thoerup/traininfo/ShortcutActivity.java

package dk.thoerup.traininfo;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.os.Parcelable;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.TextView;
import android.widget.Toast;
import dk.thoerup.android.traininfo.common.StationEntry;
import dk.thoerup.traininfo.WelcomeScreen.ListType;

public class ShortcutActivity extends Activity {
    
    final static int SHOW_DEPARTURES = 1000;
    final static int SHOW_STATIONS = 2000;
    
    
    StationEntry station;
    Button okBtn;

    @Override
    public void onCreate(Bundle icicle) {
        super.onCreate(icicle);

        // Resolve the intent

        final Intent intent = getIntent();
        final String action = intent.getAction();

        // If the intent is a request to create a shortcut, we'll do that and exit

        if (Intent.ACTION_CREATE_SHORTCUT.equals(action)) {
                setContentView(R.layout.shortcut);
                
                Button cancelBtn = (Button) findViewById(R.id.shortcut_cancel);
                cancelBtn.setOnClickListener( new OnClickListener() {

                                @Override
                                public void onClick(View v) {
                                        ShortcutActivity.this.setResult(Activity.RESULT_CANCELED);
                                        ShortcutActivity.this.finish();
                                }                       
                });
                
                
                okBtn = (Button) findViewById(R.id.shortcut_ok);
                okBtn.setEnabled(false);
                okBtn.setOnClickListener( new OnClickListener() {
                                @Override
                                public void onClick(View v) {
                                        setupShortcut(station);
                                        finish();
                                }
                });
                Button btn = (Button)findViewById(R.id.nearest);
                btn.setOnClickListener(new StationListener(ListType.ListNearest));
                btn = (Button)findViewById(R.id.search);
                btn.setOnClickListener(new StationListener(ListType.ListSearch));
                btn = (Button)findViewById(R.id.favorites);
                btn.setOnClickListener(new StationListener(ListType.ListFavorites));
                
        } else {        
                //launched by the user clicking on the shortcut
                String stationStr = intent.getStringExtra("station");
                
                if (stationStr != null) { //haven't reproduced it, but got a stacktrace where stationStr apparently was null
                        StationEntry station = StationEntry.fromCSV(stationStr);

                        Intent launcher = new Intent( this, DepartureList.class );
                        launcher.putExtra("stationbean", station);
                        startActivityForResult(launcher, SHOW_DEPARTURES);
                } else {
                        Toast.makeText(this, "Invalid TrainInfo shortcut - please delete and re-create", Toast.LENGTH_LONG).show();
                }
        }
    }

    /**
     * This function creates a shortcut and returns it to the caller.  There are actually two 
     * intents that you will send back.
     * 
     * The first intent serves as a container for the shortcut and is returned to the launcher by 
     * setResult().  This intent must contain three fields:
     * 
     * <ul>
     * <li>{@link android.content.Intent#EXTRA_SHORTCUT_INTENT} The shortcut intent.</li>
     * <li>{@link android.content.Intent#EXTRA_SHORTCUT_NAME} The text that will be displayed with
     * the shortcut.</li>
     * <li>{@link android.content.Intent#EXTRA_SHORTCUT_ICON} The shortcut's icon, if provided as a
     * bitmap, <i>or</i> {@link android.content.Intent#EXTRA_SHORTCUT_ICON_RESOURCE} if provided as
     * a drawable resource.</li>
     * </ul>
     * 
     * If you use a simple drawable resource, note that you must wrapper it using
     * {@link android.content.Intent.ShortcutIconResource}, as shown below.  This is required so
     * that the launcher can access resources that are stored in your application's .apk file.  If 
     * you return a bitmap, such as a thumbnail, you can simply put the bitmap into the extras 
     * bundle using {@link android.content.Intent#EXTRA_SHORTCUT_ICON}.
     * 
     * The shortcut intent can be any intent that you wish the launcher to send, when the user 
     * clicks on the shortcut.  Typically this will be {@link android.content.Intent#ACTION_VIEW} 
     * with an appropriate Uri for your content, but any Intent will work here as long as it 
     * triggers the desired action within your Activity.
     */
    private void setupShortcut(StationEntry station) {
        // First, set up the shortcut intent.  
        Intent shortcutIntent = new Intent(Intent.ACTION_MAIN);
        shortcutIntent.setClassName(this, this.getClass().getName());
        shortcutIntent.putExtra("station", station.toCSV() );

