带排序按钮的radiogroup

先看下效果

修改 RadioGroup 源码自定义了一个RadioButton，有需要的就直接拿去吧

github https://github.com/781015928/SoftRadioGroup

public class SoftRadioGroup extends LinearLayout {    // holds the checked id; the selection is empty by default    private int mCheckedId = -1;    private boolean orientation;    // tracks children radio buttons checked state    private SoftRadioButton.OnCheckedChangeListener mChildOnCheckedChangeListener;    // when true, mOnCheckedChangeListener discards events    private boolean mProtectFromCheckedChange = false;    private OnCheckedChangeListener mOnCheckedChangeListener;    private PassThroughHierarchyChangeListener mPassThroughListener;    /**     * {@inheritDoc}     */    public SoftRadioGroup(Context context) {        super(context);        init();    }    /**     * {@inheritDoc}     */    public SoftRadioGroup(Context context, AttributeSet attrs) {        super(context, attrs);        init();    }    private void init() {        //setOrientation(HORIZONTAL);        mChildOnCheckedChangeListener = new CheckedStateTracker();        mPassThroughListener = new PassThroughHierarchyChangeListener();        super.setOnHierarchyChangeListener(mPassThroughListener);    }    /**     * {@inheritDoc}     */    @Override    public void setOnHierarchyChangeListener(OnHierarchyChangeListener listener) {        // the user listener is delegated to our pass-through listener        mPassThroughListener.mOnHierarchyChangeListener = listener;    }    /**     * {@inheritDoc}     */    @Override    protected void onFinishInflate() {        super.onFinishInflate();        // checks the appropriate radio button as requested in the XML file        if (mCheckedId != -1) {            mProtectFromCheckedChange = true;            setCheckedStateForView(mCheckedId, true);            mProtectFromCheckedChange = false;        }    }    @Override    public void addView(View child, int index, ViewGroup.LayoutParams params) {        if (child instanceof SoftRadioButton) {            final SoftRadioButton button = (SoftRadioButton) child;            if (button.isChecked()) {                mProtectFromCheckedChange = true;                if (mCheckedId != -1) {                    setCheckedStateForView(mCheckedId, false);                }                mProtectFromCheckedChange = false;            }        }        super.addView(child, index, params);    }    /**     * <p>Sets the selection to the radio button whose identifier is passed in     * parameter. Using -1 as the selection identifier clears the selection;     * such an operation is equivalent to invoking {@link #clearCheck()}.</p>     *     * @param id the unique id of the radio button to select in this group     * @see #getCheckedRadioButtonId()     * @see #clearCheck()     */    public void check(int id) {        // don't even bother        if (id != -1 && (id == mCheckedId)) {            return;        }        if (mCheckedId != -1) {            setCheckedStateForView(mCheckedId, false);        }        if (id != -1) {            setCheckedStateForView(id, true);        }        setCheckedId(id);    }    private void setCheckedId(int id) {        mCheckedId = id;    }    public OnCheckedChangeListener getOnCheckedChangeListener() {        return mOnCheckedChangeListener;    }    public interface OnCheckedChangeListener {        /**         * <p>Called when the checked radio button has changed. When the         * selection is cleared, checkedId is -1.</p>         *         * @param group     the group in which the checked radio button has changed         * @param checkedId the unique identifier of the newly checked radio button         */        public void onCheckedChanged(SoftRadioGroup group, @IdRes int checkedId, boolean orientation);    }    private void setCheckedStateForView(int viewId, boolean checked) {        View checkedView = findViewById(viewId);        if (checkedView != null && checkedView instanceof SoftRadioButton) {            SoftRadioButton radioButton = (SoftRadioButton) checkedView;          ((SoftRadioButton) checkedView).setChecked(checked,radioButton.isOrientation());        }    }    /**     * <p>Returns the identifier of the selected radio button in this group.     * Upon empty selection, the returned value is -1.</p>     *     * @return the unique id of the selected radio button in this group     * @attr ref android.R.styleable#RadioGroup_checkedButton     * @see #clearCheck()     */    public int getCheckedRadioButtonId() {        return mCheckedId;    }    /**     * <p>Clears the selection. When the selection is cleared, no radio button     * in this group is selected and {@link #getCheckedRadioButtonId()} returns     * null.</p>     *     * @see #getCheckedRadioButtonId()     */    public void clearCheck() {        check(-1);    }    /**     * <p>Register a callback to be invoked when the checked radio button     * changes in this group.</p>     *     * @param listener the callback to call on checked state change     */    public void setOnCheckedChangeListener(OnCheckedChangeListener listener) {        mOnCheckedChangeListener = listener;    }    private class CheckedStateTracker implements SoftRadioButton.OnCheckedChangeListener {        public void onCheckedChanged(SoftRadioButton buttonView, boolean isChecked) {            // prevents from infinite r ecursion            if (mProtectFromCheckedChange) {                return;            }            mProtectFromCheckedChange = true;            if (mCheckedId != -1) {                setCheckedStateForView(mCheckedId, false);            }            mProtectFromCheckedChange = false;            int id = buttonView.getId();            setCheckedId(id);        }    }    /**     * <p>A pass-through listener acts upon the events and dispatches them     * to another listener. This allows the table layout to set its own internal     * hierarchy change listener without preventing the user to setup his.</p>     */    private class PassThroughHierarchyChangeListener implements            ViewGroup.OnHierarchyChangeListener {        private ViewGroup.OnHierarchyChangeListener mOnHierarchyChangeListener;        /**         * {@inheritDoc}         */        public void onChildViewAdded(View parent, View child) {            if (parent == SoftRadioGroup.this && child instanceof SoftRadioButton) {                int id = child.getId();                // generates an id if it's missing                if (id == View.NO_ID) {                    throw new RuntimeException("SoftRadioButton must set Id");                }                ((SoftRadioButton) child).setOnCheckedChangeWidgetListener(mChildOnCheckedChangeListener);            }            if (mOnHierarchyChangeListener != null) {                mOnHierarchyChangeListener.onChildViewAdded(parent, child);            }        }        /**         * {@inheritDoc}         */        public void onChildViewRemoved(View parent, View child) {            if (mOnHierarchyChangeListener != null) {                mOnHierarchyChangeListener.onChildViewRemoved(parent, child);            }        }    }}

