chrisrenke.drawerarrowdrawable.DrawerArrowSample.java Source code

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Here is the source code for chrisrenke.drawerarrowdrawable.DrawerArrowSample.java

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/*
 * Copyright (C) 2014 Chris Renke
 *
 * 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 chrisrenke.drawerarrowdrawable;

import android.app.Activity;
import android.content.res.Resources;
import android.os.Bundle;
import android.support.v4.widget.DrawerLayout;
import android.view.View;
import android.widget.ImageView;
import android.widget.TextView;

import static android.view.Gravity.START;

public class DrawerArrowSample extends Activity {

    private DrawerArrowDrawable drawerArrowDrawable;
    private float offset;
    private boolean flipped;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.home_view);

        final DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
        final ImageView imageView = (ImageView) findViewById(R.id.drawer_indicator);
        final Resources resources = getResources();

        drawerArrowDrawable = new DrawerArrowDrawable(resources);
        drawerArrowDrawable.setStrokeColor(resources.getColor(R.color.green));
        imageView.setImageDrawable(drawerArrowDrawable);

        drawer.setDrawerListener(new DrawerLayout.SimpleDrawerListener() {
            @Override
            public void onDrawerSlide(View drawerView, float slideOffset) {
                offset = slideOffset;
                // Sometimes slideOffset ends up so close to but not quite 1 or 0.
                if (slideOffset >= .995) {
                    flipped = true;
                    drawerArrowDrawable.setFlip(flipped);
                } else if (slideOffset <= .005) {
                    flipped = false;
                    drawerArrowDrawable.setFlip(flipped);
                }
                drawerArrowDrawable.setParameter(offset);
            }
        });

        imageView.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                if (drawer.isDrawerVisible(START)) {
                    drawer.closeDrawer(START);
                } else {
                    drawer.openDrawer(START);
                }
            }
        });

        final TextView styleButton = (TextView) findViewById(R.id.indicator_style);
        styleButton.setOnClickListener(new View.OnClickListener() {
            boolean rounded = false;

            @Override
            public void onClick(View v) {
                styleButton.setText(rounded //
                        ? resources.getString(R.string.rounded) //
                        : resources.getString(R.string.squared));

                rounded = !rounded;

                drawerArrowDrawable = new DrawerArrowDrawable(resources, rounded);
                drawerArrowDrawable.setParameter(offset);
                drawerArrowDrawable.setFlip(flipped);
                drawerArrowDrawable.setStrokeColor(resources.getColor(R.color.light_gray));

                imageView.setImageDrawable(drawerArrowDrawable);
            }
        });
    }
}