DraweeMediaPickerFragment.java

/*
 * This file provided by Facebook is for non-commercial testing and evaluation
 * purposes only.  Facebook reserves all rights not expressly granted.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 * FACEBOOK BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */
package com.facebook.fresco.samples.showcase.drawee;

import android.Manifest;
import android.app.Activity;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.net.Uri;
import android.os.Build;
import android.os.Bundle;
import android.support.annotation.Nullable;
import android.support.v4.app.ActivityCompat;
import android.support.v4.content.ContextCompat;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;
import android.widget.Toast;

import com.facebook.drawee.view.SimpleDraweeView;
import com.facebook.fresco.samples.showcase.BaseShowcaseFragment;
import com.facebook.fresco.samples.showcase.R;

/**
 * Display images from media pickers.
 */
public class DraweeMediaPickerFragment extends BaseShowcaseFragment {

  private static final int PERMISSION_REQUEST_READ_EXTERNAL_STORAGE = 0;
  private static final int REQUEST_CODE_PICK_MEDIA = 1;

  private SimpleDraweeView mSimpleDraweeView;
  private TextView mImagePath;

  @Nullable
  @Override
  public View onCreateView(
      LayoutInflater inflater,
      @Nullable ViewGroup container,
      @Nullable Bundle savedInstanceState) {
    return inflater.inflate(R.layout.fragment_drawee_media_picker, container, false);
  }

  @Override
  public void onViewCreated(View view, @Nullable Bundle savedInstanceState) {
    mSimpleDraweeView = (SimpleDraweeView) view.findViewById(R.id.drawee_view);
    mImagePath = (TextView) view.findViewById(R.id.image_path);

    View actionOpenDocumentButton = view.findViewById(R.id.pick_action_open_document);
    actionOpenDocumentButton.setOnClickListener(new View.OnClickListener() {
      @Override
      public void onClick(View v) {
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
          Intent intent = new Intent(Intent.ACTION_OPEN_DOCUMENT);
          intent.addCategory(Intent.CATEGORY_OPENABLE);
          intent.setType("image/*");
          startActivityForResult(intent, REQUEST_CODE_PICK_MEDIA);
        } else {
          Toast.makeText(
              getContext(),
              R.string.drawee_media_picker_action_open_document_not_supported,
              Toast.LENGTH_SHORT).show();
        }
      }
    });

    View actionGetContent = view.findViewById(R.id.pick_action_get_content);
    actionGetContent.setOnClickListener(new View.OnClickListener() {
      @Override
      public void onClick(View v) {
        Intent intent = new Intent(Intent.ACTION_GET_CONTENT);
        intent.setType("image/*");
        startActivityForResult(intent, REQUEST_CODE_PICK_MEDIA);
      }
    });

    View actionPickButton = view.findViewById(R.id.pick_action_pick);
    actionPickButton.setOnClickListener(new View.OnClickListener() {
      @Override
      public void onClick(View v) {
        if (!ensureExternalStoragePermissionGranted()) {
          return;
        }
        Intent intent = new Intent(
            Intent.ACTION_PICK,
            android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI);
        startActivityForResult(intent, REQUEST_CODE_PICK_MEDIA);
      }
    });
  }

  @Override
  public int getTitleId() {
    return R.string.drawee_media_picker_title;
  }

  @Override
  public void onActivityResult(int requestCode, int resultCode, Intent data) {
    if (requestCode == REQUEST_CODE_PICK_MEDIA) {
      if (resultCode != Activity.RESULT_OK) {
        mSimpleDraweeView.setImageURI((Uri) null);
        mImagePath.setText(R.string.drawee_media_picker_no_image);
      } else {
        mSimpleDraweeView.setImageURI(data.getData());
        mImagePath.setText(data.getDataString());
      }
    } else {
      super.onActivityResult(requestCode, resultCode, data);
    }
  }

  private boolean ensureExternalStoragePermissionGranted() {
    if (ContextCompat.checkSelfPermission(getContext(), Manifest.permission.READ_EXTERNAL_STORAGE)
        != PackageManager.PERMISSION_GRANTED) {
      ActivityCompat.requestPermissions(
          getActivity(),
          new String[]{Manifest.permission.READ_EXTERNAL_STORAGE},
          PERMISSION_REQUEST_READ_EXTERNAL_STORAGE);
      return false;
    }
    return true;
  }
}