进度条 Android seekbar滑动按钮源码(程序源码).rar

package com.example.android.seekbar; import android.app.Activity; import android.os.Bundle; import android.widget.SeekBar; import android.widget.TextView; public class seekbar extends Activity implements SeekBar.OnSeekBarChangeListener { SeekBar mSeekBar; TextView mProgressText; TextView mTrackingText; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); mSeekBar = (SeekBar)findViewById(R.id.seekbar1); mSeekBar.setOnSeekBarChangeListener(this); mProgressText = (TextView)findViewById(R.id.progress); mTrackingText = (TextView)findViewById(R.id.tracking); } public void onProgressChanged(SeekBar seekBar, int progress, boolean fromTouch) { mProgressText.setText(progress + " " + getString(R.string.seekbar_text)); } public void onStartTrackingTouch(SeekBar seekBar) { mTrackingText.setText(getString(R.string.seekbar_tracking_on)); } public void onStopTrackingTouch(SeekBar seekBar) { mTrackingText.setText(getString(R.string.seekbar_tracking_off)); } }