File Picker

//Add This on Build dependencies { compile 'com.github.angads25:filepicker:1.1.1' } //Add Import file import com.github.angads25.filepicker.model.DialogProperties; import com.github.angads25.filepicker.model.DialogConfigs; import com.github.angads25.filepicker.view.FilePickerDialog; import com.github.angads25.filepicker.controller.DialogSelectionListener; //Add on File Chooser DialogProperties properties = new DialogProperties(); properties.selection_mode = DialogConfigs.SINGLE_MODE; properties.selection_type = DialogConfigs.FILE_SELECT; properties.root = new java.io.File(DialogConfigs.DEFAULT_DIR); properties.error_dir = new java.io.File(DialogConfigs.DEFAULT_DIR); properties.offset = new java.io.File(DialogConfigs.DEFAULT_DIR); properties.extensions = null; final FilePickerDialog dialog = new FilePickerDialog(MainActivity.this,properties); dialog.setTitle("Select a File"); dialog.setDialogSelectionListener(new DialogSelectionListener() { @Override public void onSelectedFilePaths(String[] files) { //files is the array of the paths of files selected by the Application User. showMessage(files[0]); } }); dialog.show(); //Done and test //Multi Choice: MULTI_MODE //Path Select: DIR_SELECT //Default Root: "/sdcard" //use extention private int countCommas(String fextension) { int count = 0; for(char ch:fextension.toCharArray()) { if(ch==',') { count++; } } return count; } String fextension = "txt,pdf"; if(fextension.length()>0) { int commas = countCommas(fextension); String[] exts = new String[commas + 1]; StringBuffer buff = new StringBuffer(); int i = 0; for (int j = 0; j < fextension.length(); j++) { if (fextension.charAt(j) == ',') { exts[i] = buff.toString(); buff = new StringBuffer(); i++; } else { buff.append(fextension.charAt(j)); } } exts[i] = buff.toString(); properties.extensions=exts; } else { properties.extensions=null; }