        
        // Then, set up the container intent (the response to the caller)
        Intent intent = new Intent();
        intent.putExtra(Intent.EXTRA_SHORTCUT_INTENT, shortcutIntent);
        intent.putExtra(Intent.EXTRA_SHORTCUT_NAME, station.getName() );
        Parcelable iconResource = Intent.ShortcutIconResource.fromContext(this,  R.drawable.train);
        intent.putExtra(Intent.EXTRA_SHORTCUT_ICON_RESOURCE, iconResource);

        
        // Now, return the result to the launcher
        setResult(RESULT_OK, intent);
    }

        @Override
        protected void onActivityResult(int requestCode, int resultCode, Intent data) {
                super.onActivityResult(requestCode, resultCode, data);
                
                switch  (requestCode) {
                case SHOW_DEPARTURES:
                        finish();
                        break;
                        
                case SHOW_STATIONS:
                        if (data != null) {
                                station = (StationEntry) data.getSerializableExtra("station");
                                if (station != null) {
                                        okBtn.setEnabled(true);
                                        
                                        TextView tv = (TextView) findViewById(R.id.current_selection);
                                        tv.setText( station.getName() );
                                        
                                }
                        }
                        break;
                }
        }

        class StationListener implements OnClickListener{
                ListType launchType;
                StationListener(ListType type) {
                        launchType = type;
                }
                
                @Override
                public void onClick(View v) {
                        Intent intent = new Intent(ShortcutActivity.this, StationList.class);
                        intent.putExtra("type", launchType);
                        intent.putExtra("shortcut", true);
                        ShortcutActivity.this.startActivityForResult(intent, SHOW_STATIONS);
                }
                
