Android Simple combat tutorial--second words "two kinds of Progress bar"

<span id="Label3"></p><p><p>Click the button to simulate progress bar download progress, "download" complete progress bar Disappears.</p></p><p><p>The code is as Follows:</p></p><p><p><span style="font-size:24px">Xml:</span></p></p><p><p></p></p><pre code_snippet_id="1721751" snippet_file_name="blog_20160620_1_9951568" name="code" class="html"><pre code_snippet_id="1721751" snippet_file_name="blog_20160620_1_9951568" name="code" class="html"><?xml version= "1.0" encoding= "utf-8"? ><linearlayout xmlns:android= "http://schemas.android.com/apk/res/android" android:orientation= "vertical" android:layout_width= "fill_parent" android:layout_height= "fill_parent" ><Tex TView android:layout_width= "fill_parent" android:layout_height= "wrap_content" android:text= "@string/hello" /><progressbarandroid:id= "@+id/firstbar" style= "android:attr/progressbarstylehorizontal" android:layout_ Width= "200dp" android:layout_height= "wrap_content" android:visibility= "gone"/><progressbarandroid:id= "@+id /secondbar "style="? android:attr/progressbarstyle "android:layout_width=" wrap_content "android:layout_height=" Wrap_content "android:visibility=" gone "/><buttonandroid:id=" @+id/mybutton "android:layout_width=" wrap_ Content "android:layout_height=" wrap_content "android:text=" "begin"/></linearlayout> </pre></pre><span style="font-size:24px"><span style="font-size:24px">Activity:</span></span><p><p></p></p><p><p></p></p><pre code_snippet_id="1721751" snippet_file_name="blog_20160620_2_5033335" name="code" class="html">Package Ydl.progressbar;import Android.app.activity;import Android.os.bundle;import android.view.view;import Android.view.view.onclicklistener;import Android.widget.button;import Android.widget.progressbar;public Class Progressbartest extends activity {/** called when the activity is first created. *///declaration variable private ProgressBar Firstbar =null;private ProgressBar Secondbar = null;private Button MyButton = null;private int i = 0; @Override public void OnCreate (Bundle Savedinstancestate) {super.oncreate (savedinstancestate); Setcontentview (r.layout.main); Gets the object that represents the control according to the Control's id firstbar = (ProgressBar) findviewbyid (r.id.firstbar); Secondbar = (ProgressBar) Findviewbyid (r.id.secondbar); MyButton = (Button) Findviewbyid (r.id.mybutton); Mybutton.setonclicklistener (new Buttonlistener ()); } class Buttonlistener implements Onclicklistener{@Overridepublic void OnClick (View v) {if (i = = 0) {//set progress bar in visible state fi Rstbar.setvisibility (view.visibLE); Firstbar.setmax (150);//manually Set the maximum value, default is 100secondbar.setvisibility (view.visible);} else if (i < Firstbar.getmax ()) {//sets The current value of the main progress bar firstbar.setprogress (i);//sets The current value of the second progress bar firstbar.setsecondaryprogress ( i + 10);//because The default progress bar cannot display the status//secondbar.setprogress (i);} Else{//setting progress bar is not visible firstbar.setvisibility (view.gone); secondbar.setvisibility (view.gone);} i = i + 10;} } }</pre><br><br><p><p></p></p><p><p>Android Simple combat tutorial--second words "two kinds of Progress bar"</p></p></span>