Android Studio Button 事件
刚学习的菜鸟求代码。一个Button ,一个EditText,两个TextView。
当 EditText="1",点击Button ,TextView1="20";TextView2="30"。
当 EditText="3",点击Button ,TextView1="25";TextView2="35"。
MainActivity.java 代码 该怎么写?
程序代码:package com.example.administrator.a3d;
import android.support.v7.app.AppCompatActivity;
import android.widget.Button;
import android.widget.TextView;
import android.widget.EditText;
import android.view.View;
import android.os.Bundle;
public class MainActivity extends AppCompatActivity {
private TextView textView1;
private TextView textView2;
private EditText editText1;
private Button button1;
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
textView1 = (TextView)findViewById(R.id.textView1);
textView2 = (TextView)findViewById(R.id.textView2);
editText1 = (EditText)findViewById(R.id.editText1);
button1 = (Button)findViewById(R.id.button1);
button1.setOnClickListener(new View.OnClickListener(){
public void onClick(View v)
{
if("1".equals(editText1.getText().toString().trim()))
{
textView1.setText("20");
textView2.setText("30");
}
if("3".equals(editText1.getText().toString().trim()))
{
textView1.setText("25");
textView2.setText("35");
}
}
});
}
}
[此贴子已经被作者于2016-5-24 23:00编辑过]