Note: Use the SharedPreferences storage to set the program to enter the welcome page for the first time. The welcome page will not be displayed in the future .,

Note: Use the SharedPreferences storage to set the program to enter the welcome page for the first time. The welcome page will not be displayed in the future .,

1 SharedPreferences mSharedPreferences = this. getSharedPreferences (NAME, this. MODE_PRIVATE); 2 boolean first_run = mSharedPreferences. getBoolean (APP_FIRST_RUN, true); 3 4 if (first_run = true) {5 // after the first entry, it is changed to false. After the entry, the welcome page will not be displayed again. 6 Editor e = mSharedPreferences. edit (); 7 e. putBoolean (APP_FIRST_RUN, false); 8 e. commit (); 9 10} else {11 Intent intent = new Intent (this, MainActivity. class); 12 startActivity (intent); 13 // enter the main program to close the initial animation interface 14 this. finish (); 15}