<?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" tools:context="com.hanqi.testapp2.TestActivity4" android:orientation="vertical"> <ProgressBar android:layout_width="match_parent" android:layout_height="wrap_content" style="?android:attr/progressBarStyleHorizontal" android:progress="0" android:secondaryProgress="0" android:max="80" android:id="@+id/pb_1"/> <ProgressBar android:layout_width="match_parent" android:layout_height="wrap_content" style="?android:attr/progressBarStyleLarge" android:id="@+id/pb_2"/> <SeekBar android:layout_width="match_parent" android:layout_height="wrap_content" android:progress="0" android:max="80" android:secondaryProgress="0" android:id="@+id/se_1"/> <RatingBar android:layout_width="wrap_content" android:layout_height="wrap_content" android:numStars="5" android:rating="3.5" android:isIndicator="true"/> <ImageView android:layout_width="wrap_content" android:layout_height="wrap_content" android:src="@drawable/xiao3" android:alpha="1" android:id="@+id/iv_1"/> <SeekBar android:layout_width="match_parent" android:layout_height="wrap_content" android:progress="0" android:secondaryProgress="0" android:max="200" android:id="@+id/se_2"/> </LinearLayout>
package com.hanqi.testapp2; import android.os.Bundle; import android.support.v7.app.AppCompatActivity; import android.util.Log; import android.view.View; import android.widget.ImageView; import android.widget.ProgressBar; import android.widget.SeekBar; public class TestActivity4 extends AppCompatActivity { SeekBar se_1; ProgressBar pb_1; ProgressBar pb_2; SeekBar se_2; ImageView iv_1; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_test4); se_1=(SeekBar)findViewById(R.id.se_1); pb_1=(ProgressBar)findViewById(R.id.pb_1); pb_2=(ProgressBar)findViewById(R.id.pb_2); se_2=(SeekBar)findViewById(R.id.se_2); iv_1=(ImageView)findViewById(R.id.iv_1); iv_1.setAlpha(0); // AlertDialog ad=new AlertDialog.Builder(this).create(); se_1.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() { //进度变化触发 @Override public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) { //设置进度条1的进度值 pb_1.setProgress(progress); //判断是否达到最大值 if(progress==se_1.getMax()) { pb_2.setVisibility(View.INVISIBLE);//不显示但是位置还保留 } else { pb_2.setVisibility(View.VISIBLE); } //只要progress变化就被触发 //Toast.makeText(TestActivity4.this, "当前进度="+progress, Toast.LENGTH_SHORT).show(); } @Override public void onStartTrackingTouch(SeekBar seekBar) { Log.e("TAG","进度条开始拖动"); } @Override public void onStopTrackingTouch(SeekBar seekBar) { Log.e("TAG","进度条停止拖动"); } }); se_2.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() { @Override public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) { iv_1.setAlpha(progress); } @Override public void onStartTrackingTouch(SeekBar seekBar) { Log.e("TAG","进度条开始拖动"); } @Override public void onStopTrackingTouch(SeekBar seekBar) { Log.e("TAG","进度条停止拖动"); } }); } }