com.pendtium.base.fragments.BaseFragment.java Source code

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Here is the source code for com.pendtium.base.fragments.BaseFragment.java

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/*
 * Copyright (C) 2013 Andreas Stuetz <andreas.stuetz@gmail.com>
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.pendtium.base.fragments;

import com.pendtium.R;

import android.graphics.drawable.ColorDrawable;
import android.graphics.drawable.Drawable;
import android.graphics.drawable.LayerDrawable;
import android.graphics.drawable.TransitionDrawable;
import android.os.Build;
import android.os.Bundle;
import android.os.Handler;
import android.support.v4.app.Fragment;
import android.support.v7.app.ActionBarActivity;
import android.util.TypedValue;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.FrameLayout;
import android.widget.FrameLayout.LayoutParams;

public class BaseFragment extends Fragment {

    private String title;
    private int color;
    protected int margin;
    protected LayoutParams params;
    private ActionBarActivity activity;

    private final Handler handler = new Handler();
    private Drawable oldBackground = null;

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        margin = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 8,
                getResources().getDisplayMetrics());
        params = new LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT);
        activity = (ActionBarActivity) getActivity();
    }

    public void setTitle(String title) {
        this.title = title;
    }

    public String getTitle() {
        return this.title;
    }

    public void setColor(int color) {
        this.color = color;
    }

    public int getColor() {
        return this.color;
    }

    //   @Override
    //   public void onStart(){
    //      super.onStart();
    //      changeActionBarColor(color);
    //   }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        FrameLayout fl = new FrameLayout(getActivity());
        fl.setLayoutParams(params);
        params.setMargins(margin, margin, margin, margin);
        return fl;
    }

    protected void changeActionBarColor(int color) {
        Drawable colorDrawable = new ColorDrawable(color);
        Drawable bottomDrawable = getResources().getDrawable(R.drawable.actionbar_bottom);
        LayerDrawable ld = new LayerDrawable(new Drawable[] { colorDrawable, bottomDrawable });

        if (oldBackground == null) {

            //         if (Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN_MR1) {
            //            ld.setCallback(drawableCallback);
            //         } else {
            activity.getSupportActionBar().setBackgroundDrawable(ld);
            //         }

        } else {

            TransitionDrawable td = new TransitionDrawable(new Drawable[] { oldBackground, ld });

            // workaround for broken ActionBarContainer drawable handling on
            // pre-API 17 builds
            // https://github.com/android/platform_frameworks_base/commit/a7cc06d82e45918c37429a59b14545c6a57db4e4
            if (Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN_MR1) {
                td.setCallback(drawableCallback);
            } else {
                activity.getSupportActionBar().setBackgroundDrawable(td);
            }

            td.startTransition(200);

        }

        oldBackground = ld;
    }

    protected Drawable.Callback drawableCallback = new Drawable.Callback() {
        @Override
        public void invalidateDrawable(Drawable who) {
            activity.getSupportActionBar().setBackgroundDrawable(who);
        }

        @Override
        public void scheduleDrawable(Drawable who, Runnable what, long when) {
            handler.postAtTime(what, when);
        }

        @Override
        public void unscheduleDrawable(Drawable who, Runnable what) {
            handler.removeCallbacks(what);
        }
    };

}