Source code
package android.support.v4.os;
import android.os.Build.VERSION;
import android.os.Environment;
import android.util.Log;
import java.io.File;
import java.io.IOException;
public class EnvironmentCompat {
public static final String MEDIA_UNKNOWN = "unknown";
private static final String TAG = "EnvironmentCompat";
public static String getStorageState(File path) {
if (VERSION.SDK_INT >= 19) {
return EnvironmentCompatKitKat.getStorageState(path);
}
try {
if (path.getCanonicalPath().startsWith(Environment.getExternalStorageDirectory().getCanonicalPath())) {
return Environment.getExternalStorageState();
}
} catch (IOException e) {
Log.w(TAG, "Failed to resolve canonical path: " + e);
}
return MEDIA_UNKNOWN;
}
}