Android Open Source - no-frills-cpu-classic About Activity

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License

The source code is released under:

Apache License

Java Source Code

package it.sineo.android.noFrillsCPUClassic.activity;
//from   w w  w .  j  ava2  s .  com
import it.sineo.android.changelog.ChangelogFactory;
import it.sineo.android.noFrillsCPUClassic.R;
import it.sineo.android.noFrillsCPUClassic.extra.Constants;
import it.sineo.android.noFrillsCPUClassic.extra.Theme;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;

import android.app.Activity;
import android.content.Intent;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.content.res.Resources;
import android.net.Uri;
import android.os.Bundle;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.ImageView;
import android.widget.TabHost;
import android.widget.TabHost.TabContentFactory;
import android.widget.TabHost.TabSpec;
import android.widget.TextView;

public class AboutActivity extends Activity implements TabContentFactory {

  private final static String TAG_INFO = "info";
  private final static String TAG_CHANGELOG = "changelog";
  private final static String TAG_FAQ = "faq";
  private final static String TAG_LICENSE = "license";

  private final static String SELECTED_TAB_INDEX = "selected_tab_index";

  private TabHost mTabHost;

  @Override
  protected void onRestoreInstanceState(Bundle savedInstanceState) {
    super.onRestoreInstanceState(savedInstanceState);
    mTabHost.setCurrentTab(savedInstanceState.getInt(SELECTED_TAB_INDEX, 0));
  }

  @Override
  protected void onSaveInstanceState(Bundle outState) {
    super.onSaveInstanceState(outState);
    outState.putInt(SELECTED_TAB_INDEX, mTabHost.getCurrentTab());
  }

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    Theme.applyTo(this);
    super.onCreate(savedInstanceState);
    setContentView(R.layout.about);

    mTabHost = (TabHost) findViewById(android.R.id.tabhost);
    mTabHost.setup();

    TabSpec tab = mTabHost.newTabSpec(TAG_INFO);
    tab.setIndicator(getString(R.string.tab_info));
    tab.setContent(this);
    mTabHost.addTab(tab);

    tab = mTabHost.newTabSpec(TAG_CHANGELOG);
    tab.setIndicator(getString(R.string.tab_changelog));
    tab.setContent(this);
    mTabHost.addTab(tab);

    tab = mTabHost.newTabSpec(TAG_FAQ);
    tab.setIndicator(getString(R.string.tab_faq));
    tab.setContent(this);
    mTabHost.addTab(tab);

    tab = mTabHost.newTabSpec(TAG_LICENSE);
    tab.setIndicator(getString(R.string.tab_license));
    tab.setContent(this);
    mTabHost.addTab(tab);
  }

  private View tabInfo, tabChangelog, tabFaq, tabLicense;

  public View createTabContent(String tag) {
    View v = null;
    long t0 = System.currentTimeMillis();
    if (TAG_INFO.equals(tag)) {
      if (tabInfo == null) {
        LayoutInflater li = LayoutInflater.from(this);
        tabInfo = li.inflate(R.layout.about_info, null);

        String version = "?";
        try {
          PackageInfo info = getPackageManager().getPackageInfo(getPackageName(), 0);
          version = info.versionName;
        } catch (PackageManager.NameNotFoundException pmnnfex) {
          pmnnfex.printStackTrace();
        }
        /* Parametric views */
        final Resources r = getResources();
        final TextView tvVersion = (TextView) tabInfo.findViewById(R.id.about_info_version);
        tvVersion.setText(r.getString(R.string.about_info_version, version));

        final TextView tvAuthor = (TextView) tabInfo.findViewById(R.id.about_info_author);
        tvAuthor.setText(r.getString(R.string.about_info_author, r.getString(R.string.author_name)));

        final TextView tvHomepage = (TextView) tabInfo.findViewById(R.id.about_info_homepage);
        tvHomepage.setText(r.getString(R.string.about_info_homepage, r.getString(R.string.homepage_url)));

        final TextView tvQuestions = (TextView) tabInfo.findViewById(R.id.about_info_questions);
        tvQuestions.setText(r.getString(R.string.about_info_questions, r.getString(R.string.author_email)));

        /* Donate button */
        ImageView ivDonate = (ImageView) tabInfo.findViewById(R.id.donate_button);
        ivDonate.setOnClickListener(new View.OnClickListener() {
          @Override
          public void onClick(View v) {
            Intent i = new Intent(Intent.ACTION_VIEW, Uri.parse(getString(R.string.paypal_donate_url)));
            startActivity(i);
          }
        });
        return tabInfo;
      }
      v = tabInfo;
    } else if (TAG_CHANGELOG.equals(tag)) {
      if (tabChangelog == null) {
        tabChangelog = ChangelogFactory.inflate(this, R.xml.changelog);
        ;
      }
      v = tabChangelog;
    } else if (TAG_FAQ.equals(tag)) {
      if (tabFaq == null) {
        LayoutInflater li = LayoutInflater.from(this);
        tabFaq = li.inflate(R.layout.about_faq, null);
      }
      v = tabFaq;
    } else if (TAG_LICENSE.equals(tag)) {
      if (tabLicense == null) {
        String text = "";
        try {
          InputStream is = getResources().openRawResource(R.raw.license);
          BufferedReader br = new BufferedReader(new InputStreamReader(is), 4096);
          String line = null;
          while ((line = br.readLine()) != null) {
            text += line + "\r\n";
          }
          br.close();
          is.close();
        } catch (IOException ioex) {
          text = ioex.getLocalizedMessage();
        }
        LayoutInflater li = LayoutInflater.from(this);
        tabLicense = li.inflate(R.layout.about_license, null);
        ((TextView) tabLicense.findViewById(R.id.about_license)).setText(text);
      }
      v = tabLicense;
    } else {
      Log.e(getClass().getName(), "unknown tag: " + tag);
    }
    long t1 = System.currentTimeMillis();
    Log.d(Constants.APP_TAG, "delta: " + (t1 - t0) + " ms");
    return v;
  }

}

Java Source Code List

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