我想为列表视图中的每个列表项创建视图 [英] i want to create view for each item of the list in the list view

问题描述

我在android studio中完成了以下代码。

现在我想在点击时在单独的视图中查看listview的每个元素



MAINACTIVITY.JAVA

  package  com.example.ramneekkashyap.app2; 
 
  import  android.content.Intent; 
  import  android.support.v7.app.ActionBarActivity; 
  import  android.os.Bundle; 
  import  android.view.Menu; 
  import  android.view.MenuItem; 
  import  android.view.View; 
  import  android.widget.Button; 
 
 
  public   class  MainActivity  extends  ActionBarActivity {
 Button _loginBtn; 
  @覆盖 
 受保护  void  onCreate（Bundle savedInstanceState）{
  super  .onCreate（savedInstanceState）; 
 setContentView（R.layout.activity_main）; 
 _loginBtn =（Button）findViewById（R.id.btn_login）; 
 
 _loginBtn.setOnClickListener（ new  View.OnClickListener（）{
  @ Override  
  public   void  onClick（查看v）{
  //  这是一条对您的代码无益的评论。请在复制粘贴后随意将其删除。 
  //  单击该按钮时，控件将采用此方法。 
  //  为了证明这一点，让我们尝试将Button的标签从登录更改为我被点击  
 
意图意图= 新意图（MainActivity。此， ORGANISATIONListActivity。类）; 
 startActivity（intent）; 
} 
 
}）;  //  检查当前活动是否需要跳过{ 
} 
 
 
  @覆盖 
  public   boolean  onCreateOptionsMenu（菜单菜单）{
  //  < span class =code-comment>给菜单充气;如果项目存在，则会将项目添加到操作栏。 
 getMenuInflater（）。inflate（R.menu.menu_main，menu）; 
 返回 true; 
} 
 
  @覆盖 
  public   boolean  onOptionsItemSelected（MenuItem item）{
  //   Handle操作栏项目点击此处。操作栏将 
  //  自动处理Home / Up按钮上的点击，  
  //  在AndroidManifest.xml中指定父活动。 
  int  id = item.getItemId（）; 
 
  //   noinspection SimplifiableIfStatement  
  if （id == R.id.action_settings）{
  return  true; 
} 
 
  return   super  .onOptionsItemSelected（item）; 
} 
} 

ACTIVITY_MAIN .XML

< 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 android：paddingLeft =   @ dimen / activity_horizo​​ntal_margin 
 android：paddingRight =   @ dimen / activity_horizo​​ntal_margin 
 android：paddingTop =   @ dimen / activity_vertical_margin 
 android ：paddingBottom =   @ dimen / activity_vertical_margin工具：context =  。MainActivity 
 android：removed =   #fffffff> 
 
< textview android：text =   @ string / hello_ORGANISATION android ：layout_width =   match_parent> 
 android：layout_height =   wrap_content 
 android：removed =  ＃ff7bffff 
 android：textColor =  ＃ff000000 
 android：textSize =   26dp 
 android：id =   @ + id / textView /> 
 
< linearlayout> 
 android：orientation =   horizo​​ntal 
 android：layout_width =   fill_parent 
 android：layout_height =   wrap_content 
 android：layout_centerHorizo​​ntal =   true 
 android：layout_below =   @ + id / textView 
 android：id =   @ + id / linearLayout> 
 
< textview> 
 android：layout_width =   wrap_content 
 android：layout_height =   wrap_content 
 android：textAppearance =  ？android：attr / textAppearanceMedium 
 android：text =  用户名 
 android：id =   @ + id / textView2  
 android：textColor =  ＃ff000000 /> 
 
< edittext> 
 android：layout_width =   wrap_content 
 android：layout_height =   wrap_content 
 android：inputType =   textEmailAddress 
 android：ems =   10 
 android：id =   @ + id / id_of_the_username_field 
 android：layout_weight =   1 /> 
< / edittext>< / textview>< / linearlayout> 
 
< linearlayout> 
 android：orientation =   horizo​​ntal 
 android：layout_width =   fill_parent 
 android：layout_height =   wrap_content 
 android：layout_alignParentLeft =   true 
 android：layout_alignParentStart =   true 
 android ：layout_below =   @ + id / linearLayout 
 android：id =   @ + id / linearLayout2> 
 
