Android Open Source - PhoneProfiles_Eclipse Brightness Dialog Preference

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License

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

/**
 * Copyright CMW Mobile.com, 2010.//from ww w. ja  v  a  2s.c o m
 */
package sk.henrichg.phoneprofiles;

import android.annotation.SuppressLint;
import android.content.Context;
import android.content.DialogInterface;

import android.content.res.TypedArray;

import android.preference.DialogPreference;
import android.provider.Settings;
import android.util.AttributeSet;
import android.view.LayoutInflater;
import android.view.View;
import android.view.Window;
import android.view.WindowManager;
import android.view.WindowManager.LayoutParams;

import android.widget.CheckBox;
import android.widget.SeekBar;
import android.widget.TextView;
import android.widget.CompoundButton;

/**
 * The SeekBarDialogPreference class is a DialogPreference based and provides a
 * seekbar preference.
 * @author Casper Wakkers
 */
public class BrightnessDialogPreference extends
    DialogPreference implements SeekBar.OnSeekBarChangeListener, CompoundButton.OnCheckedChangeListener {

  Context _context = null;
  
  // Layout widgets.
  private SeekBar seekBar = null;
  private TextView valueText = null;
  private CheckBox noChangeChBox = null; 
  private CheckBox automaticChBox = null; 
  private CheckBox defaultProfileChBox = null;

  // Custom xml attributes.
  private int noChange = 0;
  private int automatic = 0;
  private int defaultProfile = 0;
  private int disableDefaultProfile = 0;
  
  private int maximumValue = 100;
  private int minimumValue = 0;
  private int stepSize = 1;

  private String sValue = "";
  private int value = 0;

  Profile _defaultProfile;
  
  private int savedBrightness;
  private float savedAdaptiveBrightness;
  private int savedBrightnessMode;
  
  /**
   * The SeekBarDialogPreference constructor.
   * @param context of this preference.
   * @param attrs custom xml attributes.
   */
  public BrightnessDialogPreference(Context context, AttributeSet attrs) {
    super(context, attrs);
    
    _context = context;

    TypedArray typedArray = context.obtainStyledAttributes(attrs,
      R.styleable.BrightnessDialogPreference);

    noChange = typedArray.getInteger(
      R.styleable.BrightnessDialogPreference_bNoChange, 1);
    automatic = typedArray.getInteger(
      R.styleable.BrightnessDialogPreference_bAutomatic, 1);
    defaultProfile = typedArray.getInteger(
        R.styleable.BrightnessDialogPreference_bDefaultProfile, 0);
    disableDefaultProfile = typedArray.getInteger(
        R.styleable.BrightnessDialogPreference_bDisableDefaultProfile, 0);

    typedArray.recycle();
    
    _defaultProfile = GlobalData.getDefaultProfile(_context);
    
    savedBrightness = Settings.System.getInt(_context.getContentResolver(), Settings.System.SCREEN_BRIGHTNESS, 128);
    savedBrightnessMode = Settings.System.getInt(_context.getContentResolver(), Settings.System.SCREEN_BRIGHTNESS_MODE, Settings.System.SCREEN_BRIGHTNESS_MODE_AUTOMATIC);
    if (android.os.Build.VERSION.SDK_INT >= 21) // for Android 5.0: adaptive brightness
      savedAdaptiveBrightness = Settings.System.getFloat(_context.getContentResolver(), ActivateProfileHelper.ADAPTIVE_BRIGHTNESS_SETTING_NAME, 0f);
    
  }
  /**
   * {@inheritDoc}
   */
  @SuppressLint("InflateParams")
  protected View onCreateDialogView() {
    LayoutInflater layoutInflater = LayoutInflater.from(getContext());

    View view = layoutInflater.inflate(
      R.layout.activity_brightness_pref_dialog, null);

    seekBar = (SeekBar)view.findViewById(R.id.brightnessPrefDialogSeekbar);
    valueText = (TextView)view.findViewById(R.id.brightnessPrefDialogValueText);
    noChangeChBox = (CheckBox)view.findViewById(R.id.brightnessPrefDialogNoChange);
    automaticChBox = (CheckBox)view.findViewById(R.id.brightnessPrefDialogAutomatic);
    defaultProfileChBox = (CheckBox)view.findViewById(R.id.brightnessPrefDialogDefaultProfile);

    if (android.os.Build.VERSION.SDK_INT >= 21) // for Android 5.0: adaptive brightness
      automaticChBox.setText(R.string.preference_profile_adaptiveBrightness);
    
