Shulou(Shulou.com)05/31 Report--

This article mainly explains "how to achieve a drag bar in Android". The content in the article is simple and clear, and it is easy to learn and understand. Please follow the editor's train of thought to study and learn how to achieve a drag bar in Android.

Activity_main.xml

MainActivity.java

Package com.amy.seekbartest; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.view.View; import android.widget.SeekBar; import android.widget.TextView; import android.widget.Toast; public class MainActivity extends AppCompatActivity {private SeekBar seekBar;// drag bar @ Override protected void onCreate (Bundle savedInstanceState) {super.onCreate (savedInstanceState); setContentView (R.layout.activity_main); final TextView result = (TextView) findViewById (R.id.textView1) SeekBar = (SeekBar) findViewById (R.id.seekBar1); seekBar.setOnSeekBarChangeListener (new SeekBar.OnSeekBarChangeListener () {@ Override public void onProgressChanged (SeekBar seekBar, int progress, boolean fromUser) {result.setText ("current value:" + progress);} @ Override public void onStartTrackingTouch (SeekBar seekBar) {Toast.makeText (MainActivity.this, "start sliding", Toast.LENGTH_SHORT). Show () } @ Override public void onStopTrackingTouch (SeekBar seekBar) {Toast.makeText (MainActivity.this, "end sliding", Toast.LENGTH_SHORT) .show ();}}) }} Thank you for your reading, the above is the content of "how to achieve a drag bar in Android". After the study of this article, I believe you have a deeper understanding of how to achieve a drag bar in Android, and the specific use needs to be verified in practice. Here is, the editor will push for you more related knowledge points of the article, welcome to follow!

Welcome to subscribe "Shulou Technology Information " to get latest news, interesting things and hot topics in the IT industry, and controls the hottest and latest Internet news, technology news and IT industry trends.