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The source code is released under:
MIT License
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package net.alteridem.sunshine; //from w w w. j a va2 s . c o m import android.content.Intent; import android.database.Cursor; import android.net.Uri; import android.os.Bundle; import android.support.annotation.Nullable; import android.support.v4.app.Fragment; import android.support.v4.app.LoaderManager; import android.support.v4.content.CursorLoader; import android.support.v4.content.Loader; import android.support.v4.view.MenuItemCompat; import android.support.v7.widget.ShareActionProvider; import android.util.Log; import android.view.LayoutInflater; import android.view.Menu; import android.view.MenuInflater; import android.view.MenuItem; import android.view.View; import android.view.ViewGroup; import android.widget.ImageView; import android.widget.TextView; import net.alteridem.sunshine.data.WeatherContract; /** * A placeholder fragment containing a simple view. */ public class WeatherDetailFragment extends Fragment implements LoaderManager.LoaderCallbacks<Cursor>{ public static final String DATE_KEY = "net.alteridem.sunshine.weatherDetailDate"; private static final String LOG_TAG = WeatherDetailFragment.class.getSimpleName(); private static final String FORECAST_SHARE_HASHTAG = " #SunshineApp"; private static final String LOCATION_KEY = "location"; private static final int DETAILS_LOADER = 1; private String mLocation; private String mForecast; // For the forecast view we're showing only a small subset of the stored data. // Specify the columns we need. private static final String[] FORECAST_COLUMNS = { // In this case the id needs to be fully qualified with a table name, since // the content provider joins the location & weather tables in the background // (both have an _id column) // On the one hand, that's annoying. On the other, you can search the weather table // using the location set by the user, which is only in the Location table. // So the convenience is worth it. WeatherContract.WeatherEntry.TABLE_NAME + "." + WeatherContract.WeatherEntry._ID, WeatherContract.WeatherEntry.COLUMN_DATETEXT, WeatherContract.WeatherEntry.COLUMN_SHORT_DESC, WeatherContract.WeatherEntry.COLUMN_MAX_TEMP, WeatherContract.WeatherEntry.COLUMN_MIN_TEMP, WeatherContract.LocationEntry.COLUMN_CITY_NAME, WeatherContract.WeatherEntry.COLUMN_HUMIDITY, WeatherContract.WeatherEntry.COLUMN_WIND_SPEED, WeatherContract.WeatherEntry.COLUMN_DEGREES, WeatherContract.WeatherEntry.COLUMN_PRESSURE, WeatherContract.WeatherEntry.COLUMN_WEATHER_ID }; // These indices are tied to FORECAST_COLUMNS. If FORECAST_COLUMNS changes, these // must change. public static final int COL_ID = 0; public static final int COL_WEATHER_DATE = 1; public static final int COL_WEATHER_DESC = 2; public static final int COL_WEATHER_MAX_TEMP = 3; public static final int COL_WEATHER_MIN_TEMP = 4; public static final int COL_WEATHER_CITY = 5; public static final int COL_WEATHER_HUMIDITY = 6; public static final int COL_WEATHER_WIND = 7; public static final int COL_WEATHER_DIRECTION = 8; public static final int COL_WEATHER_PRESSURE = 9; public static final int COL_WEATHER_ID = 10; public WeatherDetailFragment() { setHasOptionsMenu(true); } @Override public void onActivityCreated(@Nullable Bundle savedInstanceState) { super.onActivityCreated(savedInstanceState); if(savedInstanceState != null && savedInstanceState.containsKey(LOCATION_KEY)) { mLocation = savedInstanceState.getString(LOCATION_KEY); } Bundle args = getArguments(); if (args != null && args.containsKey(DATE_KEY)) { getLoaderManager().initLoader(DETAILS_LOADER, null, this); } } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { return inflater.inflate(R.layout.fragment_detail, container, false); } @Override public