MainActivity.java 文件源码

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    user = (ClearEditText) findViewById(R.id.user);
    user.addTextChangedListener(userTextWatcher);
    user.setOnFocusChangeListener(this);

    pass = (ClearEditText) findViewById(R.id.pass);
    pass.setOnFocusChangeListener(this);
    pass.addTextChangedListener(passTextWatcher);

    login = (Button) findViewById(R.id.login);
    login.setOnClickListener(this);
    register = (Button) findViewById(R.id.register);
    register.setOnClickListener(this);
    forget = (TextView) findViewById(R.id.forget);

    ObjectAnimator animator = ObjectAnimator.ofFloat(forget, "rotation", 0, 360f);
    ObjectAnimator animator1 = ObjectAnimator.ofFloat(forget, "alpha", 1f, 0f, 1f);
    AnimatorSet set = new AnimatorSet();
    set.play(animator).with(animator1);
    set.setDuration(5000);
    set.start();
}