BaseFragment.java

package com.camnter.newlife.core.fragment;

import android.os.Bundle;
import android.support.annotation.Nullable;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Toast;
import com.camnter.newlife.utils.ToastUtils;

/**
 * Description：BaseFragment
 * Created by：CaMnter
 * Time：2016-01-02 21:35
 */
public abstract class BaseFragment extends Fragment {

    protected View self;


    /**
     * @param inflater The LayoutInflater object that can be used to inflate
     * any views in the fragment,
     * @param container If non-null, this is the parent view that the fragment's
     * UI should be attached to.  The fragment should not add the view itself,
     * but this can be used to generate the LayoutParams of the view.
     * @param savedInstanceState If non-null, this fragment is being re-constructed
     * from a previous saved state as given here.
     * @return Return the View for the fragment's UI, or null.
     */
    @Nullable @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        super.onCreateView(inflater, container, savedInstanceState);
        if (this.self == null) {
            this.self = inflater.inflate(this.getLayoutId(), container, false);
        }
        if (this.self.getParent() != null) {
            ViewGroup parent = (ViewGroup) this.self.getParent();
            parent.removeView(this.self);
        }

        this.initViews(this.self, savedInstanceState);
        this.initData();
        this.initListeners();
        return this.self;
    }


    /**
     * Fill in layout id
     *
     * @return layout id
     */
    protected abstract int getLayoutId();

    /**
     * Initialize the view in the layout
     *
     * @param self self
     * @param savedInstanceState savedInstanceState
     */
    protected abstract void initViews(View self, Bundle savedInstanceState);

    /**
     * Initialize the View of the listener
     */
    protected abstract void initListeners();

    /**
     * Initialize the Activity data
     */
    protected abstract void initData();


    /**
     * Find the view by id
     *
     * @param id id
     * @param <V> V
     * @return V
     */
    @SuppressWarnings("unchecked") protected <V extends View> V findView(int id) {
        return (V) this.self.findViewById(id);
    }


    /*********
     * Toast *
     *********/

    public void showToast(String msg) {
        this.showToast(msg, Toast.LENGTH_SHORT);
    }


    public void showToast(String msg, int duration) {
        if (msg == null) return;
        if (duration == Toast.LENGTH_SHORT || duration == Toast.LENGTH_LONG) {
            ToastUtils.show(this.getActivity(), msg, duration);
        } else {
            ToastUtils.show(this.getActivity(), msg, ToastUtils.LENGTH_SHORT);
        }
    }


    public void showToast(int resId) {
        this.showToast(resId, Toast.LENGTH_SHORT);
    }


    public void showToast(int resId, int duration) {
        if (duration == Toast.LENGTH_SHORT || duration == Toast.LENGTH_LONG) {
            ToastUtils.show(this.getActivity(), resId, duration);
        } else {
            ToastUtils.show(this.getActivity(), resId, ToastUtils.LENGTH_SHORT);
        }
    }

    /*********
     * Toast *
     *********/

}