Android怎樣在Framework層使用解鎖代碼

import android.app.KeyguardManager;

import android.app.KeyguardManager.KeyguardLock;

import com.android.server.wm.WindowManagerService;

  KeyguardManager keyguardManager = (KeyguardManager)mContext.getSystemService("keyguard");

  KeyguardLock keyguardLock = keyguardManager.newKeyguardLock(TAG);

  keyguardLock.disableKeyguard();