/* * Copyright (C) 2007 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */package com.example.android.apis.os;// Need the following import to get access to the app resources, since this// class is in a sub-package.import android.app.Activity;import android.content.Context;import android.os.Bundle;import android.os.Vibrator;import android.view.View;import android.widget.TextView;import com.example.android.apis.R;/** * <h3>App that vibrates the vibrator with the Morse Code for a string.</h3><p>This demonstrates the {@link android.os.Vibrator android.os.Vibrator} class.<h4>Demo</h4>OS / Morse Code Vibrator <h4>Source files</h4> * <table class="LinkTable"> * <tr> * <td >src/com.example.android.apis/os/MorseCode.java</td> * <td >The Morse Code Vibrator</td> * </tr> * <tr> * <td >res/any/layout/morse_code.xml</td> * <td >Defines contents of the screen</td> * </tr> * </table> */public class MorseCode extends Activity{ /** Tag string for our debug logs */ private static final String TAG = "MorseCode"; /** Our text view */ private TextView mTextView; ; /** * Initialization of the Activity after it is first created. Must at least * call {@link android.app.Activity#setContentView setContentView()} to * describe what is to be displayed in the screen. */ @Overrideprotected void onCreate(Bundle savedInstanceState) { // Be sure to call the super class. super.onCreate(savedInstanceState); // See assets/res/any/layout/hello_world.xml for this // view layout definition, which is being set here as // the content of our screen. setContentView(R.layout.morse_code); // Set the OnClickListener for the button so we see when it's pressed. findViewById(R.id.button).setOnClickListener(mClickListener); // Save the text view so we don't have to look it up each time mTextView = (TextView)findViewById(R.id.text); } /** Called when the button is pushed */ View.OnClickListener mClickListener = new View.OnClickListener() { public void onClick(View v) { // Get the text out of the view String text = mTextView.getText().toString(); // convert it using the function defined above. See the docs for // android.os.Vibrator for more info about the format of this array long[] pattern = MorseCodeConverter.pattern(text); // Start the vibration Vibrator vibrator = (Vibrator)getSystemService(Context.VIBRATOR_SERVICE); vibrator.vibrate(pattern, -1); } };}
QQ 字符转震动频率
/* * Copyright (C) 2008 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */package com.example.android.apis.os;/** Class that implements the text to morse code coversion */class MorseCodeConverter { 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; /** The characters from 'A' to 'Z' */ private static final long[][] LETTERS = new long[][] { /* A */ new long[] { DOT, GAP, DASH }, /* B */ new long[] { DASH, GAP, DOT, GAP, DOT, GAP, DOT }, /* C */ new long[] { DASH, GAP, DOT, GAP, DASH, GAP, DOT }, /* D */ new long[] { DASH, GAP, DOT, GAP, DOT }, /* E */ new long[] { DOT }, /* F */ new long[] { DOT, GAP, DOT, GAP, DASH, GAP, DOT }, /* G */ new long[] { DASH, GAP, DASH, GAP, DOT }, /* H */ new long[] { DOT, GAP, DOT, GAP, DOT, GAP, DOT }, /* I */ new long[] { DOT, GAP, DOT }, /* J */ new long[] { DOT, GAP, DASH, GAP, DASH, GAP, DASH }, /* K */ new long[] { DASH, GAP, DOT, GAP, DASH }, /* L */ new long[] { DOT, GAP, DASH, GAP, DOT, GAP, DOT }, /* M */ new long[] { DASH, GAP, DASH }, /* N */ new long[] { DASH, GAP, DOT }, /* O */ new long[] { DASH, GAP, DASH, GAP, DASH }, /* P */ new long[] { DOT, GAP, DASH, GAP, DASH, GAP, DOT }, /* Q */ new long[] { DASH, GAP, DASH, GAP, DOT, GAP, DASH }, /* R */ new long[] { DOT, GAP, DASH, GAP, DOT }, /* S */ new long[] { DOT, GAP, DOT, GAP, DOT }, /* T */ new long[] { DASH }, /* U */ new long[] { DOT, GAP, DOT, GAP, DASH }, /* V */ new long[] { DOT, GAP, DOT, GAP, DASH }, /* W */ new long[] { DOT, GAP, DASH, GAP, DASH }, /* X */ new long[] { DASH, GAP, DOT, GAP, DOT, GAP, DASH }, /* Y */ new long[] { DASH, GAP, DOT, GAP, DASH, GAP, DASH }, /* Z */ new long[] { DASH, GAP, DASH, GAP, DOT, GAP, DOT }, }; /** The characters from '0' to '9' */ private static final long[][] NUMBERS = new long[][] { /* 0 */ new long[] { DASH, GAP, DASH, GAP, DASH, GAP, DASH, GAP, DASH }, /* 1 */ new long[] { DOT, GAP, DASH, GAP, DASH, GAP, DASH, GAP, DASH }, /* 2 */ new long[] { DOT, GAP, DOT, GAP, DASH, GAP, DASH, GAP, DASH }, /* 3 */ new long[] { DOT, GAP, DOT, GAP, DOT, GAP, DASH, GAP, DASH }, /* 4 */ new long[] { DOT, GAP, DOT, GAP, DOT, GAP, DOT, GAP, DASH }, /* 5 */ new long[] { DOT, GAP, DOT, GAP, DOT, GAP, DOT, GAP, DOT }, /* 6 */ new long[] { DASH, GAP, DOT, GAP, DOT, GAP, DOT, GAP, DOT }, /* 7 */ new long[] { DASH, GAP, DASH, GAP, DOT, GAP, DOT, GAP, DOT }, /* 8 */ new long[] { DASH, GAP, DASH, GAP, DASH, GAP, DOT, GAP, DOT }, /* 9 */ new long[] { DASH, GAP, DASH, GAP, DASH, GAP, DASH, GAP, DOT }, }; private static final long[] ERROR_GAP = new long[] { GAP }; /** Return the pattern data for a given character */ static long[] pattern(char c) { if (c >= 'A' && c <= 'Z') { return LETTERS[c - 'A']; } if (c >= 'a' && c <= 'z') { return LETTERS[c - 'a']; } else if (c >= '0' && c <= '9') { return NUMBERS[c - '0']; } else { return ERROR_GAP; } } static long[] pattern(String str) { boolean lastWasWhitespace; int strlen = str.length(); // Calculate how long our array needs to be. int len = 1; lastWasWhitespace = true; for (int i=0; i<strlen; i++) { char c = str.charAt(i); if (Character.isWhitespace(c)) { if (!lastWasWhitespace) { //如果是开头的空格则不作处理,否则作为一位处理 len++; lastWasWhitespace = true; } } else { if (!lastWasWhitespace) { len++; } lastWasWhitespace = false; len += pattern(c).length; } } // Generate the pattern array. Note that we put an extra element of 0 // in at the beginning, because the pattern always starts with the pause, // not with the vibration. 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) { //如果是开头的空格则不作处理,否则作为一个char处理 result[pos] = WORD_GAP; pos++; lastWasWhitespace = true; } } else { if (!lastWasWhitespace) { //char 与char 之间添加300秒震动分割 result[pos] = LETTER_GAP; pos++; } lastWasWhitespace = false; long[] letter = pattern(c); System.arraycopy(letter, 0, result, pos, letter.length); pos += letter.length; } } return result; }}
字符震动
