Android Open Source - WizardPager Image Fragment

From Project

Back to project page WizardPager.
License

The source code is released under:
Apache License
If you think the Android project WizardPager listed in this page is inappropriate, such as containing malicious code/tools or violating the copyright, please email info at java2s dot com, thanks.
Java Source Code

package com.tech.freak.wizardpager.ui;
/* w ww .  jav  a  2s.c  o m*/
import android.app.Activity;
import android.app.AlertDialog;
import android.app.Dialog;
import android.content.ContentValues;
import android.content.DialogInterface;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.provider.MediaStore;
import android.support.v4.app.DialogFragment;
import android.support.v4.app.Fragment;
import android.text.TextUtils;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.TextView;
import com.tech.freak.wizardpager.R;
import com.tech.freak.wizardpager.model.Page;

public class ImageFragment extends Fragment {

  private static final String NEW_IMAGE_URI = "new_image_uri";
  private static final int GALLERY_REQUEST_CODE = 0;
  private static final int CAMERA_REQUEST_CODE = 1;

  protected static final String ARG_KEY = "key";

  private PageFragmentCallbacks mCallbacks;
  private String mKey;
  private Page mPage;

  private ImageView imageView;

  private Uri mNewImageUri;

  public static ImageFragment create(String key) {
    Bundle args = new Bundle();
    args.putString(ARG_KEY, key);

    ImageFragment f = new ImageFragment();
    f.setArguments(args);
    return f;
  }

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

    Bundle args = getArguments();
    mKey = args.getString(ARG_KEY);
    mPage = mCallbacks.onGetPage(mKey);

    if (savedInstanceState != null) {
      String uriString = savedInstanceState.getString(NEW_IMAGE_URI);
      if (!TextUtils.isEmpty(uriString)) {
        mNewImageUri = Uri.parse(uriString);
      }
    }
  }

  @Override
  public void onSaveInstanceState(Bundle outState) {
    super.onSaveInstanceState(outState);
    if (mNewImageUri != null) {
      outState.putString(NEW_IMAGE_URI, mNewImageUri.toString());
    }
  }

  @Override
  public View onCreateView(LayoutInflater inflater, ViewGroup container,
      Bundle savedInstanceState) {
    View rootView = inflater.inflate(R.layout.fragment_page_image,
        container, false);
    ((TextView) rootView.findViewById(android.R.id.title)).setText(mPage
        .getTitle());

    imageView = (ImageView) rootView.findViewById(R.id.imageView);

    String imageData = mPage.getData().getString(Page.SIMPLE_DATA_KEY);
    if (!TextUtils.isEmpty(imageData)) {
      Uri imageUri = Uri.parse(imageData);
      imageView.setImageURI(imageUri);
    } else {
      imageView.setImageResource(R.drawable.ic_person);
    }

    imageView.setOnClickListener(new OnClickListener() {

      @Override
      public void onClick(View v) {
        DialogFragment pickPhotoSourceDialog = new DialogFragment() {
          @Override
          public Dialog onCreateDialog(Bundle savedInstanceState) {
            AlertDialog.Builder builder = new AlertDialog.Builder(
                getActivity());
            builder.setItems(R.array.image_photo_sources,
                new DialogInterface.OnClickListener() {

                  @Override
                  public void onClick(DialogInterface dialog,
                      int which) {
                    switch (which) {
                    case 0:
                      // Gallery
                      Intent photoPickerIntent = new Intent(
                          Intent.ACTION_GET_CONTENT);
                      photoPickerIntent
                          .setType("image/*");
                      startActivityForResult(
                          photoPickerIntent,
                          GALLERY_REQUEST_CODE);
                      break;

                    default:
                      // Camera
                      mNewImageUri = getActivity()
                          .getContentResolver()
                          .insert(MediaStore.Images.Media.EXTERNAL_CONTENT_URI,
                              new ContentValues());
                      Intent photoFromCamera = new Intent(
                          MediaStore.ACTION_IMAGE_CAPTURE);
                      photoFromCamera.putExtra(
                          MediaStore.EXTRA_OUTPUT,
                          mNewImageUri);
                      photoFromCamera
                          .putExtra(
                              MediaStore.EXTRA_VIDEO_QUALITY,
                              0);
                      startActivityForResult(
                          photoFromCamera,
                          CAMERA_REQUEST_CODE);
                      break;
                    }

                  }
                });
            return builder.create();
          }
        };

        pickPhotoSourceDialog.show(getFragmentManager(),
            "pickPhotoSourceDialog");
      }
    });

    return rootView;
  }

  @Override
  public void onAttach(Activity activity) {
    super.onAttach(activity);

    if (!(activity instanceof PageFragmentCallbacks)) {
      throw new ClassCastException(
          "Activity must implement PageFragmentCallbacks");
    }

    mCallbacks = (PageFragmentCallbacks) activity;
  }

  @Override
  public void onDetach() {
    super.onDetach();
    mCallbacks = null;
  }

  @Override
  public void onActivityResult(int requestCode, int resultCode, Intent data) {
    super.onActivityResult(requestCode, resultCode, data);

    switch (requestCode) {
    case CAMERA_REQUEST_CODE:
      if (resultCode == Activity.RESULT_OK) {
        imageView.setImageURI(mNewImageUri);
        writeResult();
      }
      break;
    case GALLERY_REQUEST_CODE:
      if (resultCode == Activity.RESULT_OK && data != null) {
        mNewImageUri = data.getData();
        imageView.setImageURI(mNewImageUri);
        writeResult();
      }
      break;
    }
  }

  private void writeResult() {
    mPage.getData().putString(Page.SIMPLE_DATA_KEY,
        (mNewImageUri != null) ? mNewImageUri.toString() : null);
    mPage.notifyDataChanged();

  }

}
Java Source Code List