@SuppressLint("AppCompatCustomView")public class SoftRadioButton extends FrameLayout implements SoftCheckable {    /**     * down  false  up true     */    private boolean mBroadcasting;    private boolean orientation;    private TextView mTv_checkable_text;    private ImageView mIv_checkable_up;    private ImageView mIv_checkable_down;    private OnCheckedChangeListener mOnCheckedChangeWidgetListener;    private int textColor = Color.BLACK;    private int textColorChecked = Color.RED;    private int upImageRes, upImageResChecked, downImageRes, downImageResChecked;    private SoftRadioButton(Context context) {        super(context);    }    public SoftRadioButton(Context context, AttributeSet attrs) {        super(context, attrs);        initView(attrs);    }    public SoftRadioButton(Context context, AttributeSet attrs, int defStyleAttr) {        super(context, attrs, defStyleAttr);        initView(attrs);    }    private void initView(AttributeSet attrs) {        TypedArray ta = getContext().obtainStyledAttributes(attrs, R.styleable.SoftRadioButton);        String text = ta.getString(R.styleable.SoftRadioButton_text);        textColor = ta.getColor(R.styleable.SoftRadioButton_textColor, textColor);        textColorChecked = ta.getColor(R.styleable.SoftRadioButton_textColorChecked, textColorChecked);        upImageRes = ta.getResourceId(R.styleable.SoftRadioButton_upImage, 0);        downImageRes = ta.getResourceId(R.styleable.SoftRadioButton_downImage, 0);        upImageResChecked = ta.getResourceId(R.styleable.SoftRadioButton_upImageChecked, 0);        downImageResChecked = ta.getResourceId(R.styleable.SoftRadioButton_downImageChecked, 0);        ta.recycle();        LayoutInflater inflate = (LayoutInflater) getContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE);        View view = inflate.inflate(R.layout.soft_item_view, this, true);        mTv_checkable_text = (TextView) findViewById(R.id.tv_checkable_text);        mIv_checkable_up = (ImageView) findViewById(R.id.iv_checkable_up);        mIv_checkable_down = (ImageView) findViewById(R.id.iv_checkable_down);        mTv_checkable_text.setText(text);        refreshView();        setOnClickListener(null);    }    private boolean ischecked;    public void setText(CharSequence text) {        mTv_checkable_text.setText(text);    }    public CharSequence getText() {       return mTv_checkable_text.getText();    }    private OnClickListener ml;    @Override    public void setOnClickListener(@Nullable OnClickListener l) {        ml = l;        super.setOnClickListener(new OnClickListener() {            @Override            public void onClick(View v) {                if (ml != null) {                    ml.onClick(v);                }                if (isChecked()) {                    orientation = !orientation;                    setChecked(true, orientation);                } else {                    setChecked(true, orientation);                }                refreshView();            }        });    }    private SoftRadioGroup softGroup;    public SoftRadioGroup getGroup() {        if (softGroup == null) {            if (getParent() != null && getParent() instanceof SoftRadioGroup) {                softGroup = (SoftRadioGroup) getParent();            }        }        return softGroup;    }    @Override    public void setChecked(boolean checked, boolean isOrientation) {        if (checked) {            makeCallBack(isOrientation);        }        if (ischecked != checked) {//刷新其他的            ischecked = checked;            refreshView();            if (mBroadcasting) {                