Launch an Activity. - Android Activity

Android examples for Activity:Activity Start

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Description

Launch an Activity.

Demo Code


import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.util.Log;
import android.view.Window;
import android.view.WindowManager;
import java.util.Map;
import java.util.Map.Entry;

public class Main{
    /**//from   w w w . j a  va  2  s  . c  om
     * Launch an Activity.
     *
     * @param context              The current Context or Activity that this method is called from.
     * @param activity             The new Activity to open.
     * @param closeCurrentActivity whether or not the current activity should close.
     * @param params               Parameters to add to the intent as a Bundle.
     */
    public static void launchActivity(Activity context,
            Class<? extends Activity> activity,
            boolean closeCurrentActivity, Map<String, String> params) {
        Intent intent = new Intent(context, activity);

        if (params != null) {
            Bundle bundle = new Bundle();
            for (Entry<String, String> param : params.entrySet()) {
                bundle.putString(param.getKey(), param.getValue());
            }
            intent.putExtras(bundle);
        }

        context.startActivity(intent);
        if (closeCurrentActivity) {
            context.finish();
        }
    }
    /**
     * @see com.percolate.caffeine.ActivityUtils#launchActivity(android.app.Activity, Class, boolean, java.util.Map)
     */
    public static void launchActivity(Activity context,
            Class<? extends Activity> activity, boolean closeCurrentActivity) {
        launchActivity(context, activity,
                closeCurrentActivity, null);
    }
}

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