Android Open Source - customhellochartdemo About Activity

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Back to project page customhellochartdemo.

License

The source code is released under:

Apache License

Java Source Code

package lecho.lib.hellocharts.samples;
/*from  w w  w .  ja  v a  2  s  . c om*/
import android.annotation.SuppressLint;
import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.content.pm.ResolveInfo;
import android.net.Uri;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v7.app.ActionBarActivity;
import android.util.Log;
import android.util.Pair;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;

public class AboutActivity extends ActionBarActivity {
  public static final String TAG = AboutActivity.class.getSimpleName();
  public static final String GITHUB_URL = "github.com/jokerknight/";

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_about);
    if (savedInstanceState == null) {
      getSupportFragmentManager().beginTransaction().add(R.id.container, new PlaceholderFragment()).commit();
    }
  }

  /**
   * A placeholder fragment containing a simple view.
   */
  public static class PlaceholderFragment extends Fragment {

    public PlaceholderFragment() {
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
      View rootView = inflater.inflate(R.layout.fragment_about, container, false);

      TextView version = (TextView) rootView.findViewById(R.id.version);
      version.setText(getAppVersionAndBuild(getActivity()).first);

      TextView gotToGithub = (TextView) rootView.findViewById(R.id.go_to_github);
      gotToGithub.setOnClickListener(new View.OnClickListener() {

        @Override
        public void onClick(View v) {
          launchWebBrowser(getActivity(), GITHUB_URL);

        }
      });

      return rootView;
    }
  }

  public static Pair<String, Integer> getAppVersionAndBuild(Context context) {
    try {
      PackageInfo pInfo = context.getPackageManager().getPackageInfo(context.getPackageName(), 0);
      return new Pair<String, Integer>(pInfo.versionName, pInfo.versionCode);
    } catch (Exception e) {
      Log.e(TAG, "Could not get version number");
      return new Pair<String, Integer>("", 0);
    }
  }

  @SuppressLint("DefaultLocale")
  public static boolean launchWebBrowser(Context context, String url) {
    try {
      url = url.toLowerCase();
      if (!url.startsWith("http://") || !url.startsWith("https://")) {
        url = "http://" + url;
      }

      Intent intent = new Intent(Intent.ACTION_VIEW);
      intent.setData(Uri.parse(url));
      ResolveInfo resolveInfo = context.getPackageManager().resolveActivity(intent,
          PackageManager.MATCH_DEFAULT_ONLY);
      if (null == resolveInfo) {
        Log.e(TAG, "No activity to handle web intent");
        return false;
      }
      context.startActivity(intent);
      Log.i(TAG, "Launching browser with url: " + url);
      return true;
    } catch (Exception e) {
      Log.e(TAG, "Could not start web browser", e);
      return false;
    }
  }
}

Java Source Code List

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