Question

对话框中有一个AutoCompleteTextView，Edittext和Button。如果使用AutoCompleteTextView专注于下拉列表。所以它可以轻松选择。如果有人在autocompletetextview中选择 AAA ，请将edittext值设置为 BBB 。例如。如果选择 CCC ，请将editext值设置为 DDD 。 EditText值将由AutoCompleteTextView选择的值更改。我如何设置AutoComplete是 AAA 然后将值设置为Edittext BBB 。

请参阅下面的代码：

    private EditText editText;

    private AutoCompleteTextView completeTextView;

    String[] items = { "AAA","CCC","EEE", "GGG"};

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        setContentView(R.layout.main);

        //AuutoCompleteTextView 
        completeTextView = (AutoCompleteTextView) findViewById(R.id.complete_text);

        // show list on focus
        completeTextView.setOnTouchListener(new OnTouchListener() {

            @Override
            public boolean onTouch(View v, MotionEvent event) {
                completeTextView.showDropDown();                
                return false;
            }

        });

        completeTextView.addTextChangedListener(new TextWatcher() {

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

                    if (completeTextView.toString().equals("AAA")) {                        
                        editText.setText("BBB",TextView.BufferType.NORMAL);
                        }

                }

                @Override
                public void beforeTextChanged(CharSequence s, int start, int count,
                        int after) {
                    // TODO Auto-generated method stub
                }

                @Override
                public void afterTextChanged(Editable s) {
                    // TODO Auto-generated method stub
                }
            });




        completeTextView.setAdapter(new ArrayAdapter<String>(this,
                android.R.layout.simple_dropdown_item_1line, items));


        editText = (EditText) findViewById(R.id.edit_text);     


}

Answer 1

尝试使用以下代码：

private EditText editText;

private AutoCompleteTextView completeTextView;

String[] items = { "AAA","CCC","EEE", "GGG"};

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    setContentView(R.layout.main);

    //AuutoCompleteTextView 
    completeTextView = (AutoCompleteTextView) findViewById(R.id.complete_text);

    completeTextView.setAdapter(new ArrayAdapter<String>(this,
            android.R.layout.simple_dropdown_item_1line, items));


    editText = (EditText) findViewById(R.id.edit_text);     

    completeTextView.setOnItemClickListener(new AdapterView.OnItemClickListener() {

    @Override
    public void onItemClick(AdapterView<?> parent, View view,
            int position, long id) {
        if(items[position].equals("AAA"){
           editText.setText("BBB");}
    }
});
}

Answer 2

使用此

actv.setOnSelectedListener(new OnItemClickListener() {
    @Override
    public void onItemSelected (AdapterView<?> parent, View view, int position, long id) {
        //... your stuff
    }
})

参考文献：

http://developer.android.com/reference/android/widget/AutoCompleteTextView.html

如何在Android中设置依赖于AutoCompleteTextView值的EditText值？

2 个答案: