Android的ProgressBar以及自定义进度条

1.xml文件activity_main.xml

<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:orientation="vertical" >    <ProgressBar        android:id="@+id/progressBar01"        android:layout_width="wrap_content"        android:layout_height="wrap_content" />    <ProgressBar        android:id="@+id/progressBar02"        style="?android:attr/progressBarStyleLarge"        android:layout_width="wrap_content"        android:layout_height="wrap_content" />    <ProgressBar        android:id="@+id/progressBar03"        style="?android:attr/progressBarStyleSmall"        android:layout_width="wrap_content"        android:layout_height="wrap_content" />    <ProgressBar        android:id="@+id/progressBar04"        style="?android:attr/progressBarStyleHorizontal"        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:max="100"        android:progress="20"        android:secondaryProgress="60" />    <Button        android:id="@+id/increment"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:text="@string/increment" />    <Button        android:id="@+id/decrement"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:text="@string/decrement" />    <Button        android:id="@+id/showDialog"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:onClick="showDialog"        android:text="@string/showDialog" />    <ProgressBar        android:id="@+id/progressBar05"        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:indeterminateDrawable="@drawable/pb_custom" /></LinearLayout>

　　2.string.xml

<?xml version="1.0" encoding="utf-8"?><resources>    <string name="app_name">Android_019</string>    <string name="action_settings">Settings</string>    <string name="hello_world">Hello world!</string>        <string name="increment">增加</string>    <string name="decrement">减少</string>    <string name="showDialog">显示进度条对话框</string></resources>

　　3.MainActivity.java

package com.example.android_019;import android.os.Bundle;import android.app.Activity;import android.app.ProgressDialog;import android.view.Menu;import android.view.View;import android.view.View.OnClickListener;import android.view.Window;import android.widget.Button;import android.widget.ProgressBar;/** * 进度条的实现方法 * @author hbj403 */public class MainActivity extends Activity implements OnClickListener{private Button btnIncrement,btnDecrement;private ProgressBar pb01;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);//设置标题栏进度条 注意 一定要在setContentView方法之前定义requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);setContentView(R.layout.activity_main);//设置标题栏为启动接可见setProgressBarIndeterminateVisibility(true);btnIncrement=(Button) findViewById(R.id.increment);btnIncrement.setOnClickListener(this);btnDecrement=(Button) findViewById(R.id.decrement);btnDecrement.setOnClickListener(this);pb01=(ProgressBar) findViewById(R.id.progressBar04);}@Overridepublic boolean onCreateOptionsMenu(Menu menu) {getMenuInflater().inflate(R.menu.main, menu);return true;}@Overridepublic void onClick(View v) {switch (v.getId()) {case R.id.increment:pb01.incrementProgressBy(10);pb01.setSecondaryProgress(40);break;case R.id.decrement:pb01.incrementProgressBy(-10);pb01.setSecondaryProgress(-40);break;default:break;}}//显示对话框进度条public void showDialog(View view){//ProgressDialog.show(this, "标题", "文件正在下载中...", true, true); 直接设置对话框的属性ProgressDialog pd=new ProgressDialog(this);pd.setIcon(R.drawable.ic_launcher);pd.setTitle("下载对话框");pd.setMessage("文件正在下载中...");pd.setMax(100);//设置对对话框的样式pd.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);pd.show();}}

　　4.图片Z1

5.显示效果

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