android之获取手机安装包里面的信息、获取目录空间的大小
16lz
2021-01-23
public class RuanjianmanagerInfo extends Object { private Drawable icon;//图标 private String name;//标题 private String packname; private boolean inRom;//是否在内部存储中 private boolean userApp;//是否是系统应用 public Drawable getIcon() { return icon; } public String getName() { return name; } public String getPackname() { return packname; } public boolean isInRom() { return inRom; } public boolean isUserApp() { return userApp; } public void setIcon(Drawable icon) { this.icon = icon; } public void setName(String name) { this.name = name; } public void setPackname(String packname) { this.packname = packname; } public void setInRom(boolean inRom) { this.inRom = inRom; } public void setUserApp(boolean userApp) { this.userApp = userApp; }}
* 获取某个目录的可用空间 * * */ private long getAvailabelSpace(String path) { StatFs statf = new StatFs(path); statf.getBlockCount();//获取分区的个数 long size = statf.getBlockSize();//获取分区的大小 long count = statf.getAvailableBlocks();//获取可用分区的个数 return size * count; }
/** * Created by wofu on 2018/4/25. * 业务方法,提供手机里面所有安装信息 */public class RuanjianManagerInfoProvide { private static List ruanjianmanagerInfos; public static List getInfos(Context context){ PackageManager pm=context.getPackageManager();List packageInfos=pm.getInstalledPackages(0); ruanjianmanagerInfos = new ArrayList();for(PackageInfo packinfo:packageInfos){ //packinfo相当于一个apk包的清单文件 String packname=packinfo.packageName;// 获取包名 Drawable ico=packinfo.applicationInfo.loadIcon(pm);//获取icon String name=packinfo.applicationInfo.loadLabel(pm).toString();//app名//判断应用的来源和安装位置 int flags=packinfo.applicationInfo.flags;//应用程序信息标记 if((flags&ApplicationInfo.FLAG_SYSTEM)==0){//用户程序 }else {//系统程序 } if((flags&ApplicationInfo.FLAG_EXTERNAL_STORAGE)==0){//手机内存 }else {//手机外存储设备 } RuanjianmanagerInfo info=new RuanjianmanagerInfo(); info.setPackname(packname); info.setIcon(ico); info.setName(name); ruanjianmanagerInfos.add(info);}return ruanjianmanagerInfos; }}
更多相关文章
- Android 2.1读取手机通讯录
- Android 获取手机Mac地址,手机名称
- 手机相册的基本使用
- QQ空间手机版的十件不为人知的事
- Android手机蓝牙与单片机蓝牙串通信开发经验总结
- Android核心分析 之三:手机之硬件形态
- Google手机OS大战:Android挟免费开源优势被看好
- 保持Android手机屏幕长亮的方法
- 手机淘宝Android客户端架构