How to set Min text (Mandatory) and Max text in EditText

Question

In my EditText field, I want to give some min text as mandatory and max text as the limit, is there any way to achieve that?

If one is to type text, the numeric count has to decrease. How would I do that?

<EditText
    android:id="@+id/editText1"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_alignParentLeft="true"
    android:layout_below="@+id/textView1"
    android:layout_marginTop="24dp"
    android:maxLength="175"
    android:ems="10" />

this is my adding activity.java

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.home_layout);
    System.out.println(PRAYER_CATEGORY.length);
    tvPrayer = (TextView) findViewById(R.id.mystate);
    spinnerPrayers = (Spinner) findViewById(R.id.spinnerstate);

    ArrayAdapter<String> adapter_state = new ArrayAdapter<String>(this,
            android.R.layout.simple_spinner_item, PRAYER_CATEGORY);
    adapter_state
            .setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
    spinnerPrayers.setAdapter(adapter_state);

    value=(EditText)findViewById(R.id.editText1);
    value
       .setOnFocusChangeListener(new View.OnFocusChangeListener() {
            @Override
            public void onFocusChange(View v, boolean hasFocus) {
                if (hasFocus) {
                    if (value.getText().toString().trim()
                            .length() < 3) {

                        value.setError("Failed");
                    } else {
                        value.setError(null);
                    }
                }
                else {
                    if (value.getText().toString().trim()
                            .length() < 3) {
                        value.setError("Failed");
                    } else {
                            value.setError(null);
                    }
                }
            }
        });
        btnSpeakprayer = (ImageButton) findViewById(R.id.btnSpeakprayer);
        btn=(Button)findViewById(R.id.button1);
        pb=(ProgressBar)findViewById(R.id.progressBar1);
        pb.setVisibility(View.GONE);
        btn.setOnClickListener(this);

Answer 1

You can try this code

First of all you set your maxlength in xml file like this

                    <EditText
                    android:id="@+id/editText"
                    android:layout_width="match_parent"
                    android:inputType="textPassword"
                    android:lines="1"
                    android:maxLength="15"
                    android:maxLines="1"
                    android:singleLine="true" />

Then in your code you can write like this

et_billamt.setOnFocusChangeListener(new View.OnFocusChangeListener() {
        @Override
        public void onFocusChange(View v, boolean hasFocus) {
            if (hasFocus) {
                if (et_billamt.getText().toString().trim().length() < 5) {
                    et_billamt.setError("Failed");
                } else {
                    // your code here
                    et_billamt.setError(null);
                }
            } else {
                if (et_billamt.getText().toString().trim().length() < 5) {
                    et_billamt.setError("Failed");
                } else {
                    // your code here
                    et_billamt.setError(null);
                }
            }

        }
    });

I designed if after no focus, so here you can write for min length condition and max length condition