用intent调用第三方Twitter客户端

share2twitter

	public void send() {
		// 第三方应用列表
		String[] twitterApps = { "com.twitter.android", "com.twidroid", "com.handmark.tweetcaster", "com.thedeck.android", "org.mariotaku.twidere" };
		List<Intent> targetList = new ArrayList<Intent>();
		Intent canSendIntent = new Intent(Intent.ACTION_SEND);
		canSendIntent.setType("image/*");
		List<ResolveInfo> resolveList = context.getPackageManager().queryIntentActivities(canSendIntent, PackageManager.MATCH_DEFAULT_ONLY);
		if (!resolveList.isEmpty()) {
			for (ResolveInfo resolveInfo : resolveList) {
				String packageName = resolveInfo.activityInfo.packageName;
				// System.out.println(packageName);
				for (String appName : twitterApps) {
					if (appName.equals(packageName)) {
						Intent target = new Intent(Intent.ACTION_SEND);
						target.setType("image/*");
						target.putExtra(Intent.EXTRA_TEXT, str);
						target.putExtra(Intent.EXTRA_STREAM, Uri.fromFile(new File(imgPath)));
						target.setPackage(packageName);
						targetList.add(target);
					}
				}
			}
			if (targetList.size() > 0) {
				Intent intentChooser = Intent.createChooser(targetList.remove(0), context.getString(R.string.select_app_to_share));
				intentChooser.putExtra(Intent.EXTRA_INITIAL_INTENTS, targetList.toArray(new Parcelable[] {}));
				intentChooser.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
				// 用第三方应用分享
				context.startActivity(intentChooser);
				return;
			}
		}
		// 用自带分享
		sendByREST();
		return;
	}