问题描述
限时送ChatGPT账号..我创建了类 textViewTable 在这个类中,我正在保存与我想传递给下一个活动的 TextViews 相关的数据.
I have created the class textViewTable In this class i am saving data related to TextViews That I want to Pass to Next Activity.
public class TextViewTable implements Serializable {
private String FONT;
private String TEXT;
private float TEXT_SIZE;
private ColorStateList TEXT_COLOR;
private float MARGIN_TOP;
private float MARGIN_BOTTOM;
private float MARGIN_LEFT;
private float MARGIN_RIGHT;
private Boolean BoldFlag;
private Boolean ItalicFlag;
private Boolean NormalFlag;
public TextViewTable(){
}
public TextViewTable(String FONT, String TEXT, float TEXT_SIZE, ColorStateList TEXT_COLOR, float MARGIN_TOP, float MARGIN_BOTTOM, float MARGIN_LEFT, float MARGIN_RIGHT, Boolean boldFlag, Boolean italicFlag, Boolean normalFlag) {
this.FONT = FONT;
this.TEXT = TEXT;
this.TEXT_SIZE = TEXT_SIZE;
this.TEXT_COLOR = TEXT_COLOR;
this.MARGIN_TOP = MARGIN_TOP;
this.MARGIN_BOTTOM = MARGIN_BOTTOM;
this.MARGIN_LEFT = MARGIN_LEFT;
this.MARGIN_RIGHT = MARGIN_RIGHT;
BoldFlag = boldFlag;
ItalicFlag = italicFlag;
NormalFlag = normalFlag;
}
}
从我的活动中,我想发送 TextViewTable 类的对象的 ArrayList.我已经使用下面的函数来发送 ArrayList.但每次我都收到空指针异常.请帮忙解决这个问题.
From my activit i want to send ArrayList of Objects of TextViewTable class. I have use the below function to send the ArrayList. But every time I am getting null pointer exception. Please Help to solve this.
public void onClick(View view)
{
Intent intent = new Intent(getApplicationContext(), displayImage.class);
Bundle bundleObject = new Bundle();
bundleObject.putSerializable("key", textViewsData);
intent.putExtras(bundleObject);
try {
startActivity(intent);
}catch (Exception e){
System.out.println(e);
}
}
};
推荐答案
你可以按照 ρяσSYρєя K 的回答或者你也可以像下面的代码那样做:
you can follow ρяσѕρєя K's answer OR also you can do like below code:
public class GeneralClass{
public static ArrayList<TextViewTable> data = new ArrayList<TextViewTable>();
}
然后您可以在第一个活动中将数据存储在上面的数组列表中,如下所示:
and then you can store your data in above arraylist on first activity like below:
Collections.copy(GeneralClass.data,textViewsData);
现在您可以在第二个活动中使用 GeneralClass.data 数组列表;
and now you can use GeneralClass.data arraylist in your second activity;
这篇关于如何将自定义对象的 ArrayList 传递给新活动?的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!
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