Android如何使用SeekBar
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activity_mian.xml 部分
seek.xml
package com.example.administrator.seekbar;
import android.support.v7.app.ActionBarActivity;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.SeekBar;
import android.widget.TextView;
public class MainActivity extends ActionBarActivity {
private SeekBar seekBar;
private TextView text1;
private TextView text2;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
seekBar = (SeekBar)findViewById(R.id.seekBar);
text1 = (TextView)findViewById(R.id.text1);
text2 = (TextView)findViewById(R.id.text2);
seekBar.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
@Override
public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
text1.setText("正在拖动");
text2.setText("当前数值:"+progress);
}
@Override
public void onStartTrackingTouch(SeekBar seekBar) {
text1.setText("开始拖动");
}
@Override
public void onStopTrackingTouch(SeekBar seekBar) {
text1.setText("停止拖动");
}
});
}
} 




