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Code Issues Packages Projects Releases Wiki Activity

Use a content provider url to play track in earth

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This commit is contained in:
Jimmy Shih
2013-10-01 13:24:57 -07:00
parent 7078bad2ed
commit ea943548ec
5 changed files with 64 additions and 22 deletions
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MyTracks/AndroidManifest.xml
+1
View File
@@ -283,6 +283,7 @@ limitations under the License.
<provider
android:authorities="com.google.android.maps.mytracks"
android:exported="true"
android:grantUriPermissions="true"
android:name="com.google.android.apps.mytracks.content.MyTracksProvider"
android:readPermission="com.google.android.apps.mytracks.READ_TRACK_DATA"
android:writePermission="com.google.android.apps.mytracks.WRITE_TRACK_DATA" />
MyTracks/src/com/google/android/apps/mytracks/content/MyTracksProvider.java
+19
View File
@@ -34,10 +34,13 @@ import android.database.sqlite.SQLiteOpenHelper;
import android.database.sqlite.SQLiteQueryBuilder;
import android.net.Uri;
import android.os.Binder;
import android.os.ParcelFileDescriptor;
import android.os.Process;
import android.text.TextUtils;
import android.util.Log;
import java.io.File;
import java.io.FileNotFoundException;
import java.util.ArrayList;
/**
@@ -422,6 +425,22 @@ public class MyTracksProvider extends ContentProvider {
return count;
}
@Override
public ParcelFileDescriptor openFile(Uri uri, String mode) throws FileNotFoundException {
try {
File file = new File(uri.getPath());
if (file.exists()) {
return ParcelFileDescriptor.open(file, ParcelFileDescriptor.MODE_READ_ONLY);
}
throw new FileNotFoundException(uri.getPath());
} finally {
File[] files = getContext().getCacheDir().listFiles();
for (File file : files) {
file.delete();
}
}
}
/**
* Returns true if the caller can access the content provider.
*/
MyTracks/src/com/google/android/apps/mytracks/io/file/exporter/SaveActivity.java
+12 -9
View File
@@ -81,26 +81,29 @@ public class SaveActivity extends Activity {
return;
}
directoryDisplayName = playTrack ? FileUtils.getDirectoryDisplayName(
trackFileFormat.getExtension(), FileUtils.TEMP_DIR)
: FileUtils.getDirectoryDisplayName(trackFileFormat.getExtension());
String directoryPath = playTrack ? FileUtils.getDirectoryPath(
trackFileFormat.getExtension(), FileUtils.TEMP_DIR)
: FileUtils.getDirectoryPath(trackFileFormat.getExtension());
File directory = new File(directoryPath);
File directory = playTrack ? getCacheDir()
: new File(FileUtils.getDirectoryPath(trackFileFormat.getExtension()));
if (!FileUtils.ensureDirectoryExists(directory)) {
Toast.makeText(this, R.string.external_storage_not_writable, Toast.LENGTH_LONG).show();
finish();
return;
}
if (playTrack) {
for (File file : getCacheDir().listFiles()) {
file.delete();
}
}
directoryDisplayName = playTrack ? getCacheDir().getName()
: FileUtils.getDirectoryDisplayName(trackFileFormat.getExtension());
Object retained = getLastNonConfigurationInstance();
if (retained instanceof SaveAsyncTask) {
saveAsyncTask = (SaveAsyncTask) retained;
saveAsyncTask.setActivity(this);
} else {
saveAsyncTask = new SaveAsyncTask(this, trackFileFormat, trackIds, directory, playTrack);
saveAsyncTask = new SaveAsyncTask(this, trackIds, trackFileFormat, playTrack, directory);
saveAsyncTask.execute();
}
}
MyTracks/src/com/google/android/apps/mytracks/io/file/exporter/SaveAsyncTask.java
+9 -9
View File
@@ -46,10 +46,10 @@ public class SaveAsyncTask extends AsyncTask<Void, Integer, Boolean> {
private static final String TAG = SaveAsyncTask.class.getSimpleName();
private SaveActivity saveActivity;
private final TrackFileFormat trackFileFormat;
private final long[] trackIds;
private final File directory;
private final TrackFileFormat trackFileFormat;
private final boolean playTrack;
private final File directory;
private final Context context;
private final MyTracksProviderUtils myTracksProviderUtils;
@@ -72,19 +72,19 @@ public class SaveAsyncTask extends AsyncTask<Void, Integer, Boolean> {
* Creates an AsyncTask.
