Android Open Source - CallerFlashlight Seek Bar Preference






From Project

Back to project page CallerFlashlight.

License

The source code is released under:

GNU General Public License

If you think the Android project CallerFlashlight listed in this page is inappropriate, such as containing malicious code/tools or violating the copyright, please email info at java2s dot com, thanks.

Java Source Code

package com.spirosbond.callerflashlight;
//from  w  ww. j av a  2s  .co  m
/**
 * Created by spiros on 8/25/13.
 */

import android.content.Context;
import android.content.res.TypedArray;
import android.preference.Preference;
import android.util.AttributeSet;
import android.util.Log;
import android.view.View;
import android.view.ViewGroup;
import android.view.ViewParent;
import android.widget.LinearLayout;
import android.widget.SeekBar;
import android.widget.SeekBar.OnSeekBarChangeListener;
import android.widget.TextView;

public class SeekBarPreference extends Preference implements OnSeekBarChangeListener {

  private static final String TAG = SeekBarPreference.class.getSimpleName();
  private static final String ANDROIDNS = "http://schemas.android.com/apk/res/android";
  private static final String APPLICATIONNS = "http://robobunny.com";
  private static final int DEFAULT_VALUE = 50;
  private static int mMaxValue = 10;
  private static int mMinValue = 1;
  private static int mInterval = 1;
  private static int mCurrentValue;
  private String mUnitsLeft = "";
  private String mUnitsRight = "";
  private SeekBar mSeekBar;
  private TextView mStatusText;
  private CallerFlashlight cf;

  public SeekBarPreference(Context context, AttributeSet attrs) {
    super(context, attrs);
    initPreference(context, attrs);
  }

  public SeekBarPreference(Context context, AttributeSet attrs, int defStyle) {
    super(context, attrs, defStyle);
    initPreference(context, attrs);
  }

  private void initPreference(Context context, AttributeSet attrs) {
    cf = (CallerFlashlight) context.getApplicationContext();

    setValuesFromXml(attrs);
    mSeekBar = new SeekBar(context, attrs);
    mSeekBar.setMax(mMaxValue - mMinValue);
    mSeekBar.setOnSeekBarChangeListener(this);

    if (cf.getMsgFlashType() == 1) {
      if (CallerFlashlight.LOG) Log.d(TAG, "units: " + cf.getMyResources().getString(R.string.sms_mode_list_value_1));
      setmUnitsRight(" " + cf.getMyResources().getString(R.string.sms_mode_list_value_1));
    } else if (cf.getMsgFlashType() == 2) {
      if (CallerFlashlight.LOG) Log.d(TAG, "units: " + cf.getMyResources().getString(R.string.sms_mode_list_value_1));
      setmUnitsRight(" " + cf.getMyResources().getString(R.string.sms_mode_list_value_2));
    }

    setWidgetLayoutResource(R.layout.seek_bar_preference);
  }

  private void setValuesFromXml(AttributeSet attrs) {
    mMaxValue = attrs.getAttributeIntValue(ANDROIDNS, "max", 100);
    mMinValue = attrs.getAttributeIntValue(APPLICATIONNS, "min", 1);

    mUnitsLeft = getAttributeStringValue(attrs, "unitsLeft", "");
    //    String units = getAttributeStringValue(attrs, APPLICATIONNS, "units", "");
    //    mUnitsRight = getAttributeStringValue(attrs, APPLICATIONNS, "unitsRight", units);

    try {
      String newInterval = attrs.getAttributeValue(APPLICATIONNS, "interval");
      if (newInterval != null)
        mInterval = Integer.parseInt(newInterval);
    } catch (Exception e) {
      Log.e(TAG, "Invalid interval value", e);
    }

  }

  private String getAttributeStringValue(AttributeSet attrs, String name, String defaultValue) {
    String value = attrs.getAttributeValue(SeekBarPreference.APPLICATIONNS, name);
    if (value == null)
      value = defaultValue;

    return value;
  }

  @Override
  protected View onCreateView(ViewGroup parent) {
    View view = super.onCreateView(parent);

    // The basic preference layout puts the widget frame to the right of the title and summary,
    // so we need to change it a bit - the seekbar should be under them.
    LinearLayout layout = (LinearLayout) view;
    layout.setOrientation(LinearLayout.VERTICAL);

    return view;
  }

  @Override
  public void onBindView(View view) {
    super.onBindView(view);

    try {
      // move our seekbar to the new view we've been given
      ViewParent oldContainer = mSeekBar.getParent();
      ViewGroup newContainer = (ViewGroup) view.findViewById(R.id.seekBarPrefBarContainer);

      if (oldContainer != newContainer) {
        // remove the seekbar from the old view
        if (oldContainer != null) {
          ((ViewGroup) oldContainer).removeView(mSeekBar);
        }
        // remove the existing seekbar (there may not be one) and add ours
        newContainer.removeAllViews();
        newContainer.addView(mSeekBar, ViewGroup.LayoutParams.FILL_PARENT,
            ViewGroup.LayoutParams.WRAP_CONTENT);
      }
    } catch (Exception ex) {
      Log.e(TAG, "Error binding view: " + ex.toString());
    }

