显示在文本框中输入的信息

红太狼 2022-07-20 12:13 223阅读 0赞

package com.example.test;
    import android.app.Activity;
    import android.os.Bundle;
    import android.view.KeyEvent;
    import android.view.Menu;
    import android.view.MenuItem;
    import android.view.View;
    import android.widget.EditText;
    import android.widget.TextView;
    
    
    public class MainActivity extends Activity {
    
    	private TextView mTextView01; 
    	  private EditText mEditText01; 
        @Override
        protected void onCreate(Bundle savedInstanceState) {
            super.onCreate(savedInstanceState);
            setContentView(R.layout.activity_main);
            mTextView01 = (TextView)findViewById(R.id.myTextView);
            mEditText01 = (EditText)findViewById(R.id.myEditText);
            mEditText01.setOnKeyListener(new EditText.OnKeyListener()
            {
              public boolean onKey(View arg0, int arg1, KeyEvent arg2)
              {
                // TODO Auto-generated method stub
                /*设置TextView显示EditText所输入的内容*/
                mTextView01.setText(mEditText01.getText()); 
                return false;
              }
            });
        }
    
    
        @Override
        public boolean onCreateOptionsMenu(Menu menu) {
            // Inflate the menu; this adds items to the action bar if it is present.
            getMenuInflater().inflate(R.menu.main, menu);
            return true;
        }
    
        @Override
        public boolean onOptionsItemSelected(MenuItem item) {
            // Handle action bar item clicks here. The action bar will
            // automatically handle clicks on the Home/Up button, so long
            // as you specify a parent activity in AndroidManifest.xml.
            int id = item.getItemId();
            if (id == R.id.action_settings) {
                return true;
            }
            return super.onOptionsItemSelected(item);
        }
    }