解除屏保代码: // 去掉屏保KeyguardManager mKeyguardManager = (KeyguardManager)getSystemService(Context.KEYGUARD_SERVICE); final KeyguardLock mKeyguardLock = mKeyguardManager.newKeyguardLock(""); mKeyguardLock.disableKeyguard(); 恢复屏保代码: // 恢复屏保mKeyguardLock.reenableKeyguard(); 最后要记得加入权限: <uses-permission android:name="android.permission.DISABLE_KEYGUARD"></uses-permission><uses-permission android:name="android.permission.WAKE_LOCK"></uses-permission>