让自己的Android应用支持appwidget

核心提示：// Clean up the appWidgetId if we canceledint appWidgetId = data.getIntExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, -1);if (appWidgetId != -1) {mAppWidgetHost.del

// Clean up the appWidgetId if we canceled

int appWidgetId = data.getIntExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, -1);

if (appWidgetId != -1) {

mAppWidgetHost.deleteAppWidgetId(appWidgetId);

}

}

}

/**

* 选中了某个widget之后，根据是否有配置来决定直接添加还是弹出配置activity

* @param data

*/

private void addAppWidget(Intent data) {

int appWidgetId = data.getIntExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, -1);

String customWidget = data.getStringExtra(EXTRA_CUSTOM_WIDGET);

d("addAppWidget", "data:"+ customWidget);

if ("search_widget".equals(customWidget)) {

//这里直接将search_widget删掉了

mAppWidgetHost.deleteAppWidgetId(appWidgetId);

} else {

AppWidgetProviderInfo appWidget = mAppWidgetManager.getAppWidgetInfo(appWidgetId);

d("addAppWidget", "configure:"+ appWidget.configure);

if (appWidget.configure != null) {

//有配置，弹出配置

Intent intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_CONFIGURE);

intent.setComponent(appWidget.configure);

intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, appWidgetId);

startActivityForResult(intent, REQUEST_CREATE_APPWIDGET);

} else {

//没有配置，直接添加

onActivityResult(REQUEST_CREATE_APPWIDGET, Activity.RESULT_OK, data);

}

}

}

/**

* 请求添加一个新的widget

*/

private void addWidget() {

int appWidgetId = mAppWidgetHost.allocateAppWidgetId();

Intent pickIntent = new Intent(AppWidgetManager.ACTION_APPWIDGET_PICK);

pickIntent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, appWidgetId);

// add the search widget

ArrayList customInfo =

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