    seekBar.setOnSeekBarChangeListener(this);
    seekBar.setKeyProgressIncrement(stepSize);
    seekBar.setMax(maximumValue - minimumValue);
    
    getValueBDP();
    
    seekBar.setProgress(value);
    
    noChangeChBox.setOnCheckedChangeListener(this);
    noChangeChBox.setChecked((noChange == 1));

    automaticChBox.setOnCheckedChangeListener(this);
    automaticChBox.setChecked((automatic == 1));
    
    defaultProfileChBox.setOnCheckedChangeListener(this);
    defaultProfileChBox.setChecked((defaultProfile == 1));
    defaultProfileChBox.setEnabled(disableDefaultProfile == 0);

    if (noChange == 1)
      defaultProfileChBox.setChecked(false);
    if (defaultProfile == 1)
      noChangeChBox.setChecked(false);

    /*
    boolean isAutomatic = (automatic == 1);
    if (android.os.Build.VERSION.SDK_INT >= 21) // for Android 5.0: adaptive brightness
      isAutomatic = false;
    valueText.setEnabled((noChange == 0) && (defaultProfile == 0) && (!isAutomatic));
    seekBar.setEnabled((noChange == 0) && (defaultProfile == 0) && (!isAutomatic));
    */
    valueText.setEnabled((noChange == 0) && (defaultProfile == 0));
    seekBar.setEnabled((noChange == 0) && (defaultProfile == 0));
    automaticChBox.setEnabled((noChange == 0) && (defaultProfile == 0));
    
    return view;
  }

  protected void onDialogClosed (boolean positiveResult)
  {
    Settings.System.putInt(_context.getContentResolver(), Settings.System.SCREEN_BRIGHTNESS_MODE, savedBrightnessMode);
    Settings.System.putInt(_context.getContentResolver(), Settings.System.SCREEN_BRIGHTNESS, savedBrightness);
    if (android.os.Build.VERSION.SDK_INT >= 21) // for Android 5.0: adaptive brightness
      Settings.System.putFloat(_context.getContentResolver(), ActivateProfileHelper.ADAPTIVE_BRIGHTNESS_SETTING_NAME, savedAdaptiveBrightness);

    Window win = ProfilePreferencesFragment.getPreferencesActivity().getWindow();
    WindowManager.LayoutParams layoutParams = win.getAttributes();
    layoutParams.screenBrightness = LayoutParams.BRIGHTNESS_OVERRIDE_NONE;
    win.setAttributes(layoutParams);
  }
  
  /**
   * {@inheritDoc}
   */
  public void onProgressChanged(SeekBar seek, int newValue,
      boolean fromTouch) {
    // Round the value to the closest integer value.
    if (stepSize >= 1) {
      value = Math.round(newValue/stepSize)*stepSize;
    }
    else {
      value = newValue;
    }

    // Set the valueText text.
    valueText.setText(String.valueOf(value));

    if (automatic == 1)
      Settings.System.putInt(_context.getContentResolver(), Settings.System.SCREEN_BRIGHTNESS_MODE, Settings.System.SCREEN_BRIGHTNESS_MODE_AUTOMATIC);
    else
      Settings.System.putInt(_context.getContentResolver(), Settings.System.SCREEN_BRIGHTNESS_MODE, Settings.System.SCREEN_BRIGHTNESS_MODE_MANUAL);
    Settings.System.putInt(_context.getContentResolver(), Settings.System.SCREEN_BRIGHTNESS, 
                Profile.convertPercentsToBrightnessManualValue(value + minimumValue, _context));
    if (android.os.Build.VERSION.SDK_INT >= 21) // for Android 5.0: adaptive brightness
    {
      Settings.System.putFloat(_context.getContentResolver(), ActivateProfileHelper.ADAPTIVE_BRIGHTNESS_SETTING_NAME, 
                Profile.convertPercentsToBrightnessAdaptiveValue(value + minimumValue, _context));
    }
    
    Window win = ProfilePreferencesFragment.getPreferencesActivity().getWindow();
    WindowManager.LayoutParams layoutParams = win.getAttributes();
    //layoutParams.screenBrightness = (float)(value + minimumValue) / maximumValue;
    layoutParams.screenBrightness = LayoutParams.BRIGHTNESS_OVERRIDE_NONE;
    win.setAttributes(layoutParams);

    callChangeListener(value);
  }

  public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {

    //Log.d("SeekBarNoChangeDialogPreference.onCheckedChanged", Boolean.toString(isChecked));

