让自己的Android应用支持appwidget

核心提示：import android.os.Bundle;import android.view.View;import android.view.View.OnLongClickListener;/*** 添加appwidget* @author chroya**/public class Main extends Acti

import android.os.Bundle;

import android.view.View;

import android.view.View.OnLongClickListener;

/**

* 添加appwidget

* @author chroya

*

*/

public class Main extends Activity {

private AppWidgetHost mAppWidgetHost;

private AppWidgetManager mAppWidgetManager;

private WidgetLayout layout;

private static final int REQUEST_PICK_APPWIDGET = 1;

private static final int REQUEST_CREATE_APPWIDGET = 2;

private static final int APPWIDGET_HOST_ID = 0x100;

private static final String EXTRA_CUSTOM_WIDGET = "custom_widget";

@Override

public void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

mAppWidgetManager = AppWidgetManager.getInstance(getApplicationContext());

mAppWidgetHost = new AppWidgetHost(getApplicationContext(), APPWIDGET_HOST_ID);

//开始监听widget的变化

mAppWidgetHost.startListening();

layout = new WidgetLayout(this);

layout.setOnLongClickListener(new OnLongClickListener() {

@Override

public boolean onLongClick(View v) {

addWidget();

return false;

}

});

setContentView(layout);

}

@Override

protected void onActivityResult(int requestCode, int resultCode, Intent data) {

if (resultCode == RESULT_OK) {

switch (requestCode) {

case REQUEST_PICK_APPWIDGET:

addAppWidget(data);

break;

case REQUEST_CREATE_APPWIDGET:

completeAddAppWidget(data);

break;

}

} else if (requestCode == REQUEST_PICK_APPWIDGET &&

resultCode == RESULT_CANCELED && data != null) {

// Clean up the appWidgetId if we canceled

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