How to limit the text in numbers only from 0-59 in Edit Text in Android?

android android-edittext textwatcher
sumit acharya picture sumit acharya · Dec 26, 2012 · Viewed 23.9k times · Source

I have an Edit Text in which the number can only between 0-59, No other numbers will be typed in that Edit Text, I tried text-watcher but did not get success. Any idea? 

12-26 14:59:39.715: E/AndroidRuntime(19494): FATAL EXCEPTION: main
12-26 14:59:39.715: E/AndroidRuntime(19494): java.lang.StackOverflowError
12-26 14:59:39.715: E/AndroidRuntime(19494):    at android.view.ViewGroup.findViewTraversal(ViewGroup.java:2765)
12-26 14:59:39.715: E/AndroidRuntime(19494):    at android.view.View.findViewById(View.java:10442)
12-26 14:59:39.715: E/AndroidRuntime(19494):    at android.view.ViewGroup.findViewTraversal(ViewGroup.java:2765)
12-26 14:59:39.715: E/AndroidRuntime(19494):    at android.view.View.findViewById(View.java:10442)
12-26 14:59:39.715: E/AndroidRuntime(19494):    at android.view.ViewGroup.findViewTraversal(ViewGroup.java:2765)
12-26 14:59:39.715: E/AndroidRuntime(19494):    at android.view.View.findViewById(View.java:10442)
12-26 14:59:39.715: E/AndroidRuntime(19494):    at android.view.ViewGroup.findViewTraversal(ViewGroup.java:2765)
12-26 14:59:39.715: E/AndroidRuntime(19494):    at android.view.View.findViewById(View.java:10442)
12-26 14:59:39.715: E/AndroidRuntime(19494):    at android.view.ViewGroup.findViewTraversal(ViewGroup.java:2765)
12-26 14:59:39.715: E/AndroidRuntime(19494):    at android.view.View.findViewById(View.java:10442)
12-26 14:59:39.715: E/AndroidRuntime(19494):    at android.view.ViewGroup.findViewTraversal(ViewGroup.java:2765)
12-26 14:59:39.715: E/AndroidRuntime(19494):    at android.view.View.findViewById(View.java:10442)
12-26 14:59:39.715: E/AndroidRuntime(19494):    at android.view.ViewGroup.findViewTraversal(ViewGroup.java:2765)
12-26 14:59:39.715: E/AndroidRuntime(19494):    at android.view.View.findViewById(View.java:10442)
12-26 14:59:39.715: E/AndroidRuntime(19494):    at android.view.ViewGroup.findViewTraversal(ViewGroup.java:2765)
12-26 14:59:39.715: E/AndroidRuntime(19494):    at android.view.View.findViewById(View.java:10442)
12-26 14:59:39.715: E/AndroidRuntime(19494):    at android.view.View.findViewShouldExist(View.java:4281)
12-26 14:59:39.715: E/AndroidRuntime(19494):    at android.view.View.findUserSetNextFocus(View.java:4263)
12-26 14:59:39.715: E/AndroidRuntime(19494):    at android.view.FocusFinder.findNextFocus(FocusFinder.java:66)
12-26 14:59:39.715: E/AndroidRuntime(19494):    at android.view.ViewGroup.focusSearch(ViewGroup.java:569)
12-26 14:59:39.715: E/AndroidRuntime(19494):    at android.view.ViewGroup.focusSearch(ViewGroup.java:571)
12-26 14:59:39.715: E/AndroidRuntime(19494):    at android.view.ViewGroup.focusSearch(ViewGroup.java:571)
12-26 14:59:39.715: E/AndroidRuntime(19494):    at android.view.ViewGroup.focusSearch(ViewGroup.java:571)
12-26 14:59:39.715: E/AndroidRuntime(19494):    at android.view.ViewGroup.focusSearch(ViewGroup.java:571)
12-26 14:59:39.715: E/AndroidRuntime(19494):    at android.view.ViewGroup.focusSearch(ViewGroup.java:571)
12-26 14:59:39.715: E/AndroidRuntime(19494):    at android.view.ViewGroup.focusSearch(ViewGroup.java:571)
12-26 14:59:39.715: E/AndroidRuntime(19494):    at android.view.ViewGroup.focusSearch(ViewGroup.java:571)
12-26 14:59:39.715: E/AndroidRuntime(19494):    at android.view.ViewGroup.focusSearch(ViewGroup.java:571)
12-26 14:59:39.715: E/AndroidRuntime(19494):    at android.view.View.focusSearch(View.java:4221)
12-26 14:59:39.715: E/AndroidRuntime(19494):    at android.widget.TextView.onCreateInputConnection(TextView.java:5378)
12-26 14:59:39.715: E/AndroidRuntime(19494):    at android.view.inputmethod.InputMethodManager.startInputInner(InputMethodManager.java:977)
12-26 14:59:39.715: E/AndroidRuntime(19494):    at android.view.inputmethod.InputMethodManager.restartInput(InputMethodManager.java:932)
12-26 14:59:39.715: E/AndroidRuntime(19494):    at android.widget.TextView.setText(TextView.java:2958)
12-26 14:59:39.715: E/AndroidRuntime(19494):    at android.widget.TextView.setText(TextView.java:2907)
12-26 14:59:39.715: E/AndroidRuntime(19494):    at android.widget.EditText.setText(EditText.java:90)
