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 getAppVersion(Context context) {
    PackageManager packageManager = context.getPackageManager();
    PackageInfo packageInfo;/*  w w  w  . ja  va  2 s.c  o  m*/
    try {
        packageInfo = packageManager.getPackageInfo(context.getPackageName(), 0);
        return packageInfo.versionName;
    } catch (PackageManager.NameNotFoundException e) {
        e.printStackTrace();
    }
    return null;
}

From source file:Main.java

public static int getVersionNumber(Context context) {
    try {//from  w w w  . j a va2s . com
        PackageInfo info = context.getPackageManager().getPackageInfo(context.getPackageName(), 0);
        return info.versionCode;
    } catch (NameNotFoundException e) {
        e.printStackTrace();
    }
    return 1;
}

From source file:Main.java

public static boolean isCameraFrontEnable(Context context) {
    PackageManager pm = (PackageManager) context.getPackageManager();
    FeatureInfo[] features = pm.getSystemAvailableFeatures();
    for (FeatureInfo f : features) {
        if (PackageManager.FEATURE_CAMERA_FRONT.equals(f.name)) {
            return true;
        }/*from  w w w .  j  a  v a 2s .  com*/
    }
    return false;
}

From source file:Main.java

public static int getAppVersion(Context context) {
    try {//from w ww.j  av  a 2  s.c o m
        PackageInfo pi = context.getPackageManager().getPackageInfo(context.getPackageName(), 0);
        return (pi.versionCode);
    } catch (NameNotFoundException e) {
        Log.i(TAG, "Package name not found");
    }
    return (0);
}

From source file:Main.java

public static void startActivity(Context context, String packageName) {
    Intent intent = context.getPackageManager().getLaunchIntentForPackage(packageName);

    if (intent != null) {
        context.startActivity(intent);/* w  w  w .j a  v a2s.  c o  m*/
    }
}

From source file:Main.java

public static ApplicationInfo getApplicationInfo(Context context, String pkg) {
    try {//  w w w .j a  v  a 2 s. c o m
        return context.getPackageManager().getApplicationInfo(pkg, 0);
    } catch (PackageManager.NameNotFoundException e) {
        e.printStackTrace();
    }
    return null;
}

From source file:Main.java

public static void turnOnFlash(Context context, Camera camera, int currentCameraId) {
    if (context.getPackageManager().hasSystemFeature(PackageManager.FEATURE_CAMERA_FLASH)) {
        Parameters params = camera.getParameters();
        params.setFlashMode(Parameters.FLASH_MODE_TORCH);
        camera.setParameters(params);/* w  ww. j av a  2s . com*/
    }
}

From source file:Main.java

public static boolean isCameraFlashEnable(Context context) {
    PackageManager pm = (PackageManager) context.getPackageManager();
    FeatureInfo[] features = pm.getSystemAvailableFeatures();
    for (FeatureInfo f : features) {
        if (PackageManager.FEATURE_CAMERA_FLASH.equals(f.name)) {
            return true;
        }//from   w w w  . j  ava  2  s .  c om
    }
    return false;
}

From source file:Main.java

public static boolean isIntentAvailable(Context context, Intent intent) {
    List<ResolveInfo> activities = context.getPackageManager().queryIntentActivities(intent, 0);
    return activities != null && activities.size() == 1;
}

From source file:Main.java

public static PackageInfo getApkInfo(Context context, String archiveFilePath) {
    PackageManager pm = context.getPackageManager();
    PackageInfo apkInfo = pm.getPackageArchiveInfo(archiveFilePath, 128);
    return apkInfo;
}