    /*
    boolean isAutomatic = (automatic == 1);
    if (android.os.Build.VERSION.SDK_INT >= 21) // for Android 5.0: adaptive brightness
      isAutomatic = false;  // enable change value via seek bar
    */
    
    if (buttonView.getId() == R.id.brightnessPrefDialogNoChange)
    {
      noChange = (isChecked)? 1 : 0;

      /*
      valueText.setEnabled((noChange == 0) && (defaultProfile == 0) && (!isAutomatic));
      seekBar.setEnabled((noChange == 0) && (defaultProfile == 0) && (!isAutomatic));
      */
      valueText.setEnabled((noChange == 0) && (defaultProfile == 0));
      seekBar.setEnabled((noChange == 0) && (defaultProfile == 0));
      automaticChBox.setEnabled((noChange == 0) && (defaultProfile == 0));
      if (isChecked)
        defaultProfileChBox.setChecked(false);
    }

    if (buttonView.getId() == R.id.brightnessPrefDialogDefaultProfile)
    {
      defaultProfile = (isChecked)? 1 : 0;

      /*
      valueText.setEnabled((noChange == 0) && (defaultProfile == 0) && (!isAutomatic));
      seekBar.setEnabled((noChange == 0) && (defaultProfile == 0) && (!isAutomatic));
      */
      valueText.setEnabled((noChange == 0) && (defaultProfile == 0));
      seekBar.setEnabled((noChange == 0) && (defaultProfile == 0));
      automaticChBox.setEnabled((noChange == 0) && (defaultProfile == 0));
      if (isChecked)
        noChangeChBox.setChecked(false);
    }
    
    if (buttonView.getId() == R.id.brightnessPrefDialogAutomatic)
    {
      automatic = (isChecked)? 1 : 0;

      /*
      isAutomatic = (automatic == 1);
      if (android.os.Build.VERSION.SDK_INT >= 21) // for Android 5.0: adaptive brightness
        isAutomatic = false;  // enable change value via seek bar
      
      valueText.setEnabled((noChange == 0) && (defaultProfile == 0) && (!isAutomatic));
      seekBar.setEnabled((noChange == 0) && (defaultProfile == 0) && (!isAutomatic));
      */
      valueText.setEnabled((noChange == 0) && (defaultProfile == 0));
      seekBar.setEnabled((noChange == 0) && (defaultProfile == 0));
    }
    
    // get values from defaultProfile when default profile checkbox is checked
    int _automatic = automatic;
    int _noChange = noChange;
    int _value = value;
    if (defaultProfile == 1)
    {
      _automatic = (_defaultProfile.getDeviceBrightnessAutomatic()) ? 1 : 0;
      _noChange = (_defaultProfile.getDeviceBrightnessChange()) ? 0 : 1;
      _value = _defaultProfile.getDeviceBrightnessValue();

      /*
      isAutomatic = (_automatic == 1);
      if (android.os.Build.VERSION.SDK_INT >= 21) // for Android 5.0: adaptive brightness
        isAutomatic = false;  // enable change value via seek bar
      */
    }
    
    if (/*(isAutomatic) || */(_noChange == 1)) 
    {
      Settings.System.putInt(_context.getContentResolver(), Settings.System.SCREEN_BRIGHTNESS_MODE, savedBrightnessMode);
      Settings.System.putInt(_context.getContentResolver(), Settings.System.SCREEN_BRIGHTNESS, savedBrightness);
      if (android.os.Build.VERSION.SDK_INT >= 21) // for Android 5.0: adaptive brightness
        Settings.System.putFloat(_context.getContentResolver(), ActivateProfileHelper.ADAPTIVE_BRIGHTNESS_SETTING_NAME, savedAdaptiveBrightness);

      Window win = ProfilePreferencesFragment.getPreferencesActivity().getWindow();
      WindowManager.LayoutParams layoutParams = win.getAttributes();
      layoutParams.screenBrightness = LayoutParams.BRIGHTNESS_OVERRIDE_NONE;
      win.setAttributes(layoutParams);
    }
    else
    {
      if (_automatic == 1)
        Settings.System.putInt(_context.getContentResolver(), Settings.System.SCREEN_BRIGHTNESS_MODE, Settings.System.SCREEN_BRIGHTNESS_MODE_AUTOMATIC);
      else
        Settings.System.putInt(_context.getContentResolver(), Settings.System.SCREEN_BRIGHTNESS_MODE, Settings.System.SCREEN_BRIGHTNESS_MODE_MANUAL);
      Settings.System.putInt(_context.getContentResolver(), Settings.System.SCREEN_BRIGHTNESS, 
                  Profile.convertPercentsToBrightnessManualValue(_value + minimumValue, _context));
      if (android.os.Build.VERSION.SDK_INT >= 21) // for Android 5.0: adaptive brightness
      {
        Settings.System.putFloat(_context.getContentResolver(), ActivateProfileHelper.ADAPTIVE_BRIGHTNESS_SETTING_NAME, 
                  Profile.convertPercentsToBrightnessAdaptiveValue(_value + minimumValue, _context));
      }
      
