GridView AutoCompleteTextView Spinnner

GridView。

<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">    <GridView        android:id="@+id/gridView"        android:layout_width="match_parent"        android:layout_height="match_parent"        android:numColumns="4"></GridView></RelativeLayout>

<?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"    android:gravity="center_horizontal">    <ImageView        android:id="@+id/image"        android:layout_width="80dp"        android:layout_height="80dp"        android:src="@mipmap/ic_launcher"/>    <TextView        android:id="@+id/textview"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:text="名字" /></LinearLayout>

public class Fruit {    private int  img;    private String text;    public Fruit(int img,String text){        this.img=img;        this.text=text;    }    public void setImg(int img) {        this.img = img;    }    public void setText(String text) {        this.text = text;    }    public int getImg() {        return img;    }    public String getText() {        return text;    }}

public class FruitAdapter extends BaseAdapter {    private LayoutInflater mInflater;    private List<Fruit>  mFruits;    public FruitAdapter(LayoutInflater inflaterr,List<Fruit> mData){        this.mInflater=inflaterr;        this.mFruits=mData;    }    @Override    public int getCount() {        return mFruits.size();    }    @Override    public Object getItem(int position) {        return  position;    }    @Override    public long getItemId(int position) {        return position;    }    @Override    public View getView(int position, View convertView, ViewGroup parent) {        ViewHolder vh=null;        if (convertView==null){            convertView=mInflater.inflate(R.layout.fruit_activity,null);            vh=new ViewHolder();            vh.imageView= (ImageView) convertView.findViewById(R.id.image);            vh.textView= (TextView) convertView.findViewById(R.id.textview);            convertView.setTag(vh);//把vh放在标签中        }else{            vh=(ViewHolder)convertView.getTag();//当屏幕向上滑动是直接把标签拿来使用        }        Fruit fruit=mFruits.get(position);        vh.imageView.setImageResource(fruit.getImg());        vh.textView.setText(fruit.getText());        return convertView;    }    class ViewHolder{        ImageView imageView;        TextView textView;    }}

public class MainActivity extends AppCompatActivity {    private LayoutInflater mInfalter;    private List<Fruit> mData;    private GridView mGrid;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        mGrid= (GridView) findViewById(R.id.gridView);        mInfalter=getLayoutInflater();        initData();        FruitAdapter adapter=new FruitAdapter(mInfalter,mData);        mGrid.setAdapter(adapter);    }    private void initData() {        mData=new ArrayList<>();        for (int i=0;i<10;i++) {            Fruit fruit1 = new Fruit(R.mipmap.apple, "苹果");            Fruit fruit2 = new Fruit(R.mipmap.grape, "葡萄");            Fruit fruit3 = new Fruit(R.mipmap.bananer, "香蕉");            Fruit fruit4 = new Fruit(R.mipmap.caomei, "草莓");            mData.add(fruit1);            mData.add(fruit2);            mData.add(fruit3);        }    }

AutoCompleteTextView

<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">   <AutoCompleteTextView       android:id="@+id/autocomplete"       android:layout_width="match_parent"       android:layout_height="wrap_content" /></RelativeLayout>

public class MainActivity extends AppCompatActivity {    private AutoCompleteTextView mAuto;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        mAuto= (AutoCompleteTextView) findViewById(R.id.autocomplete);        String [] array={"google","googleMap","Google","googleSing","goolescanner"};        ArrayAdapter<String> adapter=new ArrayAdapter<String>(this,android.R.layout.simple_list_item_1,array);        mAuto.setAdapter(adapter);    }

Spinnner

<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">   <Spinner       android:id="@+id/spinner"       android:layout_width="match_parent"       android:layout_height="wrap_content">   </Spinner></RelativeLayout>

public class MainActivity extends AppCompatActivity {    private Spinner mSpinnr;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);       mSpinnr= (Spinner) findViewById(R.id.spinner);        String [] array={"google","googleMap","Google","googleSing","goolescanner","中国","美国","日本"};        ArrayAdapter<String> adapter=new ArrayAdapter<String>(this,android.R.layout.simple_list_item_1,array);        mSpinnr.setAdapter(adapter);    }