private Drawable mIconSearchDefault; // 搜索文本框默认图标private Drawable mIconSearchClear; // 搜索文本框清除文本内容图标
 @Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.main)final Resources res = getResources();mIconSearchDefault = res.getDrawable(R.drawable.txt_search_default);mIconSearchClear = res.getDrawable(R.drawable.txt_search_clear);mSearchView = (EditText) findViewById(R.id.txtSearch);mSearchView.addTextChangedListener(tbxSearch_TextChanged);mSearchView.setOnTouchListener(txtSearch_OnTouch);}

private OnTouchListener txtSearch_OnTouch = new OnTouchListener() {@Overridepublic boolean onTouch(View v, MotionEvent event) {switch (event.getAction()) {case MotionEvent.ACTION_UP:int curX = (int) event.getX();if (curX > v.getWidth() - 38&& !TextUtils.isEmpty(mSearchView.getText())) {mSearchView.setText("");int cacheInputType = mSearchView.getInputType();// backup  the input typemSearchView.setInputType(InputType.TYPE_NULL);// disable soft inputmSearchView.onTouchEvent(event);// call native handlermSearchView.setInputType(cacheInputType);// restore input  typereturn true;// consume touch even
                }break;}return false;}};

//监听输入

/*** 动态搜索*/private TextWatcher tbxSearch_TextChanged = new TextWatcher() {//缓存上一次文本框内是否为空private boolean isnull = true;@Overridepublic void afterTextChanged(Editable s) {if (TextUtils.isEmpty(s)) {if (!isnull) {mSearchView.setCompoundDrawablesWithIntrinsicBounds(null,null, mIconSearchDefault, null);isnull = true;}} else {if (isnull) {mSearchView.setCompoundDrawablesWithIntrinsicBounds(null,null, mIconSearchClear, null);isnull = false;}}}@Overridepublic void beforeTextChanged(CharSequence s, int start, int count,int after) {}/*** 随着文本框内容改变动态改变列表内容*/@Overridepublic void onTextChanged(CharSequence s, int start, int before,int count) {}};