转自:http://rayleung.iteye.com/blog/434005
Intent应该算是Android中特有的东西。你可以在Intent中指定程序要执行的动作(比如:view,edit,dial),以及程序执行到 该动作时所需要的资料。都指定好后,只要调用startActivity(),Android系统会自动寻找最符合你指定要求的应用程序,并执行该程序。
下面列出几种Intent的用法
显示网页:
- Uri uri = Uri.parse( "<a href=" http: //www.google.com" target="_blank" rel="external">http://www.google.com</a>");
- Intent it = new Intent(Intent.ACTION_VIEW,uri);
- startActivity(it);
- Uri uri = Uri.parse("<a href="http://www.google.com" target="_blank" rel="external">http://www.google.com</a>");
- Intent it = new Intent(Intent.ACTION_VIEW,uri);
- startActivity(it);
显示地图:
- Uri uri = Uri.parse( "geo:38.899533,-77.036476" );
- Intent it = new Intent(Intent.Action_VIEW,uri);
- startActivity(it);
- Uri uri = Uri.parse("geo:38.899533,-77.036476");
- Intent it = new Intent(Intent.Action_VIEW,uri);
- startActivity(it);
路径规划:
- Uri uri = Uri.parse( "<a href=" http: //maps.google.com/maps?f=d" target="_blank" rel="external">http://maps.google.com/maps?f=d</a>&saddr=startLat%20startLng&daddr=endLat%20endLng&hl=en");
- Intent it = new Intent(Intent.ACTION_VIEW,URI);
- startActivity(it);
- Uri
- uri = Uri.parse("<a href="http://maps.google.com/maps?f=d"
- target="_blank"
- rel="external">http://maps.google.com/maps?f=d</a>&saddr=startLat%20startLng&daddr=endLat%20endLng&hl=en");
- Intent
- it = new Intent(Intent.ACTION_VIEW,URI);
- startActivity(it);
拨打电话:
调用拨号程序
- Uri uri = Uri.parse( "tel:xxxxxx" );
- Intent it = new Intent(Intent.ACTION_DIAL, uri);
- startActivity(it);
- Uri uri = Uri.parse("tel:xxxxxx");
- Intent it = new Intent(Intent.ACTION_DIAL, uri);
- startActivity(it);
- Uri uri = Uri.parse( "tel.xxxxxx" );
- Intent it =new Intent(Intent.ACTION_CALL,uri);
- 要使用这个必须在配置文件中加入<uses-permission id="android.permission.CALL_PHONE" />
- Uri uri = Uri.parse("tel.xxxxxx");
- Intent it =new Intent(Intent.ACTION_CALL,uri);
- 要使用这个必须在配置文件中加入<uses-permission id="android.permission.CALL_PHONE" />
发送SMS/MMS
调用发送短信的程序
- Intent it = new Intent(Intent.ACTION_VIEW);
- it.putExtra("sms_body" , "The SMS text" );
- it.setType("vnd.android-dir/mms-sms" );
- startActivity(it);
- Intent it = new Intent(Intent.ACTION_VIEW);
- it.putExtra("sms_body", "The SMS text");
- it.setType("vnd.android-dir/mms-sms");
- startActivity(it);
发送短信
- Uri uri = Uri.parse( "smsto:0800000123" );
- Intent it = new Intent(Intent.ACTION_SENDTO, uri);
- it.putExtra("sms_body" , "The SMS text" );
- startActivity(it);
- Uri uri = Uri.parse("smsto:0800000123");
- Intent it = new Intent(Intent.ACTION_SENDTO, uri);
- it.putExtra("sms_body", "The SMS text");
- startActivity(it);
发送彩信
- Uri uri = Uri.parse( "content://media/external/images/media/23" );
- Intent it = new Intent(Intent.ACTION_SEND);
- it.putExtra("sms_body" , "some text" );
- it.putExtra(Intent.EXTRA_STREAM, uri);
- it.setType("image/png" );
- startActivity(it);
- Uri uri = Uri.parse("content://media/external/images/media/23");
- Intent it = new Intent(Intent.ACTION_SEND);
- it.putExtra("sms_body", "some text");
- it.putExtra(Intent.EXTRA_STREAM, uri);
- it.setType("image/png");
- startActivity(it);
发送Email
- Uri uri = Uri.parse( "mailto:xxx@abc.com" );
- Intent it = new Intent(Intent.ACTION_SENDTO, uri);
- startActivity(it);
- Uri uri = Uri.parse("mailto:xxx@abc.com");
- Intent it = new Intent(Intent.ACTION_SENDTO, uri);
- startActivity(it);
- Intent it = new Intent(Intent.ACTION_SEND);
- it.putExtra(Intent.EXTRA_EMAIL, "me@abc.com" );
- it.putExtra(Intent.EXTRA_TEXT, "The email body text" );
- it.setType("text/plain" );
- startActivity(Intent.createChooser(it, "Choose Email Client" ));
- Intent it = new Intent(Intent.ACTION_SEND);
- it.putExtra(Intent.EXTRA_EMAIL, "me@abc.com");
- it.putExtra(Intent.EXTRA_TEXT, "The email body text");
- it.setType("text/plain"