我試圖進入android開發,我正在瀏覽教程,但我真的堅持在HelloGridView教程,我被蘋果開發人員包圍,所以沒有任何人有任何Android的經驗問!Gridview教程問題
我試圖做的HelloGridView教程,我得到17錯誤,但不能看到我哪裏錯了?!?我有一種感覺,我錯過了一個圖書館或什麼?!?
正如我有這麼多的錯誤,我並不能解決我已經採取了截圖: http://users.cscs.wmin.ac.uk/~w1128683/help/Untitled.jpeg
問題在哪裏在HelloGridView和ImageAdapter類:
HelloGridView類:
package com.example.HelloGridView;
import android.app.Activity;
import android.os.Bundle;
public class HelloGridView extends Activity {
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
GridView gridview = (GridView) findViewById(R.id.gridview);
gridview.setAdapter(new ImageAdapter(this));
gridview.setOnItemClickListener(new OnItemClickListener() {
public void onItemClick(AdapterView<?> parent, View v, int position, long id) {
Toast.makeText(HelloGridView.this, "" + position, Toast.LENGTH_SHORT).show();
}
});
}
ImageAdapter class:
package com.example.HelloGridView;
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;
}
// create a new ImageView for each item referenced by the Adapter
public View getView(int position, View convertView, ViewGroup parent) {
ImageView imageView;
if (convertView == null) { // if it's not recycled, initialize some attributes
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;
}
// references to our images
private Integer[] mThumbIds = {
R.drawable.sample_2, R.drawable.sample_3,
R.drawable.sample_4, R.drawable.sample_5,
R.drawable.sample_6, R.drawable.sample_7,
R.drawable.sample_0, R.drawable.sample_1,
R.drawable.sample_2, R.drawable.sample_3,
R.drawable.sample_4, R.drawable.sample_5,
R.drawable.sample_6, R.drawable.sample_7,
R.drawable.sample_0, R.drawable.sample_1,
R.drawable.sample_2, R.drawable.sample_3,
R.drawable.sample_4, R.drawable.sample_5,
R.drawable.sample_6, R.drawable.sample_7
};
}
如果有人能告訴我我哪裏出錯了,或者至少讓我指向正確的方向,那將非常感謝!
ahh我以爲是這樣的。 下一次我會嘗試使用普通的場景,而不是按照教程來寫信!感謝您的幫助雅各布非常感謝! – Exile 2010-07-18 16:51:54
沒問題,就像下面的bevor說的,只要按ctrl + shift + o和eclipse就可以做所有必要的進口 – 2010-07-18 16:53:08