隐式意图的主要代码的实现

Intent intent = new Intent();
intent.setAction(Intent.ACTION_DIAL);
intent.setData(Uri.parse("tel:18068200668"));
startActivity(intent);

Intent intent = new Intent();
intent.setAction(Intent.ACTION_SEND);
intent.putExtra(Intent.EXTRA_TEXT,"文字分享");
intent.setType("text/plain");
startActivity(Intent.createChooser(intent,"选择分享应用"));

Intent intent = new Intent();
intent.setAction(Intent.ACTION_VIEW);
intent.setData(Uri.parse("http://www.baidu.com"));
startActivity(intent);