Android EditText 监听用户输入完成的实例

EditText editText = (EditText) findViewById(R.id.edit);
editText.addTextChangedListener(new TextWatcher() {
 @Override
 public void beforeTextChanged(CharSequence charSequence, int i, int i1, int i2) {
 }
 //输入时的调用
 @Override
 public void onTextChanged(CharSequence charSequence, int i, int i1, int i2) {
  Log.d(TAG, "onTextChanged() returned: ");
  mHandler.removeCallbacks(mRunnable);
  //800毫秒没有输入认为输入完毕
  mHandler.postDelayed(mRunnable, 800);
 }
 @Override
 public void afterTextChanged(Editable editable) {
  Log.d(TAG, "onTextChanged() returned: 2222");
 }
});

private Handler mHandler = new Handler() {
 @Override
 public void handleMessage(Message msg) {
  super.handleMessage(msg);
  if (EDIT_OK == msg.what) {
   Log.d(TAG, "handleMessage() returned:输入完成 " );
  }
 }
};
private Runnable mRunnable = new Runnable() {
 @Override
 public void run() {
  mHandler.sendEmptyMessage(EDIT_OK);
 }
};