< textview> 
 android：layout_width =   wrap_content 
 android：layout_height =   wrap_content 
 android：textAppearance =  ？android：attr / textAppearanceMedium 
 android：text =  密码： 
 android：id =   @ + id / textView3  
 android：textColor =  ＃ff000000 /> 
 
< edittext> 
 android：layout_width =   wrap_content 
 android：layout_height =   wrap_content 
 android：inputType =   textPassword 
 android：ems =   10 
 android：id =   @ + id / editText2 
 android：layout_weight =   1 /> 
< / edittext>< / textview>< / linearlayout> 
 
<按钮
 android：layout_width =   fill_parent 
 android：layout_height =   wrap_content 
 android：text =   LOGIN 
 android：id =   @ + id / btn_login 
 android：layout_below =   @ + id / linearLayout2 
 android：layout_centerHorizo​​ntal =   true 
 android：textSize =   25dp /> 
 
< / textview>< / relativelayout> 

ORGANISATIONLISTACTIVITY.JAVA

  package  com.example.ramneekkashyap.app2; 
 
  import  android.app.ListActivity; 
  import  android.os.Bundle; 
  import  android.view.View; 
  import  android.widget.ArrayAdapter; 
  import  android.widget.ListView; 
  import  android.widget.TextView; 
 
 
  public   class  ORGANISATIONListActivity  extends  ListActivity {
 
  private  ArrayAdapter ORGANISATIONItemArrayAdapter; 
  @覆盖 
 受保护  void  onCreate（Bundle savedInstanceState）{
  super  .onCreate（savedInstanceState）; 
 setContentView（R.layout.activity_ORGANISATION_list）; 
 ORGANISATIONItemArrayAdapter =  new  ORGANISATIONAdapter（ this ， new  字符串 [ 10 ]）; 
 setListAdapter（ORGANISATIONItemArrayAdapter）; 
} 
  @覆盖 
  protected   void  onListItemClick（ListView l，View v， int 位置， long  id ）{
 TextView t =（TextView）v.findViewById（R.id.ORGANISATIONTitle）; 
 t.setText（  ORGANIZATION点击）; 
} 
 
 
} 

ORGANISATIONADAPTER.JAVA

  package  com.example.ramneekkashyap.app2; 
 
  import  android.view.ViewGroup; 
  import  android.app.Activity; 
  import  android.view.LayoutInflater; 
  import  android.view.View; 
  import  android.widget.ArrayAdapter; 
 
 
 
 
 
  public   class  ORGANISATIONAdapter  extends  ArrayAdapter {
  private  LayoutInflater inflater; 
 
  public  ORGANISATIONAdapter（活动活动，字符串 []项目）{
  super （活动，R.layout.row_ORGANISATION，items）; 
 inflater = activity.getWindow（）。getLayoutInflater（）; 
} 
 
  @覆盖 
  public 查看getView （ int  position，View convertView，ViewGroup parent）{
  return  inflater.inflate（R。 layout.row_ORGANISATION，parent，false）; 
} 
 
} 

ACTIVITY_ORGANISATION_ADAPTER.XML

< relativelayout xmlns：android =   http://schemas.android.com/apk/ RES /机器人> 
 xmlns：tools =   http://schemas.android.com/tools android ：layout_width =   match_parent 
 android：layout_height =   match_parent android：paddingLeft =   @ dimen / activity_horizo​​ntal_margin 
 android：paddingRight =   @ dimen / activity_horizo​​ntal_margin 
 android：paddingTop =   @ dimen / activity_vertical_margin 
 android ：paddingBottom =   @ dimen / activity_vertical_margin 
 tools：context =   com.example.ramneekkashyap.app2.ORGANISATIONAdapter> 
 
< textview android：text =   @ string / hello_world android ：layout_width =   wrap_content> 
 android：layout_height =   wrap_content /> 
 
< / textview>< / relativelayout> 

ROW_ORGANISATION.XML

< linearlayout xmlns：android =   http://schemas.android.com/apk/res/android\"> 
 android：layout_width =   match_parent 
 android：layout_height =   match_parent 
 android：orientation =   horizo​​ntal> 
 
< ImageView 
 android：id =   @ + id / imageView1  
 android：layout_width =   100dp 
 android：layout_height =   100dp 
 android：src =    @ drawable / user_profile 
 android：layout_marginLeft =   5dp 
 android：layout_marginTop =   5dp /> 
 
