Android Open Source - droidparts-battery-widget Battery Widget Activity

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License

The source code is released under:

Apache License

Java Source Code

/*
 * Copyright (C) 2010 Sergej Shafarenka, beworx.com
 *//from w w  w. j  a  va2 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 at.linuxhacker.battery_widget;

import static at.linuxhacker.battery_widget.BatteryWidget.DESIGN_AWFULLY_COOL;
import static at.linuxhacker.battery_widget.BatteryWidget.PREFS;
import static at.linuxhacker.battery_widget.BatteryWidget.PREF_ACTIVITY_NAME;
import static at.linuxhacker.battery_widget.BatteryWidget.PREF_DESIGN_TYPE;

import android.app.Activity;
import android.app.AlertDialog;
import android.app.Dialog;
import android.appwidget.AppWidgetManager;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.res.Resources;
import android.os.Bundle;
import android.os.Handler;
import android.util.Log;
import android.view.View;
import android.view.Window;
import android.view.View.OnClickListener;
import android.widget.ImageView;
import android.widget.TextView;

public class BatteryWidgetActivity extends Activity implements OnClickListener,
    android.content.DialogInterface.OnClickListener, Runnable {

  private static final int[] LEVELS = new int[] {1, 10, 20, 30, 40, 60, 80, 99, 100};
  private static final int[] MAPPING = new int[] {0, 3, 2, 1};

  private Handler mHandler = new Handler();
  private SharedPreferences mPrefs;
  private int mLevel;
  private int mDesign;
  
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    Log.d( BatteryWidget.TAG, "BatteryWidgetActivity::onCreate" );
    requestWindowFeature(Window.FEATURE_NO_TITLE);
    setContentView(R.layout.configuration);

    findViewById(R.id.link0).setOnClickListener(this);
    findViewById(R.id.link1).setOnClickListener(this);
    findViewById(R.id.button1).setOnClickListener(this);

    mPrefs = getApplication().getSharedPreferences(PREFS, MODE_PRIVATE);
  }

  protected void onPause() {
    super.onPause();
    Log.d( BatteryWidget.TAG, "BatteryWidgetActivity::onPause" );
    schedulePreviewUpdate(false);
  }
  
  protected void onResume() {
    super.onResume();
    Log.d( BatteryWidget.TAG, "BatteryWidgetActivity::onResume" );
    
    // update widgets
    BatteryService.requestWidgetUpdate(this);

    Intent intent = getIntent();
    Bundle extras = intent.getExtras();
    int mAppWidgetId = AppWidgetManager.INVALID_APPWIDGET_ID;
    if (extras != null) {
      mAppWidgetId = extras.getInt(AppWidgetManager.EXTRA_APPWIDGET_ID, AppWidgetManager.INVALID_APPWIDGET_ID);
    }

    if (mAppWidgetId != AppWidgetManager.INVALID_APPWIDGET_ID) {
      // set result OK
      Intent resultValue = new Intent();
      resultValue.putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, mAppWidgetId);
      setResult(RESULT_OK, resultValue);
    }

    // update description
    String name = mPrefs.getString(PREF_ACTIVITY_NAME, null);
    TextView textView = (TextView) findViewById(R.id.assigned_activity_descr);
    textView.setText(name == null ? getString(R.string.txt_assigned_activity_descr) : name);

    mDesign = mPrefs.getInt(PREF_DESIGN_TYPE, DESIGN_AWFULLY_COOL);
    updateWidgetPreview(100);
    
    mHandler.postDelayed(this, 1000);
  }
  
   private void updateWidgetPreview(int chargeLevel) {
     int design = mDesign;
    
     // lightning
     ImageView img = (ImageView) findViewById(R.id.lightning);
     img.setVisibility(chargeLevel < 100 ? View.VISIBLE : View.GONE);
     
     // design
    img = (ImageView) findViewById(R.id.battery);
    img.setImageLevel(BatteryWidget.getIconLevel(chargeLevel, design));

    TextView capacity_center = (TextView) findViewById(R.id.capacity_center);
    TextView capacity_right_bottom = (TextView) findViewById(R.id.capacity_right_bottom);

    String levelText = chargeLevel < 10 ? "0" + chargeLevel : String.valueOf(chargeLevel);

    if (BatteryWidget.isCapacityRightBottom(design)) { // right-bottom
      capacity_center.setVisibility(View.GONE);
      capacity_right_bottom.setText(levelText);
      capacity_right_bottom.setVisibility(chargeLevel < 100 ? View.VISIBLE : View.GONE);
    } else { // center
      capacity_right_bottom.setVisibility(View.GONE);
      capacity_center.setText(levelText);
      capacity_center.setVisibility(chargeLevel < 100 ? View.VISIBLE : View.GONE);
    }

    // text
    Resources res = getResources();
    String[] designNames = res.getStringArray(R.array.design_names);
    TextView text = (TextView) findViewById(R.id.design_descr);
    text.setText(designNames[MAPPING[design]]);
  }

  public void onClick(View view) {
    int id = view.getId();
    if (id == R.id.link0) { // choose design
      showDialog(0);
    } else if (id == R.id.link1) {
      Intent intent = new Intent(this, SettingsActivityList.class);
      startActivity(intent);
    } else if (id == R.id.button1) { // done
      finish();
    }
  }

  protected Dialog onCreateDialog(int id) {
    AlertDialog.Builder builder = new AlertDialog.Builder(this);
    builder.setItems(R.array.design_names, this);
    builder.setTitle(R.string.txt_select_widget_design);
    return builder.create();
  }

  public void onClick(DialogInterface dialog, int which) {
    dismissDialog(0);
    if (which > -1) {
      mDesign = MAPPING[which];
      mPrefs.edit().putInt(PREF_DESIGN_TYPE, mDesign).commit();
      schedulePreviewUpdate(true);
      BatteryService.requestWidgetUpdate(this);
    }
  }

  public void run() {
    Log.d( BatteryWidget.TAG, "BatteryWidgetActivity::run" );
    if (++mLevel == LEVELS.length) {
      mLevel = 0;
    }
    updateWidgetPreview(LEVELS[mLevel]);
    mHandler.postDelayed(this, 700);
  }

  private void schedulePreviewUpdate(boolean active) {
    mHandler.removeCallbacks(this);
    if (active) {
      mHandler.post(this);
    }
  }
}

Java Source Code List

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