requestWindowFeature使用

素颜马尾好姑娘i 2022-08-04 16:32 169阅读 0赞

**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  
  
**效果图：**  
 default：  
![12ddefa9-ca1e-32f3-b6c6-e7442e208da1.png][]  
  
progress：

![76431e5c-6bc9-3dd6-92a6-071d512f8b06.png][]

no title：

![fec9a99f-0a53-35ef-ad47-09c174d1ed27.png][]  
  
lefticon：

![91e2a287-b17d-349c-aaac-36d61cdbac75.png][]  
fullscreen：  
![d14c7f38-41cb-342d-896f-0b5a7e400ca8.png][]  
indeterminate\_progress:  
![e4f517e6-7b2d-3cca-a333-4427210c4e53.png][]

customtitle:

![767089ab-e279-3b7c-bcc5-310af9d14882.png][]

**代码：**

Java代码 ![收藏代码][icon_star.png]

1.  **package** com.my; 
2.  **import** android.app.Activity; 
3.  **import** android.os.Bundle; 
4.  **import** android.os.Handler; 
5.  **import** android.os.Message; 
6.  **import** android.view.Window; 
7.  **import** android.view.WindowManager; 
8.  **public** **class** WindowFeatureDemoActivity **extends** Activity \{ 
9.  @Override
10. **public** **void** onCreate(Bundle savedInstanceState) \{ 
11. **super**.onCreate(savedInstanceState); 
12. // requestWindowFeature();的取值
13. // 1.DEFAULT\_FEATURES：系统默认状态，一般不需要指定
14. // 2.FEATURE\_CONTEXT\_MENU：启用ContextMenu，默认该项已启用，一般无需指定
15. // 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
16. // 4.FEATURE\_INDETERMINATE\_PROGRESS：不确定的进度
17. // 5.FEATURE\_LEFT\_ICON：标题栏左侧的图标
18. // 6.FEATURE\_NO\_TITLE：无标题
19. // 7.FEATURE\_OPTIONS\_PANEL：启用“选项面板”功能，默认已启用。
20. // 8.FEATURE\_PROGRESS：进度指示器功能
21. // 9.FEATURE\_RIGHT\_ICON:标题栏右侧的图标
22. // ========================FEATURE\_INDETERMINATE\_PROGRESS：不确定的进度
23. // showFEATURE\_INDETERMINATE\_PROGRESS();
24. // // =====================FEATURE\_CUSTOM\_TITLE 
25. // showFEATURE\_CUSTOM\_TITLE();
26. // // ======================== FEATURE\_LEFT\_ICON：标题栏左侧的图标
27. // showFEATURE\_LEFT\_ICON();
28. // // ======================FEATURE\_NO\_TITLE
29. // showFEATURE\_NO\_TITLE(); 
30. // =================================FEATURE\_PROGRESS
31.  showFEATURE\_PROGRESS(); 
32.  \} 
33. **private** **void** showFEATURE\_INDETERMINATE\_PROGRESS() \{ 
34.  requestWindowFeature(Window.FEATURE\_INDETERMINATE\_PROGRESS); 
35.  setContentView(R.layout.main); 
36.  getWindow().setFeatureInt(Window.FEATURE\_INDETERMINATE\_PROGRESS, R.layout.progress); 
37. // 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
38.  setProgressBarIndeterminateVisibility(**true**); 
39.  \} 
40. **private** **void** showFEATURE\_CUSTOM\_TITLE() \{ 
41. // 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
42.  requestWindowFeature(Window.FEATURE\_CUSTOM\_TITLE); 
43.  setContentView(R.layout.main); 
44.  getWindow().setFeatureInt(Window.FEATURE\_CUSTOM\_TITLE, R.layout.customtitle); 
45.  \} 
46. **private** **void** showFEATURE\_LEFT\_ICON() 
47.  \{ 
48.  requestWindowFeature(Window.FEATURE\_LEFT\_ICON); 
49.  setContentView(R.layout.main); 
50.  getWindow().setFeatureDrawableResource(Window.FEATURE\_LEFT\_ICON, 
51.  R.drawable.icon); 
52.  \} 
53. **private** **void** showFEATURE\_NO\_TITLE() 
54.  \{ 
55.  requestWindowFeature(Window.FEATURE\_NO\_TITLE); 
56.  setContentView(R.layout.main); 
57. // 加上这句设置为全屏 不加则只隐藏title
58.  getWindow().setFlags(WindowManager.LayoutParams.FLAG\_FULLSCREEN, 
59.  WindowManager.LayoutParams.FLAG\_FULLSCREEN); 
60.  \} 
61. **private** **void** showFEATURE\_PROGRESS() 
62.  \{ 
63.  requestWindowFeature(Window.FEATURE\_PROGRESS); 
64.  setProgressBarVisibility(**true**); 
65.  setContentView(R.layout.main); 
66.  setTitle(""); 
67.  getWindow().setFeatureInt(Window.FEATURE\_PROGRESS, Window.PROGRESS\_VISIBILITY\_ON); 
68. // 通过线程来改变ProgressBar的值
69. **new** Thread(**new** Runnable() \{ 
70. **public** **void** run() \{ 
71. **for** (**int** i = 0; i < 10; i++) \{ 
72. **try** \{ 
73.  Thread.sleep(1000); 
74.  Message m = **new** Message(); 
75.  m.what = (i + 1) \* 20; 
76.  WindowFeatureDemoActivity.**this**.myMessageHandler.sendMessage(m); 
77.  \} **catch** (Exception e) \{ 
78.  e.printStackTrace(); 
79.  \} 
80.  \} 
81.  \} 
82.  \}).start(); 
83.  \} 
84.  Handler myMessageHandler = **new** Handler() \{ 
85. // @Override
86. **public** **void** handleMessage(Message msg) \{ 
87. // 设置标题栏中前景的一个进度条进度值
88.  setProgress(100 \* msg.what); 
89. // 设置标题栏中后面的一个进度条进度值
90.  setSecondaryProgress(100 \* msg.what + 10); 
91. **super**.handleMessage(msg); 
92.  \} 
93.  \}; 
94. \}

[12ddefa9-ca1e-32f3-b6c6-e7442e208da1.png]: /images/20220805/1fbf15af494048449c358c24da033fe6.png
[76431e5c-6bc9-3dd6-92a6-071d512f8b06.png]: /images/20220805/308e9b5317ce467b8162a0da5a3be7ed.png
[fec9a99f-0a53-35ef-ad47-09c174d1ed27.png]: /images/20220805/cfd6491b23e84ef5a1d2a0551fe7cbcf.png
[91e2a287-b17d-349c-aaac-36d61cdbac75.png]: /images/20220805/283f2b406dcc4dc998705c7c2e1e76f5.png
[d14c7f38-41cb-342d-896f-0b5a7e400ca8.png]: /images/20220805/53154982d90e441186b5bbb6692c2ecb.png
[e4f517e6-7b2d-3cca-a333-4427210c4e53.png]: /images/20220805/745cc04445fc4c9aa5f7ed7b012d0666.png
[767089ab-e279-3b7c-bcc5-310af9d14882.png]: /images/20220805/2ee678abef37440491cce0fa93812278.png
[icon_star.png]: /images/20220805/41928af84c534a3ba27127e7caea953e.png