src/com/android/spare_parts/SpareParts.java - platform/packages/apps/SpareParts - Git at Google

 /* //device/apps/Settings/src/com/android/settings/Keyguard.java
 **
 ** Copyright 2006, The Android Open Source 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.android.spare_parts;

 import android.app.ActivityManagerNative;
 import android.content.Context;
 import android.content.Intent;
 import android.content.SharedPreferences;
 import android.content.pm.ApplicationInfo;
 import android.content.pm.PackageManager;
 import android.content.pm.ResolveInfo;
 import android.content.pm.PackageManager.NameNotFoundException;
 import android.content.res.Configuration;
 import android.os.RemoteException;
 import android.os.ServiceManager;
 import android.preference.CheckBoxPreference;
 import android.preference.ListPreference;
 import android.preference.Preference;
 import android.preference.PreferenceActivity;
 import android.preference.PreferenceGroup;
 import android.preference.PreferenceScreen;
 import android.provider.Settings;
 import android.provider.Settings.SettingNotFoundException;
 import android.os.Bundle;
 import android.util.Log;
 import android.view.IWindowManager;

 import java.util.List;

 public class SpareParts extends PreferenceActivity
         implements Preference.OnPreferenceChangeListener,
         SharedPreferences.OnSharedPreferenceChangeListener {
     private static final String TAG = "SpareParts";

     private static final String BATTERY_HISTORY_PREF = "battery_history_settings";
     private static final String BATTERY_INFORMATION_PREF = "battery_information_settings";
     private static final String USAGE_STATISTICS_PREF = "usage_statistics_settings";

     private static final String WINDOW_ANIMATIONS_PREF = "window_animations";
     private static final String TRANSITION_ANIMATIONS_PREF = "transition_animations";
     private static final String FANCY_IME_ANIMATIONS_PREF = "fancy_ime_animations";
     private static final String HAPTIC_FEEDBACK_PREF = "haptic_feedback";
     private static final String FONT_SIZE_PREF = "font_size";
     private static final String END_BUTTON_PREF = "end_button";
     private static final String KEY_COMPATIBILITY_MODE = "compatibility_mode";

     private final Configuration mCurConfig = new Configuration();

     private ListPreference mWindowAnimationsPref;
     private ListPreference mTransitionAnimationsPref;
     private CheckBoxPreference mFancyImeAnimationsPref;
     private CheckBoxPreference mHapticFeedbackPref;
     private ListPreference mFontSizePref;
     private ListPreference mEndButtonPref;
     private CheckBoxPreference mCompatibilityMode;

     private IWindowManager mWindowManager;

     public static boolean updatePreferenceToSpecificActivityOrRemove(Context context,
             PreferenceGroup parentPreferenceGroup, String preferenceKey, int flags) {

         Preference preference = parentPreferenceGroup.findPreference(preferenceKey);
         if (preference == null) {
             return false;
         }

         Intent intent = preference.getIntent();
         if (intent != null) {
             // Find the activity that is in the system image
             PackageManager pm = context.getPackageManager();
             List<ResolveInfo> list = pm.queryIntentActivities(intent, 0);
             int listSize = list.size();
             for (int i = 0; i < listSize; i++) {
                 ResolveInfo resolveInfo = list.get(i);
                 if ((resolveInfo.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM)
                         != 0) {

                     // Replace the intent with this specific activity
                     preference.setIntent(new Intent().setClassName(
                             resolveInfo.activityInfo.packageName,
                             resolveInfo.activityInfo.name));

                     return true;
                 }
             }
         }

         // Did not find a matching activity, so remove the preference
         parentPreferenceGroup.removePreference(preference);

         return true;
     }

     @Override
     public void onCreate(Bundle icicle) {
         super.onCreate(icicle);
         addPreferencesFromResource(R.xml.spare_parts);

