Android Open Source - AppUpdateChecker On Update Dialog

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License

The source code is released under:

GNU General Public License

Java Source Code

package edu.mit.mobile.android.appupdater;
/*from   w w w.  j a va 2s  .  c o  m*/
import java.util.List;

import android.app.Dialog;
import android.app.AlertDialog.Builder;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.net.Uri;
import android.os.Handler;
import android.os.Message;

/**
 * A handy pop-up dialog box which lists the changelog and asks if you want to update.
 *
 * @author steve
 *
 */
public class OnUpdateDialog implements OnAppUpdateListener {
  private final Context mContext;
  private final CharSequence mAppName;
  private Uri downloadUri;
  private final Handler mHandler;
  private static final int MSG_SHOW_DIALOG = 1;
  private Dialog mDialog;

  public OnUpdateDialog(Context context, CharSequence appName) {
    mContext = context;
    mAppName = appName;
    mHandler = new Handler(){
      @Override
      public void handleMessage(Message msg) {
        switch (msg.what){
        case MSG_SHOW_DIALOG:
          try{
            // TODO fix this so it'll pop up appropriately
            mDialog.show();
          }catch (final Exception e){
            // XXX ignore for the moment
          }

          break;
        }
      }
    };
  }

  public void appUpdateStatus(boolean isLatestVersion,
      String latestVersionName, List<String> changelog, Uri downloadUri) {
    this.downloadUri = downloadUri;

    if (!isLatestVersion){
      final Builder db = new Builder(mContext);
      db.setTitle(mAppName);

      final StringBuilder sb = new StringBuilder();
      sb.append(mContext.getString(R.string.app_update_new_version, latestVersionName, mAppName));
      sb.append("\n\n");
      for (final String item: changelog){
        sb.append("  ").append(item).append("\n");
      }

      db.setMessage(sb);

      db.setPositiveButton(R.string.upgrade, dialogOnClickListener);
      db.setNegativeButton(android.R.string.cancel, dialogOnClickListener);
      mDialog = db.create();
      mHandler.sendEmptyMessage(MSG_SHOW_DIALOG);

    }
  }

  private final DialogInterface.OnClickListener dialogOnClickListener = new DialogInterface.OnClickListener() {

    public void onClick(DialogInterface dialog, int which) {
      switch(which){
      case Dialog.BUTTON_POSITIVE:
        mContext.startActivity(new Intent(Intent.ACTION_VIEW, downloadUri));
      }

    }
  };
}

Java Source Code List

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