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Diffstat (limited to 'DeviceSettings/src/com/cyanogenmod/settings/device/Utils.java')
-rw-r--r--DeviceSettings/src/com/cyanogenmod/settings/device/Utils.java163
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
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+++ b/DeviceSettings/src/com/cyanogenmod/settings/device/Utils.java
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+/*
+ * 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();
+ }
+}