MainActivity.java 文件源码

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    ButterKnife.bind(this);

    sharedPreferences = getSharedPreferences(SHARED_PREFS, MODE_PRIVATE);
    editor = sharedPreferences.edit();

    an = new RotateAnimation(0.0f,
            360.0f,Animation.RELATIVE_TO_SELF, 0.5f,
            Animation.RELATIVE_TO_SELF,
            0.5f);

    // Set the animation's parameters
    an.setInterpolator(new LinearInterpolator());
    an.setDuration(7000);               // duration in ms
    an.setRepeatCount(-1);                // -1 = infinite repeated
}