Snippnets for opening differnt Dialog's in android

DialogExamples.java

public class DialogExamples{

    private ArrayList<Integer> mSelectedDays;
    
    public DialogExamples(){
      super();
    }

    //Alert dialog example
    public void alert(String message) {
  		AlertDialog.Builder bld = new AlertDialog.Builder(HomeActivity.this);
  		bld.setMessage(message);
  		bld.setNeutralButton("OK", null);
  		Logcat.d(TAG, "Showing alert dialog: " + message);
  		bld.create().show();
  	}
  	
     //Alert dialog with center message
     public void alertCenterMessage(String message) {
		
		
  		AlertDialog.Builder bld = new AlertDialog.Builder(LoginActivity.this);
  		bld.setMessage(message);
  		//bld.create();
  		bld.setNeutralButton("OK", null);
  		
  		AlertDialog dialog = bld.show();
  		TextView messageText = (TextView)dialog.findViewById(android.R.id.message);
  		messageText.setGravity(Gravity.CENTER);
  		
  		dialog.show();
  		
  	}
   
    //Choose item from list
    private void openActionDialog() {
		
  		List<String> list = Arrays.asList("Add","Delete");
  		
  		final CharSequence[] items = list.toArray(new CharSequence[list.size()]);
  		AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
  		builder.setTitle("Actions");
  	
  		builder.setItems(items, new DialogInterface.OnClickListener() {
  			public void onClick(DialogInterface dialog, int item) {
  
  				if (items[item].equals("Add")) {
  					//Add action will be done here
  					
  				}
  				
  				if (items[item].equals("Delete")) {
  					
  					//Delete action will be done here
  					
  				}
  				
  			}
  		}).create().show();
  }
  
  
  //Custom layout dialog
  public void customDiaog() {

  		final Dialog dialog = new Dialog(SettingsActivity.this,style.Base_Theme_AppCompat_Light_Dialog);
  		dialog.setTitle("ADD PASSCODE");
  		dialog.setContentView(R.layout.dialog_add_passcode);
  		
  		dialog.getWindow().setLayout(LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT);
  		
  		final EditText editPasscode = (EditText) dialog
  				.findViewById(R.id.edit_passcode);
  		
  		final EditText editName = (EditText) dialog
  				.findViewById(R.id.edit_name);

  		final Button buttonSave = (Button) dialog
  				.findViewById(R.id.button_add);
  	
  
  		buttonSave.setOnClickListener(new View.OnClickListener() {
  
  			@Override
  			public void onClick(View v) {
  				// TODO Auto-generated method stub
  				if (Utility.notBlank(editName, false) && Utility.notBlank(editPasscode, false)) {
					if (DatabaseFunctions.addPasscode(editName.getText().toString(), editPasscode.getText().toString())) {
						fillListView();
					}
					dialog.dismiss();
				}
  			}
  
  		});

		dialog.show();

	}

    
    
    //Multiple selection dialog
    public void multipleSelectionDialog(View v){
		
		final String[] items = new String[] { "Monday", "Tuesday", "Wednesday",
				"Thursday", "Friday", "Saturday", "Sunday" };

        AlertDialog.Builder dialog = new AlertDialog.Builder(this);
        
        boolean[] checkedItems = new boolean[7];
        for (int i = 0; i < 7; i++) {
        	if(mSelectedDays.contains(i)){
        		checkedItems[i] = true;
        	}else{
        		checkedItems[i] = false;
        	}
		}
        dialog.setTitle("Select days")
        .setMultiChoiceItems(items,checkedItems,  new DialogInterface.OnMultiChoiceClickListener(){

        	
          @Override
          public void onClick(DialogInterface dialog, int which, boolean isChecked) {
             
              if(mSelectedDays.contains(which)){
            	  mSelectedDays.remove(Integer.valueOf(which));
              }else{
            	  mSelectedDays.add(which);
              }
          }
            
        }).setPositiveButton("OK", new DialogInterface.OnClickListener() {
            @Override
            public void onClick(DialogInterface dialog, int id) {
                // User clicked OK, so save the mSelectedItems results somewhere
                // or return them to the component that opened the dialog
            	
          
            	
            	
            	dialog.dismiss();
            }
        }).setNegativeButton("CANCEL", new DialogInterface.OnClickListener() {
            @Override
            public void onClick(DialogInterface dialog, int id) {
            	
            }
        });
        
        dialog.create().show();
        
	  }
	  
  //Help  screen dialog	  
  public void helpScreen() {
     
     // Here pass the activity's object.
     final Dialog dialog = new Dialog(this);
     dialog.requestWindowFeature(Window.FEATURE_NO_TITLE);
     // Make the layout transparent.
     dialog.getWindow().setBackgroundDrawable(new ColorDrawable(android.graphics.Color.TRANSPARENT));
     // Set up the content of the dialog to the help_screen.xml file.
     dialog.setContentView(R.layout.help_screen);
     dialog.setCanceledOnTouchOutside(true);
     //Dismiss the HelpScreen from touching anywhere on screen. 
     View view = dialog.findViewById(R.id.help_screen_layout);
        view.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                dialog.dismiss();
            }
        });
        dialog.show();
    }	

}

I need a dialog with simple text entry, its not present in this...

i kept it here
https://gist.github.com/sendtomitesh/6117162d7eda8a4d6cb4