/**
* 安装指定路径下的Apk
* <p>根据路径名是否符合和文件是否存在判断是否安装成功
* <p>更好的做法应该是startActivityForResult回调判断是否安装成功比较妥当
* <p>这里做不了回调，后续自己做处理
*/
public static boolean installApp(Context context, String filePath) {
if (filePath != null && filePath.length() > 4
&& filePath.toLowerCase().substring(filePath.length() - 4).equals(".apk")) {
Intent intent = new Intent(Intent.ACTION_VIEW);
File file = new File(filePath);
if (file.exists() && file.isFile() && file.length() > 0) {
intent.setDataAndType(Uri.fromFile(file), "application/vnd.android.package-archive");
intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
context.startActivity(intent);
return true;
}
}
return false;
}/**
* 卸载指定包名的App
* <p>这里卸载成不成功只判断了packageName是否为空
* <p>如果要根据是否卸载成功应该用startActivityForResult回调判断是否还存在比较妥当
* <p>这里做不了回调，后续自己做处理
*/
public boolean uninstallApp(Context context, String packageName) {
if (!TextUtils.isEmpty(packageName)) {
Intent intent = new Intent(Intent.ACTION_DELETE);
intent.setData(Uri.parse("package:" + packageName));
intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
context.startActivity(intent);
return true;
}
return false;
}/**
* 封装App信息的Bean类
*/
public static class AppInfo {
private String name;
private Drawable icon;
private String packagName;
private String versionName;
private int versionCode;
private boolean isSD;
private boolean isUser;
public Drawable getIcon() {
return icon;
}
public void setIcon(Drawable icon) {
this.icon = icon;
}
public boolean isSD() {
return isSD;
}
public void setSD(boolean SD) {
isSD = SD;
}
public boolean isUser() {
return isUser;
}
public void setUser(boolean user) {
isUser = user;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getPackagName() {
return packagName;
}
public void setPackagName(String packagName) {
this.packagName = packagName;
}
public int getVersionCode() {
return versionCode;
}
public void setVersionCode(int versionCode) {
this.versionCode = versionCode;
}
public String getVersionName() {
return versionName;
}
public void setVersionName(String versionName) {
this.versionName = versionName;
}
/**
* @param name 名称
* @param icon 图标
* @param packagName 包名
* @param versionName 版本号
* @param versionCode 版本Code
* @param isSD 是否安装在SD卡
* @param isUser 是否是用户程序
*/
public AppInfo(String name, Drawable icon, String packagName,
String versionName, int versionCode, boolean isSD, boolean isUser) {
this.setName(name);
this.setIcon(icon);
this.setPackagName(packagName);
this.setVersionName(versionName);
this.setVersionCode(versionCode);
this.setSD(isSD);
this.setUser(isUser);
}
/*@Override
public String toString() {
return getName() + "\n"
+ getIcon() + "\n"
+ getPackagName() + "\n"
+ getVersionName() + "\n"
+ getVersionCode() + "\n"
+ isSD() + "\n"
+ isUser() + "\n";
}*/
}
/**
* 获取当前App信息
* <p>AppInfo（名称，图标，包名，版本号，版本Code，是否安装在SD卡，是否是用户程序）
*/
public static AppInfo getAppInfo(Context context) {
PackageManager pm = context.getPackageManager();
PackageInfo pi = null;
try {
pi = pm.getPackageInfo(context.getApplicationContext().getPackageName(), 0);
} catch (PackageManager.NameNotFoundException e) {
e.printStackTrace();
}
return pi != null ? getBean(pm, pi) : null;
}
/**
* 得到AppInfo的Bean
*/
private static AppInfo getBean(PackageManager pm, PackageInfo pi) {
ApplicationInfo ai = pi.applicationInfo;
String name = ai.loadLabel(pm).toString();
Drawable icon = ai.loadIcon(pm);
String packageName = pi.packageName;
String versionName = pi.versionName;
int versionCode = pi.versionCode;
boolean isSD = (ApplicationInfo.FLAG_SYSTEM & ai.flags) != ApplicationInfo.FLAG_SYSTEM;
boolean isUser = (ApplicationInfo.FLAG_SYSTEM & ai.flags) != ApplicationInfo.FLAG_SYSTEM;
return new AppInfo(name, icon, packageName, versionName, versionCode, isSD, isUser);
}/**
* 获取所有已安装App信息
* <p>AppInfo（名称，图标，包名，版本号，版本Code，是否安装在SD卡，是否是用户程序）
* <p>依赖上面的getBean方法
*/
public static List<AppInfo> getAllAppsInfo(Context context) {
List<AppInfo> list = new ArrayList<>();
PackageManager pm = context.getPackageManager();
// 获取系统中安装的所有软件信息
List<PackageInfo> installedPackages = pm.getInstalledPackages(0);
for (PackageInfo pi : installedPackages) {
if (pi != null) {
list.add(getBean(pm, pi));
}
}
return list;
}
/**
* 打开指定包名的App
*/
public static boolean openAppByPackageName(Context context, String packageName) {
if (!TextUtils.isEmpty(packageName)) {
PackageManager pm = context.getPackageManager();
Intent launchIntentForPackage = pm.getLaunchIntentForPackage(packageName);
if (launchIntentForPackage != null) {
context.startActivity(launchIntentForPackage);
return true;
}
}
return false;
}
/**
* 打开指定包名的App应用信息界面
*/
public static boolean openAppInfo(Context context, String packageName) {
if (!TextUtils.isEmpty(packageName)) {
Intent intent = new Intent();
intent.setAction("android.settings.APPLICATION_DETAILS_SETTINGS");
intent.setData(Uri.parse("package:" + packageName));
context.startActivity(intent);
return true;
}
return false;
}/**
* 可用来做App信息分享
*/
public static void shareAppInfo(Context context, String info) {
if (!TextUtils.isEmpty(info)) {
Intent intent = new Intent(Intent.ACTION_SEND);
intent.setType("text/plain");
intent.putExtra(Intent.EXTRA_TEXT, info);
context.startActivity(intent);
}
}/**
* 判断当前App处于前台还是后台
* <p>需添加<uses-permission android:name="android.permission.GET_TASKS"/>
* <p>并且必须是系统应用该方法才有效
*/
public static boolean isAppBackground(Context context) {
ActivityManager am = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
@SuppressWarnings("deprecation")
List<ActivityManager.RunningTaskInfo> tasks = am.getRunningTasks(1);
if (!tasks.isEmpty()) {
ComponentName topActivity = tasks.get(0).topActivity;
if (!topActivity.getPackageName().equals(context.getPackageName())) {
return true;
}
}
return false;
}