*
* @param saveActivity the activity currently associated with this task
* @param trackFileFormat the track file format
* @param trackIds the track ids to save. To save all, set to size 1 with
* trackIds[0] == -1L
* @param directory the directory to save to
* @param trackFileFormat the track file format
* @param playTrack true to play track
* @param directory the directory to write the file
*/
public SaveAsyncTask(SaveActivity saveActivity, TrackFileFormat trackFileFormat, long[] trackIds,
File directory, boolean playTrack) {
public SaveAsyncTask(SaveActivity saveActivity, long[] trackIds, TrackFileFormat trackFileFormat,
boolean playTrack, File directory) {
this.saveActivity = saveActivity;
this.trackFileFormat = trackFileFormat;
this.trackIds = trackIds;
this.directory = directory;
this.trackFileFormat = trackFileFormat;
this.playTrack = playTrack;
this.directory = directory;
context = saveActivity.getApplicationContext();
myTracksProviderUtils = MyTracksProviderUtils.Factory.get(context);
@@ -186,7 +186,7 @@ public class SaveAsyncTask extends AsyncTask<Void, Integer, Boolean> {
Track track = tracks[0];
boolean useKmz = !playTrack && trackFileFormat == TrackFileFormat.KML;
String extension = useKmz ? KmzTrackExporter.KMZ_EXTENSION : trackFileFormat.getExtension();
// Make sure the file doesn't exist yet (possibly by changing the filename)
String fileName = FileUtils.buildUniqueFileName(directory, track.getName(), extension);
if (fileName == null) {
MyTracks/src/com/google/android/apps/mytracks/util/GoogleEarthUtils.java
+23 -4
View File
@@ -16,13 +16,18 @@
package com.google.android.apps.mytracks.util;
import com.google.android.apps.mytracks.content.MyTracksProviderUtils;
import android.content.ContentResolver;
import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.content.pm.PackageManager.NameNotFoundException;
import android.content.pm.ResolveInfo;
import android.net.Uri;
import android.util.Log;
import java.io.File;
import java.util.List;
/**
@@ -32,14 +37,18 @@ import java.util.List;
*/
public class GoogleEarthUtils {
private static final String TAG = GoogleEarthUtils.class.getSimpleName();
private static final String GOOGLE_EARTH_CLASS = "com.google.earth.EarthActivity";
private static final String GOOGLE_EARTH_KML_MIME_TYPE = "application/vnd.google-earth.kml+xml";
private static final int GOOGLE_EARTH_MIN_VERSION_CODE = 13246120;
private static final String GOOGLE_EARTH_PACKAGE = "com.google.earth";
private static final String
GOOGLE_EARTH_TOUR_FEATURE_ID = "com.google.earth.EXTRA.tour_feature_id";
public static final String GOOGLE_EARTH_MARKET_URL = "market://details?id="
+ GOOGLE_EARTH_PACKAGE;
public static final String TOUR_FEATURE_ID_VALUE = "tour";
private GoogleEarthUtils() {}
@@ -55,7 +64,14 @@ public class GoogleEarthUtils {
for (ResolveInfo info : infos) {
if (info.activityInfo != null && info.activityInfo.packageName != null
&& info.activityInfo.packageName.equals(GOOGLE_EARTH_PACKAGE)) {
return true;
try {
PackageInfo packageInfo = context.getPackageManager()
.getPackageInfo(info.activityInfo.packageName, 0);
return packageInfo.versionCode >= GOOGLE_EARTH_MIN_VERSION_CODE;
} catch (NameNotFoundException e) {
Log.e(TAG, "Unable to get google earth package info", e);
return false;
}
}
}
return false;
@@ -67,9 +83,12 @@ public class GoogleEarthUtils {
* @param kmlFilePath the kml file path
*/
public static Intent getPlayInEarthIntent(String kmlFilePath) {
return new Intent().addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP | Intent.FLAG_ACTIVITY_NEW_TASK)
Uri uri = new Uri.Builder().scheme(ContentResolver.SCHEME_CONTENT)
.authority(MyTracksProviderUtils.AUTHORITY).path(kmlFilePath).build();
return new Intent().addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP | Intent.FLAG_ACTIVITY_NEW_TASK
| Intent.FLAG_GRANT_READ_URI_PERMISSION)
.putExtra(GOOGLE_EARTH_TOUR_FEATURE_ID, TOUR_FEATURE_ID_VALUE)
.setClassName(GOOGLE_EARTH_PACKAGE, GOOGLE_EARTH_CLASS)
.setDataAndType(Uri.fromFile(new File(kmlFilePath)), GOOGLE_EARTH_KML_MIME_TYPE);
.setDataAndType(uri, GOOGLE_EARTH_KML_MIME_TYPE);
}
}