PackageUtils (xutil-sub 1.1.6 API)

java.lang.Object
- com.xuexiang.xutil.app.PackageUtils

```
public final class PackageUtils
extends java.lang.Object
```
PackageUtils
- installNormal(Context, String)
- installAppSilent(Context, String)
- install(Context, String)
- uninstallNormal(Context, String)
- uninstallSilent(Context, String)
- uninstall(Context, String)
- isSystemApplication(Context)
- isSystemApplication(Context, String)
- isSystemApplication(PackageManager, String)
- getInstallLocation() get system install location
- startInstalledAppDetails(Context, String) start InstalledAppDetails Activity
```
     desc   :
     author : xuexiang
     time   : 2018/4/28 上午12:32
 
```

Field Summary

Fields
Modifier and Type	Field and Description
`static int`	`DELETE_FAILED_DEVICE_POLICY_MANAGER` Uninstall return code uninstall fail if the system failed to delete the package because it is the active DevicePolicy manager.
`static int`	`DELETE_FAILED_INTERNAL_ERROR` Uninstall return code uninstall fail if the system failed to delete the package for an unspecified reason.
`static int`	`DELETE_FAILED_INVALID_PACKAGE` Uninstall return code uninstall fail if pcakge name is invalid
`static int`	`DELETE_FAILED_PERMISSION_DENIED` Uninstall return code uninstall fail if permission denied
`static int`	`DELETE_SUCCEEDED` Uninstall return code uninstall success.
`static int`	`REQUEST_CODE_INSTALL_APP` apk安装的请求码

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method and Description
`static boolean`	`checkAPP(android.content.Context context, java.lang.String packageName)` 检查某个应用是否安装
`static int`	`getAppVersionCode(android.content.Context context)` get app version code
`static android.content.Intent`	`getInstallAppIntent(android.content.Context context, java.io.File appFile)` 获取安装apk的意图
`static boolean`	`install(android.content.Context context, java.io.File apkFile)` apk安装
`static boolean`	`install(android.content.Context context, java.lang.String filePath)` apk安装
`static void`	`installApk(android.content.Context context, java.lang.String filePath)` 使用系统安装apk
`static boolean`	`installAppSilent(android.content.Context context, java.lang.String filePath)` 静默安装 App
`static boolean`	`isSystemApplication(android.content.Context context)` whether context is system application
`static boolean`	`isSystemApplication(android.content.Context context, java.lang.String packageName)` whether packageName is system application
`static boolean`	`isSystemApplication(android.content.pm.PackageManager packageManager, java.lang.String packageName)` whether packageName is system application
`static void`	`openApp(android.content.Context context)` 打开指定的应用
`static void`	`openApp(android.content.Context context, android.content.pm.ApplicationInfo appInfo)` 打开指定的应用
`static boolean`	`openApp(android.content.Context context, java.lang.String packageName)` 打开指定的应用
`static void`	`startInstalledAppDetails(android.content.Context context, java.lang.String packageName)` start InstalledAppDetails Activity
`static boolean`	`switchApp(android.content.Context context, java.lang.String packageName)` 切换app，如果app已打开就直接切换回去，不重新打开
`static int`	`uninstall(android.content.Context context, java.lang.String packageName)` uninstall according conditions if system application or rooted, see `uninstallSilent(Context, String)` else see `uninstallNormal(Context, String)`
`static boolean`	`uninstallNormal(android.content.Context context, java.lang.String packageName)` uninstall package normal by system intent
`static int`	`uninstallSilent(android.content.Context context, java.lang.String packageName)` uninstall package and clear data of app silent by root
`static int`	`uninstallSilent(android.content.Context context, java.lang.String packageName, boolean isKeepData)` uninstall package silent by root Attentions: Don't call this on the ui thread, it may costs some times. You should add android.permission.DELETE_PACKAGES in manifest, so no need to request root permission, if you are system app.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - REQUEST_CODE_INSTALL_APP
```
public static final int REQUEST_CODE_INSTALL_APP
```
    apk安装的请求码
    
    See Also:
    
    Constant Field Values
  - DELETE_SUCCEEDED
```
public static final int DELETE_SUCCEEDED
```
    Uninstall return code
    uninstall success.
    
    See Also:
    
    Constant Field Values
  - DELETE_FAILED_INTERNAL_ERROR
```
public static final int DELETE_FAILED_INTERNAL_ERROR
```
    Uninstall return code
    uninstall fail if the system failed to delete the package for an unspecified reason.
    
    See Also:
    
    Constant Field Values
  - DELETE_FAILED_DEVICE_POLICY_MANAGER
```
public static final int DELETE_FAILED_DEVICE_POLICY_MANAGER
```
    Uninstall return code
    uninstall fail if the system failed to delete the package because it is the active DevicePolicy manager.
    
    See Also:
    
    Constant Field Values
  - DELETE_FAILED_INVALID_PACKAGE
```
public static final int DELETE_FAILED_INVALID_PACKAGE
```
    Uninstall return code
    uninstall fail if pcakge name is invalid
    
    See Also:
    
    Constant Field Values
  - DELETE_FAILED_PERMISSION_DENIED
```
public static final int DELETE_FAILED_PERMISSION_DENIED
```
    Uninstall return code
    uninstall fail if permission denied
    
    See Also:
    
    Constant Field Values
- Method Detail
  - install
```
public static boolean install(android.content.Context context,
                              java.io.File apkFile)
                       throws java.io.IOException
```
    apk安装
    
    Parameters:
    
    context -
    
    apkFile - apk文件
    
    Returns:
    
    Throws:
    
    java.io.IOException
  - install
```
public static boolean install(android.content.Context context,
                              java.lang.String filePath)
```
    apk安装
    
