diff options
Diffstat (limited to 'DeviceSettings/src/com/cyanogenmod/settings/device/Utils.java')
| -rw-r--r-- | DeviceSettings/src/com/cyanogenmod/settings/device/Utils.java | 163 |
1 files changed, 163 insertions, 0 deletions
diff --git a/DeviceSettings/src/com/cyanogenmod/settings/device/Utils.java b/DeviceSettings/src/com/cyanogenmod/settings/device/Utils.java new file mode 100644 index 0000000..4ca2e9e --- /dev/null +++ b/DeviceSettings/src/com/cyanogenmod/settings/device/Utils.java @@ -0,0 +1,163 @@ +/* + * Copyright (C) 2012 The CyanogenMod Project + * + * 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.cyanogenmod.settings.device; + +import android.util.Log; + +import java.io.BufferedReader; +import java.io.File; +import java.io.FileNotFoundException; +import java.io.FileOutputStream; +import java.io.FileReader; +import java.io.IOException; +import java.io.SyncFailedException; +import android.app.AlertDialog; +import android.content.DialogInterface; +import android.content.Context; + +public class Utils { + + private static final String TAG = "DeviceSettings_Utils"; + private static final String TAG_READ = "DeviceSettings_Utils_Read"; + private static final String TAG_WRITE = "DeviceSettings_Utils_Write"; + + // Read value from sysfs interface + public static String readOneLine(String sFile) { + BufferedReader brBuffer; + String sLine = null; + + try { + brBuffer = new BufferedReader(new FileReader(sFile), 512); + try { + sLine = brBuffer.readLine(); + } finally { + Log.w(TAG_READ, "file " + sFile + ": " + sLine); + brBuffer.close(); + } + } catch (Exception e) { + Log.e(TAG_READ, "IO Exception when reading /sys/ file", e); + } + return sLine; + } + + /** + * Write a string value to the specified file. + * + * @param filename The filename + * @param value The value + */ + public static void writeValue(String filename, String value) { + FileOutputStream fos = null; + try { + fos = new FileOutputStream(new File(filename), false); + fos.write(value.getBytes()); + fos.flush(); + // fos.getFD().sync(); + } catch (FileNotFoundException ex) { + Log.w(TAG, "file " + filename + " not found: " + ex); + } catch (SyncFailedException ex) { + Log.w(TAG, "file " + filename + " sync failed: " + ex); + } catch (IOException ex) { + Log.w(TAG, "IOException trying to sync " + filename + ": " + ex); + } catch (RuntimeException ex) { + Log.w(TAG, "exception while syncing file: ", ex); + } finally { + if (fos != null) { + try { + Log.w(TAG_WRITE, "file " + filename + ": " + value); + fos.close(); + } catch (IOException ex) { + Log.w(TAG, "IOException while closing synced file: ", ex); + } catch (RuntimeException ex) { + Log.w(TAG, "exception while closing file: ", ex); + } + } + } + + } + + /** + * Write a string value to the specified file. + * + * @param filename The filename + * @param value The value + */ + public static void writeValue(String filename, Boolean value) { + FileOutputStream fos = null; + String sEnvia; + try { + fos = new FileOutputStream(new File(filename), false); + if (value) + sEnvia = "1"; + else + sEnvia = "0"; + fos.write(sEnvia.getBytes()); + fos.flush(); + // fos.getFD().sync(); + } catch (FileNotFoundException ex) { + Log.w(TAG, "file " + filename + " not found: " + ex); + } catch (SyncFailedException ex) { + Log.w(TAG, "file " + filename + " sync failed: " + ex); + } catch (IOException ex) { + Log.w(TAG, "IOException trying to sync " + filename + ": " + ex); + } catch (RuntimeException ex) { + Log.w(TAG, "exception while syncing file: ", ex); + } finally { + if (fos != null) { + try { + Log.w(TAG_WRITE, "file " + filename + ": " + value); + fos.close(); + } catch (IOException ex) { + Log.w(TAG, "IOException while closing synced file: ", ex); + } catch (RuntimeException ex) { + Log.w(TAG, "exception while closing file: ", ex); + } + } + } + } + + /** + * Write the "color value" to the specified file. The value is scaled from + * an integer to an unsigned integer by multiplying by 2. + * @param filename The filename + * @param value The value of max value Integer.MAX + */ + public static void writeColor(String filename, int value) { + writeValue(filename, String.valueOf((long) value * 2)); + } + + /** + * Check if the specified file exists. + * @param filename The filename + * @return Whether the file exists or not + */ + public static boolean fileExists(String filename) { + return new File(filename).exists(); + } + + public static void showDialog(Context ctx, String title, String message) { + final AlertDialog alertDialog = new AlertDialog.Builder(ctx).create(); + alertDialog.setTitle(title); + alertDialog.setMessage(message); + alertDialog.setButton("OK", new DialogInterface.OnClickListener() { + public void onClick(DialogInterface dialog, int which) { + alertDialog.dismiss(); + } + }); + alertDialog.show(); + } +} |