buton和editText制作enable选择器代码

/**
 * Name: EditTextAndButtonSelector
 * Action:让按钮和编辑框enable对应起来
 * Author: liuan
 * creatTime:2017-03-31 16:25
 */

public class EditTextAndButtonSelector {
    public static void enbleSetting(final Button button, final EditText... editText) {
        button.setEnabled(false);
        initListenter(button, editText);
    }

    private static void initListenter(final Button button, final EditText... editText) {

        final int editTextlength = editText.length;
        for (int i = 0; i < editTextlength; i++) {


            editText[i].addTextChangedListener(new TextWatcher() {
                @Override
                public void beforeTextChanged(CharSequence s, int start, int count, int after) {

                }

                @Override
                public void onTextChanged(CharSequence s, int start, int before, int count) {

                }

                @Override
                public void afterTextChanged(Editable s) {
                    switch (editTextlength) {
                        case 2:
                            if (feilong(editText[0]) && feilong(editText[1])) {
                                button.setEnabled(true);
                            } else {
                                button.setEnabled(false);
                            }
                            break;
                        case 3:
                            if (feilong(editText[0]) && feilong(editText[1]) && feilong(editText[2])) {
                                button.setEnabled(true);
                            } else {
                                button.setEnabled(false);
                            }
                            break;
                        case 4:
                            if (feilong(editText[0]) && feilong(editText[1]) && feilong(editText[2]) && feilong(editText[3])) {
                                button.setEnabled(true);
                            } else {
                                button.setEnabled(false);
                            }
                            break;
                        case 5:
                            if (feilong(editText[0]) && feilong(editText[1]) && feilong(editText[2]) && feilong(editText[3]) && feilong(editText[4])) {
                                button.setEnabled(true);
                            } else {
                                button.setEnabled(false);
                            }
                            break;
                        case 6:
                            if (feilong(editText[0]) && feilong(editText[1]) && feilong(editText[2]) && feilong(editText[3]) && feilong(editText[4]) && feilong(editText[5])) {
                                button.setEnabled(true);
                            } else {
                                button.setEnabled(false);
                            }
                            break;
                        case 7:
                            if (feilong(editText[0]) && feilong(editText[1]) && feilong(editText[2]) && feilong(editText[3]) && feilong(editText[4]) && feilong(editText[5]) && feilong(editText[6])) {
                                button.setEnabled(true);
                            } else {
                                button.setEnabled(false);
                            }
                            break;
                        case 8:
                            if (feilong(editText[0]) && feilong(editText[1]) && feilong(editText[2]) && feilong(editText[3]) && feilong(editText[4]) && feilong(editText[5]) && feilong(editText[6]) && feilong(editText[7])) {
                                button.setEnabled(true);
                            } else {
                                button.setEnabled(false);
                            }
                            break;
                        case 9:
                            if (feilong(editText[0]) && feilong(editText[1]) && feilong(editText[2]) && feilong(editText[3]) && feilong(editText[4]) && feilong(editText[5]) && feilong(editText[6]) && feilong(editText[7]) && feilong(editText[8])) {
                                button.setEnabled(true);
                            } else {
                                button.setEnabled(false);
                            }
                            break;
                    }


                }

            });
        }
    }


    private static Boolean feilong(EditText et) {
        return ! TextUtils.isEmpty(et.getText().toString());
    }
}