Android Open Source - WsprNetViewer Main Activity

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Back to project page WsprNetViewer.

License

The source code is released under:

Apache License Version 2.0, January 2004 http://www.apache.org/licenses/ TERMS AND CONDITIONS FOR USE, REPRODUC...

Java Source Code

/*
 * Copyright (C) 2014 Joseph D. Glandorf
 */* w ww  . ja  va 2 s  .c om*/
 * 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 com.glandorf1.joe.wsprnetviewer.app;

import android.app.AlertDialog;
import android.content.Intent;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.os.Bundle;
import android.support.v7.app.ActionBarActivity;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.TextView;

import com.glandorf1.joe.wsprnetviewer.app.sync.WsprNetViewerSyncAdapter;

public class MainActivity extends ActionBarActivity implements WsprFragment.Callback {
    private final String LOG_TAG = MainActivity.class.getSimpleName();
    private boolean mDualPane;  // provision for putting the details fragment next to this fragment for wider screens

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        // Display EULA
        new SimpleEula(this).show();
        // WsprFragment is now declared directly in layout xml file.
        if (findViewById(R.id.wspr_detail_container) != null) {
            // The detail container view will be present only in the large-screen layouts
            // (res/layout-sw800dp). If this view is present, then the activity should be
            // in two-pane mode.
            mDualPane = true;

            // In two-pane mode, show the detail view in this activity by
            // adding or replacing the detail fragment using a fragment transaction.
            if (savedInstanceState == null) {
                getSupportFragmentManager().beginTransaction()  // getSupportFragmentManager() is this from the support lib?
                        .replace(R.id.wspr_detail_container, new DetailFragment())
                        .commit();
            }
        } else {
            mDualPane = false;
        }
        WsprFragment wsprFragment = ((WsprFragment) getSupportFragmentManager()
            .findFragmentById(R.id.fragment_wspr));
        wsprFragment.setDualPane(mDualPane);
        // The WSPR update rate is set from Settings...Update interval.
        WsprNetViewerSyncAdapter.initializeSyncAdapter(this);
    }


    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.main, menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        // Handle action bar item clicks here. The action bar will
        // automatically handle clicks on the Home/Up button, so long
        // as you specify a parent activity in AndroidManifest.xml.
        int id = item.getItemId();
        if (id == R.id.action_about) {
            showAbout();
            return true;
        }
        if (id == R.id.action_settings) {
            startActivity(new Intent(this, SettingsActivity.class));
            return true;
        }
        return super.onOptionsItemSelected(item);
    }

    @Override
    public void onItemSelected(String detailsKey) {
        if (mDualPane) {
            // In two-pane mode, show the detail view in this activity by
            // adding or replacing the detail fragment using a fragment transaction.
            Bundle args = new Bundle();
            args.putString(DetailActivity.DETAILS_KEY, detailsKey);

            DetailFragment fragment = new DetailFragment();
            fragment.setArguments(args);

            getSupportFragmentManager().beginTransaction()
                    .replace(R.id.wspr_detail_container, fragment)
                    .commit();
        } else {
            // Single-pane mode.
            Intent intent = new Intent(this, DetailActivity.class)
                    .putExtra(DetailActivity.DETAILS_KEY, detailsKey);
            startActivity(intent);
        }
    }

    protected void showAbout() {
        // Inflate the About message contents
        View messageView = getLayoutInflater().inflate(R.layout.about, null, false);
        CharSequence version = getString(R.string.app_name);
        try {
            PackageInfo pkgInfo = getPackageManager().getPackageInfo(getPackageName(), PackageManager.GET_META_DATA);
            version = version + " " + getString(R.string.version) + pkgInfo.versionName;
        } catch (PackageManager.NameNotFoundException e1) {
            Log.e(this.getClass().getSimpleName(), "Name not found", e1);
        }

        // When linking text, force to always use default color. This works around a pressed color state bug.
         TextView textViewCredits = (TextView) messageView.findViewById(R.id.about_credits);
        int defaultColor = textViewCredits.getTextColors().getDefaultColor();
        textViewCredits.setTextColor(defaultColor);

        AlertDialog.Builder builder = new AlertDialog.Builder(this);
        builder.setIcon(R.drawable.ic_launcher);
        builder.setTitle(version);
        builder.setView(messageView);
        builder.create();
        builder.show();
    }
}

Java Source Code List

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