Android Studio erro na classe AdapterImage , não reconhecida

mbrainiac
(usa Debian)

Enviado em 29/12/2016 - 17:39h

Pessoal estou com um problema

a classe ImageAdapter.java não é reconhecida na classe MainActivity.java, fica vermelha, único erro.
Sou iniciante no Android e estou emperrado

package com.example.brainiac.olalayoutemgrade;



import android.support.v7.app.AppCompatActivity;

import android.os.Bundle;

import android.view.View;

import android.widget.AdapterView;

import android.widget.AdapterView.OnItemClickListener;

import android.widget.GridView;

import android.widget.ListAdapter;

import android.widget.Toast;



public class MainActivity extends AppCompatActivity {



    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);



        GridView gridview = (GridView) findViewById(R.id.gridview);

        gridview.setAdapter(new ImageAdapter(this));



        gridview.setOnItemClickListener(new AdapterView.OnItemClickListener() {

            @Override

            public void onItemClick(AdapterView<?> adapterView, View view, int i, long l) {

                String position = null;

                Toast.makeText(

                        MainActivity.this, "" + position, Toast.LENGTH_SHORT).show();

            }

        });





    }

}



 

import android.content.Context;

import android.view.View;

import android.view.ViewGroup;

import android.widget.BaseAdapter;

import android.widget.GridView;

import android.widget.ImageView;



import com.example.brainiac.olalayoutemgrade.R;



/**

 * Created by brainiac on 29/12/16.

 */



public class ImageAdapter extends BaseAdapter {



    private Context mContext;



    public ImageAdapter(Context c) {

        mContext = c;

    }



    public int getCount() {

        return mThumbIds.length;

    }



    public Object getItem(int position) {

        return null;

    }



    public long getItemId(int position) {

        return 0;

    }



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

        ImageView imageView;

        if (convertView == null) {

            imageView = new ImageView(mContext);

            imageView.setLayoutParams(new GridView.LayoutParams(85, 85));

            imageView.setScaleType(ImageView.ScaleType.CENTER_CROP);

            imageView.setPadding(8, 8, 8, 8);

        } else {

            imageView = (ImageView) convertView;

        }



        imageView.setImageResource(mThumbIds[position]);

        return imageView;

    }



    private Integer[] mThumbIds = {

            R.drawable.android_nerd, R.drawable.baby_android,

            R.drawable.business_android, R.drawable.flame_android,

            R.drawable.girl_android, R.drawable.ninja_android,

            R.drawable.super_android, R.drawable.tablet_android,

            R.drawable.ufo_android, R.drawable.walle_android

    };

}



 

ActivityMain.xml



[code]

<?xml version="1.0" encoding="utf-8"?>

<GridView xmlns:android="http://schemas.android.com/apk/res/android"

    xmlns:tools="http://schemas.android.com/tools"

    android:id="@+id/gridview"

    android:layout_width="fill_parent"

    android:layout_height="fill_parent"

    android:columnWidth="90dp"

    android:numColumns="auto_fit"

    android:verticalSpacing="10dp"

    android:horizontalSpacing="10dp"

    android:stretchMode="columnWidth"

    android:gravity="center"  />