ProgressBar、ProgessDialog-用法(详解)

style="@android:style/Widget.Holo.Light.ProgressBar"
style="@android:style/Widget.DeviceDefault.Light.ProgressBar.Large"
...

style="@android:style/Widget.ProgressBar.Horizontal"
style="@android:style/Widget.DeviceDefault.Light.ProgressBar.Horizontal"
...

requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
setProgressBarIndeterminateVisibility(true);

requestWindowFeature(Window.FEATURE_PROGRESS);
setProgressBarVisibility(true);

<!--最大显示进度-->
android:max
<!--第一显示进度-->
android:progress
<!--第二显示进度-->
android:secondaryProgress
<!--置是否精确显示；true为不精确，false为精确-->
android:indeterminate
<!--加载自定义样式-->
android:progressDrawable

<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">

  <!--背景样式-->
  <item android:id="@android:id/background">
    <shape>
      <!--圆角-->
      <corners android:radius="10dip" />
      <!--填充色-->
      <solid android:color="#dddddd" />
    </shape>
  </item>

  <!--第二进度样式-->
  <item android:id="@android:id/secondaryProgress">
    <clip>
      <shape>
        <corners android:radius="10dip" />
        <solid android:color="#78bb78" />
      </shape>
    </clip>
  </item>

  <!--第一进度样式-->
  <item android:id="@android:id/progress">
    <clip>
      <shape>
        <corners android:radius="10dip" />
        <solid android:color="#55bb55" />
      </shape>
    </clip>
  </item>

</layer-list>

//设置第一进度
setProgress(int)
//设置第二进度
setSecondaryProgress(int)
//获取第一进度
getProgress()
//获取第二进度
getSecondaryProgress()
//增加或减少第一进度
incrementProgressBy(int)
//增加或减少第二进度
incrementSecondaryProgressBy(int)
//获取进度最大值
getMax()

public class ProgessBarActivity extends Activity implements View.OnClickListener{

  private ProgressBar progressBar;
  private TextView text;
  private Button addFirst;
  private Button addSecond;
  private Button subFirst;
  private Button subSecond;
  private Button reset;
  private int first;
  private int second;
  private int max;

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_progess_bar);

    init();

  }

  private void init() {
    progressBar = (ProgressBar) findViewById(R.id.progress_bar);
    text = (TextView) findViewById(R.id.text);
    addFirst = (Button) findViewById(R.id.add_first);
    subFirst = (Button) findViewById(R.id.sub_first);
    addSecond = (Button) findViewById(R.id.add_second);
    subSecond = (Button) findViewById(R.id.sub_second);
    reset = (Button) findViewById(R.id.reset);

    //获取第一、第二、最大进度
    first = progressBar.getProgress();
    second = progressBar.getSecondaryProgress();
    max = progressBar.getMax();

    addFirst.setOnClickListener(this);
    addSecond.setOnClickListener(this);
    subFirst.setOnClickListener(this);
    subSecond.setOnClickListener(this);
    reset.setOnClickListener(this);
  }

  @Override
  public void onClick(View v) {
    switch (v.getId()) {
      case R.id.add_first:
        //第一进度加10
        progressBar.incrementProgressBy(10);
        break;
      case R.id.add_second:
        //第二进度加10
        progressBar.incrementSecondaryProgressBy(10);
        break;
      case R.id.sub_first:
        progressBar.incrementProgressBy(-10);
        break;
      case R.id.sub_second:
        progressBar.incrementSecondaryProgressBy(-10);
        break;
      case R.id.reset:
        //重置为初始数值
        progressBar.setProgress(30);
        progressBar.setSecondaryProgress(60);
        break;
    }
    //更新文本内容
    text.setText("第一进度为" + (int) (1.0*first/max*100) + "%，第二进度为" + (int) (1.0*second/max*100) + "%");
  }
}

ProgressDialog(Context context)
ProgressDialog(Context context, int theme)//theme为对话框样式

//设置进度条样式
setProgressStyle(int style)
//设置对话框标题
setTitle(String title)
//设置对话框本文信息
setMessage(CharSequence message)
//设置对话框图标
setIcon(Drawable d)
//设置按钮，whichButton为按钮类型，text为按钮名称，listener为监听器
setButton(int whichButton, CharSequence text, OnClickListener listener)
//显示对话框
show()

public class ProgressDialogActivity extends Activity {

  private ProgressDialog proDialog;

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_progress_dialog);

    findViewById(R.id.show).setOnClickListener(new View.OnClickListener() {
      @Override
      public void onClick(View v) {
        //新建对话框
        proDialog = new ProgressDialog(ProgressDialogActivity.this);
        //设置进度条样式
        proDialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);
        //设置对话框标题
        proDialog.setTitle("初识ProgressDialog");
        //设置提示对话框文本
        proDialog.setMessage("好好学习，天天向上！");
        //设置对话框显示图标
        proDialog.setIcon(R.drawable.ic_launcher);
        //设置进度条最大进度，默认为10000
        proDialog.setMax(100);
        //设置初始第一进度
        proDialog.incrementProgressBy(30);
        //设定取消按钮
        proDialog.setButton(DialogInterface.BUTTON_POSITIVE, "取消", new DialogInterface.OnClickListener() {
          @Override
          public void onClick(DialogInterface dialog, int which) {
            dialog.cancel();
          }
        });
        //显示对话框
        proDialog.show();
      }
    });
  }
}