Example usage for android.content.pm PackageManager getApplicationInfo

Introduction

In this page you can find the example usage for android.content.pm PackageManager getApplicationInfo.

Prototype

public abstract ApplicationInfo getApplicationInfo(String packageName, @ApplicationInfoFlags int flags)
        throws NameNotFoundException;

Source Link

Document

Retrieve all of the information we know about a particular package/application.

Usage

From source file:Main.java

public static int packageNameToResId(PackageManager packageManager, String packageName) {
    try {/*from   w  w  w.  j  a v a2s  . c o  m*/
        ApplicationInfo applicationInfo = packageManager.getApplicationInfo(packageName,
                PackageManager.GET_META_DATA);
        return applicationInfo.icon;
    } catch (PackageManager.NameNotFoundException e) {
        e.printStackTrace();
        return -1;
    }
}

From source file:Main.java

public static String getApplicationName(Context ctx) {
    ApplicationInfo ai;//from ww  w .  j  ava  2s  . c o  m
    try {
        Context appContext = ctx.getApplicationContext();
        assert appContext != null;
        final PackageManager pm = appContext.getPackageManager();
        assert pm != null;
        ai = pm.getApplicationInfo(ctx.getPackageName(), 0);
        return (String) (ai != null ? pm.getApplicationLabel(ai) : "(unknown)");
    } catch (Exception ignored) {
    }
    return null;
}

From source file:Main.java

public static String getAppName(Context context) {
    String appName = null;//from w w w  . j  ava2 s .  c o m
    try {
        PackageManager packageManager = context.getPackageManager();
        ApplicationInfo applicationInfo = packageManager.getApplicationInfo(context.getPackageName(), 0);
        appName = packageManager.getApplicationLabel(applicationInfo).toString();
        Log.i("liweiping", "appName = " + appName);
    } catch (NameNotFoundException e) {
        e.printStackTrace();
    }
    return appName;
}

From source file:Main.java

public static String getAppNameFromPkg(Context context, String pkg) {
    final PackageManager pm = context.getPackageManager();
    ApplicationInfo ai;//from w w  w .j a  v  a2  s.c  om
    try {
        ai = pm.getApplicationInfo(pkg, 0);
    } catch (final PackageManager.NameNotFoundException e) {
        ai = null;
    }
    String applicationName = (String) (ai != null ? pm.getApplicationLabel(ai) : pkg);
    return applicationName;
}

From source file:Main.java

/***
 * get application name from package name
 * @param context/*from   w  w  w.j  av a 2s. co m*/
 * @param packageName
 * @return
 */
public static String getApplicationName(Context context, String packageName) {
    PackageManager pm = context.getPackageManager();
    ApplicationInfo ai;
    try {
        ai = pm.getApplicationInfo(packageName, 0);
    } catch (final NameNotFoundException e) {
        ai = null;
    }
    String applicationName = (String) (ai != null ? pm.getApplicationLabel(ai) : "(unknown)");
    return applicationName;
}

From source file:Main.java

public static boolean isThemeAppEnabled(Context context) {
    PackageManager pm = context.getPackageManager();
    try {//from   w ww .  j  av  a2s.  c om
        ApplicationInfo info = pm.getApplicationInfo(THEME_APP_PACKAGE_NAME, 0);
        return info.enabled;
    } catch (PackageManager.NameNotFoundException e) {
        Log.w(TAG, "isThemeAppEnabled E=" + e);
        return false;
    }
}

From source file:Main.java

@TargetApi(Build.VERSION_CODES.KITKAT)
public static boolean havePermission(Context context) {
    try {//from w  w  w.  j a  v  a  2s .co  m
        PackageManager packageManager = context.getPackageManager();
        ApplicationInfo applicationInfo = packageManager.getApplicationInfo(context.getPackageName(), 0);
        AppOpsManager appOpsManager = (AppOpsManager) context.getSystemService(Context.APP_OPS_SERVICE);
        int mode = appOpsManager.checkOpNoThrow(AppOpsManager.OPSTR_GET_USAGE_STATS, applicationInfo.uid,
                applicationInfo.packageName);
        return (mode == AppOpsManager.MODE_ALLOWED);
    } catch (PackageManager.NameNotFoundException e) {
        return false;
    }
}

From source file:Main.java

public static boolean isAppUsageEnabled(Context context) {
    if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
        return true;
    }/*from   w ww. j av  a 2s.c om*/
    try {
        PackageManager packageManager = context.getPackageManager();
        ApplicationInfo applicationInfo = packageManager.getApplicationInfo(context.getPackageName(), 0);
        AppOpsManager appOpsManager = (AppOpsManager) context.getSystemService(Context.APP_OPS_SERVICE);
        int mode = appOpsManager.checkOpNoThrow(AppOpsManager.OPSTR_GET_USAGE_STATS, applicationInfo.uid,
                applicationInfo.packageName);
        return (mode == AppOpsManager.MODE_ALLOWED);
    } catch (PackageManager.NameNotFoundException e) {
        return false;
    }
}

From source file:Main.java

public static boolean isSystemApp(Context context, String packageName) {
    boolean isSys = false;
    PackageManager pm = context.getPackageManager();
    try {//from w  w  w. j a va 2 s .  co m
        ApplicationInfo applicationInfo = pm.getApplicationInfo(packageName, 0);
        if (applicationInfo != null && (applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) > 0) {
            isSys = true;
        }
    } catch (PackageManager.NameNotFoundException e) {
        e.printStackTrace();
        isSys = false;
    }
    return isSys;
}

From source file:Main.java

/**
 * Get give package apk file size./* www .j  a v  a2 s  .  c om*/
 * 
 * @param context Object of {@link Context}.
 * @param pkg Package name.
 * @return Apk file size by bytes.
 */
public final static long getAppSize(Context context, String pkg) {
    if (null == context || null == pkg) {
        return 0;
    }

    PackageManager pm = context.getPackageManager();
    try {
        ApplicationInfo info = pm.getApplicationInfo(pkg, 0);
        File file = new File(info.sourceDir);
        return file.length();

    } catch (Exception e) {
        e.printStackTrace();
        return 0;
    }
}