Java Code Examples for androidx.fragment.app.Fragment#getContext()

AdapterAttachment(Fragment parentFragment, boolean readonly) {
    this.parentFragment = parentFragment;
    this.readonly = readonly;

    this.context = parentFragment.getContext();
    this.owner = parentFragment.getViewLifecycleOwner();
    this.inflater = LayoutInflater.from(context);

    SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
    this.debug = prefs.getBoolean("debug", false);

    setHasStableIds(true);

    owner.getLifecycle().addObserver(new LifecycleObserver() {
        @OnLifecycleEvent(Lifecycle.Event.ON_DESTROY)
        public void onDestroyed() {
            Log.d(AdapterAttachment.this + " parent destroyed");
            AdapterAttachment.this.parentFragment = null;
        }
    });
}
 

public static boolean requestLocationServicePermission(final Fragment fragment) {
    LocationManager locationManager = (LocationManager) fragment.getActivity().getSystemService(LOCATION_SERVICE);
    if (!(locationManager.isProviderEnabled(LocationManager.GPS_PROVIDER) || locationManager.isProviderEnabled(LocationManager.NETWORK_PROVIDER))) {

        AlertDialog.Builder builder = new AlertDialog.Builder(fragment.getContext());
        builder.setTitle(R.string.permission_bluetooth_info_title);
        builder.setIcon(R.drawable.ic_preferences_about);
        builder.setMessage(R.string.permission_location_service_info);
        builder.setPositiveButton(R.string.label_ok, new DialogInterface.OnClickListener() {
            public void onClick(DialogInterface dialogInterface, int i) {
                // Show location settings when the user acknowledges the alert dialog
                Intent intent = new Intent(Settings.ACTION_LOCATION_SOURCE_SETTINGS);
                fragment.getActivity().startActivity(intent);
            }
        });

        Dialog alertDialog = builder.create();
        alertDialog.setCanceledOnTouchOutside(false);
        alertDialog.show();
        return false;
    }

    return true;
}
 

AdapterContact(Fragment parentFragment) {
    this.parentFragment = parentFragment;

    this.context = parentFragment.getContext();
    this.owner = parentFragment.getViewLifecycleOwner();
    this.inflater = LayoutInflater.from(context);

    this.contacts = Helper.hasPermission(context, Manifest.permission.READ_CONTACTS);
    this.colorAccent = Helper.resolveColor(context, R.attr.colorAccent);
    this.textColorSecondary = Helper.resolveColor(context, android.R.attr.textColorSecondary);

    setHasStableIds(true);

    owner.getLifecycle().addObserver(new LifecycleObserver() {
        @OnLifecycleEvent(Lifecycle.Event.ON_DESTROY)
        public void onDestroyed() {
            Log.d(AdapterContact.this + " parent destroyed");
            AdapterContact.this.parentFragment = null;
        }
    });
}
 

AdapterLog(Fragment parentFragment) {
    this.parentFragment = parentFragment;
    this.context = parentFragment.getContext();
    this.owner = parentFragment.getViewLifecycleOwner();
    this.inflater = LayoutInflater.from(parentFragment.getContext());

    this.TF = Helper.getTimeInstance(context);

    setHasStableIds(true);

    owner.getLifecycle().addObserver(new LifecycleObserver() {
        @OnLifecycleEvent(Lifecycle.Event.ON_DESTROY)
        public void onDestroyed() {
            Log.d(AdapterLog.this + " parent destroyed");
            AdapterLog.this.parentFragment = null;
        }
    });
}
 

private static void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults, Activity activity, Fragment fragment) {
    Context context = (activity != null) ? activity : fragment.getContext();

    switch (requestCode) {
        case REQUEST_GET_ACCOUNTS_PERMISSION:
            if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
                // Permissions have been granted.. start pick account dialog
                try {
                    if (activity != null) {
                        pickNewAccount(activity);
                    } else {
                        pickNewAccount(fragment);
                    }
                } catch (NextcloudFilesAppNotInstalledException | AndroidGetAccountsPermissionNotGranted e) {
                    UiExceptionManager.showDialogForException(context, e);
                }
            } else {
                // user declined the permission request..
                UiExceptionManager.showDialogForException(context, new AndroidGetAccountsPermissionNotGranted());
            }
            break;
        default:
            break;
    }

}
 

AdapterIdentity(Fragment parentFragment) {
    this.parentFragment = parentFragment;
    this.context = parentFragment.getContext();
    this.owner = parentFragment.getViewLifecycleOwner();
    this.inflater = LayoutInflater.from(context);

    this.DTF = Helper.getDateTimeInstance(context, DateFormat.SHORT, DateFormat.SHORT);

    setHasStableIds(true);

    owner.getLifecycle().addObserver(new LifecycleObserver() {
        @OnLifecycleEvent(Lifecycle.Event.ON_DESTROY)
        public void onDestroyed() {
            Log.d(AdapterIdentity.this + " parent destroyed");
            AdapterIdentity.this.parentFragment = null;
        }
    });
}
 