return;            }            mBroadcasting = true;            if (mOnCheckedChangeWidgetListener != null) {                mOnCheckedChangeWidgetListener.onCheckedChanged(this, ischecked);            }            mBroadcasting = false;        } else {            if (isOrientation != orientation) {                refreshView();                if (mBroadcasting) {                    return;                }                mBroadcasting = true;                if (mOnCheckedChangeWidgetListener != null) {                    mOnCheckedChangeWidgetListener.onCheckedChanged(this, ischecked);                }                mBroadcasting = false;            }        }    }    private void makeCallBack(boolean isOrientation) {        SoftRadioGroup group = getGroup();        if (group != null && group.getOnCheckedChangeListener() != null) {            group.getOnCheckedChangeListener().onCheckedChanged(group, getId(), isOrientation);        }    }    @Override    public boolean isChecked() {        return ischecked;    }    public boolean isOrientation() {        return orientation;    }    @Override    public void toggle() {        ischecked = !ischecked;        refreshView();    }    private void refreshView() {        if (isChecked()) {            if (orientation) {                mIv_checkable_up.setImageResource(upImageResChecked);                mIv_checkable_down.setImageResource(downImageRes);            } else {                mIv_checkable_up.setImageResource(upImageRes);                mIv_checkable_down.setImageResource(downImageResChecked);            }            mTv_checkable_text.setTextColor(textColorChecked);        } else {            mIv_checkable_up.setImageResource(upImageRes);            mIv_checkable_down.setImageResource(downImageRes);            mTv_checkable_text.setTextColor(textColor);        }    }    public void setOnCheckedChangeWidgetListener(OnCheckedChangeListener onCheckedChangeWidgetListener) {        mOnCheckedChangeWidgetListener = onCheckedChangeWidgetListener;    }    public interface OnCheckedChangeListener {        /**         * Called when the checked state of a compound button has changed.         *         * @param buttonView The compound button view whose state has changed.         * @param isChecked  The new checked state of buttonView.         */        void onCheckedChanged(SoftRadioButton buttonView, boolean isChecked);    }}

<declare-styleable name="SoftRadioButton">    <attr name="text" format="string"></attr>    <attr name="textSize" format="dimension"></attr>    <attr name="textColorChecked" format="color"></attr>    <attr name="textColor" format="color"></attr>    <attr name="upImage" format="reference"></attr>    <attr name="downImage" format="reference"></attr>    <attr name="upImageChecked" format="reference"></attr>    <attr name="downImageChecked" format="reference"></attr></declare-styleable>

public class MainActivity extends AppCompatActivity implements SoftRadioGroup.OnCheckedChangeListener {    SoftRadioGroup radiogroup;    TextView text_content;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        radiogroup = (SoftRadioGroup) findViewById(R.id.radiogroup);        text_content = (TextView) findViewById(R.id.text_content);        radiogroup.setOnCheckedChangeListener(this);    }    @Override    public void onCheckedChanged(SoftRadioGroup group, @IdRes int checkedId, boolean orientation) {        SoftRadioButton softradiogroup = (SoftRadioButton) radiogroup.findViewById(checkedId);        text_content.setText(softradiogroup.getText() + (orientation ? "上" : "下"));    }}