12-26 14:59:39.715: E/AndroidRuntime(19494):    at android.widget.TextView.setText(TextView.java:2882)
12-26 14:59:39.715: E/AndroidRuntime(19494):    at com.fishing.MyLocation$check_lat_degree.onTextChanged(MyLocation.java:236)
12-26 14:59:39.715: E/AndroidRuntime(19494):    at android.widget.TextView.sendOnTextChanged(TextView.java:7226)
12-26 14:59:39.715: E/AndroidRuntime(19494):    at android.widget.TextView.setText(TextView.java:3045)
12-26 14:59:39.715: E/AndroidRuntime(19494):    at android.widget.TextView.setText(TextView.java:2907)
12-26 14:59:39.715: E/AndroidRuntime(19494):    at android.widget.EditText.setText(EditText.java:90)
12-26 14:59:39.715: E/AndroidRuntime(19494):    at android.widget.TextView.setText(TextView.java:2882)
12-26 14:59:39.715: E/AndroidRuntime(19494):    at com.fishing.MyLocation$check_lat_degree.onTextChanged(MyLocation.java:236)
12-26 14:59:39.715: E/AndroidRuntime(19494):    at android.widget.TextView.sendOnTextChanged(TextView.java:7226)
12-26 14:59:39.715: E/AndroidRuntime(19494):    at android.widget.TextView.setText(TextView.java:3045)
12-26 14:59:39.715: E/AndroidRuntime(19494):    at android.widget.TextView.setText(TextView.java:2907)
12-26 14:59:39.715: E/AndroidRuntime(19494):    at android.widget.EditText.setText(EditText.java:90)
12-26 14:59:39.715: E/AndroidRuntime(19494):    at android.widget.TextView.setText(TextView.java:2882)
12-26 14:59:39.715: E/AndroidRuntime(19494):    at com.fishing.MyLocation$check_lat_degree.onTextChanged(MyLocation.java:236)
12-26 14:59:39.715: E/AndroidRuntime(19494):    at android.widget.TextView.sendOnTextChanged(TextView.java:7226)
12-26 14:59:39.715: E/AndroidRuntime(19494):    at android.widget.TextView.setText(TextView.java:3045)
12-26 14:59:39.715: E/AndroidRuntime(19494):    at android.widget.TextView.setText(TextView.java:2907)
12-26 14:59:39.715: E/AndroidRuntime(19494):    at android.widget.EditText.setText(EditText.java:90)
12-26 14:59:39.715: E/AndroidRuntime(19494):    at android.widget.TextView.setText(TextView.java:2882)
12-26 14:59:39.715: E/AndroidRuntime(19494):    at com.fishing.MyLocation$check_lat_degree.onTextChanged(MyLocation.java:236)
12-26 14:59:39.715: E/AndroidRuntime(19494):    at android.widget.TextView.sendOnTextChanged(TextView.java:7226)
12-26 14:59:39.715: E/AndroidRuntime(19494):    at android.widget.TextView.setText(TextView.java:3045)
12-26 14:59:39.715: E/AndroidRuntime(19494):    at android.widget.TextView.setText(TextView.java:2907)
12-26 14:59:39.715: E/AndroidRuntime(19494):    at android.widget.EditText.setText(EditText.java:90)
12-26 14:59:39.715: E/AndroidRuntime(19494):    at android.widget.TextView.setText(TextView.java:2882)
12-26 14:59:39.715: E/AndroidRuntime(19494):    at com.fishing.MyLocation$check_lat_degree.onTextChanged(MyLocation.java:236)
12-26 14:59:39.715: E/AndroidRuntime(19494):    at android.widget.TextView.sendOnTextChanged(TextView.java:7226)
12-26 14:59:39.715: E/AndroidRuntime(19494):    at android.widget.TextView.setText(TextView.java:3045)
12-26 14:59:39.715: E/AndroidRuntime(19494):    at android.widget.TextView.setText(TextView.java:2907)
12-26 14:59:39.715: E/AndroidRuntime(19494):    at android.widget.EditText.setText(EditText.java:90)
12-26 14:59:39.715: E/AndroidRuntime(19494):    at android.widget.TextView.setText(TextView.j

Answer

user167019 picture user167019 · Aug 30, 2014

Here's how I like to do this:

public class InputFilterMinMax implements InputFilter {
    private int min;
    private int max;

    public InputFilterMinMax(int min, int max) {
        this.min = min;
        this.max = max;
    }

    @Override
    public CharSequence filter(CharSequence source, int start, int end, Spanned dest, int dstart, int dend) {
        //noinspection EmptyCatchBlock
        try {
            int input = Integer.parseInt(dest.subSequence(0, dstart).toString() + source + dest.subSequence(dend, dest.length()));
            if (isInRange(min, max, input))
                return null;
        } catch (NumberFormatException nfe) { }
        return "";
    }

    private boolean isInRange(int a, int b, int c) {
        return b > a ? c >= a && c <= b : c >= b && c <= a;
    }
}

Then set the filter on your EditText:

myEditText.setFilters(new InputFilter[]{new InputFilterMinMax(0, 59)});

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