOT, GAP, DASH, GAP, DASH, GAP, DOT }, new long[] { DASH, GAP, DASH, GAP, DOT, GAP, DASH }, new long[] { DOT, GAP, DASH, GAP, DOT }, new long[] { DOT, GAP, DOT, GAP, DOT }, new long[] { DASH }, new long[] { DOT, GAP, DOT, GAP, DASH }, new long[] { DOT, GAP, DOT, GAP, DOT, GAP, DASH }, new long[] { DOT, GAP, DASH, GAP, DASH }, new long[] { DASH, GAP, DOT, GAP, DOT, GAP, DASH }, new long[] { DASH, GAP, DOT, GAP, DASH, GAP, DASH }, new long[] { DASH, GAP, DASH, GAP, DOT, GAP, DOT }, }; /** 用基本常量表示0-9的定义 */ private static final long[][] NUMBERS = new long[][] { new long[] { DASH, GAP, DASH, GAP, DASH, GAP, DASH, GAP, DASH }, new long[] { DOT, GAP, DASH, GAP, DASH, GAP, DASH, GAP, DASH }, new long[] { DOT, GAP, DOT, GAP, DASH, GAP, DASH, GAP, DASH }, new long[] { DOT, GAP, DOT, GAP, DOT, GAP, DASH, GAP, DASH }, new long[] { DOT, GAP, DOT, GAP, DOT, GAP, DOT, GAP, DASH }, new long[] { DOT, GAP, DOT, GAP, DOT, GAP, DOT, GAP, DOT }, new long[] { DASH, GAP, DOT, GAP, DOT, GAP, DOT, GAP, DOT }, new long[] { DASH, GAP, DASH, GAP, DOT, GAP, DOT, GAP, DOT }, new long[] { DASH, GAP, DASH, GAP, DASH, GAP, DOT, GAP, DOT }, new long[] { DASH, GAP, DASH, GAP, DASH, GAP, DASH, GAP, DOT }, }; private static final long[] ERROR_GAP = new long[] { GAP }; static long[] pattern(char c) { if (c >= 'A' && c <= 'Z') { return LETTERS[c - 'A']; } if (c >= 'a' && c <= 'z') { return LETTERS[c - 'a']; } if (c >= '0' && c <= '9') { return LETTERS[c - '0']; } return ERROR_GAP; } static long[] pattern(String str) { boolean lastWasWhiteSpace; int strLen = str.length(); int len = 1; lastWasWhiteSpace = true; for (int i = 0; i < strLen; i++) { char c = str.charAt(i); if (Character.isWhitespace(c)) { if (!lastWasWhiteSpace) { len++; lastWasWhiteSpace = true; } } else { if (!lastWasWhiteSpace) { len++; } lastWasWhiteSpace = false; len += pattern(c).length; } } long[] result = new long[len + 1]; result[0] = 0; int pos = 1; lastWasWhiteSpace = true; for (int i = 0; i < strLen; i++) { char c = str.charAt(i); if (Character.isWhitespace(c)) { if (!lastWasWhiteSpace) { result[pos]=WORD_GAP; pos++; lastWasWhiteSpace = true; } } else { if (!lastWasWhiteSpace) { result[pos]=LETTER_GAP; pos++; } lastWasWhiteSpace = false; long[] letter=pattern(c); System.arraycopy(letter, 0, result, pos, letter.length); pos+=letter.length; } } return result; }}
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需要添加权限
<uses-permission android:name="android.permission.VIBRATE"/>