直接上代码
private EditText edt;
private CheckBox btn;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
edt = (EditText) findViewById(R.id.edt);
btn = (CheckBox) findViewById(R.id.btn);
btn.setOnCheckedChangeListener(new OnCheckedChangeListener() {
@Override
public void onCheckedChanged(CompoundButton buttonView,
boolean isChecked) {
// TODO Auto-generated method stub
if (isChecked) {
// 设置EditText文本为可见的
edt.setTransformationMethod(HideReturnsTransformationMethod
.getInstance());
} else {
// 设置EditText文本为隐藏的
edt.setTransformationMethod(PasswordTransformationMethod
.getInstance());
}
edt.postInvalidate();
// 切换后将EditText光标置于末尾
CharSequence charSequence = edt.getText();
if (charSequence instanceof Spannable) {
Spannable spanText = (Spannable) charSequence;
Selection.setSelection(spanText, charSequence.length());
}
}
});
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