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创建具有可点击图像的 Gridview，Android

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时间：2020-08-20 09:16:05 　来源:igfitidea点击:

Creating Gridview having clickable images,Android

androidandroid-layoutgridviewandroid-gridview

提问by Harshit Syal

I want to create a gridview having clickable images..

我想创建一个具有可点击图像的网格视图..

When ever an image is clicked a corresponding value will be shown below that grid view.

当单击图像时，相应的值将显示在该网格视图下方。

Design of that grid view should be something like this

该网格视图的设计应该是这样的

The problem I am facing is in designing part, I dont know how to design a grid view like this.. every time I try to do that I get some bad results.. I have no android ui designing experience as of now.

我面临的问题是在设计部分，我不知道如何设计这样的网格视图..每次我尝试这样做时都会得到一些不好的结果..我现在没有android ui设计经验。

Please Help !

请帮忙 ！

回答by Avi Kumar Manku

GridViewis a ViewGroupthat displays items in a two-dimensional, scrollable grid. The grid items are automatically inserted to the layout using a ListAdapter.

GridView是ViewGroup在二维、可滚动网格中显示项目的 。网格项目使用ListAdapter.

For an introduction to how you can dynamically insert views using an adapter, read Building Layouts with an Adapter.

有关如何使用适配器动态插入视图的介绍，请阅读使用适配器构建布局。

http://developer.android.com/guide/topics/ui/declaring-layout.html#AdapterViews

http://developer.android.com/guide/topics/ui/declaring-layout.html#AdapterViews

and These are good GridViewtutorials will help you

这些很好的GridView教程会帮助你

http://www.androidhive.info/2012/02/android-gridview-layout-tutorial/

http://www.androidhive.info/2012/02/android-gridview-layout-tutorial/

http://www.mkyong.com/android/android-gridview-example/

http://www.mkyong.com/android/android-gridview-example/

and

和

http://developer.android.com/guide/topics/ui/layout/gridview.html

http://developer.android.com/guide/topics/ui/layout/gridview.html

回答by Sunil

Try this

尝试这个

  1. Main activity

    public class MainActivity extends AppCompatActivity {
 List<String> list;
   int[] imageId = {
    R.drawable.a,
    R.drawable.b,
    R.drawable.c,
    R.drawable.d,
    R.drawable.e,
    R.drawable.f,
     };
      String[] web = {
    "Google",
    "Github",
    "Instagram",
    "Facebook",
    "Flickr",
    "Pinterest",
    "Quora",
    "Twitter",
    "Vimeo",
    "WordPress",
    "Youtube",
    "Stumbleupon",
    "SoundCloud",
    "Reddit",
    "Blogger"

    } ;
   @Override
   protected void onCreate(Bundle savedInstanceState) {
   super.onCreate(savedInstanceState);
   setContentView(R.layout.activity_main);
   ImageAdapter adapter = new ImageAdapter(MainActivity.this,web, 
   imageId);
    GridView grid=(GridView)findViewById(R.id.grid_view);
   grid.setAdapter(adapter);
  grid.setOnItemClickListener(new AdapterView.OnItemClickListener() {

    @Override
    public void onItemClick(AdapterView<?> parent, View view,
                            int position, long id) {
    }
});

 }
 }

    1. activity_main

                <?xml version="1.0" encoding="utf-8"?>
  <LinearLayout 
 xmlns:android="http://schemas.android.com/apk/res/android"
 xmlns:app="http://schemas.android.com/apk/res-auto"
  xmlns:tools="http://schemas.android.com/tools"
 android:layout_width="match_parent"
 android:layout_height="match_parent"
 tools:context="com.example.mypc.grid.MainActivity">

 <GridView xmlns:android="http://schemas.android.com/apk/res/android"
  android:id="@+id/grid_view"
 android:layout_width="fill_parent"
   android:layout_height="fill_parent"
  android:numColumns="2"
     android:columnWidth="90dp"
  android:horizontalSpacing="10dp"
android:verticalSpacing="10dp"
  android:gravity="center"
  android:stretchMode="columnWidth" >
  </GridView>
  </LinearLayout>

    2. ImageAdapter class

      public class ImageAdapter extends BaseAdapter
{
 private Context mContext;
 private final int[] Imageid;
 private final String[] web;
    public ImageAdapter(Context c,String[] web,int[] Imageid )
  {
   mContext = c;
   this.Imageid = Imageid;
     this.web=web;
}

@Override
public int getCount()
{
     return Imageid.length;
 }
@Override
 public Object getItem(int position)
{
     return position;
  }
  @Override
 public long getItemId(int position)
{
    return 0;
   }
 @Override
 public View getView(int position, View convertView, ViewGroup 
   parent)
  {
     LayoutInflater inflater = (LayoutInflater) 
      mContext.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
      View gridView;
      if (convertView == null)
      {
         gridView = new View(mContext);
         // get layout from mobile.xml
         gridView = inflater.inflate(R.layout.grid_layout, null);
        // set value into textview
        TextView textView = (TextView) 
        gridView.findViewById(R.id.grid_item_label);
        textView.setText(web[position]);
       // set image based on selected text
       ImageView imageView = (ImageView) 
       gridView.findViewById(R.id.grid_item_image);
       imageView.setImageResource(Imageid[position]);
   }
   else
 {
      gridView = (View) convertView;
 }
    return gridView;
 }
}

