Explanation of requestwindowfeature for Android

Requestwindowfeature can be set with the following values:
1. default_features: default system status, which is not required

2. feature_context_menu: Enable contextmenu. This option is enabled by default. Generally, you do not need to specify

3. feature_custom_title: Custom title. You must specify a custom title. For example, when the title is a button

4. feature_indeterminate_progress: uncertain progress

5. feature_left_icon: icon on the left of the title bar

6. feature_no_title: No title

7. feature_options_panel: enables the option panel function. It is enabled by default.

8. feature_progress: Progress indicator Function

9. feature_right_icon: icon on the right of the title bar

 

CodeAs follows:

Package Jason. my; import android. app. activity; import android. OS. bundle; import android. OS. handler; import android. OS. message; import android. view. window; import android. view. windowmanager; public class windowfeaturedemoactivity extends activity {@ override public void oncreate (bundle savedinstancestate) {super. oncreate (savedinstancestate); // value of requestwindowfeature (); // 1. default_features: default system status, generally not required Specify // 2. feature_context_menu: Enable contextmenu. This option is enabled by default. You do not need to specify // 3. feature_custom_title: Custom title. You must specify a custom title. For example, when the title is a button, // 4. feature_indeterminate_progress: uncertain progress // 5. feature_left_icon: icon on the left of the title bar // 6. feature_no_title: No title // 7. feature_options_panel: enables the option panel function. It is enabled by default. // 8. feature_progress: Progress indicator // 9. feature_right_icon: icon on the right of the title bar // response (); // showfeature_custom_title (); // response (); // showfeature_no_title (); showfeature_progress ();} private void response () {requestwindowfeature (window. feature_indeterminate_progress); setcontentview (R. layout. main); getwindow (). setfeatureint (window. feature_ I Ndeterminate_progress, R. layout. progress); // it must be added; otherwise, the display effect cannot be displayed. You can set to display or hide setprogressbarindeterminatevisibility (true);} private void showfeature_custom_title () {// custom title. You must specify a custom title. For example, when the title is a button, 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); // if this sentence is set to full screen without adding, only the title getwindow () is hidden (). 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); // change the value of progressbar through a thread. 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) {// set a progress bar value setprogress (100 * MSG. what); // set a progress bar value setsecondaryprogress (100 * MSG. what + 10); super. handlemessage (MSG );}};}