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Android library for better number/date/time-picker DialogFragments.
package com.actionbarsherlock.internal;
import android.app.Activity;
import android.content.Context;
import android.content.res.AssetManager;
import android.content.res.XmlResourceParser;
import android.os.Build;
import android.util.DisplayMetrics;
import android.util.Log;
import com.actionbarsherlock.ActionBarSherlock;
import com.actionbarsherlock.R;
import org.xmlpull.v1.XmlPullParser;
public final class ResourcesCompat {
private static final String TAG = "ResourcesCompat";
//No instances
private ResourcesCompat() {}
/**
* Support implementation of {@code getResources().getBoolean()} that we
* can use to simulate filtering based on width and smallest width
* qualifiers on pre-3.2.
*
* @param context Context to load booleans from on 4.0+ and to fetch the
* display metrics.
* @param id Id of boolean to load.
* @return Associated boolean value as reflected by the current display
* metrics.
*/
public static boolean getResources_getBoolean(Context context, int id) {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) {
return context.getResources().getBoolean(id);
}
DisplayMetrics metrics = context.getResources().getDisplayMetrics();
float widthDp = metrics.widthPixels / metrics.density;
float heightDp = metrics.heightPixels / metrics.density;
float smallestWidthDp = (widthDp < heightDp) ? widthDp : heightDp;
if (id == R.bool.abs__action_bar_embed_tabs) {
if (widthDp >= 480) {
return true; //values-w480dp
}
return false; //values
}
if (id == R.bool.abs__split_action_bar_is_narrow) {
if (widthDp >= 480) {
return false; //values-w480dp
}
return true; //values
}
if (id == R.bool.abs__action_bar_expanded_action_views_exclusive) {
if (smallestWidthDp >= 600) {
return false; //values-sw600dp
}
return true; //values
}
if (id == R.bool.abs__config_allowActionMenuItemTextWithIcon) {
if (widthDp >= 480) {
return true; //values-w480dp
}
return false; //values
}
throw new IllegalArgumentException("Unknown boolean resource ID " + id);
}
/**
* Support implementation of {@code getResources().getInteger()} that we
* can use to simulate filtering based on width qualifiers on pre-3.2.
*
* @param context Context to load integers from on 3.2+ and to fetch the
* display metrics.
* @param id Id of integer to load.
* @return Associated integer value as reflected by the current display
* metrics.
*/
public static int getResources_getInteger(Context context, int id) {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB_MR2) {
return context.getResources().getInteger(id);
}
DisplayMetrics metrics = context.getResources().getDisplayMetrics();
float widthDp = metrics.widthPixels / metrics.density;
if (id == R.integer.abs__max_action_buttons) {
if (widthDp >= 600) {
return 5; //values-w600dp
}
if (widthDp >= 500) {
return 4; //values-w500dp
}
if (widthDp >= 360) {
return 3; //values-w360dp
}
return 2; //values
}
throw new IllegalArgumentException("Unknown integer resource ID " + id);
}
/**
* Attempt to programmatically load the logo from the manifest file of an
* activity by using an XML pull parser. This should allow us to read the
* logo attribute regardless of the platform it is being run on.
*
* @param activity Activity instance.
* @return Logo resource ID.
*/
public static int loadLogoFromManifest(Activity activity) {
int logo = 0;
try {
final String thisPackage = activity.getClass().getName();
if (ActionBarSherlock.DEBUG) Log.i(TAG, "Parsing AndroidManifest.xml for " + thisPackage);
final String packageName = activity.getApplicationInfo().packageName;
final AssetManager am = activity.createPackageContext(packageName, 0).getAssets();
final XmlResourceParser xml = am.openXmlResourceParser("AndroidManifest.xml");
int eventType = xml.getEventType();
while (eventType != XmlPullParser.END_DOCUMENT) {
if (eventType == XmlPullParser.START_TAG) {
String name = xml.getName();
if ("application".equals(name)) {
//Check if the has the attribute
if (ActionBarSherlock.DEBUG) Log.d(TAG, "Got ");
for (int i = xml.getAttributeCount() - 1; i >= 0; i--) {
if (ActionBarSherlock.DEBUG) Log.d(TAG, xml.getAttributeName(i) + ": " + xml.getAttributeValue(i));
if ("logo".equals(xml.getAttributeName(i))) {
logo = xml.getAttributeResourceValue(i, 0);
break; //out of for loop
}
}
} else if ("activity".equals(name)) {
//Check if the is us and has the attribute
if (ActionBarSherlock.DEBUG) Log.d(TAG, "Got ");
Integer activityLogo = null;
String activityPackage = null;
boolean isOurActivity = false;
for (int i = xml.getAttributeCount() - 1; i >= 0; i--) {
if (ActionBarSherlock.DEBUG) Log.d(TAG, xml.getAttributeName(i) + ": " + xml.getAttributeValue(i));
//We need both uiOptions and name attributes
String attrName = xml.getAttributeName(i);
if ("logo".equals(attrName)) {
activityLogo = xml.getAttributeResourceValue(i, 0);
} else if ("name".equals(attrName)) {
activityPackage = ActionBarSherlockCompat.cleanActivityName(packageName, xml.getAttributeValue(i));
if (!thisPackage.equals(activityPackage)) {
break; //on to the next
}
isOurActivity = true;
}
//Make sure we have both attributes before processing
if ((activityLogo != null) && (activityPackage != null)) {
//Our activity, logo specified, override with our value
logo = activityLogo.intValue();
}
}
if (isOurActivity) {
//If we matched our activity but it had no logo don't
//do any more processing of the manifest
break;
}
}
}
eventType = xml.nextToken();
}
} catch (Exception e) {
e.printStackTrace();
}
if (ActionBarSherlock.DEBUG) Log.i(TAG, "Returning " + Integer.toHexString(logo));
return logo;
}
}