AdapterAccount(final Fragment parentFragment, boolean settings) {
    this.parentFragment = parentFragment;
    this.settings = settings;

    this.context = parentFragment.getContext();
    this.owner = parentFragment.getViewLifecycleOwner();
    this.inflater = LayoutInflater.from(context);

    SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
    boolean highlight_unread = prefs.getBoolean("highlight_unread", true);
    this.colorUnread = Helper.resolveColor(context, highlight_unread ? R.attr.colorUnreadHighlight : android.R.attr.textColorPrimary);
    this.textColorSecondary = Helper.resolveColor(context, android.R.attr.textColorSecondary);

    this.DTF = Helper.getDateTimeInstance(context, DateFormat.SHORT, DateFormat.SHORT);

    setHasStableIds(true);

    owner.getLifecycle().addObserver(new LifecycleObserver() {
        @OnLifecycleEvent(Lifecycle.Event.ON_DESTROY)
        public void onDestroyed() {
            Log.d(AdapterAccount.this + " parent destroyed");
            AdapterAccount.this.parentFragment = null;
        }
    });
}
 

AdapterOperation(Fragment parentFragment) {
    this.parentFragment = parentFragment;
    this.context = parentFragment.getContext();
    this.owner = parentFragment.getViewLifecycleOwner();
    this.inflater = LayoutInflater.from(context);

    setHasStableIds(true);

    owner.getLifecycle().addObserver(new LifecycleObserver() {
        @OnLifecycleEvent(Lifecycle.Event.ON_DESTROY)
        public void onDestroyed() {
            Log.d(AdapterOperation.this + " parent destroyed");
            AdapterOperation.this.parentFragment = null;
        }
    });
}
 

AdapterOrder(Fragment parentFragment) {
    this.parentFragment = parentFragment;
    this.context = parentFragment.getContext();
    this.owner = parentFragment.getViewLifecycleOwner();
    this.inflater = LayoutInflater.from(context);

    setHasStableIds(true);

    owner.getLifecycle().addObserver(new LifecycleObserver() {
        @OnLifecycleEvent(Lifecycle.Event.ON_DESTROY)
        public void onDestroyed() {
            Log.d(AdapterOrder.this + " parent destroyed");
            AdapterOrder.this.parentFragment = null;
        }
    });
}
 

AdapterImage(Fragment parentFragment) {
    this.parentFragment = parentFragment;
    this.context = parentFragment.getContext();
    this.owner = parentFragment.getViewLifecycleOwner();
    this.inflater = LayoutInflater.from(context);

    setHasStableIds(true);

    owner.getLifecycle().addObserver(new LifecycleObserver() {
        @OnLifecycleEvent(Lifecycle.Event.ON_DESTROY)
        public void onDestroyed() {
            Log.d(AdapterImage.this + " parent destroyed");
            AdapterImage.this.parentFragment = null;
        }
    });
}
 

private static void launch(final Fragment fragment,
                           final Long account,
                           final String emailId,
                           final ComposeAction action) {
    final Intent intent = new Intent(fragment.getContext(), ComposeActivity.class);
    intent.putExtra(ACCOUNT_EXTRA, account);
    intent.putExtra(COMPOSE_ACTION_EXTRA, action.toString());
    intent.putExtra(EMAIL_ID_EXTRA, emailId);
    fragment.startActivityForResult(intent, REQUEST_EDIT_DRAFT);
}
 

AdapterCertificate(Fragment parentFragment) {
    this.context = parentFragment.getContext();
    this.owner = parentFragment.getViewLifecycleOwner();
    this.inflater = LayoutInflater.from(parentFragment.getContext());

    this.TF = Helper.getDateTimeInstance(context, SimpleDateFormat.SHORT, SimpleDateFormat.SHORT);

    setHasStableIds(true);
}
 

public FileSelectorAdapter(Fragment fragment, boolean singleChoice, boolean checkBookAdded, boolean isImage) {
    this.fragment = new WeakReference<>(fragment);
    this.singleChoice = singleChoice;
    this.checkBookAdded = checkBookAdded;
    this.isImage = isImage;
    this.context = fragment.getContext();
    this.inflater = LayoutInflater.from(context);

    placeholder = fragment.getResources().getDrawable(R.drawable.ic_image_placeholder);
    AppCompat.setTint(placeholder, fragment.getResources().getColor(R.color.colorTextSecondary));

    files = new ArrayList<>();
}
 

@Override
public View getItemView(Fragment fragment, ImageItem imageItem, IPickerPresenter presenter) {
    if (imageItem.isVideo()) {
        TextView view = new TextView(fragment.getContext());
        view.setText("这是视频");
        view.setTextColor(Color.WHITE);
        view.setGravity(Gravity.CENTER);
        view.setBackgroundColor(Color.RED);
        return view;
    }
    return super.getItemView(fragment, imageItem, presenter);
}
 

