如何使用文本图像动态填充Android微调

这是我想要实现的,我能够实现这一点：

我能够将文本和图像添加到Spinner,但图像没有显示在文本旁边的下拉菜单中.它只显示了微调器的选定项目.

这是我的代码：

spinner_layout.xml
包含主Spinner的布局.

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical" >

    <Spinner android:id="@+id/mySpinner"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"/>

</LinearLayout>

spinner_value_layout.xml
Spinner中元素的布局.这将使用适配器充气.

<?xml version="1.0" encoding="utf-8"?>
<TableLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent" 
    android:orientation="vertical">

    <TableRow
        android:layout_width="match_parent"
        android:layout_height="match_parent" >

        <TextView
            android:id="@+id/spinnerTextView"
            android:layout_width="match_parent"
            android:layout_height="match_parent" />

        <ImageView 
            android:id="@+id/spinnerImages"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:contentDescription="@string/app_name"/>"

    </TableRow>

</TableLayout>

SpinnerActivity.java

package com.example.spinner;

import android.app.Activity;
import android.os.Bundle;
import android.widget.ImageView;
import android.widget.Spinner;
import android.widget.TextView;

import com.example.tempspinner.R;

public class SpinnerActivity extends Activity {

    String[] textArray = { "clouds","mark","techcrunch","times" };
    Integer[] imageArray = { R.drawable.clouds,R.drawable.mark,R.drawable.techcrunch,R.drawable.times };

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        // TODO Auto-generated method stub
        super.onCreate(savedInstanceState);

        setContentView(R.layout.spinner_layout);

        TextView text = (TextView) findViewById(R.id.spinnerTextView);
        ImageView imageView =(ImageView)findViewById(R.id.spinnerImages);
        Spinner spinner = (Spinner) findViewById(R.id.mySpinner);

        SpinnerAdapter adapter = new SpinnerAdapter(this,R.layout.spinner_value_layout,textArray,imageArray);
        spinner.setAdapter(adapter);

    }

}

SpinnerAdapter.java

package com.example.spinner;

import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.ImageView;
import android.widget.TextView;

import com.example.tempspinner.R;

public class SpinnerAdapter extends ArrayAdapter<String> {

    private Context ctx;
    private String[] contentArray;
    private Integer[] imageArray;

    public SpinnerAdapter(Context context,int resource,String[] objects,Integer[] imageArray) {
        super(context,R.id.spinnerTextView,objects);
        this.ctx = context;
        this.contentArray = objects;
        this.imageArray = imageArray;
    }


    @Override
    public View getView(int position,View convertView,ViewGroup parent) {

        if (convertView == null) {
            LayoutInflater inflater = (LayoutInflater) ctx.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
            convertView = inflater.inflate(R.layout.spinner_value_layout,null);

        }

        TextView textView = (TextView) convertView.findViewById(R.id.spinnerTextView);
        textView.setText(contentArray[position]);

        ImageView imageView = (ImageView)convertView.findViewById(R.id.spinnerImages);
        imageView.setImageResource(imageArray[position]);

        return convertView;

    }

}

解决方法

尝试这个..

public class SpinnerAdapter extends ArrayAdapter<String> {

    private Context ctx;
    private String[] contentArray;
    private Integer[] imageArray;

    public SpinnerAdapter(Context context,objects);
        this.ctx = context;
        this.contentArray = objects;
        this.imageArray = imageArray;
    }

    @Override
    public View getDropDownView(int position,ViewGroup parent) {
        return getCustomView(position,convertView,parent);
    }

    @Override
    public View getView(int position,ViewGroup parent) {
       return getCustomView(position,parent);
    }

    public View getCustomView(int position,ViewGroup parent) {

        LayoutInflater inflater = (LayoutInflater)ctx.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
        View row = inflater.inflate(R.layout.spinner_value_layout,parent,false);

        TextView textView = (TextView) row.findViewById(R.id.spinnerTextView);
        textView.setText(contentArray[position]);

        ImageView imageView = (ImageView)row.findViewById(R.id.spinnerImages);
        imageView.setImageResource(imageArray[position]);

        return row;    
    }    
}

原文链接：https://www.f2er.com/android/310020.html

如何使用文本图像动态填充Android微调

解决方法

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