 
< linearlayout> 
 android：layout_width =   wrap_content 
 android：layout_height =   match_parent 
 android：orientation =   vertical 
 android：layout_marginLeft =   10dp 
 android：gravity =   left> 
 
 
< textview> 
 android：id =   @ + id / ORGANISATIONTitle 
 android：layout_width =   match_parent 
 android：layout_height =    wrap_removed 
 android：text =  标题文本 
 android：textSize =   19sp 
 android：textColor =  ＃222222 
 android：textStyle =   bold /> 
 
 
< textview> 
 android：id =   @ + id / textView2 
 android：layout_width =   match_parent 
 android：layout_height =    wrap_content 
 android：text =   ORGANIZATION正文文本 
 android：layout_marginTop =   5dp 
 android：ellipsize =   end 
 android：lines = < span class =code-string>  3 
 android：textColor =  ＃666666 
 android：textSize =   14sp /> ; 
 
 
< textview> 
 android：id =   @ + id / textView3 
 android：layout_width =   match_parent 
 android：layout_height =    wrap_content 
 android：text =   2013年11月20日 
 android：layout_marginTop =   5dp 
 android：textColor =  ＃999999 
 android：textSize = < span class =code-string>  12sp /> 
 
 
< / textview>< / textview>< / textview>< / linearlayout> 
 
 
< / linearlayout> 

ACTIVITY_ORGANISATION_LIST.XML

< 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 
 android：paddingBottom =   @ dimen / activity_vertical_margin 
 android：paddingLeft =   @ dimen / activity_horizo​​ntal_margin 
 android：paddingRight =   @ dimen / activity_horizo​​ntal_margin 
 android：paddingTop =   @ dimen / activity_vertical_margin 
工具：context =   com.example.ramneekkashyap.app2.ORGANISATIONListAc tivity $ PlaceholderFragment> 
 
< listview> 
 android：id =   @ + id / list 
 android：layout_width =   match_parent 
 android：layout_height =    match_parent> 
< / listview> 
 
< / relativelayout> 

解决方案

PlaceholderFragment>

< listview>
android：id = @ + id / list
android：layout_width = match_parent
android：layout_height = match_parent>
< / listview>

< /的RelativeLayout>

i have done the following code in android studio.
now i want to view a each element of the listview in a separate view when it is clicked

MAINACTIVITY.JAVA

package com.example.ramneekkashyap.app2;

import android.content.Intent;
import android.support.v7.app.ActionBarActivity;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.Button;


public class MainActivity extends ActionBarActivity {
    Button _loginBtn;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        _loginBtn = (Button) findViewById(R.id.btn_login);

        _loginBtn.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                //This is a comment which does no good to your code. Feel free to remove it after you copy paste.
                //When the button is clicked, the control will come to this method.
                //To demonstrate this, let us try changing the label of the Button from 'Login' to 'I am clicked'

                Intent intent = new Intent(MainActivity.this, ORGANISATIONListActivity.class);
                startActivity(intent);
            }

        });//check if the current Activity needs to be skipped {
    }


    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.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();

        //noinspection SimplifiableIfStatement
        if (id == R.id.action_settings) {
            return true;
        }

        return super.onOptionsItemSelected(item);
    }
}

ACTIVITY_MAIN.XML

<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" android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    android:paddingBottom="@dimen/activity_vertical_margin" tools:context=".MainActivity"
    android:removed="#ffffffff">

    <textview android:text="@string/hello_ORGANISATION" android:layout_width="match_parent">
        android:layout_height="wrap_content"
        android:removed="#ff7bffff"
        android:textColor="#ff000000"
        android:textSize="26dp"
        android:id="@+id/textView" />

    <linearlayout>
        android:orientation="horizontal"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:layout_centerHorizontal="true"
        android:layout_below="@+id/textView"
        android:id="@+id/linearLayout">

        <textview>
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:textAppearance="?android:attr/textAppearanceMedium"
            android:text="User Name"
            android:id="@+id/textView2"
            android:textColor="#ff000000" />

        <edittext>
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:inputType="textEmailAddress"
            android:ems="10"
            android:id="@+id/id_of_the_username_field"
            android:layout_weight="1" />
    </edittext></textview></linearlayout>

    <linearlayout>
        android:orientation="horizontal"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:layout_alignParentLeft="true"
        android:layout_alignParentStart="true"
        android:layout_below="@+id/linearLayout"
        android:id="@+id/linearLayout2">

