Intellij Idea Live模板可同时创建字段和方法

Question

How to create field variable automatically when I create method used that field. I've create template like this:

void $METHOD_NAME$() {
    $FIELD_NAME$ = true;
}

when I type field name (eg mState ) in method will create field as:

private boolean mState = false;

Hope someone help. Sorry my bad.

Answer 1

Given the screenshot of your template, you can also create a field with the following live template:

private boolean $param$ = false;

@Override
public void onBackPressed() {
  if ($param$) super.onBackPressed();
  android.widget.Toast.makeText(this, "$message$",
    android.widget.Toast.LENGTH_SHORT).show();
  $param$ = true;
  final Handler handler = new Handler();
  handler.postDelayed(new Runnable() {
    @Override
    public void run() {
      $param$ = false;
    }
  }, 100);
}

Where $param$ and $message$ are regular variables without anything special.

However, like I said in the comment on your question, I suggest to split it up in several smaller templates. Consider to split it up in: field + method with just:

private boolean $param$ = false;    

@Override
public void onBackPressed() {
  if ($param$) super.onBackPressed();
  $param$ = true;
}

Then create a template for the message:

android.widget.Toast.makeText(this, "$message$", android.widget.Toast.LENGTH_SHORT).show();

And last but not least, create a template for the postDelayed:

final Handler handler = new Handler();
handler.postDelayed(new Runnable() {
    @Override
    public void run() {
        $END$
    }
}, $delay$);

Note: the $delay$ as a bonus you can even give it a default value or create a list of predefined values for ease of use.

Note2: Instead of $param$ = false; I've replaced it with $END$ . This will position your cursor here once you've selected the delay. Now you can type mState = false manually here, or whatever code you need in the context at that moment. This makes the template much more flexible and easier to use.

PS. I suppose you want to call super.onBackPressed() only when the value is false (on the first invocation). In that case use if (!$param$) instead.

// Update:

In order to group the newly added field with the other fields and not halfway somewhere in your class between other methods, rearrange the code via the menu with: Code -> rearrange code . To customise this, check your arrangement settings under: settings -> code style -> <language> -> arrangement