Android Open Source - Calma Settings Preferences

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License

The source code is released under:
Apache License
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Java Source Code

/*
 * Copyright (C) 2012 The CyanogenMod Project
 */*from  www  .j  a  va 2 s . c o  m*/
 * 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.filemanager.activities.preferences;

import android.app.ActionBar;
import android.app.Fragment;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.os.Bundle;
import android.preference.PreferenceActivity;
import android.util.Log;
import android.view.MenuItem;
import android.view.View;
import android.widget.TextView;

import com.cyanogenmod.filemanager.R;
import com.cyanogenmod.filemanager.activities.ChangeLogActivity;
import com.cyanogenmod.filemanager.preferences.FileManagerSettings;
import com.cyanogenmod.filemanager.ui.ThemeManager;
import com.cyanogenmod.filemanager.ui.ThemeManager.Theme;
import com.cyanogenmod.filemanager.util.AndroidHelper;

import java.util.List;

/**
 * The {@link SettingsPreferences} preferences
 */
public class SettingsPreferences extends PreferenceActivity {

    private static final String TAG = "SettingsPreferences"; //$NON-NLS-1$

    private static final boolean DEBUG = false;

    private TextView mTitle;

    private final BroadcastReceiver mNotificationReceiver = new BroadcastReceiver() {
        @Override
        public void onReceive(Context context, Intent intent) {
            if (intent != null) {
                if (intent.getAction().compareTo(FileManagerSettings.INTENT_THEME_CHANGED) == 0) {
                    finish();
                }
            }
        }
    };

    /**
     * {@inheritDoc}
     */
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        if (DEBUG) {
            Log.d(TAG, "SettingsPreferences.onCreate"); //$NON-NLS-1$
        }

        // Register the broadcast receiver
        IntentFilter filter = new IntentFilter();
        filter.addAction(FileManagerSettings.INTENT_THEME_CHANGED);
        registerReceiver(this.mNotificationReceiver, filter);

        //Initialize action bars
        initTitleActionBar();

        // Apply the theme
        applyTheme();

        super.onCreate(savedInstanceState);
    }

    /**
     * {@inheritDoc}
     */
    @Override
    protected void onDestroy() {
        if (DEBUG) {
            Log.d(TAG, "SettingsPreferences.onDestroy"); //$NON-NLS-1$
        }

        // Unregister the receiver
        try {
            unregisterReceiver(this.mNotificationReceiver);
        } catch (Throwable ex) {
            /**NON BLOCK**/
        }

        //All destroy. Continue
        super.onDestroy();
    }

    /**
     * Method that initializes the titlebar of the activity.
     */
    private void initTitleActionBar() {
        //Configure the action bar options
        getActionBar().setBackgroundDrawable(
                getResources().getDrawable(R.drawable.bg_holo_titlebar));
        getActionBar().setDisplayOptions(
                ActionBar.DISPLAY_SHOW_CUSTOM | ActionBar.DISPLAY_SHOW_HOME);
        getActionBar().setDisplayHomeAsUpEnabled(true);
        View customTitle = getLayoutInflater().inflate(R.layout.simple_customtitle, null, false);
        this.mTitle = (TextView)customTitle.findViewById(R.id.customtitle_title);
        this.mTitle.setText(R.string.pref);
        this.mTitle.setContentDescription(getString(R.string.pref));
        getActionBar().setCustomView(customTitle);
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public void onBuildHeaders(List<Header> target) {
        loadHeadersFromResource(R.xml.preferences_headers, target);

        // Retrieve the about header
        Header aboutHeader = target.get(target.size()-1);
        try {
            String appver =
                    this.getPackageManager().getPackageInfo(this.getPackageName(), 0).versionName;
            aboutHeader.summary = getString(R.string.pref_about_summary, appver);
        } catch (Exception e) {
            aboutHeader.summary = getString(R.string.pref_about_summary, ""); //$NON-NLS-1$
        }
        aboutHeader.intent = new Intent(getApplicationContext(), ChangeLogActivity.class);
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
       switch (item.getItemId()) {
          case android.R.id.home:
              finish();
              return true;
          default:
             return super.onOptionsItemSelected(item);
       }
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public void onAttachFragment(Fragment fragment) {
        super.onAttachFragment(fragment);
        if (!AndroidHelper.isTablet(this) && fragment instanceof TitlePreferenceFragment) {
            this.mTitle.setText(((TitlePreferenceFragment)fragment).getTitle());
        } else {
            this.mTitle.setText(R.string.pref);
        }
    }

    /**
     * Method that applies the current theme to the activity
     * @hide
     */
    void applyTheme() {
        Theme theme = ThemeManager.getCurrentTheme(this);
        theme.setBaseTheme(this, false);

        //- ActionBar
        theme.setTitlebarDrawable(this, getActionBar(), "titlebar_drawable"); //$NON-NLS-1$
        View v = getActionBar().getCustomView().findViewById(R.id.customtitle_title);
        theme.setTextColor(this, (TextView)v, "text_color"); //$NON-NLS-1$
        // -View
        theme.setBackgroundDrawable(
                this,
                this.getWindow().getDecorView(),
                "background_drawable"); //$NON-NLS-1$
    }

}
Java Source Code List
