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platform_packages_apps_Launcher3
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Code Issues Projects Releases Wiki Activity

Use a plain DataOutputStream instead of SharedPreferences in Home.

This commit is contained in:
Romain Guy 2009-06-30 16:21:04 -07:00
parent 08f97496b7
commit 98d0165c88
1 changed files with 68 additions and 14 deletions
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82
src/com/android/launcher/Launcher.java
View File

@ -31,7 +31,6 @@ import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.SharedPreferences;
import android.content.Intent.ShortcutIconResource;
import android.content.pm.ActivityInfo;
import android.content.pm.PackageManager;
@ -91,6 +90,10 @@ import android.gesture.Prediction;
import java.lang.ref.WeakReference;
import java.util.ArrayList;
import java.util.LinkedList;
import java.io.DataOutputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.DataInputStream;
/**
* Default launcher application.
@ -141,10 +144,7 @@ public final class Launcher extends Activity implements View.OnClickListener, On
private static final int DIALOG_CREATE_SHORTCUT = 1;
static final int DIALOG_RENAME_FOLDER = 2;
private static final String PREFERENCES = "launcher";
private static final String KEY_LOCALE = "locale";
private static final String KEY_MCC = "mcc";
private static final String KEY_MNC = "mnc";
private static final String PREFERENCES = "launcher.preferences";
// Type: int
private static final String RUNTIME_STATE_CURRENT_SCREEN = "launcher.current_screen";
@ -284,26 +284,80 @@ public final class Launcher extends Activity implements View.OnClickListener, On
}
private void checkForLocaleChange() {
final SharedPreferences preferences = getSharedPreferences(PREFERENCES, MODE_PRIVATE);
final LocaleConfiguration localeConfiguration = new LocaleConfiguration();
readConfiguration(this, localeConfiguration);
final Configuration configuration = getResources().getConfiguration();
final String previousLocale = preferences.getString(KEY_LOCALE, null);
final String previousLocale = localeConfiguration.locale;
final String locale = configuration.locale.toString();
final int previousMcc = preferences.getInt(KEY_MCC, -1);
final int previousMcc = localeConfiguration.mcc;
final int mcc = configuration.mcc;
final int previousMnc = preferences.getInt(KEY_MNC, -1);
final int previousMnc = localeConfiguration.mnc;
final int mnc = configuration.mnc;
mLocaleChanged = !locale.equals(previousLocale) || mcc != previousMcc || mnc != previousMnc;
if (mLocaleChanged) {
final SharedPreferences.Editor editor = preferences.edit();
editor.putString(KEY_LOCALE, locale);
editor.putInt(KEY_MCC, mcc);
editor.putInt(KEY_MNC, mnc);
editor.commit();
localeConfiguration.locale = locale;
localeConfiguration.mcc = mcc;
localeConfiguration.mnc = mnc;
writeConfiguration(this, localeConfiguration);
}
}
private static class LocaleConfiguration {
public String locale;
public int mcc = -1;
public int mnc = -1;
}
private static void readConfiguration(Context context, LocaleConfiguration configuration) {
DataInputStream in = null;
try {
in = new DataInputStream(context.openFileInput(PREFERENCES));
configuration.locale = in.readUTF();
configuration.mcc = in.readInt();
configuration.mnc = in.readInt();
} catch (FileNotFoundException e) {
// Ignore
} catch (IOException e) {
// Ignore
} finally {
if (in != null) {
try {
in.close();
} catch (IOException e) {
// Ignore
}
}
}
}
private static void writeConfiguration(Context context, LocaleConfiguration configuration) {
DataOutputStream out = null;
try {
out = new DataOutputStream(context.openFileOutput(PREFERENCES, MODE_PRIVATE));
out.writeUTF(configuration.locale);
out.writeInt(configuration.mcc);
out.writeInt(configuration.mnc);
out.flush();
} catch (FileNotFoundException e) {
// Ignore
} catch (IOException e) {
//noinspection ResultOfMethodCallIgnored
context.getFileStreamPath(PREFERENCES).delete();
} finally {
if (out != null) {
try {
out.close();
} catch (IOException e) {
// Ignore
}
}
}
}