1 /* 2 * Copyright (C) 2007 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.example.android.apis.view; 18 19 import android.app.Activity; 20 import android.os.Bundle; 21 import android.widget.SeekBar; 22 import android.widget.TextView; 23 24 import com.example.android.apis.R; 25 26 27 /** 28 * Demonstrates how to use a seek bar 29 */ 30 public class SeekBar1 extends Activity implements SeekBar.OnSeekBarChangeListener { 31 32 SeekBar mSeekBar; 33 TextView mProgressText; 34 TextView mTrackingText; 35 36 @Override 37 protected void onCreate(Bundle savedInstanceState) { 38 super.onCreate(savedInstanceState); 39 40 setContentView(R.layout.seekbar_1); 41 42 mSeekBar = (SeekBar)findViewById(R.id.seek); 43 mSeekBar.setOnSeekBarChangeListener(this); 44 mProgressText = (TextView)findViewById(R.id.progress); 45 mTrackingText = (TextView)findViewById(R.id.tracking); 46 } 47 48 public void onProgressChanged(SeekBar seekBar, int progress, boolean fromTouch) { 49 mProgressText.setText(progress + " " + 50 getString(R.string.seekbar_from_touch) + "=" + fromTouch); 51 } 52 53 public void onStartTrackingTouch(SeekBar seekBar) { 54 mTrackingText.setText(getString(R.string.seekbar_tracking_on)); 55 } 56 57 public void onStopTrackingTouch(SeekBar seekBar) { 58 mTrackingText.setText(getString(R.string.seekbar_tracking_off)); 59 } 60 } 61