        }
    
    
}
1	torben	731	package dk.thoerup.traininfo;
2
3			import android.app.Activity;
4			import android.content.Intent;
5			import android.os.Bundle;
6			import android.os.Parcelable;
7			import android.view.View;
8			import android.view.View.OnClickListener;
9			import android.widget.Button;
10			import android.widget.TextView;
11	torben	1151	import android.widget.Toast;
12	torben	1408	import dk.thoerup.android.traininfo.common.StationEntry;
13	torben	731	import dk.thoerup.traininfo.WelcomeScreen.ListType;
14
15			public class ShortcutActivity extends Activity {
16
17			final static int SHOW_DEPARTURES = 1000;
18			final static int SHOW_STATIONS = 2000;
19
20
21	torben	1066	StationEntry station;
22	torben	731	Button okBtn;
23
24			@Override
25			public void onCreate(Bundle icicle) {
26			super.onCreate(icicle);
27
28			// Resolve the intent
29
30			final Intent intent = getIntent();
31			final String action = intent.getAction();
32
33			// If the intent is a request to create a shortcut, we'll do that and exit
34
35			if (Intent.ACTION_CREATE_SHORTCUT.equals(action)) {
36			setContentView(R.layout.shortcut);
37
38			Button cancelBtn = (Button) findViewById(R.id.shortcut_cancel);
39			cancelBtn.setOnClickListener( new OnClickListener() {
40
41			@Override
42			public void onClick(View v) {
43			ShortcutActivity.this.setResult(Activity.RESULT_CANCELED);
44			ShortcutActivity.this.finish();
45			}
46			});
47
48
49			okBtn = (Button) findViewById(R.id.shortcut_ok);
50			okBtn.setEnabled(false);
51			okBtn.setOnClickListener( new OnClickListener() {
52			@Override
53			public void onClick(View v) {
54			setupShortcut(station);
55			finish();
56			}
57			});
58			Button btn = (Button)findViewById(R.id.nearest);
59			btn.setOnClickListener(new StationListener(ListType.ListNearest));
60			btn = (Button)findViewById(R.id.search);
61			btn.setOnClickListener(new StationListener(ListType.ListSearch));
62			btn = (Button)findViewById(R.id.favorites);
63			btn.setOnClickListener(new StationListener(ListType.ListFavorites));
64
65			} else {
66			//launched by the user clicking on the shortcut
67			String stationStr = intent.getStringExtra("station");
68	torben	1151
69			if (stationStr != null) { //haven't reproduced it, but got a stacktrace where stationStr apparently was null
70			StationEntry station = StationEntry.fromCSV(stationStr);
71	torben	731
72	torben	1151	Intent launcher = new Intent( this, DepartureList.class );
73			launcher.putExtra("stationbean", station);
74			startActivityForResult(launcher, SHOW_DEPARTURES);
75			} else {
76			Toast.makeText(this, "Invalid TrainInfo shortcut - please delete and re-create", Toast.LENGTH_LONG).show();
77			}
78	torben	731	}
79			}
80
81			/**
82			* This function creates a shortcut and returns it to the caller. There are actually two
83			* intents that you will send back.
84			*
85			* The first intent serves as a container for the shortcut and is returned to the launcher by
86			* setResult(). This intent must contain three fields:
87			*
88			* <ul>
89			* <li>{@link android.content.Intent#EXTRA_SHORTCUT_INTENT} The shortcut intent.</li>
90			* <li>{@link android.content.Intent#EXTRA_SHORTCUT_NAME} The text that will be displayed with
91			* the shortcut.</li>
92			* <li>{@link android.content.Intent#EXTRA_SHORTCUT_ICON} The shortcut's icon, if provided as a
93			* bitmap, <i>or</i> {@link android.content.Intent#EXTRA_SHORTCUT_ICON_RESOURCE} if provided as
94			* a drawable resource.</li>
95			* </ul>
96			*
97			* If you use a simple drawable resource, note that you must wrapper it using
98			* {@link android.content.Intent.ShortcutIconResource}, as shown below. This is required so
99			* that the launcher can access resources that are stored in your application's .apk file. If
100			* you return a bitmap, such as a thumbnail, you can simply put the bitmap into the extras
101			* bundle using {@link android.content.Intent#EXTRA_SHORTCUT_ICON}.
102			*
103			* The shortcut intent can be any intent that you wish the launcher to send, when the user
104			* clicks on the shortcut. Typically this will be {@link android.content.Intent#ACTION_VIEW}
105			* with an appropriate Uri for your content, but any Intent will work here as long as it
106			* triggers the desired action within your Activity.
107			*/
108	torben	1066	private void setupShortcut(StationEntry station) {
109	torben	731	// First, set up the shortcut intent.
110			Intent shortcutIntent = new Intent(Intent.ACTION_MAIN);
111			shortcutIntent.setClassName(this, this.getClass().getName());
112			shortcutIntent.putExtra("station", station.toCSV() );
113
114
115			// Then, set up the container intent (the response to the caller)
116			Intent intent = new Intent();
117			intent.putExtra(Intent.EXTRA_SHORTCUT_INTENT, shortcutIntent);
118			intent.putExtra(Intent.EXTRA_SHORTCUT_NAME, station.getName() );
119			Parcelable iconResource = Intent.ShortcutIconResource.fromContext(this, R.drawable.train);
120			intent.putExtra(Intent.EXTRA_SHORTCUT_ICON_RESOURCE, iconResource);
121
122
123			// Now, return the result to the launcher
124			setResult(RESULT_OK, intent);
125			}
126
127			@Override
128			protected void onActivityResult(int requestCode, int resultCode, Intent data) {
129			super.onActivityResult(requestCode, resultCode, data);
130
131			switch (requestCode) {
132			case SHOW_DEPARTURES:
133			finish();
134			break;
135
136			case SHOW_STATIONS:
137			if (data != null) {
138	torben	1066	station = (StationEntry) data.getSerializableExtra("station");
139	torben	731	if (station != null) {
140			okBtn.setEnabled(true);
141
142			TextView tv = (TextView) findViewById(R.id.current_selection);
143			tv.setText( station.getName() );
144
145			}
146			}
147			break;
148			}
149			}
150
151			class StationListener implements OnClickListener{
152			ListType launchType;
153			StationListener(ListType type) {
154			launchType = type;
155			}
156
157			@Override
158			public void onClick(View v) {
159			Intent intent = new Intent(ShortcutActivity.this, StationList.class);
160			intent.putExtra("type", launchType);
161			intent.putExtra("shortcut", true);
162			ShortcutActivity.this.startActivityForResult(intent, SHOW_STATIONS);
163			}
164
165			}
166
167
168			}