问如何将EditText的内容保存到字符串中？安卓

EN

// first set the Input type of the EditText in the Java class like this;

EditText edText1 = (EditText) findViewById(R.id.editText1);

edText1.setInputType(InputType.TYPE_CLASS_TEXT);

String str = edText1.getText().toString();

 @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        createLog("Called method onCreate");

    Button addTextButton = (Button) findViewById(R.id.button);

    final EditText vEditText = (EditText) findViewById(R.id.editText);

    addTextButton.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            String enteredText = vEditText.getText().toString();

            if (enteredText.length() > 0){
                String existingText =((TextView) findViewById(R.id.textView)).getText().toString();
                ((TextView) findViewById(R.id.textView)).setText(existingText + (char)10 + (char)13 + enteredText );
                vEditText.setText("");
            }
        }
    });