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The Android Open Source Project
2009-03-11 12:11:54 -07:00
parent 692ab02175
commit 243d18eb22
42 changed files with 954 additions and 671 deletions
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58
samples/ApiDemos/src/com/example/android/apis/gadget/ExampleGadgetConfigure.java → samples/ApiDemos/src/com/example/android/apis/appwidget/ExampleAppWidgetConfigure.java
View File

@@ -14,13 +14,13 @@
* limitations under the License.
*/
package com.example.android.apis.gadget;
package com.example.android.apis.appwidget;
import android.app.Activity;
import android.appwidget.AppWidgetManager;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.gadget.GadgetManager;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
@@ -33,19 +33,19 @@ import java.util.ArrayList;
import com.example.android.apis.R;
/**
* The configuration screen for the ExampleGadgetProvider gadget sample.
* The configuration screen for the ExampleAppWidgetProvider widget sample.
*/
public class ExampleGadgetConfigure extends Activity {
static final String TAG = "ExampleGadgetConfigure";
public class ExampleAppWidgetConfigure extends Activity {
static final String TAG = "ExampleAppWidgetConfigure";
private static final String PREFS_NAME
= "com.example.android.apis.gadget.ExampleGadgetProvider";
= "com.example.android.apis.appwidget.ExampleAppWidgetProvider";
private static final String PREF_PREFIX_KEY = "prefix_";
int mGadgetId = GadgetManager.INVALID_GADGET_ID;
EditText mGadgetPrefix;
int mAppWidgetId = AppWidgetManager.INVALID_APPWIDGET_ID;
EditText mAppWidgetPrefix;
public ExampleGadgetConfigure() {
public ExampleAppWidgetConfigure() {
super();
}
@@ -53,70 +53,70 @@ public class ExampleGadgetConfigure extends Activity {
public void onCreate(Bundle icicle) {
super.onCreate(icicle);
// Set the result to CANCELED. This will cause the gadget host to cancel
// out of the gadget placement if they press the back button.
// Set the result to CANCELED. This will cause the widget host to cancel
// out of the widget placement if they press the back button.
setResult(RESULT_CANCELED);
// Set the view layout resource to use.
setContentView(R.layout.gadget_configure);
setContentView(R.layout.appwidget_configure);
// Find the EditText
mGadgetPrefix = (EditText)findViewById(R.id.gadget_prefix);
mAppWidgetPrefix = (EditText)findViewById(R.id.appwidget_prefix);
// Bind the action for the save button.
findViewById(R.id.save_button).setOnClickListener(mOnClickListener);
// Find the gadget id from the intent.
// Find the widget id from the intent.
Intent intent = getIntent();
Bundle extras = intent.getExtras();
if (extras != null) {
mGadgetId = extras.getInt(
GadgetManager.EXTRA_GADGET_ID, GadgetManager.INVALID_GADGET_ID);
mAppWidgetId = extras.getInt(
AppWidgetManager.EXTRA_APPWIDGET_ID, AppWidgetManager.INVALID_APPWIDGET_ID);
}
// If they gave us an intent without the gadget id, just bail.
if (mGadgetId == GadgetManager.INVALID_GADGET_ID) {
// If they gave us an intent without the widget id, just bail.
if (mAppWidgetId == AppWidgetManager.INVALID_APPWIDGET_ID) {
finish();
}
mGadgetPrefix.setText(loadTitlePref(ExampleGadgetConfigure.this, mGadgetId));
mAppWidgetPrefix.setText(loadTitlePref(ExampleAppWidgetConfigure.this, mAppWidgetId));
}
View.OnClickListener mOnClickListener = new View.OnClickListener() {
public void onClick(View v) {
// When the button is clicked, save the string in our prefs and return that they
// clicked OK.
saveTitlePref(ExampleGadgetConfigure.this, mGadgetId,
mGadgetPrefix.getText().toString());
saveTitlePref(ExampleAppWidgetConfigure.this, mAppWidgetId,
mAppWidgetPrefix.getText().toString());
setResult(RESULT_OK);
finish();
}
};
// Write the prefix to the SharedPreferences object for this gadget
static void saveTitlePref(Context context, int gadgetId, String text) {
// Write the prefix to the SharedPreferences object for this widget
static void saveTitlePref(Context context, int appWidgetId, String text) {
SharedPreferences.Editor prefs = context.getSharedPreferences(PREFS_NAME, 0).edit();
prefs.putString(PREF_PREFIX_KEY + gadgetId, text);
prefs.putString(PREF_PREFIX_KEY + appWidgetId, text);
prefs.commit();
}
// Read the prefix from the SharedPreferences object for this gadget.
// Read the prefix from the SharedPreferences object for this widget.
// If there is no preference saved, get the default from a resource
static String loadTitlePref(Context context, int gadgetId) {
static String loadTitlePref(Context context, int appWidgetId) {
SharedPreferences prefs = context.getSharedPreferences(PREFS_NAME, 0);
String prefix = prefs.getString(PREF_PREFIX_KEY, null);
if (prefix != null) {
return prefix;
} else {
return context.getString(R.string.gadget_prefix_default);
return context.getString(R.string.appwidget_prefix_default);
}
}
static void deleteTitlePref(Context context, int gadgetId) {
static void deleteTitlePref(Context context, int appWidgetId) {
}
static void loadAllTitlePrefs(Context context, ArrayList<Integer> gadgetIds,
static void loadAllTitlePrefs(Context context, ArrayList<Integer> appWidgetIds,
ArrayList<String> texts) {
}
}