         PreferenceScreen prefSet = getPreferenceScreen();

         mWindowAnimationsPref = (ListPreference) prefSet.findPreference(WINDOW_ANIMATIONS_PREF);
         mWindowAnimationsPref.setOnPreferenceChangeListener(this);
         mTransitionAnimationsPref = (ListPreference) prefSet.findPreference(TRANSITION_ANIMATIONS_PREF);
         mTransitionAnimationsPref.setOnPreferenceChangeListener(this);
         mFancyImeAnimationsPref = (CheckBoxPreference) prefSet.findPreference(FANCY_IME_ANIMATIONS_PREF);
         mHapticFeedbackPref = (CheckBoxPreference) prefSet.findPreference(HAPTIC_FEEDBACK_PREF);
         mFontSizePref = (ListPreference) prefSet.findPreference(FONT_SIZE_PREF);
         mFontSizePref.setOnPreferenceChangeListener(this);
         mEndButtonPref = (ListPreference) prefSet.findPreference(END_BUTTON_PREF);
         mEndButtonPref.setOnPreferenceChangeListener(this);
         mCompatibilityMode = (CheckBoxPreference) findPreference(KEY_COMPATIBILITY_MODE);
         mCompatibilityMode.setPersistent(false);
         mCompatibilityMode.setChecked(Settings.System.getInt(getContentResolver(),
                 Settings.System.COMPATIBILITY_MODE, 1) != 0);

         mWindowManager = IWindowManager.Stub.asInterface(ServiceManager.getService("window"));

         final PreferenceGroup parentPreference = getPreferenceScreen();
         updatePreferenceToSpecificActivityOrRemove(this, parentPreference,
                 BATTERY_HISTORY_PREF, 0);
         updatePreferenceToSpecificActivityOrRemove(this, parentPreference,
                 BATTERY_INFORMATION_PREF, 0);
         updatePreferenceToSpecificActivityOrRemove(this, parentPreference,
                 USAGE_STATISTICS_PREF, 0);

         parentPreference.getSharedPreferences().registerOnSharedPreferenceChangeListener(this);
     }

     private void updateToggles() {
         mFancyImeAnimationsPref.setChecked(Settings.System.getInt(
                 getContentResolver(),
                 Settings.System.FANCY_IME_ANIMATIONS, 0) != 0);
         mHapticFeedbackPref.setChecked(Settings.System.getInt(
                 getContentResolver(),
                 Settings.System.HAPTIC_FEEDBACK_ENABLED, 0) != 0);
     }

     public boolean onPreferenceChange(Preference preference, Object objValue) {
         if (preference == mWindowAnimationsPref) {
             writeAnimationPreference(0, objValue);
         } else if (preference == mTransitionAnimationsPref) {
             writeAnimationPreference(1, objValue);
         } else if (preference == mFontSizePref) {
             writeFontSizePreference(objValue);
         } else if (preference == mEndButtonPref) {
             writeEndButtonPreference(objValue);
         }
         // always let the preference setting proceed.
         return true;
     }

     @Override
     public boolean onPreferenceTreeClick(PreferenceScreen preferenceScreen, Preference preference) {
         if (preference == mCompatibilityMode) {
             Settings.System.putInt(getContentResolver(),
                     Settings.System.COMPATIBILITY_MODE,
                     mCompatibilityMode.isChecked() ? 1 : 0);
             return true;
         }
         return false;
     }

     public void writeAnimationPreference(int which, Object objValue) {
         try {
             float val = Float.parseFloat(objValue.toString());
             mWindowManager.setAnimationScale(which, val);
         } catch (NumberFormatException e) {
         } catch (RemoteException e) {
         }
     }

     public void writeFontSizePreference(Object objValue) {
         try {
             mCurConfig.fontScale = Float.parseFloat(objValue.toString());
             ActivityManagerNative.getDefault().updateConfiguration(mCurConfig);
         } catch (RemoteException e) {
         }
     }

     public void writeEndButtonPreference(Object objValue) {
         try {
             int val = Integer.parseInt(objValue.toString());
             Settings.System.putInt(getContentResolver(),
                     Settings.System.END_BUTTON_BEHAVIOR, val);
         } catch (NumberFormatException e) {
         }
     }