      Window win = ProfilePreferencesFragment.getPreferencesActivity().getWindow();
      WindowManager.LayoutParams layoutParams = win.getAttributes();
      layoutParams.screenBrightness = LayoutParams.BRIGHTNESS_OVERRIDE_NONE;
      win.setAttributes(layoutParams);
    }
    
    callChangeListener(noChange);
  }
  
  /**
   * {@inheritDoc}
   */
  public void onStartTrackingTouch(SeekBar seek) {
  }
  /**
   * {@inheritDoc}
   */
  public void onStopTrackingTouch(SeekBar seek) {
  }
  /**
   * {@inheritDoc}
   */
  public void onClick(DialogInterface dialog, int which) {
    // if the positive button is clicked, we persist the value.
    if (which == DialogInterface.BUTTON_POSITIVE) {
      if (shouldPersist()) {
        persistString(Integer.toString(value + minimumValue)
            + "|" + Integer.toString(noChange)
            + "|" + Integer.toString(automatic)
            + "|" + Integer.toString(defaultProfile));
        setSummaryBDP();
      }
    }

    super.onClick(dialog, which);
  }

  @Override
  protected void onSetInitialValue(boolean restoreValue, Object defaultValue)
  {
    if (restoreValue) {
      // restore state
      getValueBDP();
    }
    else {
      // set state
      value = 50;
      noChange = 1;
      automatic = 1;
      defaultProfile = 0;
      persistString(Integer.toString(value + minimumValue)
          + "|" + Integer.toString(noChange)
          + "|" + Integer.toString(automatic)
          + "|" + Integer.toString(defaultProfile));
    }
    setSummaryBDP();
  }
  
  private void getValueBDP()
  {
    // Get the persistent value and correct it for the minimum value.
    sValue = getPersistedString(sValue);
    
    String[] splits = sValue.split("\\|");
    try {
      value = Integer.parseInt(splits[0]);
      if (value == -1)
        value = 50;
      if (value == Profile.BRIGHTNESS_ADAPTIVE_BRIGHTNESS_NOT_SET)
        // brightness is not set, change it to default adaptive brightness value
        value = Math.round(savedAdaptiveBrightness * 50 + 50);
    } catch (Exception e) {
      value = 50;
    }
    value = value - minimumValue;
    try {
      noChange = Integer.parseInt(splits[1]);
    } catch (Exception e) {
      noChange = 1;
    }
    try {
      automatic = Integer.parseInt(splits[2]);
    } catch (Exception e) {
      automatic = 1;
    }
    try {
      defaultProfile = Integer.parseInt(splits[3]);
    } catch (Exception e) {
      defaultProfile = 0;
    }
    
    //value = getPersistedInt(minimumValue) - minimumValue;

    // You're never know...
    if (value < 0) {
      value = 0;
    }
  }
  
  private void setSummaryBDP()
  {
    String prefVolumeDataSummary;
    if (noChange == 1)
      prefVolumeDataSummary = _context.getResources().getString(R.string.preference_profile_no_change);
    else
    if (defaultProfile == 1)
      prefVolumeDataSummary = _context.getResources().getString(R.string.preference_profile_default_profile);
    else
    {
      String sValue = String.valueOf(value) + " / 100";
      if (automatic == 1)
      {
        if (android.os.Build.VERSION.SDK_INT >= 21) // for Android 5.0: adaptive brightness
          prefVolumeDataSummary = _context.getResources().getString(R.string.preference_profile_adaptiveBrightness);
        else
          prefVolumeDataSummary = _context.getResources().getString(R.string.preference_profile_autobrightness);
        prefVolumeDataSummary = prefVolumeDataSummary + "; " + sValue;
      }
      else
        prefVolumeDataSummary = sValue;
    }
    setSummary(prefVolumeDataSummary);
  }
  
}
Java Source Code List
