fr.cph.stock.android.activity.BaseActivity.java Source code

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Here is the source code for fr.cph.stock.android.activity.BaseActivity.java

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/**
 * Copyright 2013 Carl-Philipp Harmant
 *
 * 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 fr.cph.stock.android.activity;

import org.json.JSONObject;

import com.google.analytics.tracking.android.EasyTracker;

import android.animation.Animator;
import android.animation.AnimatorListenerAdapter;
import android.annotation.TargetApi;
import android.app.Activity;
import android.content.Intent;
import android.content.SharedPreferences;
import android.os.Build;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import fr.cph.stock.android.R;
import fr.cph.stock.android.entity.Portfolio;
import fr.cph.stock.android.enumtype.UrlType;
import fr.cph.stock.android.task.MainTask;

/**
 * This class represents the base activity of the app
 * 
 * @author Carl-Philipp Harmant
 * 
 */
public class BaseActivity extends Activity {

    /** Tag **/
    private static final String TAG = "Base";
    /** Preference name in Android **/
    public static final String PREFS_NAME = "StockTracker";
    /** Login view **/
    private View mLoginStatusView;
    /** Login **/
    private String login;
    /** Password **/
    private String password;

    /*
     * (non-Javadoc)
     * 
     * @see android.app.Activity#onCreate(android.os.Bundle)
     */
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        Log.v(TAG, "BaseActivity onCreate");
        super.onCreate(savedInstanceState);
        setContentView(R.layout.loading);
        mLoginStatusView = findViewById(R.id.login_status);
        SharedPreferences settings = getSharedPreferences(PREFS_NAME, 0);

        if (settings.contains("login") && settings.contains("password")) {
            showProgress(true, null);
            login = settings.getString("login", null);
            password = settings.getString("password", null);
            UrlType urlAuth = UrlType.AUTH;
            String params = "?login=" + login + "&password=" + password;
            MainTask derp = new MainTask(this, urlAuth, params);
            derp.execute((Void) null);
        } else {
            showProgress(false, null);
            Intent intent = new Intent(this, LoginActivity.class);
            startActivity(intent);
            finish();
        }
        EasyTracker.getInstance().setContext(this);
    }

    @Override
    public void onStart() {
        super.onStart();
        EasyTracker.getInstance().activityStart(this);
    }

    @Override
    public void onStop() {
        super.onStop();
        EasyTracker.getInstance().activityStop(this);
    }

    /**
     * Show progress bar
     * 
     * @param show
     *            show the bar or not
     * @param errorMessage
     *            the error message
     */
    @TargetApi(Build.VERSION_CODES.HONEYCOMB_MR2)
    private void showProgress(final boolean show, String errorMessage) {
        // On Honeycomb MR2 we have the ViewPropertyAnimator APIs, which allow
        // for very easy animations. If available, use these APIs to fade-in
        // the progress spinner.
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB_MR2) {
            int shortAnimTime = getResources().getInteger(android.R.integer.config_shortAnimTime);
            mLoginStatusView.setVisibility(View.VISIBLE);
            mLoginStatusView.animate().setDuration(shortAnimTime).alpha(show ? 1 : 0)
                    .setListener(new AnimatorListenerAdapter() {
                        @Override
                        public void onAnimationEnd(Animator animation) {
                            mLoginStatusView.setVisibility(show ? View.VISIBLE : View.GONE);
                        }
                    });
        } else {
            // The ViewPropertyAnimator APIs are not available, so simply show
            // and hide the relevant UI components.
            mLoginStatusView.setVisibility(show ? View.VISIBLE : View.GONE);
        }
    }

    /**
     * Load home
     * 
     * @param portfolio
     *            the portfolio
     */
    public void loadHome(Portfolio portfolio) {
        Intent intent = new Intent(this, MainActivity.class);
        intent.putExtra("portfolio", portfolio);
        showProgress(false, null);
        finish();
        startActivity(intent);
        overridePendingTransition(android.R.anim.fade_in, android.R.anim.fade_out);
    }

    /**
     * Display error
     * 
     * @param jsonObject
     *            the json object
     */
    public void displayError(JSONObject jsonObject) {
        Intent intent = new Intent(this, ErrorActivity.class);
        intent.putExtra("data", jsonObject.toString());
        intent.putExtra("login", login);
        intent.putExtra("password", password);
        startActivity(intent);
        finish();
    }
}