How to extract text from pdf document using MuPDF in Android
I am trying to extract text from a PDF file using MuPDF library on Android platform.
Is it possible to extract text into a rectangle given by coordinates (left, top, right, bottom)?
Note. I didn't compile the library from source. I am using the compiled libraries that are distributed at https://github.com/libreliodev/android .
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2 answers
Yes, of course this is how you can do it.
1.GeneratedText Activity
public class GeneratedText extends Activity {
private Button close;
private Button clear;
private TextView tv;
private String data;
String text = "";
Intent i;
Context mContext;
// MuPDFPageView pdfview = new MuPDFPageView(mContext, null, null);
private EditText edit;
private Button undo;
public static GeneratedText screen;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_generated_text);
close = (Button)findViewById(R.id.close);
clear = (Button)findViewById(R.id.clear);
tv = (TextView)findViewById(R.id.text1);
edit = (EditText)findViewById(R.id.edit);
undo = (Button)findViewById(R.id.undo);
undo.setEnabled(false);
i = getIntent();
data = i.getStringExtra("data");
tv.setText(data);
String mypattern = "Name and address of the Employee \n";
Pattern p = Pattern.compile(mypattern,Pattern.DOTALL);
if(data.matches(mypattern))
{
System.out.println("Start Printing name");
}
else
//do nothing
edit.setText(data);
System.out.println("hello user "+"/n"+"user1"+ "\n"+ "user2");
SharedPreferences pref = getSharedPreferences("key", 0);
SharedPreferences.Editor editor = pref.edit();
editor.putString("text", data);
editor.commit();
clear.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
tv.setText("");
edit.setText("");
undo.setEnabled(true);
}
});
close.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
finish();
}
});
undo.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
String value = "";
SharedPreferences pref = getSharedPreferences("key", 0);
value = pref.getString("text", value);
edit.setText(value);
tv.setText(value);
undo.setEnabled(false);
}
});
}
}
1.now in mupdfactivity write this
public void Showtext( )
{
destroyAlertWaiter();
core.stopAlerts();
MuPDFPageView pdfview = new MuPDFPageView(MuPDFActivity.this, core, null);
String data = "";
pdfview.setFocusable(true);
data = pdfview.getSelectedText();
Intent i = new Intent(getApplicationContext(),GeneratedText.class);
i.putExtra("data",data);
startActivity(i);
}
Showtext call on OnAcceptButtonClick
and you will get the text.
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