knox protection android

1 principle Android has three kinds of screen unlock protection: pattern unlock, pin password unlock and unlock password. The interface is as follows: Diagram 1 Pattern Unlock interface Chart 2 pin password unlock interface Chart 3 Password Unlock interface We can use the subclass Keyguardlock in Java.lang.Object.android.app.KeyguardManger to control the disable out

lock Interface After the disableKeyguard () method is called to lock the screen with the disable pattern, pressing the home key will trigger the screen lock Interface enable to re-display the screen lock interface. 2. Pin password lock interface using this method After the disableKeyguard () method is called and the disable pattern interface is displayed, a pop-up screen is displayed when you press the home Key. Does not return to the home page 3. Use this method on the password lock Interface

information obtained by the above code is actually a long string, which can be MD5 encrypted and encrypted into a 32-bit string format for more efficient signature information. In addition, I see in the process of information, I saw some of the data mentioned in the package signed Hashcode value to do the comparison, this way is simpler, but I did not use this way, I always feel that this way may not be accurate, just a person feel that interested students can read more relevant information. It

Activity Site Protection @Override protectedvoid onsaveinstancestate (Bundle outstate) { // Save Data Super . Onsaveinstancestate (outstate); } @Override protectedvoid onrestoreinstancestate (Bundle savedinstancestate) { // Recovering data Super . Onrestoreinstancestate (savedinstancestate); }Note: because Onsaveinstancestate () is not guaranteed to be called every time, you should only use it to recor

Address: http://blog.csdn.net/you_and_me12/article/details/7959349 2012-09-09 The APK file uses the decompression tool to view resources such as drawable, but some images in the game cannot be seen. This issue has been explored for a long time ...... [1] image resources are not placed under the drawable file and placed in assets (but the image resources can also be seen when decompressing the APK). The following describes how to use the image resources. Analysis: I) when the image resources are