Android学习笔记之ProgressDialog

openkk 13年前

mian.xml

<?xml version="1.0" encoding="utf-8"?>  <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"      android:layout_width="fill_parent"      android:layout_height="fill_parent"      android:orientation="vertical" >      <TextView          android:id="@+id/information"          android:layout_width="fill_parent"          android:layout_height="wrap_content"          android:text="progressdialog"/>      <Button           android:id="@+id/button1"          android:layout_width="wrap_content"          android:layout_height="wrap_content"          android:text="圆形"/>      <Button           android:id="@+id/button2"          android:layout_width="wrap_content"          android:layout_height="wrap_content"          android:text="水平条"/>    </LinearLayout>
java:
package Android2.test;    import android.app.Activity;  import android.app.ProgressDialog;  import android.content.DialogInterface;  import android.os.Bundle;  import android.view.View;  import android.widget.Button;    public class Android2Activity extends Activity {   private Button Button1,Button2;            int m_count = 0;      //声明进度条对话框      ProgressDialog progressdialog;           @Override      public void onCreate(Bundle savedInstanceState)      {          super.onCreate(savedInstanceState);          setContentView(R.layout.main);                   //得到按钮对象          Button1 = (Button)findViewById(R.id.button1);          Button2 = (Button)findViewById(R.id.button2);                   //设置Button1的事件监听          Button1.setOnClickListener(new Button.OnClickListener() {              public void onClick(View v)              {                  // TODO Auto-generated method stub                                   //创建ProgressDialog对象               progressdialog = new ProgressDialog(Android2Activity.this);                    // 设置进度条风格,风格为圆形,旋转的               progressdialog.setProgressStyle(ProgressDialog.STYLE_SPINNER);                    // 设置ProgressDialog 标题               progressdialog.setTitle("提示");                                   // 设置ProgressDialog 提示信息               progressdialog.setMessage("正在缓冲中,请稍等.....");                    // 设置ProgressDialog 标题图标  //                m_pDialog.setIcon(R.drawable.img1);                    // 设置ProgressDialog 的进度条是否不明确               progressdialog.setIndeterminate(false);                                   // 设置ProgressDialog 是否可以按退回按键取消               progressdialog.setCancelable(true);                                   // 设置ProgressDialog 的一个Button               progressdialog.setButton("确定", new DialogInterface.OnClickListener() {                      public void onClick(DialogInterface dialog, int i)                      {                          //点击“确定按钮”取消对话框                          dialog.cancel();                      }                  });                    // 让ProgressDialog显示               progressdialog.show();              }          });                 //设置Button2的事件监听          Button2.setOnClickListener(new Button.OnClickListener() {              public void onClick(View v)              {                  // TODO Auto-generated method stub                                   m_count = 0;                                   // 创建ProgressDialog对象                  progressdialog = new ProgressDialog(Android2Activity.this);                                   // 设置进度条风格,风格为长形                  progressdialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);                                   // 设置ProgressDialog 标题                  progressdialog.setTitle("提示");                                   // 设置ProgressDialog 提示信息                  progressdialog.setMessage("正在缓冲中,请稍等.....");                                   // 设置ProgressDialog 标题图标  //                m_pDialog.setIcon(R.drawable.img2);                                   // 设置ProgressDialog 进度条进度                  progressdialog.setProgress(100);                                   // 设置ProgressDialog 的进度条是否不明确                  progressdialog.setIndeterminate(false);                                   // 设置ProgressDialog 是否可以按退回按键取消                  progressdialog.setCancelable(true);                                   // 让ProgressDialog显示                  progressdialog.show();                                   new Thread()                  {                      public void run()                      {                          try                          {                              while (m_count <= 100)                              {                                  // 由线程来控制进度。                               progressdialog.setProgress(m_count++);                                  Thread.sleep(100);                              }                              progressdialog.cancel();                          }                          catch (InterruptedException e)                          {                           progressdialog.cancel();                          }                      }                  }.start();                               }          });      }  }
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