     int floatToIndex(float val, int resid) {
         String[] indices = getResources().getStringArray(resid);
         float lastVal = Float.parseFloat(indices[0]);
         for (int i=1; i<indices.length; i++) {
             float thisVal = Float.parseFloat(indices[i]);
             if (val < (lastVal + (thisVal-lastVal)*.5f)) {
                 return i-1;
             }
             lastVal = thisVal;
         }
         return indices.length-1;
     }

     public void readAnimationPreference(int which, ListPreference pref) {
         try {
             float scale = mWindowManager.getAnimationScale(which);
             pref.setValueIndex(floatToIndex(scale,
                     R.array.entryvalues_animations));
         } catch (RemoteException e) {
         }
     }

     public void readFontSizePreference(ListPreference pref) {
         try {
             mCurConfig.updateFrom(
                 ActivityManagerNative.getDefault().getConfiguration());
         } catch (RemoteException e) {
         }
         pref.setValueIndex(floatToIndex(mCurConfig.fontScale,
                 R.array.entryvalues_font_size));
     }

     public void readEndButtonPreference(ListPreference pref) {
         try {
             pref.setValueIndex(Settings.System.getInt(getContentResolver(),
                     Settings.System.END_BUTTON_BEHAVIOR));
         } catch (SettingNotFoundException e) {
         }
     }

     public void onSharedPreferenceChanged(SharedPreferences preferences, String key) {
         if (FANCY_IME_ANIMATIONS_PREF.equals(key)) {
             Settings.System.putInt(getContentResolver(),
                     Settings.System.FANCY_IME_ANIMATIONS,
                     mFancyImeAnimationsPref.isChecked() ? 1 : 0);
         } else if (HAPTIC_FEEDBACK_PREF.equals(key)) {
             Settings.System.putInt(getContentResolver(),
                     Settings.System.HAPTIC_FEEDBACK_ENABLED,
                     mHapticFeedbackPref.isChecked() ? 1 : 0);
         }
     }

     @Override
     public void onResume() {
         super.onResume();
         readAnimationPreference(0, mWindowAnimationsPref);
         readAnimationPreference(1, mTransitionAnimationsPref);
         readFontSizePreference(mFontSizePref);
         readEndButtonPreference(mEndButtonPref);
         updateToggles();
     }
 }
	/* //device/apps/Settings/src/com/android/settings/Keyguard.java
	**
	** Copyright 2006, The Android Open Source 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.android.spare_parts;

	import android.app.ActivityManagerNative;
	import android.content.Context;
	import android.content.Intent;
	import android.content.SharedPreferences;
	import android.content.pm.ApplicationInfo;
	import android.content.pm.PackageManager;
	import android.content.pm.ResolveInfo;
	import android.content.pm.PackageManager.NameNotFoundException;
	import android.content.res.Configuration;
	import android.os.RemoteException;
	import android.os.ServiceManager;
	import android.preference.CheckBoxPreference;
	import android.preference.ListPreference;
	import android.preference.Preference;
	import android.preference.PreferenceActivity;
	import android.preference.PreferenceGroup;
	import android.preference.PreferenceScreen;
	import android.provider.Settings;
	import android.provider.Settings.SettingNotFoundException;
	import android.os.Bundle;
	import android.util.Log;
	import android.view.IWindowManager;

	import java.util.List;

	public class SpareParts extends PreferenceActivity
	implements Preference.OnPreferenceChangeListener,
	SharedPreferences.OnSharedPreferenceChangeListener {
	private static final String TAG = "SpareParts";

	private static final String BATTERY_HISTORY_PREF = "battery_history_settings";
	private static final String BATTERY_INFORMATION_PREF = "battery_information_settings";
	private static final String USAGE_STATISTICS_PREF = "usage_statistics_settings";

	private static final String WINDOW_ANIMATIONS_PREF = "window_animations";
	private static final String TRANSITION_ANIMATIONS_PREF = "transition_animations";
	private static final String FANCY_IME_ANIMATIONS_PREF = "fancy_ime_animations";
	private static final String HAPTIC_FEEDBACK_PREF = "haptic_feedback";
	private static final String FONT_SIZE_PREF = "font_size";
	private static final String END_BUTTON_PREF = "end_button";
	private static final String KEY_COMPATIBILITY_MODE = "compatibility_mode";

