1. ProgressActivityDemo.javajava
public class ProgressActivityDemo extends AppCompatActivity { private Button progressButton = null; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_progress_activity_demo); this.progressButton = (Button)findViewById(R.id.internet_button); this.progressButton.setOnClickListener(new OnClickListenerImpl()); } private class OnClickListenerImpl implements View.OnClickListener { @Override public void onClick(View v) { final ProgressDialog progressDialog = ProgressDialog.show(ProgressActivityDemo.this, "search internet", //對話框顯示標題 "please waitting..."); //對話框顯示文字 new Thread() { //線程對象 @Override public void run() { try { Thread.sleep(3000); // 運行3秒關閉對話框 } catch (InterruptedException e) { } finally { progressDialog.dismiss(); } } }.start(); progressDialog.show(); //顯示對話框 } } }
2.activity_progress_activity_demo.xmlandroid
<Button android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="find internet connection" android:id="@+id/internet_button" android:layout_alignParentTop="true" android:layout_centerHorizontal="true" android:layout_marginTop="76dp" />
3. 上面採用的是構造方法來實現,也能夠是採用以下的方法實現。ide
public class ProgressActivityDemo extends AppCompatActivity { private Button progressButton = null; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_progress_activity_demo); this.progressButton = (Button)findViewById(R.id.internet_button); this.progressButton.setOnClickListener(new OnClickListenerImpl()); } private class OnClickListenerImpl implements View.OnClickListener { @Override public void onClick(View v) { final ProgressDialog progressDialog = new ProgressDialog(ProgressActivityDemo.this); progressDialog.setTitle("search internet");//對話框顯示標題 progressDialog.setMessage( "please waitting..."); //對話框顯示文字 progressDialog.onStart(); new Thread() { //線程對象 @Override public void run() { try { Thread.sleep(3000); // 運行3秒關閉對話框 } catch (InterruptedException e) { } finally { progressDialog.dismiss(); } } }.start(); progressDialog.show(); //顯示對話框 } } }