Activity 技巧 屏幕 进度条 控制
锁定 Activity 运行时的屏幕方向

<activity android:name=".EX01" android:label="@string/app_name"  android:screenOrientation="portrait" // 竖屏 , 值为 landscape 时为横屏………… </activity> 

全屏的 Activity

// 设置全屏模式 getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,     WindowManager.LayoutParams.FLAG_FULLSCREEN);  // 去除标题栏 requestWindowFeature(Window.FEATURE_NO_TITLE); 

在 Activity 的 Title 中加入进度条

// 不明确进度条 requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);  setContentView(R.layout.main);  setProgressBarIndeterminateVisibility(true);  // 明确进度条 requestWindowFeature(Window.FEATURE_PROGRESS);  setContentView(R.layout.main);  setProgress(5000);