我正在尝试使用基于xml文件的动态文本视图..... 请帮我处理我的代码
CODE
MessageViewPage.java
package com.dpn.pack;
public class MessageViewPage extends Activity {
TextView tv1=new TextView(this);
ScrollView sv;
String nickname,body;
@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
setContentView(R.layout.message_view_page);
Bundle b = getIntent().getExtras();
nickname= b.getString("nick");
body=b.getString("body");
LayoutInflater vi = (LayoutInflater) getApplicationContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE);
View v = vi.inflate(R.layout.message_view_page, null);
// fill in any details dynamically here
TextView textView = (TextView) v.findViewById(R.id.textViewSender);
textView.setText("Sender : "+nickname);
// insert into main view
View insertPoint = findViewById(R.id.textViewSender);
insertPoint.addView(v, 0, new ViewGroup.LayoutParams(ViewGroup.LayoutParams.FILL_PARENT, ViewGroup.LayoutParams.FILL_PARENT));
}
}
我的 XML 文件如下
message_view_page.xml
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
android:padding="5dp"
android:background="@drawable/view">
<TextView
android:id="@+id/textViewSender"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_alignParentTop="true"
android:layout_marginLeft="18dp"
android:layout_marginTop="35dp"
android:textColor="#FFFFFF"
android:textSize="20dp" />
<TextView
android:id="@+id/textViewBody"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignLeft="@+id/textViewSender"
android:layout_below="@+id/textViewSender"
android:layout_marginLeft="20dp"
android:layout_marginTop="40dp"
android:textSize="15dp"
android:textColor="#F69DD1" />
<Button
android:id="@+id/buttonReply"
android:layout_width="100dp"
android:layout_height="50dp"
android:layout_alignParentBottom="true"
android:layout_alignParentLeft="true"
android:layout_marginLeft="45dp"
android:layout_marginBottom="50dp"
android:text="Reply" />
<Button
android:id="@+id/buttonListen"
android:layout_width="100dp"
android:layout_height="50dp"
android:layout_alignParentBottom="true"
android:layout_alignParentRight="true"
android:layout_marginRight="45dp"
android:layout_marginBottom="50dp"
android:text="LIsten" />
</RelativeLayout>
我在此代码中出错
insertPoint.addView(v, 0, new ViewGroup.LayoutParams(ViewGroup.LayoutParams.FILL_PARENT, ViewGroup.LayoutParams.FILL_PARENT));
像
请任何人告诉我解决问题的方法。
我的目标输出演示,如
答案 0 :(得分:1)
View
类没有addView
方法,您无法将View
添加到另一个View
。 addView
方法属于ViewGroup
类。
答案 1 :(得分:0)
View类没有addView方法。将动态TextView添加为:
首先在xml中提供布局ID:
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="@+id/layout"
android:orientation="vertical"
android:padding="5dp"
android:background="@drawable/view">
并在代码中:
final TextView tv1 = new TextView(this);
LinearLayout.LayoutParams p = new LinearLayout.LayoutParams(
LinearLayout.LayoutParams.FILL_PARENT,
LinearLayout.LayoutParams.WRAP_CONTENT
);
tv1.setText("TextView");
RelativeLayout layout = (RelativeLayout ) findViewById(R.id.layout);
layout.addView(tv1, p);