Uri uri = Uri.parse("philn://blog.163.com");
Intent it = new Intent(Intent.ACTION_VIEW, uri);  
startActivity(it);

<activity android:name=".IntentActivity" android:launchMode="singleTask"
         android:label="@string/testname">
       <intent-filter>
        <action android:name="android.intent.action.VIEW" />
        <category android:name="android.intent.category.DEFAULT" />
        <category android:name="android.intent.category.BROWSABLE" />
        <data android:scheme="philn"/>
      </intent-filter>
</activity>

protected void onNewIntent(Intent intent) {

 super.onNewIntent(intent);

 setIntent(intent);//must store the new intent unless getIntent() will return the old one

 processExtraData();

}

public void onCreate(Bundle savedInstanceState) {

 super.onCreate(savedInstanceState);

 setContentView(R.layout.main);

 processExtraData();

}
protected void onNewIntent(Intent intent) {

 super.onNewIntent(intent);

  setIntent(intent);//must store the new intent unless getIntent() will return the old one

 processExtraData()

}
private void processExtraData(){

 Intent intent = getIntent();

 //use the data received here

}
 

@Override
protected void onNewIntent(Intent intent) {
 super.onNewIntent(intent);

 // setIntent(intent);

 int data = getIntent().getIntExtra("HAHA", 0);
 // int data = intent.getIntExtra("HAHA", 0);
}