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;

	@Override
	protected 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);

	}

	@Override
	public boolean onCreateOptionsMenu(Menu menu) {
		getMenuInflater().inflate(R.menu.main, menu);
		return true;
	}

	@Override
	public 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