package de.pixart.messenger.ui; import android.annotation.TargetApi; import android.content.Context; import android.content.Intent; import android.location.Address; import android.location.Geocoder; import android.location.Location; import android.location.LocationListener; import android.location.LocationManager; import android.os.AsyncTask; import android.os.Build; import android.os.Bundle; import android.provider.Settings; import android.support.design.widget.CoordinatorLayout; import android.support.design.widget.Snackbar; import android.text.TextUtils; import android.webkit.WebView; import android.widget.Button; import org.jetbrains.annotations.Nullable; import java.lang.ref.WeakReference; import java.util.List; import java.util.Locale; import de.pixart.messenger.R; import de.pixart.messenger.utils.LocationHelper; import de.pixart.messenger.utils.ThemeHelper; public class ShareLocationActivity extends LocationActivity implements LocationListener { LocationManager locationManager; private Location mLastLocation; private Button mCancelButton; private Button mShareButton; private String mLocationName; private Snackbar snackBar; private static String getAddress(Context context, Location location) { double longitude = location.getLongitude(); double latitude = location.getLatitude(); String address = ""; if (latitude != 0 && longitude != 0) { Geocoder geoCoder = new Geocoder(context, Locale.getDefault()); try { List
addresses = geoCoder.getFromLocation(latitude, longitude, 1); if (addresses != null && addresses.size() > 0) { Address Address = addresses.get(0); StringBuilder strAddress = new StringBuilder(""); if (Address.getAddressLine(0).length() > 0) { strAddress.append(Address.getAddressLine(0)); } address = strAddress.toString().replace(", ", "
"); } } catch (Exception e) { e.printStackTrace(); } } return address; } @Override protected void refreshUiReal() { } @Override void onBackendConnected() { } @Override protected void onCreate(final Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_share_locaction); setTitle(getString(R.string.share_location)); setSupportActionBar(findViewById(R.id.toolbar)); configureActionBar(getSupportActionBar()); locationManager = (LocationManager) this.getSystemService(Context.LOCATION_SERVICE); mLocationName = getString(R.string.me); mCancelButton = findViewById(R.id.cancel_button); mCancelButton.setOnClickListener(view -> { setResult(RESULT_CANCELED); finish(); }); mShareButton = findViewById(R.id.share_button); mShareButton.setOnClickListener(view -> { if (mLastLocation != null) { Intent result = new Intent(); result.putExtra("latitude", mLastLocation.getLatitude()); result.putExtra("longitude", mLastLocation.getLongitude()); result.putExtra("altitude", mLastLocation.getAltitude()); result.putExtra("accuracy", (int) mLastLocation.getAccuracy()); setResult(RESULT_OK, result); finish(); } }); final CoordinatorLayout snackBarCoordinator = findViewById(R.id.snackbarCoordinator); if (snackBarCoordinator != null) { this.snackBar = Snackbar.make(snackBarCoordinator, R.string.location_sharing_disabled, Snackbar.LENGTH_INDEFINITE); snackBar.setAction(R.string.enable, view -> { if (isLocationEnabled()) { requestLocationUpdates(); } else { showLocation(null, null); setShareButtonEnabled(false); requestLocationUpdates(); startActivity(new Intent(android.provider.Settings.ACTION_LOCATION_SOURCE_SETTINGS)); overridePendingTransition(R.animator.fade_in, R.animator.fade_out); } }); ThemeHelper.fix(this.snackBar); } } @Override protected void gotoLoc() throws UnsupportedOperationException { new getAddressAsync(this).execute(); } @Override protected void setmLastLocation(Location location) { this.mLastLocation = location; } @Override public void onPause() { super.onPause(); } @Override public void onResume() { super.onResume(); if (isLocationEnabled()) { this.snackBar.dismiss(); showLocation(null, null); } else { this.snackBar.show(); } setShareButtonEnabled(false); } @Override public void onLocationChanged(final Location location) { if (LocationHelper.isBetterLocation(location, this.mLastLocation)) { setShareButtonEnabled(true); this.mLastLocation = location; gotoLoc(); } } @Override public void onStatusChanged(final String provider, final int status, final Bundle extras) { } @Override public void onProviderEnabled(final String provider) { } @Override public void onProviderDisabled(final String provider) { } @TargetApi(Build.VERSION_CODES.KITKAT) private boolean isLocationEnabledKitkat() { try { final int locationMode = Settings.Secure.getInt(getContentResolver(), Settings.Secure.LOCATION_MODE); return locationMode != Settings.Secure.LOCATION_MODE_OFF; } catch (final Settings.SettingNotFoundException e) { return false; } } @SuppressWarnings("deprecation") private boolean isLocationEnabledLegacy() { final String locationProviders = Settings.Secure.getString(getContentResolver(), Settings.Secure.LOCATION_PROVIDERS_ALLOWED); return !TextUtils.isEmpty(locationProviders); } private boolean isLocationEnabled() { if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) { return isLocationEnabledKitkat(); } else { return isLocationEnabledLegacy(); } } private void setShareButtonEnabled(final boolean enabled) { if (enabled) { this.mShareButton.setEnabled(true); this.mShareButton.setText(R.string.share); } else { this.mShareButton.setEnabled(false); this.mShareButton.setText(R.string.locating); } } private void showLocation(@Nullable Location location, @Nullable String address) { if (location == null && TextUtils.isEmpty(address)) { // no location and no address available final WebView webView = findViewById(R.id.webView); webView.getSettings().setJavaScriptEnabled(true); webView.loadUrl("file:///android_asset/map.html"); } else if (location != null && TextUtils.isEmpty(address)) { // location but no address available String LocationName = "" + mLocationName + ""; final WebView webView = findViewById(R.id.webView); webView.getSettings().setJavaScriptEnabled(true); webView.loadUrl("file:///android_asset/map.html?lat=" + mLastLocation.getLatitude() + "&lon=" + mLastLocation.getLongitude() + "&name=" + LocationName); } else if (location != null && !TextUtils.isEmpty(address)) { // location and address available String LocationName = "" + mLocationName + "
" + address; final WebView webView = findViewById(R.id.webView); webView.getSettings().setJavaScriptEnabled(true); webView.loadUrl("file:///android_asset/map.html?lat=" + mLastLocation.getLatitude() + "&lon=" + mLastLocation.getLongitude() + "&name=" + LocationName); } } private class getAddressAsync extends AsyncTask { String address = null; private WeakReference activityReference; getAddressAsync(ShareLocationActivity context) { activityReference = new WeakReference<>(context); } @Override protected void onPreExecute() { super.onPreExecute(); showLocation(mLastLocation, null); } @Override protected Void doInBackground(Void... params) { address = getAddress(ShareLocationActivity.this, mLastLocation); return null; } @Override protected void onPostExecute(Void result) { super.onPostExecute(result); showLocation(mLastLocation, address); } } }