76
samples/ApiDemos/src/com/example/android/apis/gadget/ExampleGadgetProvider.java → samples/ApiDemos/src/com/example/android/apis/appwidget/ExampleAppWidgetProvider.java
View File

@@ -14,14 +14,14 @@
* limitations under the License.
*/
package com.example.android.apis.gadget;
package com.example.android.apis.appwidget;
import android.appwidget.AppWidgetManager;
import android.appwidget.AppWidgetProvider;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.gadget.GadgetManager;
import android.gadget.GadgetProvider;
import android.os.SystemClock;
import android.util.Log;
import android.widget.RemoteViews;
@@ -33,89 +33,89 @@ import java.util.ArrayList;
import com.example.android.apis.R;
/**
* A gadget provider. We have a string that we pull from a preference in order to show
* the configuration settings and the current time when the gadget was updated. We also
* A widget provider. We have a string that we pull from a preference in order to show
* the configuration settings and the current time when the widget was updated. We also
* register a BroadcastReceiver for time-changed and timezone-changed broadcasts, and
* update then too.
*
* <p>See also the following files:
* <ul>
* <li>ExampleGadgetConfigure.java</li>
* <li>ExampleAppWidgetConfigure.java</li>
* <li>ExampleBroadcastReceiver.java</li>
* <li>res/layout/gadget_configure.xml</li>
* <li>res/layout/gadget_provider.xml</li>
* <li>res/xml/gadget_provider.xml</li>
* <li>res/layout/appwidget_configure.xml</li>
* <li>res/layout/appwidget_provider.xml</li>
* <li>res/xml/appwidget_provider.xml</li>
* </ul>
*/
public class ExampleGadgetProvider extends GadgetProvider {
public class ExampleAppWidgetProvider extends AppWidgetProvider {
// log tag
private static final String TAG = "ExampleGadgetProvider";
private static final String TAG = "ExampleAppWidgetProvider";
public void onUpdate(Context context, GadgetManager gadgetManager, int[] gadgetIds) {
public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {
Log.d(TAG, "onUpdate");
// For each gadget that needs an update, get the text that we should display:
// For each widget that needs an update, get the text that we should display:
// - Create a RemoteViews object for it
// - Set the text in the RemoteViews object
// - Tell the GadgetManager to show that views object for the gadget.
final int N = gadgetIds.length;
// - Tell the AppWidgetManager to show that views object for the widget.
final int N = appWidgetIds.length;
for (int i=0; i<N; i++) {
int gadgetId = gadgetIds[i];
String titlePrefix = ExampleGadgetConfigure.loadTitlePref(context, gadgetId);
updateGadget(context, gadgetManager, gadgetId, titlePrefix);
int appWidgetId = appWidgetIds[i];
String titlePrefix = ExampleAppWidgetConfigure.loadTitlePref(context, appWidgetId);
updateAppWidget(context, appWidgetManager, appWidgetId, titlePrefix);
}
}
public void onDeleted(Context context, int[] gadgetIds) {
public void onDeleted(Context context, int[] appWidgetIds) {
Log.d(TAG, "onDeleted");
// When the user deletes the gadget, delete the preference associated with it.
final int N = gadgetIds.length;
// When the user deletes the widget, delete the preference associated with it.
final int N = appWidgetIds.length;
for (int i=0; i<N; i++) {
ExampleGadgetConfigure.deleteTitlePref(context, gadgetIds[i]);
ExampleAppWidgetConfigure.deleteTitlePref(context, appWidgetIds[i]);
}
}
public void onEnabled(Context context) {
Log.d(TAG, "onEnabled");
// When the first gadget is created, register for the TIMEZONE_CHANGED and TIME_CHANGED
// broadcasts. We don't want to be listening for these if nobody has our gadget active.
// When the first widget is created, register for the TIMEZONE_CHANGED and TIME_CHANGED
// broadcasts. We don't want to be listening for these if nobody has our widget active.
// This setting is sticky across reboots, but that doesn't matter, because this will
// be called after boot if there is a gadget instance for this provider.
// be called after boot if there is a widget instance for this provider.
PackageManager pm = context.getPackageManager();
pm.setComponentEnabledSetting(
new ComponentName("com.example.android.apis", ".gadget.ExampleBroadcastReceiver"),
new ComponentName("com.example.android.apis", ".appwidget.ExampleBroadcastReceiver"),
PackageManager.COMPONENT_ENABLED_STATE_ENABLED,
PackageManager.DONT_KILL_APP);
}
public void onDisabled(Context context) {
// When the first gadget is created, stop listening for the TIMEZONE_CHANGED and
// When the first widget is created, stop listening for the TIMEZONE_CHANGED and
// TIME_CHANGED broadcasts.
Log.d(TAG, "onDisabled");
Class clazz = ExampleBroadcastReceiver.class;
PackageManager pm = context.getPackageManager();
pm.setComponentEnabledSetting(
new ComponentName("com.example.android.apis", ".gadget.ExampleBroadcastReceiver"),
new ComponentName("com.example.android.apis", ".appwidget.ExampleBroadcastReceiver"),
PackageManager.COMPONENT_ENABLED_STATE_ENABLED,
PackageManager.DONT_KILL_APP);
}
static void updateGadget(Context context, GadgetManager gadgetManager,
int gadgetId, String titlePrefix) {
Log.d(TAG, "updateGadget gadgetId=" + gadgetId + " titlePrefix=" + titlePrefix);
static void updateAppWidget(Context context, AppWidgetManager appWidgetManager,
int appWidgetId, String titlePrefix) {
Log.d(TAG, "updateAppWidget appWidgetId=" + appWidgetId + " titlePrefix=" + titlePrefix);
// Getting the string this way allows the string to be localized. The format
// string is filled in using java.util.Formatter-style format strings.
CharSequence text = context.getString(R.string.gadget_text_format,
ExampleGadgetConfigure.loadTitlePref(context, gadgetId),
CharSequence text = context.getString(R.string.appwidget_text_format,
ExampleAppWidgetConfigure.loadTitlePref(context, appWidgetId),
"0x" + Long.toHexString(SystemClock.elapsedRealtime()));
// Construct the RemoteViews object. It takes the package name (in our case, it's our
// package, but it needs this because on the other side it's the gadget host inflating
// package, but it needs this because on the other side it's the widget host inflating
// the layout from our package).
RemoteViews views = new RemoteViews(context.getPackageName(), R.layout.gadget_provider);
views.setTextViewText(R.id.gadget_text, text);
RemoteViews views = new RemoteViews(context.getPackageName(), R.layout.appwidget_provider);
views.setTextViewText(R.id.appwidget_text, text);
// Tell the gadget manager
gadgetManager.updateGadget(gadgetId, views);
// Tell the widget manager
appWidgetManager.updateAppWidget(appWidgetId, views);
}
}

