微信微博分享功能

默认分享（微信、新浪微博、腾讯微博、网易微博、人人网）

import java.util.ArrayList;import java.util.List;import android.R;import android.app.Activity;import android.app.Dialog;import android.content.ComponentName;import android.content.Intent;import android.content.pm.PackageManager;import android.content.pm.ResolveInfo;import android.graphics.drawable.Drawable;import android.os.Bundle;import android.text.Html;import android.view.View;import android.view.ViewGroup;import android.widget.AdapterView;import android.widget.AdapterView.OnItemClickListener;import android.widget.BaseAdapter;import android.widget.ImageView;import android.widget.ListView;import android.widget.TextView;import android.widget.Toast;public class ShareActivity extends Activity {private Dialog mDialog;private ListView mList;private ShareAdapter mAdapter = new ShareAdapter();private String[] packages = { "com.tencent.mm", "com.sina.weibo","com.tencent.WBlog", "com.netease.wb", "com.renren.mobile.android" };private String[] actions = { "com.tencent.mm.ui.tools.ShareImgUI","com.sina.weibo.EditActivity","com.tencent.WBlog.intentproxy.TencentWeiboIntent","com.netease.wb.activity.SendBlogActivity","com.renren.mobile.android.publisher.InputPublisherActivity" };@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);getShareApp();}public void onRightFunO(View view) {if (mAdapter.getCount() > 1) {showDialog();} else {share(null);}}private void share(AppInfo app) {try {Intent intent = new Intent();if (app != null && app.pkg != null) {ComponentName comp = new ComponentName(app.pkg, app.action);intent.setComponent(comp);}intent.setAction(Intent.ACTION_SEND);intent.setType("text/plain");intent.putExtra(Intent.EXTRA_SUBJECT, "分享");intent.putExtra(Intent.EXTRA_TEXT, "快讯详情");intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);startActivity(intent);} catch (Exception e) {Toast.makeText(this, "没有可执行的应用", Toast.LENGTH_LONG).show();}}private void getShareApp() {Intent intent = new Intent(Intent.ACTION_SEND, null);intent.addCategory(Intent.CATEGORY_DEFAULT);intent.setType("text/plain");PackageManager packageManager = this.getPackageManager();List<ResolveInfo> mApps = packageManager.queryIntentActivities(intent,PackageManager.COMPONENT_ENABLED_STATE_DEFAULT);int count = packages.length;List<AppInfo> data = new ArrayList<ShareActivity.AppInfo>();for (ResolveInfo resolveInfo : mApps) {for (int i = 0; i < count; i++) {if (resolveInfo.activityInfo.packageName.equalsIgnoreCase(packages[i])) {AppInfo app = new AppInfo();app.label = resolveInfo.loadLabel(packageManager).toString();app.pkg = packages[i];app.action = actions[i];app.icon = resolveInfo.loadIcon(packageManager);data.add(app);}}}AppInfo app = new AppInfo();app.label = "更多";app.icon = getResources().getDrawable(R.drawable.ic_more);data.add(app);mAdapter.setData(data);}private void showDialog() {if (mDialog == null) {mDialog = new Dialog(this, R.style.dialog);View contentView = inflater.inflate(R.layout.filter_dropdown, null);mList = (ListView) contentView.findViewById(R.id.filter_list);mList.setItemsCanFocus(false);mList.setChoiceMode(ListView.CHOICE_MODE_SINGLE);TextView mTitleBarLabel = (TextView) contentView.findViewById(R.id.title_bar_label);mTitleBarLabel.setText("分享");mDialog.setContentView(contentView);mList.setAdapter(mAdapter);}mList.setOnItemClickListener(new OnItemClickListener() {@Overridepublic void onItemClick(AdapterView<?> parent, View view,int position, long id) {mDialog.dismiss();share((AppInfo) parent.getAdapter().getItem(position));}});mDialog.show();}private class AppInfo {public String label;private String pkg;public String action;public Drawable icon;}private class ShareAdapter extends BaseAdapter {private List<AppInfo> apps = new ArrayList<ShareActivity.AppInfo>();public void setData(final List<ShareActivity.AppInfo> app) {this.apps = app;notifyDataSetChanged();}@Overridepublic int getCount() {return apps.size();}@Overridepublic Object getItem(int position) {return apps.get(position);}@Overridepublic long getItemId(int position) {return 0;}@Overridepublic View getView(int position, View convertView, ViewGroup parent) {if (convertView == null) {convertView = inflater.inflate(R.layout.menu_item, null);}AppInfo app = apps.get(position);ImageView img = (ImageView) convertView.findViewById(R.id.image1);img.setImageDrawable(app.icon);TextView text1 = (TextView) convertView.findViewById(R.id.text1);text1.setText(app.label);return convertView;}}}