        <textview>
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:textAppearance="?android:attr/textAppearanceMedium"
            android:text="Password: "
            android:id="@+id/textView3"
            android:textColor="#ff000000" />

        <edittext>
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:inputType="textPassword"
            android:ems="10"
            android:id="@+id/editText2"
            android:layout_weight="1" />
    </edittext></textview></linearlayout>

    <Button
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:text="LOGIN"
        android:id="@+id/btn_login"
        android:layout_below="@+id/linearLayout2"
        android:layout_centerHorizontal="true"
        android:textSize="25dp" />

</textview></relativelayout>

ORGANISATIONLISTACTIVITY.JAVA

package com.example.ramneekkashyap.app2;

import android.app.ListActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.TextView;


public class ORGANISATIONListActivity extends ListActivity {

    private ArrayAdapter ORGANISATIONItemArrayAdapter;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_ORGANISATION_list);
        ORGANISATIONItemArrayAdapter = new ORGANISATIONAdapter(this, new String[10]);
        setListAdapter(ORGANISATIONItemArrayAdapter);
    }
    @Override
    protected void onListItemClick(ListView l, View v, int position, long id) {
        TextView t = (TextView) v.findViewById(R.id.ORGANISATIONTitle);
        t.setText("ORGANISATION Clicked");
    }


}

ORGANISATIONADAPTER.JAVA

package com.example.ramneekkashyap.app2;

import android.view.ViewGroup;
import android.app.Activity;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.ArrayAdapter;





public class ORGANISATIONAdapter extends ArrayAdapter{
    private LayoutInflater inflater;

    public ORGANISATIONAdapter(Activity activity, String[] items){
        super(activity, R.layout.row_ORGANISATION, items);
        inflater = activity.getWindow().getLayoutInflater();
    }

    @Override
    public View getView(int position, View convertView, ViewGroup parent){
        return inflater.inflate(R.layout.row_ORGANISATION, parent, false);
    }

}

ACTIVITY_ORGANISATION_ADAPTER.XML

<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" android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    android:paddingBottom="@dimen/activity_vertical_margin"
    tools:context="com.example.ramneekkashyap.app2.ORGANISATIONAdapter">

    <textview android:text="@string/hello_world" android:layout_width="wrap_content">
        android:layout_height="wrap_content" />

</textview></relativelayout>

ROW_ORGANISATION.XML

<linearlayout xmlns:android="http://schemas.android.com/apk/res/android">
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="horizontal" >

    <ImageView
        android:id="@+id/imageView1"
        android:layout_width="100dp"
        android:layout_height="100dp"
        android:src="@drawable/user_profile"
        android:layout_marginLeft="5dp"
        android:layout_marginTop="5dp" />


    <linearlayout>
        android:layout_width="wrap_content"
        android:layout_height="match_parent"
        android:orientation="vertical"
        android:layout_marginLeft="10dp"
        android:gravity="left" >


        <textview>
            android:id="@+id/ORGANISATIONTitle"
            android:layout_width="match_parent"
            android:layout_height="wrap_removed"
            android:text="Header Text"
        android:textSize="19sp"
        android:textColor="#222222"
        android:textStyle="bold" />


        <textview>
            android:id="@+id/textView2"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:text="ORGANISATION body text here"
        android:layout_marginTop="5dp"
        android:ellipsize="end"
        android:lines="3"
        android:textColor="#666666"
        android:textSize="14sp" />


        <textview>
            android:id="@+id/textView3"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:text="20 Nov 2013"
        android:layout_marginTop="5dp"
        android:textColor="#999999"
        android:textSize="12sp" />


    </textview></textview></textview></linearlayout>


</linearlayout>

ACTIVITY_ORGANISATION_LIST.XML

<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"
    android:paddingBottom="@dimen/activity_vertical_margin"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    tools:context="com.example.ramneekkashyap.app2.ORGANISATIONListActivity$PlaceholderFragment" >

    <listview>
        android:id="@+id/list"
        android:layout_width="match_parent"
        android:layout_height="match_parent" >
    </listview>

</relativelayout>

解决方案

PlaceholderFragment" > <listview> android:id="@+id/list" android:layout_width="match_parent" android:layout_height="match_parent" > </listview> </relativelayout>

这篇关于我想为列表视图中的每个列表项创建视图的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！