标签:Android

TextView不用获取焦点也能实现跑马灯

蓝飞 蓝飞 | 时间:2012-02-13, Mon | 5,212 views
编程算法 

之前在网上找了很多关于TextView的跑马灯效果实现的例子,实现起来都存在一些问题,例如一种是完全重画一个跑马灯,还有就是只设置TextView的相关属性使其具有跑马灯的效果,总的来说这两种方法都是可行的,但是都有其不足之处,第一种太复杂,实现起来比较麻烦,第二种呢,它只能在TextView获得焦点的时候才有跑马灯的效果,这样有时候并不能达到我们所要求的效果。我通过网上的一些例子自己在做了一些改动,就实现了现在不用获取焦点也能“跑”起来的效果。

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Android Intent调用大全

蓝飞 蓝飞 | 时间:2012-02-10, Fri | 4,547 views
编程算法 

搜集于网络,整理如下:

//调用浏览器
Uri uri = Uri.parse("");
Intent it  = new Intent(Intent.ACTION_VIEW,uri);
startActivity(it);

//显示某个坐标在地图上

Uri uri = Uri.parse("geo:38.899533,-77.036476");
Intent it = new Intent(Intent.Action_VIEW,uri);
startActivity(it);

//显示路径
Uri uri = Uri.parse("http://maps.google.com/maps?f=d&saddr=startLat%20startLng&daddr=endLat%20endLng&hl=en");
Intent it = new Intent(Intent.ACTION_VIEW,URI);
startActivity(it);

//拨打电话
Uri uri = Uri.parse("tel:10086");
Intent it = new Intent(Intent.ACTION_DIAL, uri);
startActivity(it);

Uri uri = Uri.parse("tel.10086");
Intent it =new Intent(Intent.ACTION_CALL,uri);
//需要添加 <uses-permission id="android.permission.CALL_PHONE" /> 这个权限到androidmanifest.xml

//发送短信或彩信
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:10086");
Intent it = new Intent(Intent.ACTION_SENDTO, uri);
it.putExtra("sms_body", "cwj");
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);

//发送邮件
Uri uri = Uri.parse("mailto:android123@163.com");
Intent it = new Intent(Intent.ACTION_SENDTO, uri);
startActivity(it);

Intent it = new Intent(Intent.ACTION_SEND);
it.putExtra(Intent.EXTRA_EMAIL, android123@163.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);
String[] tos={"me@abc.com"};
String[] ccs={"you@abc.com"};
it.putExtra(Intent.EXTRA_EMAIL, tos);
it.putExtra(Intent.EXTRA_CC, ccs);
it.putExtra(Intent.EXTRA_TEXT, "The email body text");
it.putExtra(Intent.EXTRA_SUBJECT, "The email subject text");
it.setType("message/rfc822");
startActivity(Intent.createChooser(it, "Choose Email Client"));

//播放媒体文件
Intent it = new Intent(Intent.ACTION_VIEW);
Uri uri = Uri.parse("file:///sdcard/cwj.mp3");
it.setDataAndType(uri, "audio/mp3");
startActivity(it);

Uri uri = Uri.withAppendedPath(MediaStore.Audio.Media.INTERNAL_CONTENT_URI, "1");
Intent it = new Intent(Intent.ACTION_VIEW, uri);
startActivity(it);

//卸载APK
Uri uri = Uri.fromParts("package", strPackageName, null);
Intent it = new Intent(Intent.ACTION_DELETE, uri);
startActivity(it);

//卸载apk 2
Uri uninstallUri = Uri.fromParts("package", "xxx", null);
returnIt = new Intent(Intent.ACTION_DELETE, uninstallUri);

//安装APK
Uri installUri = Uri.fromParts("package", "xxx", null);
returnIt = new Intent(Intent.ACTION_PACKAGE_ADDED, installUri);

//播放音乐
Uri playUri = Uri.parse("file:///sdcard/download/sth.mp3");
returnIt = new Intent(Intent.ACTION_VIEW, playUri);

//发送附近
Intent it = new Intent(Intent.ACTION_SEND);
it.putExtra(Intent.EXTRA_SUBJECT, "The email subject text");
it.putExtra(Intent.EXTRA_STREAM, "file:///sdcard/cwj.mp3");
sendIntent.setType("audio/mp3");
startActivity(Intent.createChooser(it, "Choose Email Client"));

//market上某个应用信,pkg_name就是应用的packageName
Uri uri = Uri.parse("market://search?q=pname:pkg_name");
Intent it = new Intent(Intent.ACTION_VIEW, uri);
startActivity(it);

//market上某个应用信息,app_id可以通过www网站看下
Uri uri = Uri.parse("market://details?id=app_id");
Intent it = new Intent(Intent.ACTION_VIEW, uri);
startActivity(it);

//调用搜索
Intent intent = new Intent();
intent.setAction(Intent.ACTION_WEB_SEARCH);
intent.putExtra(SearchManager.QUERY,"android123")
startActivity(intent);

//调用分享菜单
Intent intent=new Intent(Intent.ACTION_SEND);   
intent.setType("text/plain");  //分享的数据类型 
intent.putExtra(Intent.EXTRA_SUBJECT, "subject");  //主题 
intent.putExtra(Intent.EXTRA_TEXT,  "content");  //内容 
startActivity(Intent.createChooser(intent, "title"));  //目标应用选择对话框的标题