控制SeekBar进度条来同时触发ProgressBar

 1 <?xml version="1.0" encoding="utf-8"?>
 2 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
 3     xmlns:tools="http://schemas.android.com/tools"
 4     android:layout_width="match_parent"
 5     android:layout_height="match_parent"
 6     android:paddingBottom="16dp"
 7     android:paddingLeft="16dp"
 8     android:paddingRight="16dp"
 9     android:paddingTop="16dp"
10     tools:context="com.example.wang.testapp2.TestActivity4"
11     android:orientation="vertical">
12 
13     <ProgressBar
14         android:layout_width="match_parent"
15         android:layout_height="wrap_content"
16         style="?android:attr/progressBarStyleHorizontal"
17         android:progress="40"
18         android:secondaryProgress="50"
19         android:max="80"
20         android:id="@+id/pb_1"/>
21 
22     <ProgressBar
23         android:layout_width="match_parent"
24         android:layout_height="wrap_content"
25         style="?android:attr/progressBarStyleLarge"
26         android:id="@+id/pb_2"/>
27 
28     <SeekBar
29         android:layout_width="match_parent"
30         android:layout_height="wrap_content"
31         android:progress="40"
32         android:max="80"
33         android:secondaryProgress="50"
34         android:id="@+id/se_1"/>
35 
36 </LinearLayout>

 1 package com.example.wang.testapp2;
 2 
 3 import android.app.Activity;
 4 import android.app.AlertDialog;
 5 import android.support.v7.app.AppCompatActivity;
 6 import android.os.Bundle;
 7 import android.util.Log;
 8 import android.view.View;
 9 import android.widget.ImageView;
10 import android.widget.ProgressBar;
11 import android.widget.SeekBar;
12 import android.widget.Toast;
13 
14 public class TestActivity4 extends Activity {
15 
16     ProgressBar pb_1;
17     ProgressBar pb_2;
18     SeekBar se_1;
19     
20     @Override
21     protected void onCreate(Bundle savedInstanceState) {
22         super.onCreate(savedInstanceState);
23         setContentView(R.layout.activity_test4);
24 
25         se_1=(SeekBar)findViewById(R.id.se_1);
26         pb_1=(ProgressBar)findViewById(R.id.pb_1);
27         pb_2=(ProgressBar)findViewById(R.id.pb_2);
28 
29         se_1.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
30 
31             //进度变化触发
32             @Override
33             public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
34 
35                 //设置进度条1的进度值
36                 pb_1.setProgress(progress);
37 
38 
39                 //判断是否达到最大值
40                 if (progress == se_1.getMax())
41                 {
42                     pb_2.setVisibility(View.INVISIBLE);//不显示但位置还保留
43                 }
44                 else
45                 {
46                     pb_2.setVisibility(View.VISIBLE);
47                 }
48 
49                 //只要progress变化就被触发
50 
51 //                Toast.makeText(TestActivity4.this, "当前进度="+progress, Toast.LENGTH_SHORT).show();
52             }
53 
54             @Override
55             public void onStartTrackingTouch(SeekBar seekBar) {
56 
57                 Log.e("TAG", "进度条开始拖动");
58             }
59 
60             @Override
61             public void onStopTrackingTouch(SeekBar seekBar) {
62 
63                 Log.e("TAG", "进度条停止拖动");
64 
65             }
66         });
67 
68     }
69 }