打电话
Code:
Uri uri =Uri.parse("tel:15800001234");
Intentintent = new Intent(Intent.ACTION_CALL, uri);
startActivity(intent);
权限:
<uses-permissionandroid:name="android.permission.CALL_PHONE" />
发短信
Code:
<span style="white-space:pre"> </span>Uriuri = Uri.parse("smsto:15800001234");
<span style="white-space:pre"> </span>Intentintent = new Intent(Intent.ACTION_SENDTO, uri);
<span style="white-space:pre"> </span>intent.putExtra("sms_body","android...");
<span style="white-space:pre"> </span>startActivity(intent);
权限:
<uses-permissionandroid:name="android.permission.SEND_SMS"/>
安装APK
<span style="white-space:pre"> </span>FileapkFile = new File("mnt/sdcard/tts_3.1_market.apk");
<span style="white-space:pre"> </span>Intentintent = new Intent();
<span style="white-space:pre"> </span>intent.setAction(Intent.ACTION_VIEW);<span style="white-space:pre"> </span>
<span style="white-space:pre"> </span>intent.setDataAndType(Uri.fromFile(apkFile),"application/vnd.android.package-archive");
<span style="white-space:pre"> </span>startActivity(intent);
文件浏览
FiledirFile = new File("指定的目录");
File[] files =dirFile.listFiles();
系统音乐播放器
<span style="white-space:pre"> </span>Intent intent = newIntent();
<span style="white-space:pre"> </span>Uri uri =Uri.parse(url);
<span style="white-space:pre"> </span>intent.setDataAndType(uri,"audio/*");
<span style="white-space:pre"> </span>intent.setAction(Intent.ACTION_VIEW);
<span style="white-space:pre"> </span>startActivity(intent);