22
samples/ApiDemos/src/com/example/android/apis/gadget/ExampleBroadcastReceiver.java → samples/ApiDemos/src/com/example/android/apis/appwidget/ExampleBroadcastReceiver.java
View File

@@ -14,14 +14,14 @@
* limitations under the License.
*/
package com.example.android.apis.gadget;
package com.example.android.apis.appwidget;
import android.appwidget.AppWidgetManager;
import android.appwidget.AppWidgetProvider;
import android.content.BroadcastReceiver;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.gadget.GadgetManager;
import android.gadget.GadgetProvider;
import android.os.SystemClock;
import android.util.Log;
import android.widget.RemoteViews;
@@ -33,8 +33,8 @@ import java.util.ArrayList;
import com.example.android.apis.R;
/**
* A BroadcastReceiver that listens for updates for the ExampleGadgetProvider. This
* BroadcastReceiver starts off disabled, and we only enable it when there is a gadget
* A BroadcastReceiver that listens for updates for the ExampleAppWidgetProvider. This
* BroadcastReceiver starts off disabled, and we only enable it when there is a widget
* instance created, in order to only receive notifications when we need them.
*/
public class ExampleBroadcastReceiver extends BroadcastReceiver {
@@ -42,20 +42,20 @@ public class ExampleBroadcastReceiver extends BroadcastReceiver {
public void onReceive(Context context, Intent intent) {
Log.d("ExmampleBroadcastReceiver", "intent=" + intent);
// For our example, we'll also update all of the gadgets when the timezone
// For our example, we'll also update all of the widgets when the timezone
// changes, or the user or network sets the time.
String action = intent.getAction();
if (action.equals(Intent.ACTION_TIMEZONE_CHANGED)
|| action.equals(Intent.ACTION_TIME_CHANGED)) {
GadgetManager gm = GadgetManager.getInstance(context);
ArrayList<Integer> gadgetIds = new ArrayList();
AppWidgetManager gm = AppWidgetManager.getInstance(context);
ArrayList<Integer> appWidgetIds = new ArrayList();
ArrayList<String> texts = new ArrayList();
ExampleGadgetConfigure.loadAllTitlePrefs(context, gadgetIds, texts);
ExampleAppWidgetConfigure.loadAllTitlePrefs(context, appWidgetIds, texts);
final int N = gadgetIds.size();
final int N = appWidgetIds.size();
for (int i=0; i<N; i++) {
ExampleGadgetProvider.updateGadget(context, gm, gadgetIds.get(i), texts.get(i));
ExampleAppWidgetProvider.updateAppWidget(context, gm, appWidgetIds.get(i), texts.get(i));
}
}
}