requestWindowFeature可以设置的值有：1.DEFAULT_FEATURES：系统默认状态，一般不需要指定
2.FEATURE_CONTEXT_MENU：启用ContextMenu，默认该项已启用，一般无需指定3.FEATURE_CUSTOM_TITLE：自定义标题。当需要自定义标题时必须指定。如：标题是一个按钮时4.FEATURE_INDETERMINATE_PROGRESS：不确定的进度5.FEATURE_LEFT_ICON：标题栏左侧的图标6.FEATURE_NO_TITLE：无标题7.FEATURE_OPTIONS_PANEL：启用“选项面板”功能，默认已启用。8.FEATURE_PROGRESS：进度指示器功能9.FEATURE_RIGHT_ICON:标题栏右侧的图标示例代码：
public class WindowFeatureDemoActivity extends Activity {
@Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); // requestWindowFeature();的取值 // 1.DEFAULT_FEATURES：系统默认状态，一般不需要指定 // 2.FEATURE_CONTEXT_MENU：启用ContextMenu，默认该项已启用，一般无需指定 // 3.FEATURE_CUSTOM_TITLE：自定义标题。当需要自定义标题时必须指定。如：标题是一个按钮时 // 4.FEATURE_INDETERMINATE_PROGRESS：不确定的进度 // 5.FEATURE_LEFT_ICON：标题栏左侧的图标 // 6.FEATURE_NO_TITLE：无标题 // 7.FEATURE_OPTIONS_PANEL：启用“选项面板”功能，默认已启用。 // 8.FEATURE_PROGRESS：进度指示器功能 // 9.FEATURE_RIGHT_ICON:标题栏右侧的图标 // ========================FEATURE_INDETERMINATE_PROGRESS：不确定的进度 // showFEATURE_INDETERMINATE_PROGRESS(); // // =====================FEATURE_CUSTOM_TITLE // showFEATURE_CUSTOM_TITLE(); // // ======================== FEATURE_LEFT_ICON：标题栏左侧的图标 // showFEATURE_LEFT_ICON(); // // ======================FEATURE_NO_TITLE // showFEATURE_NO_TITLE(); // =================================FEATURE_PROGRESS showFEATURE_PROGRESS(); } private void showFEATURE_INDETERMINATE_PROGRESS() { requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS); setContentView(R.layout.main); getWindow().setFeatureInt(Window.FEATURE_INDETERMINATE_PROGRESS, R.layout.progress); // 必须得加上否则显示不出效果 可以通过这个在以后设置显示或隐藏 setProgressBarIndeterminateVisibility(true); } private void showFEATURE_CUSTOM_TITLE() { // 自定义标题。当需要自定义标题时必须指定。如：标题是一个按钮时 requestWindowFeature(Window.FEATURE_CUSTOM_TITLE); setContentView(R.layout.main); getWindow().setFeatureInt(Window.FEATURE_CUSTOM_TITLE, R.layout.customtitle); } private void showFEATURE_LEFT_ICON() { requestWindowFeature(Window.FEATURE_LEFT_ICON); setContentView(R.layout.main); getWindow().setFeatureDrawableResource(Window.FEATURE_LEFT_ICON, R.drawable.icon); } private void showFEATURE_NO_TITLE() { requestWindowFeature(Window.FEATURE_NO_TITLE); setContentView(R.layout.main); // 加上这句设置为全屏 不加则只隐藏title getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN); } private void showFEATURE_PROGRESS() { requestWindowFeature(Window.FEATURE_PROGRESS); setProgressBarVisibility(true); setContentView(R.layout.main); setTitle(""); getWindow().setFeatureInt(Window.FEATURE_PROGRESS, Window.PROGRESS_VISIBILITY_ON); // 通过线程来改变ProgressBar的值 new Thread(new Runnable() { public void run() { for (int i = 0; i < 10; i++) { try { Thread.sleep(1000); Message m = new Message(); m.what = (i + 1) * 20; WindowFeatureDemoActivity.this.myMessageHandler.sendMessage(m); } catch (Exception e) { e.printStackTrace(); } } } }).start(); } Handler myMessageHandler = new Handler() { // @Override public void handleMessage(Message msg) { // 设置标题栏中前景的一个进度条进度值 setProgress(100 * msg.what); // 设置标题栏中后面的一个进度条进度值 setSecondaryProgress(100 * msg.what + 10); super.handleMessage(msg); } }; }