In MapFragment, use MyTracksLocationManager directly to obtain the current location.

2013-05-21 14:03:48 -07:00
commit cffd72fa07
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+/*
+ * Copyright 2012 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.google.android.apps.mytracks.fragments;
+
+import com.google.android.apps.mytracks.util.PreferencesUtils;
+import com.google.android.apps.mytracks.util.StringUtils;
+import com.google.android.maps.mytracks.R;
+
+import android.app.AlertDialog;
+import android.app.Dialog;
+import android.content.DialogInterface;
+import android.os.Bundle;
+import android.support.v4.app.DialogFragment;
+import android.support.v4.app.FragmentActivity;
+
+/**
+ * A DialogFragment to configure frequency.
+ * 
+ * @author Jimmy Shih
+ */
+public class FrequencyDialogFragment extends DialogFragment {
+
+  public static final String FREQUENCY_DIALOG_TAG = "frequencyDialog";
+
+  private static final String KEY_PREFERENCE_ID = "preferenceId";
+  private static final String KEY_DEFAULT_VALUE = "defaultValue";
+  private static final String KEY_TITLE_ID = "titleId";
+
+  public static FrequencyDialogFragment newInstance(
+      int preferenceId, int defaultValue, int titleId) {
+    Bundle bundle = new Bundle();
+    bundle.putInt(KEY_PREFERENCE_ID, preferenceId);
+    bundle.putInt(KEY_DEFAULT_VALUE, defaultValue);
+    bundle.putInt(KEY_TITLE_ID, titleId);
+
+    FrequencyDialogFragment frequencyDialogFragment = new FrequencyDialogFragment();
+    frequencyDialogFragment.setArguments(bundle);
+    return frequencyDialogFragment;
+  }
+
+  private FragmentActivity fragmentActivity; 
+  
+  @Override
+  public Dialog onCreateDialog(Bundle savedInstanceState) {
+    fragmentActivity = getActivity();
+    
+    final int preferenceId = getArguments().getInt(KEY_PREFERENCE_ID);
+    int defaultValue = getArguments().getInt(KEY_DEFAULT_VALUE);
+    int titleId = getArguments().getInt(KEY_TITLE_ID);
+    int frequencyValue = PreferencesUtils.getInt(fragmentActivity, preferenceId, defaultValue);
+
+    return new AlertDialog.Builder(fragmentActivity)
+        .setPositiveButton(R.string.generic_ok, new DialogInterface.OnClickListener() {
+          @Override
+          public void onClick(DialogInterface dialog, int which) {
+            int listIndex = ((AlertDialog) dialog).getListView().getCheckedItemPosition();
+            PreferencesUtils.setInt(fragmentActivity, preferenceId, getFrequencyValue(listIndex));
+          }
+        })
+        .setSingleChoiceItems(getFrequencyDisplayOptions(), getListIndex(frequencyValue), null)
+        .setTitle(titleId)
+        .create();
+  }
+
+  /**
+   * Gets the frequency display options.
+   */
+  private String[] getFrequencyDisplayOptions() {
+    boolean metricUnits = PreferencesUtils.getBoolean(
+        fragmentActivity, R.string.metric_units_key, PreferencesUtils.METRIC_UNITS_DEFAULT);
+    return StringUtils.getFrequencyOptions(fragmentActivity, metricUnits);
+  }
+
+  /**
+   * Gets the list index for a frequency value. Returns 0 if the value is not on
+   * the list.
+   */
+  private int getListIndex(int frequencyValue) {
+    String[] values = getResources().getStringArray(R.array.frequency_values);
+    for (int i = 0; i < values.length; i++) {
+      if (frequencyValue == Integer.parseInt(values[i])) {
+        return i;
+      }
+    }
+    return 0;
+  }
+
+  /**
+   * Gets the frequency value from a list index.
+   * 
+   * @param listIndex the list index
+   */
+  private int getFrequencyValue(int listIndex) {
+    String[] values = getResources().getStringArray(R.array.frequency_values);
+    return Integer.parseInt(values[listIndex]);
+  }
+}