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  • 1月30日 GridViewActivity

    GridViewActivity

    package com.example.firstapp.gridview;
    
    import android.os.Bundle;
    import android.view.View;
    import android.widget.AdapterView;
    import android.widget.GridView;
    import android.widget.Toast;
    
    import androidx.annotation.Nullable;
    import androidx.appcompat.app.AppCompatActivity;
    
    import com.example.firstapp.R;
    
    public class GridViewActivity extends AppCompatActivity {
    
        private GridView mGv;
    
        @Override
        protected void onCreate(@Nullable Bundle savedInstanceState) {
            super.onCreate(savedInstanceState);
            setContentView(R.layout.activity_gridview);
            mGv =findViewById(R.id.gv);
            mGv.setAdapter(new MyGridViewAdapter(GridViewActivity.this));
            mGv.setOnItemClickListener(new AdapterView.OnItemClickListener() {
                @Override
                public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
                    Toast.makeText(GridViewActivity.this,"点击 pos:"+position,Toast.LENGTH_SHORT).show();
                }
            });
            mGv.setOnItemLongClickListener(new AdapterView.OnItemLongClickListener() {
                @Override
                public boolean onItemLongClick(AdapterView<?> parent, View view, int position, long id) {
                    Toast.makeText(GridViewActivity.this,"长按 pos:"+position,Toast.LENGTH_SHORT).show();
                    return true;
                }
            });
        }
    }
    

      

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  • 原文地址:https://www.cnblogs.com/dty602511/p/14859644.html
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