单击recyclerView时打开文件(pdf,mp3,mp4,...) [英] open files (pdf , mp3 , mp4 , ...) when Clicking on the recyclerView
本文介绍了单击recyclerView时打开文件(pdf,mp3,mp4,...)的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我有一个RecyclerView,它显示了应用目录中存在的文件列表.现在,当用户单击特定行时,该文件将打开.
I have a RecyclerView that shows the list of files exist in the app directory . Now, when user click on a particular row , that file will open.
这是我的RecyclerView的屏幕截图:
This is the Screenshot of my RecyclerView :
这是我的适配器代码的viewHolder:
This is The viewHolder of my Adapter code :
// =========================== ViewHolder ==========================
public class ViewHolder extends RecyclerView.ViewHolder implements View.OnClickListener {
private TextView txtTitle;
private ImageView imgDelete;
public ViewHolder(View itemView) {
super(itemView);
itemView.setOnClickListener(this);
txtTitle = (TextView) itemView.findViewById(R.id.txt_file_title);
imgDelete = (ImageView) itemView.findViewById(R.id.img_delete_row_show);
}
@Override
public void onClick(View v) {
Toast.makeText(v.getContext(), txtTitle.getText(), Toast.LENGTH_SHORT).show();
//?????
}
}
推荐答案
This is the Best Solution for this work , (Source)
// =========================== ViewHolder ==========================
public class ViewHolder extends RecyclerView.ViewHolder implements View.OnClickListener {
private TextView txtTitle;
private ImageView imgDelete;
public ViewHolder(View itemView) {
super(itemView);
itemView.setOnClickListener(this);
txtTitle = (TextView) itemView.findViewById(R.id.txt_file_title);
imgDelete = (ImageView) itemView.findViewById(R.id.img_delete_row_show);
}
@Override
public void onClick(View v) {
String selectedFilePath = Environment.getExternalStorageDirectory().getAbsolutePath() + "/Android/data/my.package.name/files/downloaded/" + txtTitle.getText().toString();
File file = new File(selectedFilePath);
try {
FileOpen.openFile(v.getContext(),file);
} catch (IOException e) {
e.printStackTrace();
}
}
}
这是用于处理所有格式的Helper类:
And This is the Helper class for handling all formats :
public class FileOpen {
public static void openFile(Context context, File url) throws IOException {
// Create URI
File file=url;
Uri uri = Uri.fromFile(file);
Intent intent = new Intent(Intent.ACTION_VIEW);
// Check what kind of file you are trying to open, by comparing the url with extensions.
// When the if condition is matched, plugin sets the correct intent (mime) type,
// so Android knew what application to use to open the file
if (url.toString().contains(".doc") || url.toString().contains(".docx")) {
// Word document
intent.setDataAndType(uri, "application/msword");
} else if(url.toString().contains(".pdf")) {
// PDF file
intent.setDataAndType(uri, "application/pdf");
} else if(url.toString().contains(".ppt") || url.toString().contains(".pptx")) {
// Powerpoint file
intent.setDataAndType(uri, "application/vnd.ms-powerpoint");
} else if(url.toString().contains(".xls") || url.toString().contains(".xlsx")) {
// Excel file
intent.setDataAndType(uri, "application/vnd.ms-excel");
} else if(url.toString().contains(".zip") || url.toString().contains(".rar")) {
// WAV audio file
intent.setDataAndType(uri, "application/x-wav");
} else if(url.toString().contains(".rtf")) {
// RTF file
intent.setDataAndType(uri, "application/rtf");
} else if(url.toString().contains(".wav") || url.toString().contains(".mp3")) {
// WAV audio file
intent.setDataAndType(uri, "audio/x-wav");
} else if(url.toString().contains(".gif")) {
// GIF file
intent.setDataAndType(uri, "image/gif");
} else if(url.toString().contains(".jpg") || url.toString().contains(".jpeg") || url.toString().contains(".png")) {
// JPG file
intent.setDataAndType(uri, "image/jpeg");
} else if(url.toString().contains(".txt")) {
// Text file
intent.setDataAndType(uri, "text/plain");
} else if(url.toString().contains(".3gp") || url.toString().contains(".mpg") || url.toString().contains(".mpeg") || url.toString().contains(".mpe") || url.toString().contains(".mp4") || url.toString().contains(".avi")) {
// Video files
intent.setDataAndType(uri, "video/*");
} else {
//if you want you can also define the intent type for any other file
//additionally use else clause below, to manage other unknown extensions
//in this case, Android will show all applications installed on the device
//so you can choose which application to use
intent.setDataAndType(uri, "*/*");
}
intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
context.startActivity(intent);
}
}
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