Android SeekBar
16lz
2021-01-23
<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent" android:orientation="vertical" > <TextView android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="@string/hello" /> <SeekBar android:id="@+id/seekBar1" android:layout_width="match_parent" android:layout_height="wrap_content" /> <TextView android:id="@+id/textView1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="TextView" /></LinearLayout>
package com.pandy.seekbar;import android.app.Activity;import android.os.Bundle;import android.view.View;import android.widget.SeekBar;import android.widget.TextView;public class SeekBarDemoActivity extends Activity { /** Called when the activity is first created. */private SeekBar seekBar1;private TextView textView1; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); seekBar1 = (SeekBar)findViewById(R.id.seekBar1); textView1 = (TextView)findViewById(R.id.textView1); seekBar1.setVisibility(View.VISIBLE); seekBar1.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {@Overridepublic void onStopTrackingTouch(SeekBar seekBar) {// TODO Auto-generated method stubtextView1.setText("onStopTrackingTouch....");}@Overridepublic void onStartTrackingTouch(SeekBar seekBar) {// TODO Auto-generated method stubtextView1.setText("onStartTrackingTouch....");}@Overridepublic void onProgressChanged(SeekBar seekBar, int progress,boolean fromUser) {// TODO Auto-generated method stubtextView1.setText("onProgressChanged:"+progress);}}); }}
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