java android如何在适配器内调用startActivityForResult
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android how to call startActivityForResult inside an adapter
提问by user2059935
I have an adapter class :
我有一个适配器类：
public class AdapterAllAddress extends BaseExpandableListAdapter {
private Context context;
public AdapterAllAddress(Context context,
ArrayList<AllAddressesGroup> groups) {
// TODO Auto-generated constructor stub
this.context = context;
}
}
I want to call startActivityForResultwhen a button click , I know I can call startActivitylike this:
我想在startActivityForResult单击按钮时调用，我知道我可以这样调用startActivity：
context.startActivity()
but i am looking for activity with results, how please ?
但我正在寻找有结果的活动，请问如何？
回答by William Kinaan
yourButton.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
Intent intent = new Intent(context, YourNewActivity.class);
((Activity) context).startActivityForResult(intent, resultCode);
}
});
回答by katmanco
I just wanted to point a detail which i faced in my case E/ActivityThread(31584): Performing stop of activity that is not resumed: {com.example.test/activities.MainActivity}most probably you are passing getApplicationContext() to the adapter's constructor . In order to avoid this you must provide "CallingActivity.this" to the adapter's constructor as the contextobject , keep this in mind .
我只是想指出我在E/ActivityThread(31584) 中遇到的一个细节 ：执行未恢复的活动停止：{com.example.test/activities.MainActivity}很可能你正在将 getApplicationContext() 传递给适配器的构造函数。为了避免这种情况，您必须将“ CallingActivity.this”作为上下文对象提供给适配器的构造函数，请记住这一点。
