SeekBar

 

sb_thumb.xml:

<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
    <item android:state_pressed="true" android:drawable="@mipmap/seekbar_thumb_pressed"/>
    <item android:state_pressed="false" android:drawable="@mipmap/seekbar_thumb_normal"/>
</selector>

sb_bar.xml:

<?xml version="1.0" encoding="utf-8"?>
<layer-list
    xmlns:android="http://schemas.android.com/apk/res/android">
    <item android:id="@android:id/background">
        <shape>
            <solid android:color="#FFFFD042" />
        </shape>
    </item>
    <item android:id="@android:id/secondaryProgress">
        <clip>
            <shape>
                <solid android:color="#FFFFFFFF" />
            </shape>
        </clip>
    </item>
    <item android:id="@android:id/progress">
        <clip>
            <shape>
                <solid android:color="#FF5D96E8" />
            </shape>
        </clip>
    </item>
</layer-list>

activity_main.xml:

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:paddingBottom="@dimen/activity_vertical_margin"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    android:orientation="vertical"
    tools:context="com.xiesir.example11seekbar.MainActivity">

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="一、基本用法\n
thumb：滑块的drawable\n
OnSeekBarChangeListener 事件：\n
onProgressChanged：进度改变时触发\n
onStartTrackingTouch：按住SeekBar时触发\n
onStopTrackingTouch：放开SeekBar时触发" />

    <SeekBar
        android:id="@+id/sbnormal"
        android:max="100"
        android:progress="28"
        android:secondaryProgress="58"
        android:layout_width="match_parent"
        android:layout_height="wrap_content" />

    <TextView
        android:id="@+id/tvnormal"
        android:text="当前进度值: "
        android:layout_width="wrap_content"
        android:layout_height="wrap_content" />

    <TextView
        android:text="简单自定义"
        android:layout_marginTop="20dp"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content" />

    <SeekBar
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:maxHeight="5.0dp"
        android:minHeight="5.0dp"
        android:progressDrawable="@drawable/sb_bar"
        android:thumb="@drawable/sb_thumb"/>
</LinearLayout>

MainActivity.java:

package com.xiesir.example11seekbar;

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.widget.SeekBar;
import android.widget.TextView;
import android.widget.Toast;

public class MainActivity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        SeekBar sbnormal  = (SeekBar) findViewById(R.id.sbnormal);
        final TextView tvnormal = (TextView) findViewById(R.id.tvnormal);
        tvnormal.setText("当前进度值: " + sbnormal.getProgress() + "  / 100 ");

        sbnormal.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
            @Override
            public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
                tvnormal.setText("当前进度值: " + progress + "  / 100 ");
            }

            @Override
            public void onStartTrackingTouch(SeekBar seekBar) {
                Toast.makeText(MainActivity.this, "触碰 SeekBar", Toast.LENGTH_SHORT).show();
            }

            @Override
            public void onStopTrackingTouch(SeekBar seekBar) {
                Toast.makeText(MainActivity.this, "放开SeekBar", Toast.LENGTH_SHORT).show();
            }
        });

    }
}

源程序下载

参考：

http://www.voidcn.com/blog/zhouboyu/article/p-5779521.html