直播商城源码,EditView和TextView的综合应用
MainActivity.main
public class MainActivity extends AppCompatActivity {
Button bt;
TextView tv;
EditText et;
View.OnClickListener ocl = null;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
bt = (Button)findViewById(R.id.button1);
tv = (TextView)findViewById(R.id.textView1);
tv.setText("文本框、按钮、编辑框组合测试:\n等待提交更改,请在下方输入任意内容再点击提交按钮");
et = (EditText)findViewById(R.id.editText1);
ocl = new View.OnClickListener(){
public void onClick(View v){
CharSequence et_text = et.getText();//获取编辑框中的内容
tv.setText("文本框、按钮、编辑框组合测试:\n获取了用户输入\n" + et_text);
et.setText("");//响应后,清空编辑框中输入的内容
}
};
bt.setOnClickListener(ocl);
}
}
strings.xml
<resources>
<string name="app_name">WidgetDemo</string>
<drawable name="white">#00000000</drawable>
</resources>
activity_main.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="match_parent">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="TextView"
android:background="@drawable/white"
android:id="@+id/textView1"> </TextView>
<EditText
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:id="@+id/editText1">
</EditText>
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="提交"
android:id="@+id/button1">
</Button>
</LinearLayout>```
以上就是直播商城源码,EditView和TextView的综合应用, 更多内容欢迎关注之后的文章
标签:layout,content,源码,EditView,et,android,id,TextView From: https://www.cnblogs.com/yunbaomengnan/p/17511282.html