	private final Configuration mCurConfig = new Configuration();

	private ListPreference mWindowAnimationsPref;
	private ListPreference mTransitionAnimationsPref;
	private CheckBoxPreference mFancyImeAnimationsPref;
	private CheckBoxPreference mHapticFeedbackPref;
	private ListPreference mFontSizePref;
	private ListPreference mEndButtonPref;
	private CheckBoxPreference mCompatibilityMode;

	private IWindowManager mWindowManager;

	public static boolean updatePreferenceToSpecificActivityOrRemove(Context context,
	PreferenceGroup parentPreferenceGroup, String preferenceKey, int flags) {

	Preference preference = parentPreferenceGroup.findPreference(preferenceKey);
	if (preference == null) {
	return false;
	}

	Intent intent = preference.getIntent();
	if (intent != null) {
	// Find the activity that is in the system image
	PackageManager pm = context.getPackageManager();
	List<ResolveInfo> list = pm.queryIntentActivities(intent, 0);
	int listSize = list.size();
	for (int i = 0; i < listSize; i++) {
	ResolveInfo resolveInfo = list.get(i);
	if ((resolveInfo.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM)
	!= 0) {

	// Replace the intent with this specific activity
	preference.setIntent(new Intent().setClassName(
	resolveInfo.activityInfo.packageName,
	resolveInfo.activityInfo.name));

	return true;
	}
	}
	}

	// Did not find a matching activity, so remove the preference
	parentPreferenceGroup.removePreference(preference);

	return true;
	}

	@Override
	public void onCreate(Bundle icicle) {
	super.onCreate(icicle);
	addPreferencesFromResource(R.xml.spare_parts);

	PreferenceScreen prefSet = getPreferenceScreen();

	mWindowAnimationsPref = (ListPreference) prefSet.findPreference(WINDOW_ANIMATIONS_PREF);
	mWindowAnimationsPref.setOnPreferenceChangeListener(this);
	mTransitionAnimationsPref = (ListPreference) prefSet.findPreference(TRANSITION_ANIMATIONS_PREF);
	mTransitionAnimationsPref.setOnPreferenceChangeListener(this);
	mFancyImeAnimationsPref = (CheckBoxPreference) prefSet.findPreference(FANCY_IME_ANIMATIONS_PREF);
	mHapticFeedbackPref = (CheckBoxPreference) prefSet.findPreference(HAPTIC_FEEDBACK_PREF);
	mFontSizePref = (ListPreference) prefSet.findPreference(FONT_SIZE_PREF);
	mFontSizePref.setOnPreferenceChangeListener(this);
	mEndButtonPref = (ListPreference) prefSet.findPreference(END_BUTTON_PREF);
	mEndButtonPref.setOnPreferenceChangeListener(this);
	mCompatibilityMode = (CheckBoxPreference) findPreference(KEY_COMPATIBILITY_MODE);
	mCompatibilityMode.setPersistent(false);
	mCompatibilityMode.setChecked(Settings.System.getInt(getContentResolver(),
	Settings.System.COMPATIBILITY_MODE, 1) != 0);

	mWindowManager = IWindowManager.Stub.asInterface(ServiceManager.getService("window"));

	final PreferenceGroup parentPreference = getPreferenceScreen();
	updatePreferenceToSpecificActivityOrRemove(this, parentPreference,
	BATTERY_HISTORY_PREF, 0);
	updatePreferenceToSpecificActivityOrRemove(this, parentPreference,
	BATTERY_INFORMATION_PREF, 0);
	updatePreferenceToSpecificActivityOrRemove(this, parentPreference,
	USAGE_STATISTICS_PREF, 0);

	parentPreference.getSharedPreferences().registerOnSharedPreferenceChangeListener(this);
	}

	private void updateToggles() {
	mFancyImeAnimationsPref.setChecked(Settings.System.getInt(
	getContentResolver(),
	Settings.System.FANCY_IME_ANIMATIONS, 0) != 0);
	mHapticFeedbackPref.setChecked(Settings.System.getInt(
	getContentResolver(),
	Settings.System.HAPTIC_FEEDBACK_ENABLED, 0) != 0);
	}

