Android Open Source - no-frills-cpu-classic Stats Widget

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License

The source code is released under:

Apache License

Java Source Code

package it.sineo.android.noFrillsCPUClassic.widget;
/*from ww  w  .  j a  v  a2 s. c o  m*/
import it.sineo.android.noFrillsCPUClassic.R;
import it.sineo.android.noFrillsCPUClassic.extra.Constants;
import it.sineo.android.noFrillsCPUClassic.extra.Frequency;
import it.sineo.android.noFrillsCPUClassic.extra.Stats;
import it.sineo.android.noFrillsCPUClassic.extra.Stats.SortMethod;
import it.sineo.android.noFrillsCPUClassic.extra.SysUtils;

import java.util.ArrayList;
import java.util.List;

import android.app.PendingIntent;
import android.appwidget.AppWidgetManager;
import android.appwidget.AppWidgetProvider;
import android.content.Context;
import android.content.Intent;
import android.graphics.Bitmap;
import android.graphics.Bitmap.Config;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.Paint.Style;
import android.graphics.Rect;
import android.preference.PreferenceManager;
import android.util.Log;
import android.widget.RemoteViews;
import android.widget.Toast;

public class StatsWidget extends AppWidgetProvider {

  static List<Integer> deletedAppWidgetIds = new ArrayList<Integer>();

  @Override
  public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {
    Log.d(Constants.APP_TAG, "sizeOf appWidgetIds: " + appWidgetIds.length);
    for (int appWidgetId : appWidgetIds) {
      Log.d(Constants.APP_TAG, "onUpdate() for wdg " + appWidgetId);
      RemoteViews rv = new RemoteViews(context.getPackageName(), R.layout.widget);

      /* I wish I knew how to put this once and for all and not on each update */
      Intent in = new Intent(context, StatsWidget.class);
      in.setAction(Constants.APPWIDGET_UPDATE);
      in.putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, appWidgetId);
      PendingIntent pi = PendingIntent.getBroadcast(context, 0, in, 0);
      rv.setOnClickPendingIntent(R.id.wdg_container, pi);

      if (SysUtils.isRooted() && SysUtils.hasSysfs()) {
        Frequency curFreq = SysUtils.getCurFreq();
        String cur = curFreq != null ? curFreq.toString() : "?";
        String governor = SysUtils.getGovernor();
        if (governor == null) {
          governor = "?";
        }
        // Frequency minFreq = SysUtils.getMinFreq();
        // String min = minFreq != null ? minFreq.toString() : "?";

        // Frequency maxFreq = SysUtils.getMaxFreq();
        // String max = maxFreq != null ? maxFreq.toString() : "?";

        String text = /* min + " - " + max + "\r\n" + */cur + "\r\n" + governor;

        rv.setFloat(R.id.wdg_stats_governor, "setTextSize", context.getResources().getDimension(R.dimen.widget_text));
        rv.setTextViewText(R.id.wdg_stats_governor, text);

        Stats stats = SysUtils.getFrequencyStats(PreferenceManager.getDefaultSharedPreferences(
            context.getApplicationContext()).getBoolean(Constants.PREF_INCLUDE_DEEP_SLEEP,
            Constants.PREF_DEFAULT_INCLUDE_DEEP_SLEEP));
        if (stats != null) {
          stats.sort(SortMethod.Frequency);

          Paint p = new Paint();
          p.setAntiAlias(true);
          p.setStyle(Style.FILL);
          p.setStrokeWidth(2);

          Bitmap b = Bitmap.createBitmap(stats.getFrequencies().size() * 10, 100, Config.ARGB_8888);
          Canvas canvas = new Canvas(b);
          for (int i = 0; i < stats.getFrequencies().size(); i++) {
            Frequency f = stats.getFrequencies().get(i);
            Double perc = stats.getPercentage(f);
            float prop = (float) i / stats.getFrequencies().size();
            int color = Stats.colorFromPercentage(prop);
            int width = 10;// FISSO!
            int height = (int) (95 * perc);
            p.setColor(color);
            canvas.drawRect(new Rect((width * i), 95 - height, (width * i) + width, 95), p);
            canvas.drawRect(new Rect((width * i), 95, (width * i) + width, 100), p);
          }
          float chartHeight = context.getResources().getDimension(R.dimen.widget_chart_height);
          Bitmap bb = Bitmap.createScaledBitmap(b, (int) chartHeight, (int) chartHeight, false);
          rv.setImageViewBitmap(R.id.canvas, bb);
          b.recycle();
        }
      } else {
        Log.d(Constants.APP_TAG, "sys utils not available");
      }
      appWidgetManager.updateAppWidget(appWidgetId, rv);
    }
  }

  @Override
  public void onDeleted(Context context, int[] appWidgetIds) {
    super.onDeleted(context, appWidgetIds);
    for (int appWidgetId : appWidgetIds) {
      Log.d(Constants.APP_TAG, "called super.onDeleted() for wdg " + appWidgetId);
      Integer k = Integer.valueOf(appWidgetId);
      deletedAppWidgetIds.add(k);
    }
    Log.d(Constants.APP_TAG, "# of deleted widgets: " + deletedAppWidgetIds.size());
    Log.d(Constants.APP_TAG, "deleted widgets: " + deletedAppWidgetIds);
  }

  @Override
  public void onReceive(Context context, Intent intent) {
    final String action = intent.getAction();
    if (AppWidgetManager.ACTION_APPWIDGET_DELETED.equals(action)) {
      final int appWidgetId = intent.getExtras().getInt(AppWidgetManager.EXTRA_APPWIDGET_ID,
          AppWidgetManager.INVALID_APPWIDGET_ID);
      if (appWidgetId != AppWidgetManager.INVALID_APPWIDGET_ID) {
        this.onDeleted(context, new int[] {
          appWidgetId
        });
      }
    } else if (Constants.APPWIDGET_UPDATE.equals(action)) {
      Toast.makeText(context, R.string.wdg_updating, Toast.LENGTH_SHORT).show();
      int appWidgetId = intent.getIntExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, 0);
      int[] appWidgetIds = {
        appWidgetId
      };
      onUpdate(context, AppWidgetManager.getInstance(context), appWidgetIds);
    } else {
      super.onReceive(context, intent);
    }
  }
}

Java Source Code List

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