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/*
* 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
{
/** 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);
}
};
}
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