AndroidFilterView

android filterView use for listView or recyclerview

package adapterFilter;

import android.annotation.TargetApi; import android.app.Activity; import android.app.FragmentManager; import android.app.FragmentTransaction; import android.content.Context; import android.content.res.TypedArray; import android.graphics.Color; import android.graphics.drawable.Drawable; import android.os.Build; import android.util.AttributeSet; import android.view.View; import android.widget.ImageView; import android.widget.RelativeLayout; import android.widget.TextView; import android.widget.Toast;

import java.util.List;

import reddottips.adapterfilter.R;

/**

• 适配所有筛选控件
• Created by keRui on 2016/11/16. */

public class AdapterFilterView extends RelativeLayout implements View.OnClickListener { private TextView filterContent; private ImageView rightIcon; private View view; private boolean appear = false; private Context context; private Drawable press_blue = getResources().getDrawable(R.mipmap.press_blue); private Drawable normal_gray = getResources().getDrawable(R.mipmap.normal_gray); private Activity act; private int mIdContent; private List filterList; private List tagList; private String tag; FilterFragment filterFragment = new FilterFragment();

public ClickCallBack getClickCallBack() {
    return clickCallBack;
}

public void setClickCallBack(ClickCallBack clickCallBack) {
    this.clickCallBack = clickCallBack;
}

private ClickCallBack clickCallBack;


public AdapterFilterView(Context context) {
    super(context);

}

public AdapterFilterView(Context context, AttributeSet attrs) {
    super(context, attrs);
    this.context = context;
    initView();
    initAttrs(context, attrs);
}

/**
 * 初始化
 */
private void initView() {
    view = View.inflate(getContext(), R.layout.view_adapter_filter, this);
    view.setOnClickListener(this);
    filterContent = (TextView) view.findViewById(R.id.filter_content);
    rightIcon = (ImageView) view.findViewById(R.id.right_icon);
}

private void initAttrs(Context context, AttributeSet attrs) {
    TypedArray array = context.obtainStyledAttributes(attrs, R.styleable.AdapterFilterView);
    String defaultFilter = array.getString(R.styleable.AdapterFilterView_filterView_default_filter);
    filterContent.setText(defaultFilter);
}

/**
 * 初始化
 */

public void build(Activity act, int id_content, List<String> list, String tag, List<String> tagList) {
    this.filterList = list;
    this.act = act;
    this.mIdContent = id_content;
    this.tag = tag;
    this.tagList = tagList;
}

/**
 * 更新RightIcon
 */
@TargetApi(Build.VERSION_CODES.JELLY_BEAN)
private void syncRightIcon() {
    if (appear) {
        rightIcon.setBackground(press_blue);
        filterContent.setTextColor((Color.parseColor("#4081D6")));
    } else {
        rightIcon.setBackground(normal_gray);
        filterContent.setTextColor((Color.parseColor("#4e4e4e")));
    }
}

/**
 * 点击事件
 *
 * @param v 控件
 */
@Override
public void onClick(View v) {
    if (v == view) {
        if (!appear) {
            appear = true;
            syncRightIcon();
            show();
        } else {
            appear = false;
            syncRightIcon();
            if (filterFragment != null && filterFragment.isVisible()) {
                filterFragment.popBackStack(FilterConstant.getInstance().DEFAULT_NULL);
            }

        }
    }
}

private void show() {
    if (act != null && mIdContent != 0) {
        clearStack();
        FragmentManager fm = act.getFragmentManager();
        FragmentTransaction transaction = fm.beginTransaction();
        transaction.replace(mIdContent, filterFragment, tag);
        transaction.addToBackStack(null);//将fragment加入返回栈
        filterFragment.list = filterList;
        filterFragment.setCallBack(new FilterFragment.CallBack() {
            @Override
            public void getItem(int filter) {
                appear = false;
                syncRightIcon();
                clickCallBack.syncFilter(filter, tag);
            }
        });
        transaction.commitAllowingStateLoss();

    } else {
        Toast.makeText(getContext(), "act和id_content不可为空", Toast.LENGTH_SHORT).show();
    }
}

/**
 * 清掉堆栈的filterFragment对象
 */
private void clearStack() {
    for (int i = 0; i < tagList.size(); i++) {
        if (act.getFragmentManager().findFragmentByTag(tagList.get(i)) != null) {
            FilterFragment f = (FilterFragment) act.getFragmentManager().findFragmentByTag(tagList.get(i));
            f.popBackStack(FilterConstant.getInstance().DEFAULT_NULL);
        }

    }

}

/**
 * 回调
 */
public interface ClickCallBack {
    void syncFilter(int position, String tag);
}

/**
 * 筛选 默认值
 *
 * @param filter
 */
public void setFilter(String filter, int position) {

    if (filter != null) {
        filterContent.setText(filter);
        appear = false;
        syncRightIcon();
    }
}

}

演示如下