无法运行,请问哪里出错了?
package com.ash.gridview;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.widget.GridView;
import android.widget.SimpleAdapter;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
public class MainActivity extends AppCompatActivity {
private GridView gridView;
private List<Map<String, Object>> dataList;
private int[] icon = {R.drawable.on2, R.drawable.on2, R.drawable.on2
, R.drawable.on2, R.drawable.on2, R.drawable.on2, R.drawable.on2, R.drawable.on2,};
private String[] iconName = {"1", "2", "3", "4", "5", "6", "7", "8"};
private SimpleAdapter adapter;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
// setContentView(R.layout.activity_main);
setContentView(R.layout.main);
getData();
gridView = (GridView) findViewById(R.id.gridview);
dataList = new ArrayList<Map<String, Object>>();
adapter = new SimpleAdapter(this, getData(), R.layout.tem, new String[]{"image", "text"}
, new int[]{R.id.image, R.id.text});
gridView.setAdapter(adapter);
}
private List<Map<String, Object>> getData() {
Map<String, Object> map = new HashMap<String, Object>();
for (int i = 0; i < icon.length; i++) {
map.put("image", icon[i]);
map.put("text", iconName[i]);
dataList.add(map);
}
return dataList;
}
}
build.gradle
defaultConfig {
applicationId "com.ash.gridview"
minSdkVersion 16
targetSdkVersion 23
versionCode 1
versionName "1.0"
}运行手机 API 16 ,请问哪里出问题了?