public static void start(Fragment fragment, String from, boolean isOne, boolean isCrop, ArrayList<SystemUtil.ImageItem> selectedImageItemList) {
    Intent intent = new Intent(fragment.getContext(), PhotoSelectActivity.class);
    intent.putExtra(ConstantUtil.DATA, selectedImageItemList);
    intent.putExtra(ConstantUtil.IS_ONE, isOne);
    intent.putExtra(ConstantUtil.IS_CROP, isCrop);
    intent.putExtra(ConstantUtil.FROM, from);
    if (isOne) {
        fragment.startActivityForResult(intent, com.example.commonlibrary.utils.SystemUtil.REQUEST_CODE_ONE_PHOTO);
    } else {
        fragment.startActivity(intent);
    }
}
 

public FastMainTabDelegate(View rootView, Fragment activity, IFastMainView iFastMainView) {
    if (iFastMainView == null || rootView == null || activity == null) {
        return;
    }
    this.mContext = activity.getContext();
    this.mObject = activity;
    this.mIFastMainView = iFastMainView;
    mFragmentManager = activity.getChildFragmentManager();
    mSavedInstanceState = iFastMainView.getSavedInstanceState();
    getTabLayout(rootView);
    getViewPager(rootView);
    initTabLayout();
}
 

AdapterFolder(Fragment parentFragment, long account, boolean primary, boolean show_compact, boolean show_hidden, boolean show_flagged, IFolderSelectedListener listener) {
    this(parentFragment.getContext(), parentFragment.getViewLifecycleOwner(), account, primary, show_compact, show_hidden, show_flagged, listener);
    this.parentFragment = parentFragment;
}
 

/**
 * 获取预览的fragment里的布局
 *
 * @param fragment  当前加载的fragment，可以使用以下方式来绑定生命周期
 *                  <p>
 *                  fragment.getLifecycle().addObserver(new ILifeCycleCallBack() {
 *                  public void onResume() {}
 *                  public void onPause() {}
 *                  public void onDestroy() {}
 *                  });
 *                  </p>
 * @param imageItem 当前加载imageitem
 * @param presenter presenter
 * @return 预览的布局
 */
public View getItemView(Fragment fragment, final ImageItem imageItem, IPickerPresenter presenter) {
    if (imageItem == null) {
        return new View(fragment.getContext());
    }

    RelativeLayout layout = new RelativeLayout(getContext());
    final CropImageView imageView = new CropImageView(getContext());
    imageView.setScaleType(ImageView.ScaleType.FIT_CENTER);
    // 启用图片缩放功能
    imageView.setBounceEnable(true);
    imageView.enable();
    imageView.setShowImageRectLine(false);
    imageView.setCanShowTouchLine(false);
    imageView.setMaxScale(7.0f);
    ViewGroup.LayoutParams params = new ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT);
    imageView.setLayoutParams(params);
    layout.setLayoutParams(params);
    layout.addView(imageView);

    ImageView mVideoImg = new ImageView(getContext());
    mVideoImg.setImageDrawable(getResources().getDrawable(R.mipmap.picker_icon_video));
    RelativeLayout.LayoutParams params1 = new RelativeLayout.LayoutParams(PViewSizeUtils.dp(getContext(), 80), PViewSizeUtils.dp(getContext(), 80));
    mVideoImg.setLayoutParams(params1);
    params1.addRule(RelativeLayout.CENTER_IN_PARENT);
    layout.addView(mVideoImg, params1);

    if (imageItem.isVideo()) {
        mVideoImg.setVisibility(View.VISIBLE);
    } else {
        mVideoImg.setVisibility(View.GONE);
    }

    imageView.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            if (imageItem.isVideo()) {
                Intent intent = new Intent(Intent.ACTION_VIEW);
                intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
                intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
                Uri uri = imageItem.getUri();
                if (uri == null) {
                    uri = PickerFileProvider.getUriForFile((Activity) getContext(), new File(imageItem.path));
                }
                intent.setDataAndType(uri, "video/*");
                getContext().startActivity(intent);
                return;
            }
            singleTap();
        }
    });
    DetailImageLoadHelper.displayDetailImage(false, imageView, presenter, imageItem);
    return layout;
}
 

public static void start(Fragment fragment, NoteEntity note) {
    Intent intent = new Intent(fragment.getContext(), NoteEditActivity.class);
    intent.putExtra(ActivityConstant.DATA, note);
    fragment.startActivityForResult(intent, REQUEST_CODE);
}
 

/**
 * Create a new Builder for an {@link AppSettingsDialog}.
 *
 * @param fragment the {@link Fragment} in which to display the dialog.
 */
public Builder(@NonNull Fragment fragment) {
    mActivityOrFragment = fragment;
    mContext = fragment.getContext();
}