android - 带有删除选项的 EditText

Question

嗨，请给我一些示例，演示如何使用“删除”按钮创建 editText ，当单击删除选项时，它将删除创建的 editText 。提前致谢 ...

动态创建textEdit的代码..

LinearLayout rAlign = (LinearLayout)findViewById(R.id.lId);
        EditText newPass = new EditText(getApplicationContext());
        allEds.add(newPass);
        newPass.setHint("Name of Label");
        newPass.setLayoutParams(new LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT));
        newPass.setWidth(318);
        newPass.setTextColor(Color.parseColor("#333333"));
        newPass.setId(MY_BUTTON);
        //newPass.
        //newPass.setOnClickListener(this);
        rAlign.addView(newPass);
        MY_BUTTON ++;               
        addSpinner();  //Function for adding spinner 

Answer 1

布局可能是这样的：

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent" >

<EditText
    android:id="@+id/editText1"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_alignParentTop="true"
    android:layout_marginTop="50dp"
    android:ems="10" >

    <requestFocus />
</EditText>

<Button
    android:id="@+id/button1"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_alignBaseline="@+id/editText1"
    android:layout_alignBottom="@+id/editText1"
    android:layout_toRightOf="@+id/editText1"
    android:text="Button" />

Java 可能是这样的：

public class MainActivity extends Activity implements OnClickListener {

TextView tv;
Button btn;

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);

    btn = (Button) findViewById(R.id.button1);
    tv = (TextView) findViewById(R.id.editText1);

    btn.setOnClickListener(this);
}

@Override
public void onClick(View v) {

    tv.setVisibility(View.GONE);

}

}