Android之水平ProgressBar多彩背景颜色
16lz
2022-04-02
ProgressBar多彩的背景颜色
不废话，先爆照，如下图。activity_main.xml
<RelativeLayout 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=".MainActivity" > <Button android:id="@+id/myButton" android:layout_width="match_parent" android:layout_height="wrap_content" android:text="Reload" /> <ProgressBar style="?android:attr/progressBarStyleHorizontal" android:progressDrawable="@drawable/progressbar" android:id="@+id/myProgressBar" android:layout_below="@id/myButton" android:layout_width="match_parent" android:layout_height="9px" /> <WebView android:id="@+id/myWebView" android:layout_below="@id/myProgressBar" android:layout_width="match_parent" android:layout_height="match_parent" /></RelativeLayout>
progressbar.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> <corners android:radius="5dip" /> <gradient android:angle="0" android:centerColor="#ff5a5d5a" android:centerY="0.75" android:endColor="#ff747674" android:startColor="#ff9d9e9d" /> </shape> </item> <item android:id="@android:id/secondaryProgress"> <clip> <shape> <corners android:radius="5dip" /> <gradient android:angle="0" android:centerColor="#29b6f6" android:centerY="0.75" android:endColor="#FF5F00" android:startColor="#FF5F00" /> </shape> </clip> </item> <item android:id="@android:id/progress"> <clip> <shape> <corners android:radius="5dip" /> <gradient android:angle="0" android:endColor="#8000ff00" android:startColor="#FF4040" /> </shape> </clip> </item></layer-list>
MainActivity.java文件
package com.example.administrator.testprogressbar;import android.support.v7.app.AppCompatActivity;import android.os.Bundle;import android.view.Menu;import android.view.MenuItem;import android.view.View;import android.webkit.WebChromeClient;import android.webkit.WebView;import android.widget.ProgressBar;public class MainActivity extends AppCompatActivity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); final ProgressBar bar = (ProgressBar)findViewById(R.id.myProgressBar); final WebView webView = (WebView)findViewById(R.id.myWebView); webView.setWebChromeClient(new WebChromeClient() { @Override public void onProgressChanged(WebView view, int newProgress) { if (newProgress == 100) { bar.setVisibility(View.INVISIBLE); } else { if (View.INVISIBLE == bar.getVisibility()) { bar.setVisibility(View.VISIBLE); } bar.setProgress(newProgress); } super.onProgressChanged(view, newProgress); } }); findViewById(R.id.myButton).setOnClickListener(new View.OnClickListener() { @Override public void onClick(View arg0) { try { Thread.sleep(3000); webView.reload(); } catch (InterruptedException e) { e.printStackTrace(); } } }); final String url = "http://blog.csdn.net/u011068702"; webView.loadUrl(url); } @Override public boolean onCreateOptionsMenu(Menu menu) { getMenuInflater().inflate(R.menu.menu_main, menu); return true; }} 记得加上权限
<uses-permission android:name="android.permission.INTERNET"/>
好了，感兴趣自己测试下。
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