学步园

mian.xml

<?xml version="1.0" encoding="utf-8"?><br /> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"<br /> android:layout_width="fill_parent"<br /> android:layout_height="fill_parent"<br /> android:orientation="vertical" ><br /> <TextView<br /> android:id="@+id/information"<br /> android:layout_width="fill_parent"<br /> android:layout_height="wrap_content"<br /> android:text="progressdialog"/><br /> <Button<br /> android:id="@+id/button1"<br /> android:layout_width="wrap_content"<br /> android:layout_height="wrap_content"<br /> android:text="圆形"/><br /> <Button<br /> android:id="@+id/button2"<br /> android:layout_width="wrap_content"<br /> android:layout_height="wrap_content"<br /> android:text="水平条"/></p> <p></LinearLayout>

 

java:

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