package com.example.wang.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;
ImageView iv_1;
SeekBar se_2;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_test4);
iv_1=
(ImageView)findViewById(R.id.iv_1);
iv_1.setAlpha(0f);
se_2=
(SeekBar)findViewById(R.id.se_2);
se_2.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
@Override
public void onProgressChanged(SeekBar seekBar,
int progress,
boolean fromUser) {
iv_1.setAlpha(progress/255.0f
);
}
@Override
public void onStartTrackingTouch(SeekBar seekBar) {
}
@Override
public void onStopTrackingTouch(SeekBar seekBar) {
}
});
pb_1=
(ProgressBar)findViewById(R.id.pb_1);
pb_2=
(ProgressBar)findViewById(R.id.pb_2);
se_1=
(SeekBar)findViewById(R.id.se_1);
se_1.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
@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","进度条结束拖动"
);
}
});
}
}
View Code
<?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.example.wang.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:secondaryProgress="0"
android:max="80"
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:layout_marginTop="30dp"
android:layout_marginBottom="30dp"
android:src="@drawable/asd"
android:layout_gravity="center"
android:id="@+id/iv_1"/>
<SeekBar
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:id="@+id/se_2"
android:max="255"/>
</LinearLayout>
View Code
转载于:https://www.cnblogs.com/wangchuanqi/p/5491246.html
相关资源：VBA实现进度条的显示