    Parameters:
    
    context -
    
    filePath - apk文件的路径
    
    Returns:
  - installAppSilent
```
public static boolean installAppSilent(android.content.Context context,
                                       java.lang.String filePath)
```
    静默安装 App
    非 root 需添加权限 <uses-permission android:name="android.permission.INSTALL_PACKAGES" />
    
    Parameters:
    
    filePath - 文件路径
    
    Returns:
    
    true: 安装成功
    false: 安装失败
  - getInstallAppIntent
```
public static android.content.Intent getInstallAppIntent(android.content.Context context,
                                                         java.io.File appFile)
```
    获取安装apk的意图
    
    Parameters:
    
    context -
    
    appFile -
    
    Returns:
  - uninstall
```
public static int uninstall(android.content.Context context,
                            java.lang.String packageName)
```
    uninstall according conditions
    - if system application or rooted, see uninstallSilent(Context, String)
    - else see uninstallNormal(Context, String)
    Parameters:
    
    context -
    
    packageName - package name of app
    
    Returns:
  - uninstallNormal
```
public static boolean uninstallNormal(android.content.Context context,
                                      java.lang.String packageName)
```
    uninstall package normal by system intent
    
    Parameters:
    
    context -
    
    packageName - package name of app
    
    Returns:
    
    whether package name is empty
  - uninstallSilent
```
public static int uninstallSilent(android.content.Context context,
                                  java.lang.String packageName)
```
    uninstall package and clear data of app silent by root
    
    Parameters:
    
    context -
    
    packageName - package name of app
    
    Returns:
    
    See Also:
    
    uninstallSilent(Context, String, boolean)
  - uninstallSilent
```
public static int uninstallSilent(android.content.Context context,
                                  java.lang.String packageName,
                                  boolean isKeepData)
```
    uninstall package silent by root
    - Don't call this on the ui thread, it may costs some times.
    - You should add android.permission.DELETE_PACKAGES in manifest, so no need to request root permission, if you are system app.
    Parameters:
    
    context - file path of package
    
    packageName - package name of app
    
    isKeepData - whether keep the data and cache directories around after package removal
    
    Returns:
    DELETE_SUCCEEDED means uninstall success
    
    DELETE_FAILED_INTERNAL_ERROR means internal error
    
    DELETE_FAILED_INVALID_PACKAGE means package name error
    
    DELETE_FAILED_PERMISSION_DENIED means permission denied
  - isSystemApplication
```
public static boolean isSystemApplication(android.content.Context context)
```
    whether context is system application
    
    Parameters:
    
    context -
    
    Returns:
  - isSystemApplication
```
public static boolean isSystemApplication(android.content.Context context,
                                          java.lang.String packageName)
```
    whether packageName is system application
    
    Parameters:
    
    context -
    
    packageName -
    
    Returns:
  - isSystemApplication
```
public static boolean isSystemApplication(android.content.pm.PackageManager packageManager,
                                          java.lang.String packageName)
```
    whether packageName is system application
    Parameters:
    
    packageManager -
    
    packageName -
    
    Returns:
    if packageManager is null, return false
    
    if package name is null or is empty, return false
    
    if package name not exit, return false
    
    if package name exit, but not system app, return false
    
    else return true
  - getAppVersionCode
```
public static int getAppVersionCode(android.content.Context context)
```
    get app version code
    
    Parameters:
    
    context -
    
    Returns:
  - startInstalledAppDetails
```
public static void startInstalledAppDetails(android.content.Context context,
                                            java.lang.String packageName)
```
    start InstalledAppDetails Activity
    
    Parameters:
    
    context -
    
    packageName -
    
    Since:
    
    android.provider.Settings#ACTION_APPLICATION_DETAILS_SETTINGS requires API level 9 (current min is 8):
  - checkAPP
```
public static boolean checkAPP(android.content.Context context,
                               java.lang.String packageName)
```
    检查某个应用是否安装
    
    Parameters:
    
    context -
    
    packageName - 包名
    
    Returns:
  - installApk
```
public static void installApk(android.content.Context context,
                              java.lang.String filePath)
```
    使用系统安装apk
    
    Parameters:
    
    filePath -
  - openApp
```
public static void openApp(android.content.Context context)
```
    打开指定的应用
    
    Parameters:
    
    context -
  - openApp
```
public static void openApp(android.content.Context context,
                           android.content.pm.ApplicationInfo appInfo)
```
    打开指定的应用
    
    Parameters:
    
    context -
    
    appInfo -
  - openApp
```
public static boolean openApp(android.content.Context context,
                              java.lang.String packageName)
```
    打开指定的应用
    
    Parameters:
    
    context -
    
    packageName -
  - switchApp
```
public static boolean switchApp(android.content.Context context,
                                java.lang.String packageName)
```
    切换app，如果app已打开就直接切换回去，不重新打开
    
    Parameters:
    
    context -
    
    packageName -
    
    Returns:

Class PackageUtils

Field Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

REQUEST_CODE_INSTALL_APP

DELETE_SUCCEEDED

DELETE_FAILED_INTERNAL_ERROR

DELETE_FAILED_DEVICE_POLICY_MANAGER

DELETE_FAILED_INVALID_PACKAGE

DELETE_FAILED_PERMISSION_DENIED

Method Detail

install

install

installAppSilent

getInstallAppIntent

uninstall

uninstallNormal

uninstallSilent

uninstallSilent

isSystemApplication

isSystemApplication

isSystemApplication

getAppVersionCode

startInstalledAppDetails

checkAPP

installApk

openApp

openApp

openApp

switchApp