android 入门demo 进度条
16lz
2021-01-23
package com.isoftstone.cry;import android.app.Activity;import android.os.Bundle;import android.view.View;import android.widget.Button;import android.widget.ProgressBar;public class ProgressBarDialog extends Activity {private Button btn1 ,btn2 ;private ProgressBar progressBar ;@Overrideprotected void onCreate(Bundle savedInstanceState) {// TODO Auto-generated method stubsuper.onCreate(savedInstanceState);setContentView(R.layout.progressbar);btn1 = (Button)findViewById(R.id.progressBarbutton1);btn2 = (Button)findViewById(R.id.progressBarbutton2);progressBar = (ProgressBar)findViewById(R.id.progressBar1);btn1.setOnClickListener(new View.OnClickListener() {@Overridepublic void onClick(View v) {// TODO Auto-generated method stubprogressBar.incrementProgressBy(10);}});btn2.setOnClickListener(new View.OnClickListener() {@Overridepublic void onClick(View v) {// TODO Auto-generated method stubprogressBar.incrementProgressBy(-10);}});}}<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical" > <Button android:id="@+id/progressBarbutton1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Button1" /> <Button android:id="@+id/progressBarbutton2" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Button2" /> <ProgressBar android:id="@+id/progressBar1" style="?android:attr/progressBarStyleHorizontal" android:layout_width="match_parent" android:layout_height="wrap_content" /></LinearLayout>
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