How to make a screen unlock application for Android

I am trying to develop an Android unlock application. I downloaded the screen unlock application and tested it. I finally found one application. This is a fingerprint screensaver . This is exactly what I want. I want to say that I want to replace the screen unlock screen application. I am wandering about how to replace the Android app to unlock Android.

I have a lot of googled, but I could not find how to do it. Someone wrote that this is a hack. Even Android does not support, I really want to know how to do this.

If anyone knows about this, please give me the key. Thanks in advance.

Thank.

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1 answer

, AndroidManifest.xml :

<intent-filter>
  <action android:name="android.intent.action.MAIN" />
  <category android:name="android.intent.category.HOME" />
  <category android:name="android.intent.category.DEFAULT" />
</intent-filter>

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- Android. , OEM-, HTC Sense Motoblur, .

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