ZoomableActivity.java

/*
 * Copyright (C) 2015 Taeho Kim <jyte82@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.androidhuman.zoomablesample;

import com.facebook.drawee.backends.pipeline.Fresco;
import com.facebook.drawee.drawable.ProgressBarDrawable;
import com.facebook.drawee.drawable.ScalingUtils;
import com.facebook.drawee.generic.GenericDraweeHierarchy;
import com.facebook.drawee.generic.GenericDraweeHierarchyBuilder;
import com.facebook.drawee.interfaces.DraweeController;
import com.facebook.samples.zoomable.ZoomableDraweeView;

import android.net.Uri;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;

public class ZoomableActivity extends AppCompatActivity {

    public static final String KEY_TITLE = "title";

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        Uri data = getIntent().getData();
        if (null == data) {
            throw new IllegalArgumentException("No data to display");
        }

        String title = getIntent().getStringExtra(KEY_TITLE);
        if (title != null) {
            setTitle(title);
        }

        Fresco.initialize(this);
        setContentView(R.layout.activity_zoomable);

        ZoomableDraweeView view = (ZoomableDraweeView) findViewById(R.id.zoomable);

        DraweeController ctrl = Fresco.newDraweeControllerBuilder().setUri(
                data).setTapToRetryEnabled(true).build();
        GenericDraweeHierarchy hierarchy = new GenericDraweeHierarchyBuilder(getResources())
                .setActualImageScaleType(ScalingUtils.ScaleType.FIT_CENTER)
                .setProgressBarImage(new ProgressBarDrawable())
                .build();

        view.setController(ctrl);
        view.setHierarchy(hierarchy);
    }

    @Override
    protected void onDestroy() {
        super.onDestroy();
        Fresco.shutDown();
    }
}