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[英]The method putExtra(String, boolean) in the type Intent is not applicable for the arguments (String, CarouselDataItem)
[英]Converting textView to Boolean to avoid: The method putExtra(String, boolean) in the type Intent is not applicable for the arguments
我在eclipse聲明中遇到錯誤:Intent類型中的方法putExtra(String,boolean)不適用於參數(String,TextView)
我相信我需要將textView更改為布爾值,但是當我嘗試這樣做時 - 會導致其他錯誤發生。 在以下場景中避免此錯誤的最佳方法是什么:
public class CustomListViewAdapter extends ArrayAdapter<Cmd> {
Activity context;
List<Cmd> videos;
public CustomListViewAdapter(Activity context, List<Cmd> videos) {
super(context, R.layout.list_item2, videos);
this.context = context;
this.videos = videos;
}
/* private view holder class */
private class ViewHolder {
ImageView imageView;
TextView txtSuccess;
TextView txtCmd;
TextView txtPrice;
}
public void run() {
Intent intent = new Intent(context, ViewVideo.class);
ViewHolder holder;
intent.putExtra("videofilename", holder.txtCmd);
context.startActivity(intent);
}
public Cmd getItem(int position) {
return videos.get(position);
}
public View getView(int position, View convertView, ViewGroup parent) {
ViewHolder holder;
LayoutInflater inflater = context.getLayoutInflater();
if (convertView == null) {
convertView = inflater.inflate(R.layout.list_item2, null);
holder = new ViewHolder();
holder.txtSuccess = (TextView) convertView
.findViewById(R.id.success);
holder.txtCmd = (TextView) convertView.findViewById(R.id.cmd);
holder.txtPrice = (TextView) convertView.findViewById(R.id.price);
holder.imageView = (ImageView) convertView
.findViewById(R.id.thumbnail);
convertView.setTag(holder);
} else {
holder = (ViewHolder) convertView.getTag();
}
Cmd cmd = (Cmd) getItem(position);
holder.txtSuccess.setText(cmd.getVideoName());
holder.txtSuccess.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
run();
}
});
holder.txtCmd.setText(cmd.getCmd());
holder.txtCmd.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
run();
}
});
holder.txtPrice.setText(cmd.getVideoURL() + "");
holder.txtPrice.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
run();
}
});
holder.imageView.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
run();
}
});
return convertView;
}
}
public void run(String txt) {
Intent intent = new Intent(context, ViewVideo.class);
intent.putExtra("videofilename",txt);
context.startActivity(intent);
}
並在獲取視圖:
final Cmd cmd = (Cmd) getItem(position);
並在onclick:
run(cmd.getCmd());
The method putExtra(String, boolean) in the type Intent is not applicable for the arguments (String, TextView)
public Intent putExtra (String name, boolean value)
name是鍵,值是boolean。 所以它需要一個布爾值。
我不認為你想要布爾。 我想你想把textview中的文本傳遞給另一個活動
看@
http://developer.android.com/reference/android/content/Intent.html
您可以使用View
對象v
holder.txtCmd.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
TextView tv =(TextView)v; // cast to textview
Intent intent = new Intent(context, ViewVideo.class);
intent.putExtra("videofilename", tv.getText().toString());
// use getText to get the text from textview
context.startActivity(intent);
}
});
或者您可以在視圖上使用setTag
和getTag
那個部分:
ViewHolder holder;
intent.putExtra("videofilename", holder.txtCmd);
不會給你任何東西,holder.txtCmd.getText不會返回文件名,而是可以使用函數run(String filename)作為參數傳遞文件名。 然后,您將能夠直接將其作為文本傳遞。
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