Example usage for android.content Context getPackageManager

Introduction

In this page you can find the example usage for android.content Context getPackageManager.

Prototype

public abstract PackageManager getPackageManager();

Source Link

Document

Return PackageManager instance to find global package information.

Usage

From source file:Main.java

public static String getVersionName(Context context) {
    try {// www .j a v  a2  s. com
        PackageManager packageManager = context.getPackageManager();
        return packageManager.getPackageInfo(context.getPackageName(), 0).versionName;
    } catch (Throwable error) {
        error.printStackTrace();
        return "";
    }
}

From source file:Main.java

public static boolean isDebuggable(Context context) {
    PackageManager pacMan = context.getPackageManager();
    String pacName = context.getPackageName();
    ApplicationInfo appInfo = null;//from   w w w.  ja  va2  s.  c  o m
    try {
        appInfo = pacMan.getApplicationInfo(pacName, 0);
    } catch (NameNotFoundException e) {
        e.printStackTrace();
    }

    if (appInfo != null) {
        if ((appInfo.flags & ApplicationInfo.FLAG_DEBUGGABLE) != 0) {
            return true;
        } else {
            return false;
        }
    } else {
        return false;
    }

}

From source file:Main.java

public static boolean isWeiboInstalled(Context context) {
    final PackageManager packageManager = context.getPackageManager();
    List<PackageInfo> infos = packageManager.getInstalledPackages(0);
    if (infos != null) {
        for (PackageInfo info : infos) {
            if (TextUtils.equals(info.packageName, "com.sina.weibo")) {
                return true;
            }/*from   w ww. j  a  va 2 s . c  o  m*/
        }
    }
    return false;
}

From source file:Main.java

public static boolean isQqInstalled(Context context) {
    final PackageManager packageManager = context.getPackageManager();
    List<PackageInfo> infos = packageManager.getInstalledPackages(0);
    if (infos != null) {
        for (PackageInfo info : infos) {
            if (TextUtils.equals(info.packageName, "com.tencent.mobileqq")) {
                return true;
            }//from  ww  w.j a  v a2s.  c om
        }
    }
    return false;
}

From source file:Main.java

public static boolean isWechatInstalled(Context context) {
    final PackageManager packageManager = context.getPackageManager();
    List<PackageInfo> infos = packageManager.getInstalledPackages(0);
    if (infos != null) {
        for (PackageInfo info : infos) {
            if (TextUtils.equals(info.packageName, "com.tencent.mm")) {
                return true;
            }//  w  ww  .j a  v  a 2s.  co  m
        }
    }
    return false;
}

From source file:Main.java

/**
 * Check if a certain application is installed on a device.
 *
 * @param context the applications context.
 * @param packageName the package name that you want to check.
 *
 * @return true if the application is installed, false otherwise.
 *//*from  ww w.  j a v  a2 s.c o m*/
public static boolean isApplicationInstalled(Context context, String packageName) {
    PackageManager pm = context.getPackageManager();
    try {
        // Check if the package name exists, if exception is thrown, package name does not exist.
        pm.getPackageInfo(packageName, PackageManager.GET_ACTIVITIES);
        return true;
    } catch (PackageManager.NameNotFoundException e) {
        return false;
    }
}

From source file:Main.java

public static int getVersionCode(Context context) {
    try {//from  w  w w  . j av  a  2  s  . c  o m
        PackageManager packageManager = context.getPackageManager();
        PackageInfo packInfo = packageManager.getPackageInfo(context.getPackageName(), 0);
        return packInfo.versionCode;
    } catch (Exception e) {
        e.printStackTrace();
    }
    return 13;
}

From source file:Main.java

private static boolean isAppInstalled(Context context, String uri) {
    try {/*  w w  w. j  a va  2  s .com*/
        PackageManager pm = context.getPackageManager();
        pm.getPackageInfo(uri, PackageManager.GET_ACTIVITIES);
        return true;
    } catch (PackageManager.NameNotFoundException e) {
        return false;
    }
}

From source file:Main.java

public static String getAppInfoName(Context context) {

    try {/*from w w  w  .j  a va  2 s . c om*/
        PackageManager pm = context.getPackageManager();
        PackageInfo packageinfo = pm.getPackageInfo(context.getPackageName(), 0);
        String versionname = packageinfo.versionName;
        return versionname;

    } catch (NameNotFoundException e) {
        e.printStackTrace();
    }
    return "";

}

From source file:Main.java

/**
 * get UnInstallApkPackageName// w w w.j  a  va  2  s  .co  m
 *
 * @param context Context
 * @param apkPath apkPath
 * @return apk PackageName
 */
public static String getUnInstallApkPackageName(Context context, String apkPath) {
    PackageManager pm = context.getPackageManager();
    PackageInfo info = pm.getPackageArchiveInfo(apkPath, PackageManager.GET_ACTIVITIES);
    if (info != null) {
        ApplicationInfo appInfo = info.applicationInfo;
        if (appInfo != null) {
            return appInfo.packageName;
        }
    }
    return null;
}