Customize EditText with Delete button

Customize EditText with delete button that clear all text when press.

1.button_delete.png

2.CustomEditText.java

import android.content.Context;
import android.graphics.drawable.Drawable;
import android.support.v4.content.res.ResourcesCompat;
import android.text.Editable;
import android.text.TextWatcher;
import android.util.AttributeSet;
import android.view.MotionEvent;
import android.view.View;
import android.widget.EditText;


/**
 * Created by Huo Chhunleng on 8/20/2016.
 */
public class PEditText extends EditText {

    private Drawable btn_clear = ResourcesCompat.getDrawable(getResources(), R.drawable.button_delete, null);

    public PEditText(Context context) {
        super(context);
        init();
    }

    public PEditText(Context context, AttributeSet attrs, int defStyle) {
        super(context, attrs, defStyle);
        init();
    }

    public PEditText(Context context, AttributeSet attrs) {
        super(context, attrs);
        init();
    }

    void init() {

        btn_clear.setBounds(0, 0, btn_clear.getIntrinsicWidth(), btn_clear.getIntrinsicHeight());
        final PEditText editText = PEditText.this;

        this.setOnTouchListener(new OnTouchListener() {
            @Override
            public boolean onTouch(View v, MotionEvent event) {
                if (editText.getCompoundDrawables()[2] == null)
                    return false;

                if (event.getAction() != MotionEvent.ACTION_UP)
                    return false;

                if (event.getX() > editText.getWidth() - editText.getPaddingRight() - btn_clear.getIntrinsicWidth()) {
                    editText.setText("");
                    editText.setCompoundDrawables(editText.getCompoundDrawables()[0], editText.getCompoundDrawables()[1], null, editText.getCompoundDrawables()[3]);
                }
                return false;
            }
        });

        this.setOnFocusChangeListener(new OnFocusChangeListener() {
            @Override
            public void onFocusChange(View v, boolean hasFocus) {
                if(hasFocus){
                    if(!"".equals(editText.getText().toString())){
                        editText.setCompoundDrawables(editText.getCompoundDrawables()[0], editText.getCompoundDrawables()[1], btn_clear, editText.getCompoundDrawables()[3]);
                    }
                }else {
                    editText.setCompoundDrawables(editText.getCompoundDrawables()[0], editText.getCompoundDrawables()[1], null, editText.getCompoundDrawables()[3]);
                }
            }
        });

        this.addTextChangedListener(new TextWatcher() {
            @Override
            public void onTextChanged(CharSequence s, int start, int before, int count) {
                if (editText.getText().toString().equals("")) {
                    editText.setCompoundDrawables(editText.getCompoundDrawables()[0], editText.getCompoundDrawables()[1], null, editText.getCompoundDrawables()[3]);
                }
                else {
                    editText.setCompoundDrawables(editText.getCompoundDrawables()[0], editText.getCompoundDrawables()[1], btn_clear, editText.getCompoundDrawables()[3]);
                }
            }
            @Override
            public void afterTextChanged(Editable arg0) {}
            @Override
            public void beforeTextChanged(CharSequence s, int start, int count, int after) {}
        });
    }

    //intercept Typeface change and set it with our custom font
    /*public void setTypeface(Typeface tf, int style) {
        if (style == Typeface.BOLD) {
            super.setTypeface(Typeface.createFromAsset(getContext().getAssets(), "fonts/Vegur-B 0.602.otf"));
        } else {
            super.setTypeface(Typeface.createFromAsset(getContext().getAssets(), "fonts/Vegur-R 0.602.otf"));
        }
    }*/
}

3.et_bg_border.xml

Create an xml named et_bg_border in drawable directory.

<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android" >
    <solid android:color="#FFFFFF" />
    <stroke
        android:width="0.5dp"
        android:color="#2f6699" />
    <corners
        android:topLeftRadius="5dp"
        android:topRightRadius="5dp"
        android:bottomLeftRadius="5dp"
        android:bottomRightRadius="5dp" />
</shape>

4.activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:padding="20dp"
    android:orientation="vertical"
    android:background="#45a39c"
    android:gravity="center">

    <CustomEditText
        android:layout_width="match_parent"
        android:layout_height="50dp"
        android:padding="10dp"
        android:inputType="textEmailAddress"
        android:background="@drawable/et_bg_border"
        android:hint="Email"/>

    <CustomEditText
        android:layout_width="match_parent"
        android:layout_height="50dp"
        android:layout_marginTop="10dp"
        android:padding="10dp"
        android:inputType="textPassword"
        android:background="@drawable/et_bg_border"
        android:hint="Password"/>
</LinearLayout>

Make Buttons as RadioButton

Make a group of buttons that can be selected and activate only one of them as RadioButton logic.

1.activity_button_group.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:gravity="center_horizontal">

<Button
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:text="A"
    android:id="@+id/btn0"
    android:layout_gravity="center_vertical" />

<Button
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:text="B"
    android:id="@+id/btn1"
    android:layout_gravity="center_vertical" />

<Button
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:text="C"
    android:id="@+id/btn2"
    android:layout_gravity="center_vertical" />

<Button
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:text="D"
    android:id="@+id/btn3"
    android:layout_gravity="center_vertical" />
</LinearLayout>

2.MainActivity.java

public class ButtonGroupActivity extends Activity implements View.OnClickListener{

    private Button[] btn = new Button[4];
    private Button btn_unfocus;
    private int[] btn_id = {R.id.btn0, R.id.btn1, R.id.btn2, R.id.btn3};

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_button_group);

        for(int i = 0; i < btn.length; i++){
            btn[i] = (Button) findViewById(btn_id[i]);
            btn[i].setBackgroundColor(Color.rgb(207, 207, 207));
            btn[i].setOnClickListener(this);
        }

        btn_unfocus = btn[0];
    }

    @Override
    public void onClick(View v) {
        setForcus(btn_unfocus, (Button) findViewById(v.getId()));
        //Or use switch
        /*switch (v.getId()){
            case R.id.btn0 :
                setFocus(btn_unfocus, btn[0]);
                break;

            case R.id.btn1 :
                setFocus(btn_unfocus, btn[1]);
                break;

            case R.id.btn2 :
                setFocus(btn_unfocus, btn[2]);
                break;

            case R.id.btn3 :
                setFocus(btn_unfocus, btn[3]);
                break;
        }*/
    }

    private void setFocus(Button btn_unfocus, Button btn_focus){
        btn_unfocus.setTextColor(Color.rgb(49, 50, 51));
        btn_unfocus.setBackgroundColor(Color.rgb(207, 207, 207));
        btn_focus.setTextColor(Color.rgb(255, 255, 255));
        btn_focus.setBackgroundColor(Color.rgb(3, 106, 150));
        this.btn_unfocus = btn_focus;
    }
}