void onSaveInstanceState(Bundle outState) { super.onSaveInstanceState(outState); outState.putString(LOCATION_KEY, mLocation); } @Override public void onResume() { super.onResume(); Bundle args = getArguments(); if (args != null && args.containsKey(DATE_KEY) && mLocation != null && !mLocation.equals(Utility.getPreferredLocation(getActivity()))) { getLoaderManager().restartLoader(DETAILS_LOADER, null, this); } } @Override public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) { inflater.inflate(R.menu.detail_fragment, menu); MenuItem menuItem = menu.findItem(R.id.action_share); ShareActionProvider shareProvider = (ShareActionProvider) MenuItemCompat.getActionProvider(menuItem); if( shareProvider != null ) { shareProvider.setShareIntent(createShareWeatherIntent()); } else { Log.d(LOG_TAG, "Share Action Provider is null?"); } super.onCreateOptionsMenu(menu, inflater); } private Intent createShareWeatherIntent(){ Intent intent = new Intent(Intent.ACTION_SEND); intent.setType("text/plain"); intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET); intent.putExtra(Intent.EXTRA_TEXT, mForecast + FORECAST_SHARE_HASHTAG); return intent; } @Override public Loader<Cursor> onCreateLoader(int i, Bundle bundle) { mLocation = Utility.getPreferredLocation(getActivity()); Bundle args = getArguments(); String date = args.getString(DATE_KEY); Uri weatherForLocationUri = WeatherContract.WeatherEntry.buildWeatherLocationWithDate(mLocation, date); Log.d(LOG_TAG, "Uri: " + weatherForLocationUri.toString()); return new CursorLoader( getActivity(), weatherForLocationUri, FORECAST_COLUMNS, null, null, null ); } @Override public void onLoadFinished(Loader<Cursor> cursorLoader, Cursor cursor) { if(cursor.moveToFirst()) { ImageView iconView = (ImageView) getView().findViewById(R.id.fragment_detail_icon); TextView friendlyDateTextView = (TextView) getView().findViewById(R.id.fragment_detail_friendly_date); TextView dateTextView = (TextView)getView().findViewById(R.id.fragment_detail_date); TextView descriptionTextView = (TextView)getView().findViewById(R.id.fragment_detail_description); TextView maxTextView = (TextView)getView().findViewById(R.id.fragment_detail_max); TextView minTextView = (TextView)getView().findViewById(R.id.fragment_detail_min); TextView humidityTextView = (TextView)getView().findViewById(R.id.fragment_detail_humidity); TextView windTextView = (TextView)getView().findViewById(R.id.fragment_detail_wind); TextView pressureTextView = (TextView)getView().findViewById(R.id.fragment_detail_pressure); boolean isMetric = Utility.isMetric(getActivity()); int weatherId = cursor.getInt(COL_WEATHER_ID); String date = cursor.getString(COL_WEATHER_DATE); String desc = cursor.getString(COL_WEATHER_DESC); String low = Utility.formatTemperature(getActivity(), cursor.getDouble(COL_WEATHER_MIN_TEMP), isMetric); String high = Utility.formatTemperature(getActivity(), cursor.getDouble(COL_WEATHER_MAX_TEMP), isMetric); getActivity().setTitle(cursor.getString(COL_WEATHER_CITY)); iconView.setImageResource(Utility.getArtResourceForWeatherCondition(weatherId)); friendlyDateTextView.setText(Utility.getDayName(getActivity(), date)); dateTextView.setText(Utility.getFormattedMonthDay(getActivity(), date)); descriptionTextView.setText(desc); maxTextView.setText(high); minTextView.setText(low); humidityTextView.setText(Utility.formatHumidity(getActivity(), cursor.getDouble(COL_WEATHER_HUMIDITY))); windTextView.setText(Utility.formatWind(getActivity(), cursor.getDouble(COL_WEATHER_WIND), isMetric, cursor.getDouble(COL_WEATHER_DIRECTION))); pressureTextView.setText(Utility.formatPressure(getActivity(), cursor.getDouble(COL_WEATHER_PRESSURE), isMetric)); mForecast = String.format("%s - %s - %s/%s", date, desc, high, low); } } @Override public void onLoaderReset(Loader<Cursor> cursorLoader) { } }