APIDEMO OS Vibrator 手机震动使用

/*
 * 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.
     */
    @Override
	protected 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