    3. grid_layout

      <?xml version="1.0" encoding="utf-8"?>
<LinearLayout 
xmlns:android="http://schemas.android.com/apk/res/android"
  android:layout_width="wrap_content"
  android:layout_height="wrap_content"
  android:padding="5dp" >
<ImageView
  android:id="@+id/grid_item_image"
  android:layout_width="100dp"
  android:layout_height="100dp"
  android:layout_marginRight="10dp"
  >
 </ImageView>
 <TextView
    android:id="@+id/grid_item_label"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:text="@+id/label"
    android:layout_marginTop="5px"
    android:textSize="15px" >
   </TextView>

   </LinearLayout>

  1. 主要活动

    public class MainActivity extends AppCompatActivity {
 List<String> list;
   int[] imageId = {
    R.drawable.a,
    R.drawable.b,
    R.drawable.c,
    R.drawable.d,
    R.drawable.e,
    R.drawable.f,
     };
      String[] web = {
    "Google",
    "Github",
    "Instagram",
    "Facebook",
    "Flickr",
    "Pinterest",
    "Quora",
    "Twitter",
    "Vimeo",
    "WordPress",
    "Youtube",
    "Stumbleupon",
    "SoundCloud",
    "Reddit",
    "Blogger"

    } ;
   @Override
   protected void onCreate(Bundle savedInstanceState) {
   super.onCreate(savedInstanceState);
   setContentView(R.layout.activity_main);
   ImageAdapter adapter = new ImageAdapter(MainActivity.this,web, 
   imageId);
    GridView grid=(GridView)findViewById(R.id.grid_view);
   grid.setAdapter(adapter);
  grid.setOnItemClickListener(new AdapterView.OnItemClickListener() {

    @Override
    public void onItemClick(AdapterView<?> parent, View view,
                            int position, long id) {
    }
});

 }
 }

    1. 活动主

                <?xml version="1.0" encoding="utf-8"?>
  <LinearLayout 
 xmlns:android="http://schemas.android.com/apk/res/android"
 xmlns:app="http://schemas.android.com/apk/res-auto"
  xmlns:tools="http://schemas.android.com/tools"
 android:layout_width="match_parent"
 android:layout_height="match_parent"
 tools:context="com.example.mypc.grid.MainActivity">

 <GridView xmlns:android="http://schemas.android.com/apk/res/android"
  android:id="@+id/grid_view"
 android:layout_width="fill_parent"
   android:layout_height="fill_parent"
  android:numColumns="2"
     android:columnWidth="90dp"
  android:horizontalSpacing="10dp"
android:verticalSpacing="10dp"
  android:gravity="center"
  android:stretchMode="columnWidth" >
  </GridView>
  </LinearLayout>

    2. ImageAdapter 类

      public class ImageAdapter extends BaseAdapter
{
 private Context mContext;
 private final int[] Imageid;
 private final String[] web;
    public ImageAdapter(Context c,String[] web,int[] Imageid )
  {
   mContext = c;
   this.Imageid = Imageid;
     this.web=web;
}

@Override
public int getCount()
{
     return Imageid.length;
 }
@Override
 public Object getItem(int position)
{
     return position;
  }
  @Override
 public long getItemId(int position)
{
    return 0;
   }
 @Override
 public View getView(int position, View convertView, ViewGroup 
   parent)
  {
     LayoutInflater inflater = (LayoutInflater) 
      mContext.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
      View gridView;
      if (convertView == null)
      {
         gridView = new View(mContext);
         // get layout from mobile.xml
         gridView = inflater.inflate(R.layout.grid_layout, null);
        // set value into textview
        TextView textView = (TextView) 
        gridView.findViewById(R.id.grid_item_label);
        textView.setText(web[position]);
       // set image based on selected text
       ImageView imageView = (ImageView) 
       gridView.findViewById(R.id.grid_item_image);
       imageView.setImageResource(Imageid[position]);
   }
   else
 {
      gridView = (View) convertView;
 }
    return gridView;
 }
}

    3. 网格布局

      <?xml version="1.0" encoding="utf-8"?>
<LinearLayout 
xmlns:android="http://schemas.android.com/apk/res/android"
  android:layout_width="wrap_content"
  android:layout_height="wrap_content"
  android:padding="5dp" >
<ImageView
  android:id="@+id/grid_item_image"
  android:layout_width="100dp"
  android:layout_height="100dp"
  android:layout_marginRight="10dp"
  >
 </ImageView>
 <TextView
    android:id="@+id/grid_item_label"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:text="@+id/label"
    android:layout_marginTop="5px"
    android:textSize="15px" >
   </TextView>

   </LinearLayout>

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