我的程序顯示一個水平滑動的按鈕行,其中包含藝術品的文字說明。單擊按鈕時,ImageActivity啓動以顯示相應的藝術作品。當我點擊任何文本按鈕時,它總是顯示數組中最後一幅作品。沒有通過PutExtra的正確整數
我想通過一個int ID到第二個活動,以便它會顯示正確的繪畫,一旦它的相應的描述被點擊。
謝謝!
這裏是我的MainActivity:
import android.content.Intent;
import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.LinearLayout;
public class MainActivity extends Activity {
//CONTAINING PAINTINGS
private LinearLayout mLinearList;
private String id;
private Painting painting;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_my);
//REFERENCE THE SCROLLABLE LAYOUT STRUCTURE IN MAIN_SCREEN.XML
mLinearList = (LinearLayout) findViewById(R.id.linearList);
//FILL THE SCROLLABLE LAYOUT STRUCTURE WITH PAINTINGS
fillTextCarousel();
}
private void fillTextCarousel() {
// POPULATE THE LINEAR LIST CAROUSEL WITH PAINTINGS AND DESCRIPTIONS
Button buttonItem;
for (int i = 0; i < RenaissanceDatabase.description.length; i++) {
//STORE THE INDIVIDUAL PAINTINGS AS BUTTONS
buttonItem = new Button(this);
painting = new Painting(RenaissanceDatabase.description[i], RenaissanceDatabase.id[i]);
//USE THE CONTENT DESCRIPTION PROPERTY TO STORE
//PAINTING DATA
buttonItem.setContentDescription(painting.getDescription());
buttonItem.setText(painting.getDescription());
//SET AN ONCLICK LISTENER FOR THE TEXT BUTTON
buttonItem.setOnClickListener(displayPainting);
//ADD THE IMAGE BUTTON TO THE SCROLLABLE LINEAR LIST
mLinearList.addView(buttonItem);
}
}
private View.OnClickListener displayPainting = new View.OnClickListener() {
public void onClick(View btn) {
// COLLECT THE IMAGE STORED FOR THE PAINTING
//String Painting_ID = Integer.toString(painting.getId());
Intent imgIntent = new Intent(getApplicationContext(), ImageActivity.class);
imgIntent.setAction(imgIntent.ACTION_SEND);
imgIntent.putExtra("image_id", painting.getId());
startActivity(imgIntent);
}
};
我ImageActivity,我想傳遞一個整數ID到:
public class ImageActivity extends Activity {
private Painting painting;
private int index;
private int[] IDs;
private String[] Desc;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_my);
Intent objIntent = getIntent();
int ID_Val = objIntent.getIntExtra("image_id", 0);
ImageView art = (ImageView) findViewById(R.id.imageView2);
art.setImageResource(ID_Val);
}
}
與塗裝數據庫,我要帶哪些取自以下ID:
public class RenaissanceDatabase {
public static String description[] = {
"Venus of Urbino\nTitan, 1538",
"St. John the Baptist\nLeonardo da Vinci, 1516",
"Protrait of Baldassare Castiglione\nRaphael, 1515",
"The Entombent of Christ\nCaravaggio, 1603",
"Coronation of the Virgin\nFra Angelico, 1435",
"Mars and Venus\n Sandro Bottcelli, 1483"};
public static int id[] = {
R.drawable.painting1, // VENUS OF URBINO
R.drawable.painting2, // ST.JOHN BAPTIST
R.drawable.painting3, // BALDASSARE
R.drawable.painting4, // ENTOMBENT OF CHRIST
R.drawable.painting5, // CORONOATION
R.drawable.painting6 // MARS AND VENUS
};
}
你會得到一個你問的問題的答案,但你應該真的使用ViewPager,使你的意見得到回收 – CQM