BaseFragment.java 1.84 KB
package com.cnlive.goldenline.ui.base;

import android.app.Activity;
import android.content.Context;
import android.os.Bundle;
import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;

import com.facebook.drawee.backends.pipeline.Fresco;

import java.lang.ref.WeakReference;

import butterknife.ButterKnife;

/**
 * Created by zuoxian on 15/9/7.
 */
public abstract class BaseFragment extends Fragment implements View.OnClickListener {
    private static final String TAG = "BaseFragment";

    protected View fragmentRootView;

    private WeakReference<Activity> mActivity;

    @Override
    public void onAttach(Context context) {
        super.onAttach(context);
        if (context instanceof Activity)
            mActivity = new WeakReference<>((Activity) context);
    }

    public Activity getAttchActivity() {
        return mActivity != null ? mActivity.get() : getActivity();
    }

    @Nullable
    @Override
    public View onCreateView(@NonNull LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        if (fragmentRootView == null) {
            fragmentRootView = inflater.inflate(getLayoutRes(), container, false);
        }
        ViewGroup parent = (ViewGroup) fragmentRootView.getParent();
        if (parent != null) {
            parent.removeView(fragmentRootView);
        }
        ButterKnife.bind(this, fragmentRootView);
        setupView();
        return fragmentRootView;
    }

    protected void setupView() {

    }

    @Override
    public void onClick(View v) {

    }

    protected abstract int getLayoutRes();

    @Override
    public void onLowMemory() {
        super.onLowMemory();
        Fresco.getImagePipeline().clearMemoryCaches();
    }


}