	public boolean onPreferenceChange(Preference preference, Object objValue) {
	if (preference == mWindowAnimationsPref) {
	writeAnimationPreference(0, objValue);
	} else if (preference == mTransitionAnimationsPref) {
	writeAnimationPreference(1, objValue);
	} else if (preference == mFontSizePref) {
	writeFontSizePreference(objValue);
	} else if (preference == mEndButtonPref) {
	writeEndButtonPreference(objValue);
	}
	// always let the preference setting proceed.
	return true;
	}

	@Override
	public boolean onPreferenceTreeClick(PreferenceScreen preferenceScreen, Preference preference) {
	if (preference == mCompatibilityMode) {
	Settings.System.putInt(getContentResolver(),
	Settings.System.COMPATIBILITY_MODE,
	mCompatibilityMode.isChecked() ? 1 : 0);
	return true;
	}
	return false;
	}

	public void writeAnimationPreference(int which, Object objValue) {
	try {
	float val = Float.parseFloat(objValue.toString());
	mWindowManager.setAnimationScale(which, val);
	} catch (NumberFormatException e) {
	} catch (RemoteException e) {
	}
	}

	public void writeFontSizePreference(Object objValue) {
	try {
	mCurConfig.fontScale = Float.parseFloat(objValue.toString());
	ActivityManagerNative.getDefault().updateConfiguration(mCurConfig);
	} catch (RemoteException e) {
	}
	}

	public void writeEndButtonPreference(Object objValue) {
	try {
	int val = Integer.parseInt(objValue.toString());
	Settings.System.putInt(getContentResolver(),
	Settings.System.END_BUTTON_BEHAVIOR, val);
	} catch (NumberFormatException e) {
	}
	}

	int floatToIndex(float val, int resid) {
	String[] indices = getResources().getStringArray(resid);
	float lastVal = Float.parseFloat(indices[0]);
	for (int i=1; i<indices.length; i++) {
	float thisVal = Float.parseFloat(indices[i]);
	if (val < (lastVal + (thisVal-lastVal)*.5f)) {
	return i-1;
	}
	lastVal = thisVal;
	}
	return indices.length-1;
	}

	public void readAnimationPreference(int which, ListPreference pref) {
	try {
	float scale = mWindowManager.getAnimationScale(which);
	pref.setValueIndex(floatToIndex(scale,
	R.array.entryvalues_animations));
	} catch (RemoteException e) {
	}
	}

	public void readFontSizePreference(ListPreference pref) {
	try {
	mCurConfig.updateFrom(
	ActivityManagerNative.getDefault().getConfiguration());
	} catch (RemoteException e) {
	}
	pref.setValueIndex(floatToIndex(mCurConfig.fontScale,
	R.array.entryvalues_font_size));
	}

	public void readEndButtonPreference(ListPreference pref) {
	try {
	pref.setValueIndex(Settings.System.getInt(getContentResolver(),
	Settings.System.END_BUTTON_BEHAVIOR));
	} catch (SettingNotFoundException e) {
	}
	}

	public void onSharedPreferenceChanged(SharedPreferences preferences, String key) {
	if (FANCY_IME_ANIMATIONS_PREF.equals(key)) {
	Settings.System.putInt(getContentResolver(),
	Settings.System.FANCY_IME_ANIMATIONS,
	mFancyImeAnimationsPref.isChecked() ? 1 : 0);
	} else if (HAPTIC_FEEDBACK_PREF.equals(key)) {
	Settings.System.putInt(getContentResolver(),
	Settings.System.HAPTIC_FEEDBACK_ENABLED,
	mHapticFeedbackPref.isChecked() ? 1 : 0);
	}
	}

	@Override
	public void onResume() {
	super.onResume();
	readAnimationPreference(0, mWindowAnimationsPref);
	readAnimationPreference(1, mTransitionAnimationsPref);
	readFontSizePreference(mFontSizePref);
	readEndButtonPreference(mEndButtonPref);
	updateToggles();
	}
	}