    //if dependency is false from the beginning, disable the seek bar
    if (view != null && !view.isEnabled()) {
      mSeekBar.setEnabled(false);
    }

    updateView(view);
  }

  /**
   * Update a SeekBarPreference view with our current state
   *
   * @param view
   */
  protected void updateView(View view) {

    try {
      mStatusText = (TextView) view.findViewById(R.id.seekBarPrefValue);

      mStatusText.setText(String.valueOf(mCurrentValue));
      mStatusText.setMinimumWidth(30);

      mSeekBar.setProgress(mCurrentValue - mMinValue);

      TextView unitsRight = (TextView) view.findViewById(R.id.seekBarPrefUnitsRight);
      if (cf.getMsgFlashType() == 1) {
        if (CallerFlashlight.LOG) Log.d(TAG, "units: " + cf.getMyResources().getString(R.string.sms_mode_list_value_1));
        setmUnitsRight(" " + cf.getMyResources().getString(R.string.sms_mode_list_value_1));
      } else if (cf.getMsgFlashType() == 2) {
        if (CallerFlashlight.LOG) Log.d(TAG, "units: " + cf.getMyResources().getString(R.string.sms_mode_list_value_1));
        setmUnitsRight(" " + cf.getMyResources().getString(R.string.sms_mode_list_value_2));
      }
      unitsRight.setText(mUnitsRight);

      TextView unitsLeft = (TextView) view.findViewById(R.id.seekBarPrefUnitsLeft);
      unitsLeft.setText(mUnitsLeft);

    } catch (Exception e) {
      Log.e(TAG, "Error updating seek bar preference", e);
    }

  }

  @Override
  public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
    int newValue = progress + mMinValue;

    if (newValue > mMaxValue)
      newValue = mMaxValue;
    else if (newValue < mMinValue)
      newValue = mMinValue;
    else if (mInterval != 1 && newValue % mInterval != 0)
      newValue = Math.round(((float) newValue) / mInterval) * mInterval;

    // change rejected, revert to the previous value
    if (!callChangeListener(newValue)) {
      seekBar.setProgress(mCurrentValue - mMinValue);
      return;
    }

    // change accepted, store it
    mCurrentValue = newValue;
    mStatusText.setText(String.valueOf(newValue));
    persistInt(newValue);

  }

  @Override
  public void onStartTrackingTouch(SeekBar seekBar) {
  }

  @Override
  public void onStopTrackingTouch(SeekBar seekBar) {
    notifyChanged();
  }

  @Override
  protected Object onGetDefaultValue(TypedArray ta, int index) {

    //    int defaultValue = ta.getInt(index, DEFAULT_VALUE);
    return ta.getInt(index, DEFAULT_VALUE);

  }

  @Override
  protected void onSetInitialValue(boolean restoreValue, Object defaultValue) {

    if (restoreValue) {
      mCurrentValue = getPersistedInt(mCurrentValue);
    } else {
      int temp = 0;
      try {
        temp = (Integer) defaultValue;
      } catch (Exception ex) {
        Log.e(TAG, "Invalid default value: " + defaultValue.toString());
      }

      persistInt(temp);
      mCurrentValue = temp;
    }

  }

  /**
   * make sure that the seekbar is disabled if the preference is disabled
   */
  @Override
  public void setEnabled(boolean enabled) {
    super.setEnabled(enabled);
    mSeekBar.setEnabled(enabled);
  }

  @Override
  public void onDependencyChanged(Preference dependency, boolean disableDependent) {
    super.onDependencyChanged(dependency, disableDependent);

    //Disable movement of seek bar when dependency is false
    if (mSeekBar != null) {
      mSeekBar.setEnabled(!disableDependent);
    }
  }

  public void setmUnitsRight(String unit) {
    mUnitsRight = unit;
  }
}




Java Source Code List

com.spirosbond.callerflashlight.About.java
com.spirosbond.callerflashlight.AdPreference2.java
com.spirosbond.callerflashlight.AdPreference.java
com.spirosbond.callerflashlight.AppList.java
com.spirosbond.callerflashlight.BatteryLevelReceiver.java
com.spirosbond.callerflashlight.BootReceiver.java
com.spirosbond.callerflashlight.CallPrefs.java
com.spirosbond.callerflashlight.CallReceiver.java
com.spirosbond.callerflashlight.CallerFlashlight.java
com.spirosbond.callerflashlight.CameraSurface.java
com.spirosbond.callerflashlight.Donate.java
com.spirosbond.callerflashlight.FirstTimeUtilisation.java
com.spirosbond.callerflashlight.Flash.java
com.spirosbond.callerflashlight.InteractiveArrayAdapter.java
com.spirosbond.callerflashlight.License.java
com.spirosbond.callerflashlight.MainPanel.java
com.spirosbond.callerflashlight.MediaButtonReceiver.java
com.spirosbond.callerflashlight.Model.java
com.spirosbond.callerflashlight.MsgPrefs.java
com.spirosbond.callerflashlight.NotificationService.java
com.spirosbond.callerflashlight.PrefsActivity.java
com.spirosbond.callerflashlight.SeekBarPreference.java
com.spirosbond.callerflashlight.SmsReceiver.java
com.spirosbond.callerflashlight.SortByCheck.java
com.spirosbond.callerflashlight.SortByString.java
com.spirosbond.callerflashlight.TimePreference.java