android开发软件工具类，获取软件的各种属性

来源：互联网发布：真心和知真的意思编辑：程序博客网时间：2024/06/04 18:11
package com.jmheart.tools;import java.io.File;import com.jmheart.R;import android.app.Activity;import android.app.ActivityManager;import android.app.ActivityManager.RunningTaskInfo;import android.content.ComponentName;import android.content.Context;import android.content.Intent;import android.content.Intent.ShortcutIconResource;import android.content.pm.PackageInfo;import android.content.pm.PackageManager;import android.content.pm.PackageManager.NameNotFoundException;import android.net.Uri;/** * 软件工具类，获取软件的各种属性 * @author liujie */public class AppUtils {private Context context;public AppUtils(Context context) {this.context = context;}/** * 获取当前应用程序的版本号 * @return */public String getVersionName() {try {PackageManager packageManager = context.getPackageManager();PackageInfo packInfo = packageManager.getPackageInfo(context.getPackageName(), 0);String version = packInfo.versionName;return version;} catch (NameNotFoundException e) {e.printStackTrace();}return null;}/** * 获取当前正在运行的Activity * @return * <uses-permission android:name="android.permission.GET_TASKS"/> */public String getActivityName() {ActivityManager manager = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);RunningTaskInfo info = manager.getRunningTasks(1).get(0);String shortClassName = info.topActivity.getShortClassName();System.out.println("shortClassName=" + shortClassName);return shortClassName;}/** * 安装指定文件路径的apk文件 * @param path */public void installApk(String path) {Intent intent = new Intent(Intent.ACTION_VIEW);intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);intent.setDataAndType(Uri.fromFile(new File(path)),"application/vnd.android.package-archive");context.startActivity(intent); // 安装新版本}/** * 安装指定文件路径的apk文件 * @param path */public void installApk(File path) {Intent intent = new Intent(Intent.ACTION_VIEW);intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);intent.setDataAndType(Uri.fromFile(path),"application/vnd.android.package-archive");context.startActivity(intent); // 安装新版本}/** * 创建桌面快捷方式 * @param resId  应用图标 * <uses-permission android:name="com.android.launcher.permission.INSTALL_SHORTCUT" /> */public void createShortcut(int resId) {Intent shortcut = new Intent("com.android.launcher.action.INSTALL_SHORTCUT");shortcut.putExtra(Intent.EXTRA_SHORTCUT_NAME,context.getString(R.string.app_name));shortcut.putExtra("duplicate", false);ComponentName comp = new ComponentName(context.getPackageName(), "."+ ((Activity) context).getLocalClassName());shortcut.putExtra(Intent.EXTRA_SHORTCUT_INTENT, new Intent(Intent.ACTION_MAIN).setComponent(comp));ShortcutIconResource iconRes = Intent.ShortcutIconResource.fromContext(context, resId);shortcut.putExtra(Intent.EXTRA_SHORTCUT_ICON_RESOURCE, iconRes);context.sendBroadcast(shortcut);}}
0 0