diff options
Diffstat (limited to 'src/org/cyanogenmod/wallpapers/photophase/AndroidHelper.java')
-rw-r--r-- | src/org/cyanogenmod/wallpapers/photophase/AndroidHelper.java | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/src/org/cyanogenmod/wallpapers/photophase/AndroidHelper.java b/src/org/cyanogenmod/wallpapers/photophase/AndroidHelper.java new file mode 100644 index 0000000..a7bcd59 --- /dev/null +++ b/src/org/cyanogenmod/wallpapers/photophase/AndroidHelper.java @@ -0,0 +1,96 @@ +/* + * Copyright (C) 2013 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 org.cyanogenmod.wallpapers.photophase; + +import android.app.Activity; +import android.content.Context; +import android.content.res.Configuration; +import android.content.res.Resources; +import android.util.DisplayMetrics; +import android.view.ViewConfiguration; + +/** + * A helper class with useful methods for deal with android. + */ +public final class AndroidHelper { + + /** + * Method that returns if the device is a tablet + * + * @param ctx The current context + * @return boolean If device is a table + */ + public static boolean isTablet(Context ctx) { + Configuration configuration = ctx.getResources().getConfiguration(); + return (configuration.screenLayout & Configuration.SCREENLAYOUT_SIZE_MASK) + >= Configuration.SCREENLAYOUT_SIZE_LARGE; + } + + /** + * Method that returns if an option menu has to be displayed + * + * @param ctx The current context + * @return boolean If an option menu has to be displayed + */ + public static boolean showOptionsMenu(Context ctx) { + // Show overflow button? + return !ViewConfiguration.get(ctx).hasPermanentMenuKey(); + } + + /** + * This method converts dp unit to equivalent device specific value in pixels. + * + * @param ctx The current context + * @param dp A value in dp (Device independent pixels) unit + * @return float A float value to represent Pixels equivalent to dp according to device + */ + public static float convertDpToPixel(Context ctx, float dp) { + Resources resources = ctx.getResources(); + DisplayMetrics metrics = resources.getDisplayMetrics(); + return dp * (metrics.densityDpi / 160f); + } + + /** + * This method converts device specific pixels to device independent pixels. + * + * @param ctx The current context + * @param px A value in px (pixels) unit + * @return A float value to represent dp equivalent to px value + */ + public static float convertPixelsToDp(Context ctx, float px) { + Resources resources = ctx.getResources(); + DisplayMetrics metrics = resources.getDisplayMetrics(); + return px / (metrics.densityDpi / 160f); + } + + /** + * Calculate the dimension of the status bar + * + * @param context The current context + * @return The height of the status bar + */ + public static int calculateStatusBarHeight(Context context) { + int result = 0; + if (!(context instanceof Activity)) { + int resourceId = context.getResources().getIdentifier("status_bar_height", "dimen", "android"); + if (resourceId > 0) { + result = context.getResources().getDimensionPixelSize(resourceId); + } + } + return result; + } +} |